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Sexual Precocity in a 16-Month-Old
* X; p. G4 S  b. \- K6 SBoy Induced by Indirect Topical5 r; m" V/ D0 w5 c; h  X) A4 P6 |
Exposure to Testosterone! a$ _/ y4 Z" {' W0 S8 l) L3 ~
Samar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2
+ Z) i5 ^# _0 f! i( a" Band Kenneth R. Rettig, MD1
  l! U2 l, F/ m4 Q) k: C1 c) @Clinical Pediatrics
4 b( {: }) I$ P( j: q: C5 rVolume 46 Number 6
. i" J/ }8 O4 Q+ B# n% ~# R, ZJuly 2007 540-543& W/ b" i# A; t: c2 v, G5 a% Y
© 2007 Sage Publications1 V; B% X7 B( m9 d. r9 [
10.1177/0009922806296651
6 `& a: C0 @( Z: j6 L$ lhttp://clp.sagepub.com
' Z, A  ^" H3 j( W6 _: C# s# zhosted at, \% R' o0 J3 q! M7 z8 P' L
http://online.sagepub.com
' i- H$ l9 g7 w( RPrecocious puberty in boys, central or peripheral,
, _+ k$ _8 T4 J# F+ |! \8 ais a significant concern for physicians. Central
/ V/ Z: h3 D" }. T3 b8 Pprecocious puberty (CPP), which is mediated) F8 c& G; S; }0 O6 W$ \
through the hypothalamic pituitary gonadal axis, has& `+ I4 G) H6 f9 N5 X3 A3 B
a higher incidence of organic central nervous system- F$ G- x& \5 I; R5 i( e' `; ~
lesions in boys.1,2 Virilization in boys, as manifested
9 u, s& V5 T% H, s& I, q7 R$ Zby enlargement of the penis, development of pubic& F8 x" I6 a' F" L% W
hair, and facial acne without enlargement of testi-
# |4 J0 W* x& ?; ^* dcles, suggests peripheral or pseudopuberty.1-3 We8 d0 e' P& {  m# A, W5 z: \; V" a0 v
report a 16-month-old boy who presented with the
5 W6 c% }3 f! B* y/ b7 Cenlargement of the phallus and pubic hair develop-1 s  i4 }. s6 r% F0 J9 S
ment without testicular enlargement, which was due, m( P9 I0 \; ~& _4 ?+ ~, e
to the unintentional exposure to androgen gel used by
8 s) {; o' P, @! ^the father. The family initially concealed this infor-
' i* o" [, W  X" x3 ymation, resulting in an extensive work-up for this9 M- O4 A. l* a1 ~2 h0 _
child. Given the widespread and easy availability of
0 T% S% s  W3 _. N. b5 \testosterone gel and cream, we believe this is proba-3 V% N2 G# a0 P) s: V
bly more common than the rare case report in the
8 @7 U. c2 I* _1 A, `: I3 U& \& xliterature.41 c, m: _" D; f. w
Patient Report9 F2 |7 ]3 X( m0 `
A 16-month-old white child was referred to the
+ O* P. d$ l# A: i! _$ {" U- Oendocrine clinic by his pediatrician with the concern9 B) p/ |+ F" ~
of early sexual development. His mother noticed! P' Z3 z2 D1 k* m
light colored pubic hair development when he was
9 U% m& ?( x( w( o: PFrom the 1Division of Pediatric Endocrinology, 2University of
% d+ k, h, ]9 K% N5 q; USouth Alabama Medical Center, Mobile, Alabama.% v7 a- n; \) \- t
Address correspondence to: Samar K. Bhowmick, MD, FACE,* ?5 Z3 j! ^5 S% u
Professor of Pediatrics, University of South Alabama, College of
5 B2 m; c; E% [7 P, JMedicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;
9 D8 @5 k$ I! a1 f( Le-mail: [email protected].
$ k- X7 A4 a: ]about 6 to 7 months old, which progressively became  i, C) M, R/ c% N6 C
darker. She was also concerned about the enlarge-
8 L: E* X* k) ^# Sment of his penis and frequent erections. The child; [- z3 v) g6 Q2 J: [( \' i% x
was the product of a full-term normal delivery, with
4 |  \  F4 E( E4 V9 }a birth weight of 7 lb 14 oz, and birth length of
% X; r( E4 H! R20 inches. He was breast-fed throughout the first year7 q- {. T0 v) n0 M7 N) S
of life and was still receiving breast milk along with
0 p& K- P- ~% f& U+ N. esolid food. He had no hospitalizations or surgery,
5 C4 m" R3 V) R5 c$ ]" `. ?and his psychosocial and psychomotor development% P& n- `, {& k- Q1 o; @3 A
was age appropriate.+ l" Y% l. L1 C# R8 _; g. P' `
The family history was remarkable for the father,; [/ M8 d8 H" v5 X
who was diagnosed with hypothyroidism at age 16,
/ f+ a& D3 u8 N: G: h" y: [$ j  Jwhich was treated with thyroxine. The father’s* }' O+ u3 |. B9 ]( W
height was 6 feet, and he went through a somewhat
" U: w" ]* ^, G' _2 @early puberty and had stopped growing by age 14.
% @  H6 D: y3 [7 ]The father denied taking any other medication. The: Z) w5 z0 e% U" G3 O
child’s mother was in good health. Her menarche% ?1 B5 F) M2 U; n) }1 T' `
was at 11 years of age, and her height was at 5 feet
! Q- ~; t) d- i7 v9 j: |! p5 inches. There was no other family history of pre-
# R! q2 `5 X% J+ _% pcocious sexual development in the first-degree rela-8 v: B3 i. T6 u5 z2 h7 ?8 `4 j
tives. There were no siblings.( ^) R5 ^" s2 v8 m) H6 u9 X
Physical Examination* O/ Q4 o) l# u
The physical examination revealed a very active,
+ `8 w* _: h. {8 [playful, and healthy boy. The vital signs documented3 q' y3 V, e* N9 G. `6 G; n/ H
a blood pressure of 85/50 mm Hg, his length was
( S+ @2 R0 b6 [5 P90 cm (>97th percentile), and his weight was 14.4 kg
" @9 c6 g7 }+ U. J(also >97th percentile). The observed yearly growth
- f% X& o+ |7 }# N; g( svelocity was 30 cm (12 inches). The examination of1 A" n( b/ }, g" q
the neck revealed no thyroid enlargement., f  M; b' a1 r& i- r! I
The genitourinary examination was remarkable for
# m& @1 S9 L' q( G7 P8 r5 zenlargement of the penis, with a stretched length of* {; |& W" W% ?4 b7 i1 c
8 cm and a width of 2 cm. The glans penis was very well# k1 {9 _+ W9 \' f% M" K5 q
developed. The pubic hair was Tanner II, mostly around
2 B0 F: ?) m2 o- g3 Q' B8 f! ?8 k540
6 W5 Z( G; O: {8 n: w3 x7 F% z/ `at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from$ U9 d8 ]; a0 f# T, I
the base of the phallus and was dark and curled. The" l1 N9 Q) v' \1 X
testicular volume was prepubertal at 2 mL each." B+ f+ j" m$ d% @
The skin was moist and smooth and somewhat
* Q/ V* J. _* T( J) L6 D, p3 Loily. No axillary hair was noted. There were no, n, M6 N8 e9 h$ M; g4 L
abnormal skin pigmentations or café-au-lait spots.
$ D1 u" h# r, q$ ^$ R' |Neurologic evaluation showed deep tendon reflex 2+& k  m. `: s9 z1 b
bilateral and symmetrical. There was no suggestion
9 y; `) Q- \1 R1 _9 N1 j3 k! I, ^of papilledema.
- _* [& Z  ~& U* Y) {Laboratory Evaluation9 r7 C" J3 K; }5 i3 {
The bone age was consistent with 28 months by
! ]' [5 D5 S9 q, B/ v) Xusing the standard of Greulich and Pyle at a chrono-9 a/ K' r5 u3 k  s
logic age of 16 months (advanced).5 Chromosomal+ F- Z$ X6 h$ V  }# _# a8 Z$ ?
karyotype was 46XY. The thyroid function test/ [) C1 d6 S' r
showed a free T4 of 1.69 ng/dL, and thyroid stimu-
) H- ^, {8 \0 L: M. ]( i2 Mlating hormone level was 1.3 µIU/mL (both normal).
$ u: E$ [1 N. ~( E( oThe concentrations of serum electrolytes, blood& e; l5 P9 T( v1 D
urea nitrogen, creatinine, and calcium all were1 u- \. F! Q* n
within normal range for his age. The concentration' [/ n9 v) H3 i
of serum 17-hydroxyprogesterone was 16 ng/dL" _, K3 U6 M" f' J
(normal, 3 to 90 ng/dL), androstenedione was 20
5 }) m" @. |" Vng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-
! j3 k1 t8 v. s( Q6 [terone was 38 ng/dL (normal, 50 to 760 ng/dL),
/ |, e  v! R' @  _& D( R7 J2 y* t' Ddesoxycorticosterone was 4.3 ng/dL (normal, 7 to
2 T2 p2 @, Q3 A& M" `8 K( j* a4 r49ng/dL), 11-desoxycortisol (specific compound S)6 c+ A' c& ^' ]- _
was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-: ^- `& M8 e/ ?  g# l9 W
tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total0 n+ j4 k% C6 Y9 U/ z  Z* h% }
testosterone was 60 ng/dL (normal <3 to 10 ng/dL),
% f0 K. p7 t' l4 R" Kand β-human chorionic gonadotropin was less than
1 E# ~9 [4 b- A/ A9 \$ o5 mIU/mL (normal <5 mIU/mL). Serum follicular7 z0 r- v- h6 _2 w7 M
stimulating hormone and leuteinizing hormone- ~7 ~$ G+ D2 i7 _- O% V. U, d
concentrations were less than 0.05 mIU/mL
5 v; X' j8 u) Z(prepubertal).
6 f/ S" q5 A( y1 N+ s/ ?The parents were notified about the laboratory' g2 t: D& s- q3 n
results and were informed that all of the tests were9 _9 I/ d, k; @: b9 I2 R5 ^! H
normal except the testosterone level was high. The
# ^* g4 P1 r( Z. \* Vfollow-up visit was arranged within a few weeks to1 m& B6 h( N( Q: ?) S$ W  N
obtain testicular and abdominal sonograms; how-
0 R5 j" D! E7 Qever, the family did not return for 4 months.
( j' x: B0 C7 d) Y" ?6 `, X1 uPhysical examination at this time revealed that the
1 ?: `! T4 z3 h& j9 q' U( z5 [2 a2 pchild had grown 2.5 cm in 4 months and had gained" A: o9 q1 k* L3 H% R5 S
2 kg of weight. Physical examination remained
& W/ r8 ~$ [, X; P% @* z! q2 Cunchanged. Surprisingly, the pubic hair almost com-- o! N# ^2 o, F' L$ {: A/ r
pletely disappeared except for a few vellous hairs at/ S, O1 ~& a- t- c: a& g
the base of the phallus. Testicular volume was still 2  o' V  r' V3 _+ D
mL, and the size of the penis remained unchanged.' _5 N, r& P2 ^& C5 E; y) ~9 n0 [
The mother also said that the boy was no longer hav-
( H5 c( U) Y- f. k- o0 ping frequent erections./ I) C+ o. O" X
Both parents were again questioned about use of/ i  G) C  ]. B% t  T
any ointment/creams that they may have applied to3 c4 B* p, S; E
the child’s skin. This time the father admitted the" u7 V/ j& f7 L7 i' V5 }* S, y
Topical Testosterone Exposure / Bhowmick et al 541/ o+ f% ^% M: B" X' [8 Y
use of testosterone gel twice daily that he was apply-0 i& |# v3 X6 h
ing over his own shoulders, chest, and back area for
8 {( P, Z) E. e3 X3 Y1 [a year. The father also revealed he was embarrassed, W# L- G  Y6 |
to disclose that he was using a testosterone gel pre-1 y: {: e) B% o6 T# m
scribed by his family physician for decreased libido- d5 Y6 }2 F9 O2 U  P; I# C
secondary to depression./ }* A# k& d; L+ M$ a
The child slept in the same bed with parents.7 b: A, _8 V' S  q
The father would hug the baby and hold him on his
8 ^3 {0 w& s6 [7 k5 z' ?3 ?chest for a considerable period of time, causing sig-; p1 w: S7 Z8 J& X, o) w( [
nificant bare skin contact between baby and father.
- Y+ X  Y+ @0 e$ ?9 Q& XThe father also admitted that after the phone call,
+ L( A* p& a+ c* f2 R5 b6 P0 lwhen he learned the testosterone level in the baby: j4 \- R; I) L2 A( t7 P
was high, he then read the product information
% _) w. W8 K4 g9 B- I1 xpacket and concluded that it was most likely the rea-
) u+ {" E' N; P, c, Xson for the child’s virilization. At that time, they7 n0 Z4 X; k1 m, I
decided to put the baby in a separate bed, and the8 h( M% h4 C; c
father was not hugging him with bare skin and had( G1 P7 k7 d% Q
been using protective clothing. A repeat testosterone
, v* n3 x2 v& t6 Rtest was ordered, but the family did not go to the
8 [* d( l5 c" U  ulaboratory to obtain the test.
+ z- C9 @* _% L9 |9 l8 MDiscussion
/ F; R/ ^' x( W3 QPrecocious puberty in boys is defined as secondary
. w8 M* v' I/ C# j; vsexual development before 9 years of age.1,4! O" C( i% i2 p) k
Precocious puberty is termed as central (true) when0 a2 ]8 C$ ?% d1 Q0 S$ x3 M
it is caused by the premature activation of hypo-
7 \+ e2 ^" {4 q- f. L+ |thalamic pituitary gonadal axis. CPP is more com-6 v- w0 I! i. j8 H
mon in girls than in boys.1,3 Most boys with CPP% n0 O# h2 p7 q* i
may have a central nervous system lesion that is
' x3 C" Y( d- }" j  v2 B3 Oresponsible for the early activation of the hypothal-# ~% T2 m2 F. R/ x: L
amic pituitary gonadal axis.1-3 Thus, greater empha-
. {; J, j# i4 R- ]- _) Y0 @sis has been given to neuroradiologic imaging in5 A: m: |; S1 O% ]
boys with precocious puberty. In addition to viril-
; D3 M9 L$ {) J& H( @0 l" x' gization, the clinical hallmark of CPP is the symmet-1 X6 h  }7 w1 X
rical testicular growth secondary to stimulation by4 k0 ^- X6 Z0 \3 P2 k9 v$ S& D
gonadotropins.1,39 t  D/ Y  d! p3 z+ {/ \* i
Gonadotropin-independent peripheral preco-
3 N+ ?4 N; F' \) gcious puberty in boys also results from inappropriate
% L! Y/ M6 m" kandrogenic stimulation from either endogenous or
8 U7 b7 m4 @6 D* e! n+ ~; aexogenous sources, nonpituitary gonadotropin stim-
2 c* n8 k& Z' y2 |( }4 ?ulation, and rare activating mutations.3 Virilizing- n  P, M) m; P& G0 e6 O$ u
congenital adrenal hyperplasia producing excessive
3 S: t# J: G9 B) a+ jadrenal androgens is a common cause of precocious
7 ^; m5 g+ x0 k9 T) _$ |7 O. vpuberty in boys.3,4' L. [' l3 u2 O! [: ~
The most common form of congenital adrenal  d: ^% W" n9 j9 a, e+ U) t) X: ~
hyperplasia is the 21-hydroxylase enzyme deficiency.9 p' A- x! R$ r: ^; G! b
The 11-β hydroxylase deficiency may also result in' F7 e2 Y1 \8 C2 }1 d
excessive adrenal androgen production, and rarely,
% X3 D' C5 j. ~3 h7 P  ean adrenal tumor may also cause adrenal androgen
0 Y. o: c: T9 s7 ^excess.1,3+ {  Z4 j$ A. N* S' ?
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
' y2 s/ d) h% Z- K" j8 n542 Clinical Pediatrics / Vol. 46, No. 6, July 20078 `# n( h$ r: N0 G* y, T& M& O
A unique entity of male-limited gonadotropin-
. N6 W7 ^* y1 F, y+ n; D+ sindependent precocious puberty, which is also known# ~! T% E3 C; ^" W
as testotoxicosis, may cause precocious puberty at a
4 u# [5 e* _  K4 l1 Jvery young age. The physical findings in these boys* g  S! B& C& ^$ C* u
with this disorder are full pubertal development,7 Z% f9 S3 Z( S* |4 I, @
including bilateral testicular growth, similar to boys
& u, `* _: E; Y3 W  q; Owith CPP. The gonadotropin levels in this disorder& W) ^' n* `" E3 O
are suppressed to prepubertal levels and do not show  d; k6 i3 o( k
pubertal response of gonadotropin after gonadotropin-
3 p  V& P. m7 i, y7 Z" V( ]; Vreleasing hormone stimulation. This is a sex-linked
& l% R' D+ N) jautosomal dominant disorder that affects only! z+ b6 U& o* M4 K
males; therefore, other male members of the family* ?1 B  j; Q  i6 \
may have similar precocious puberty.3) x. G, y9 Z3 X% P
In our patient, physical examination was incon-4 ^  V) U( H1 s4 k# @9 R0 c, I
sistent with true precocious puberty since his testi-
- P' z/ {  \; Y5 @& J2 bcles were prepubertal in size. However, testotoxicosis3 r- }# C# Y. I/ y* g+ B9 q. m, P
was in the differential diagnosis because his father
$ i7 |+ t& G6 ?1 C3 Jstarted puberty somewhat early, and occasionally,2 J7 X* {/ @. Q) C% U+ V8 r1 e/ j
testicular enlargement is not that evident in the  e, A) W% j' C1 Y! r7 S
beginning of this process.1 In the absence of a neg-
5 S3 L/ v* m5 W4 f7 J& ]ative initial history of androgen exposure, our
: K2 L4 w2 Z* a9 q" ]biggest concern was virilizing adrenal hyperplasia,# l( I8 [& g( `- [4 g- u
either 21-hydroxylase deficiency or 11-β hydroxylase
$ S9 Q0 [' |# s% y/ n+ |7 Ddeficiency. Those diagnoses were excluded by find-: s( k9 S/ h0 _( D* b6 a
ing the normal level of adrenal steroids.
# s# i6 s7 O6 Q# ]% N) {The diagnosis of exogenous androgens was strongly
; b4 W% ]) {$ S/ T$ J, P5 E& K6 Psuspected in a follow-up visit after 4 months because4 M' f6 }) J! j$ z! D+ A. j- f: F( f% U
the physical examination revealed the complete disap-+ t  o8 u% c6 z4 M4 f$ [# Z
pearance of pubic hair, normal growth velocity, and7 p) |- v9 ~! ^- e3 _4 b/ i
decreased erections. The father admitted using a testos-
& T  E) Y  w, z# i) Q: cterone gel, which he concealed at first visit. He was- G2 p) K$ b% A5 k
using it rather frequently, twice a day. The Physicians’- c; z. L. ^/ R
Desk Reference, or package insert of this product, gel or4 J: ^2 D9 L$ d5 I7 [) u* V
cream, cautions about dermal testosterone transfer to
/ D: W* t& y& g  s( i% `& eunprotected females through direct skin exposure.* ]* ^: |/ {3 f$ R
Serum testosterone level was found to be 2 times the% p( N2 \" v7 c5 d7 i  M; Q
baseline value in those females who were exposed to
8 O6 q  Q$ w( @- O* beven 15 minutes of direct skin contact with their male7 V- U- O) }2 ^3 Q  H- k( S' ^% S7 b" U
partners.6 However, when a shirt covered the applica-6 N; D6 h4 t5 ^" O
tion site, this testosterone transfer was prevented.8 U. \. Z; @" u" X( |7 i
Our patient’s testosterone level was 60 ng/mL,1 D0 c6 b+ v2 R0 M( I
which was clearly high. Some studies suggest that6 ?. c7 F. y) B2 H$ e! i
dermal conversion of testosterone to dihydrotestos-. R3 W4 V/ z" X- r, b
terone, which is a more potent metabolite, is more
( W! p+ b" Z/ I- z' m+ S( N' Iactive in young children exposed to testosterone
; c1 X9 r4 N; ^# \exogenously7; however, we did not measure a dihy-
: F8 V+ u0 q, M5 b) N8 ndrotestosterone level in our patient. In addition to
0 b0 Y. u  }3 c6 ^" Q+ S; Qvirilization, exposure to exogenous testosterone in8 }' n' L( T5 j; `* U8 u
children results in an increase in growth velocity and) E1 v: V; v* o& p7 Z- B/ w2 |
advanced bone age, as seen in our patient.
. T/ e0 D* c! gThe long-term effect of androgen exposure during
/ _+ ]8 g' y- pearly childhood on pubertal development and final
. x, H9 Q2 \+ t% Z1 qadult height are not fully known and always remain
' W0 A; E. s; d8 Ba concern. Children treated with short-term testos-! x7 v- H5 l3 Z) F2 n. M# Q
terone injection or topical androgen may exhibit some
1 W( x5 Y- V) R/ z6 Yacceleration of the skeletal maturation; however, after
& S/ c8 L# h, b9 y( k) ]4 Gcessation of treatment, the rate of bone maturation
# x  _. b' |8 i( w/ Adecelerates and gradually returns to normal.8,9  z7 A. U# t  {2 D5 P( f/ j. j* E
There are conflicting reports and controversy; m" U3 B# A$ n8 x! E
over the effect of early androgen exposure on adult
" {. x8 g- l& ]3 h4 _penile length.10,11 Some reports suggest subnormal
* ~* s8 v' u1 C5 M) Gadult penile length, apparently because of downreg-8 d. |7 c- g+ h  k
ulation of androgen receptor number.10,12 However,3 C% B! A1 w# y0 q: Q
Sutherland et al13 did not find a correlation between/ k4 n8 T+ x$ ^5 J3 p
childhood testosterone exposure and reduced adult
  @% k8 t( |- Dpenile length in clinical studies.- p( S3 M+ ^. ]" R( I& |3 V& h
Nonetheless, we do not believe our patient is
* s8 G3 w! m4 C* L' |going to experience any of the untoward effects from
2 T1 g) O! M4 Z9 r2 i4 P$ btestosterone exposure as mentioned earlier because
5 j$ Z3 o5 k* L4 e  d& Z& Bthe exposure was not for a prolonged period of time.
6 d* K1 H. ]* A6 t+ H# h  kAlthough the bone age was advanced at the time of, c, w, X' x' }# I5 q2 g
diagnosis, the child had a normal growth velocity at/ y4 J. p0 z2 b2 W
the follow-up visit. It is hoped that his final adult
: {4 s; v0 U5 \( M/ v3 W9 }' l' iheight will not be affected.
6 C8 ^  I+ o; e: F% ~Although rarely reported, the widespread avail-
4 S$ E" S5 e+ a+ rability of androgen products in our society may
1 `0 [) s5 ], ~: M. i3 Rindeed cause more virilization in male or female" M3 e$ X! a2 C1 p2 E" X8 s- A
children than one would realize. Exposure to andro-7 l/ J+ C" Q( p: A2 g" U
gen products must be considered and specific ques-0 }' t6 ]' b+ e+ |* \$ p1 W; w- L
tioning about the use of a testosterone product or* u3 k, r" \4 e& }3 c* E! e7 U
gel should be asked of the family members during
& b( x8 Q- y4 W5 h/ Mthe evaluation of any children who present with vir-
5 b/ {# u+ S* ]- O2 N! Wilization or peripheral precocious puberty. The diag-2 {% ]* y8 W* L% ^
nosis can be established by just a few tests and by
, m% y  F: R% w# G6 p7 ^0 Uappropriate history. The inability to obtain such a
: `: j0 {1 M/ T1 u& M- `; }history, or failure to ask the specific questions, may8 J8 W* _4 [8 p9 H: a, K  d0 X* u% ~
result in extensive, unnecessary, and expensive
7 i% A& V0 |9 g  Iinvestigation. The primary care physician should be% {4 p3 T0 j8 Z/ s9 Y
aware of this fact, because most of these children
& X9 i( Y4 P/ |9 n  A3 lmay initially present in their practice. The Physicians’
$ o- [+ [, F2 Y- M9 ?5 mDesk Reference and package insert should also put a
$ }: \, l8 |8 _# o9 W  Gwarning about the virilizing effect on a male or3 y5 n! w4 f" Z
female child who might come in contact with some-
# V* n  Z0 N; F8 q/ Bone using any of these products.1 ~3 N, o1 {7 n' Q: i
References9 l: ^* ]0 t% r7 m# f
1. Styne DM. The testes: disorder of sexual differentiation, f; r  j; Y7 W1 Y) n: v7 e+ m
and puberty in the male. In: Sperling MA, ed. Pediatric4 R6 ]+ X- K. W3 e
Endocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
# e3 k+ T6 e" u* z) I2002: 565-628.. w+ b1 l$ w5 x9 m* }% G4 s
2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious
# l/ z: K) Y& U" ?( T& j# [puberty in children with tumours of the suprasellar pineal
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Sexual Precocity in a 16-Month-Old- m  R5 F6 X# q( O/ [, p5 P
Boy Induced by Indirect Topical) {# v8 N  Q/ r; T5 ^8 D' e1 X& X/ M
Exposure to Testosterone
( G3 r' q, s& J2 [& h  x& Z; P. WSamar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2$ n0 a# I$ |. q) Y! b
and Kenneth R. Rettig, MD1$ q( z& S3 k1 M* P( x
Clinical Pediatrics
3 v' o+ d3 g  c0 x7 T4 qVolume 46 Number 6
3 z- D, x- b/ e+ G. Z$ YJuly 2007 540-5439 o. b0 ^: H  ^3 g: \
© 2007 Sage Publications) j  ~2 c4 U6 t2 `' O
10.1177/00099228062966510 a: s! g; w8 t1 \$ ^
http://clp.sagepub.com
! z: ?3 K# N' {$ ~' Rhosted at
- ]# P% \2 Y" G3 D+ l- n1 Q8 khttp://online.sagepub.com5 L" `! {, k% @, ?
Precocious puberty in boys, central or peripheral,
6 n+ H3 U$ \8 Q+ ~is a significant concern for physicians. Central
$ E' D4 i8 m* V1 c8 ?) W+ e2 j/ F1 fprecocious puberty (CPP), which is mediated
% h" S( i" _+ pthrough the hypothalamic pituitary gonadal axis, has
/ ~8 ?4 Y/ S* E& na higher incidence of organic central nervous system, }/ d) C# m. \4 E8 ~/ i8 q5 S9 S
lesions in boys.1,2 Virilization in boys, as manifested0 g# y' `+ g" R  i* g( a
by enlargement of the penis, development of pubic* r# X9 U8 O* R3 N
hair, and facial acne without enlargement of testi-
* ?6 F1 `6 u8 G0 Z' L! F8 }/ B  Ccles, suggests peripheral or pseudopuberty.1-3 We" h& t- C4 M) q1 T' B
report a 16-month-old boy who presented with the& _- _) t' T: J5 j1 o
enlargement of the phallus and pubic hair develop-  {6 i2 ]) \7 E# `2 @. J& g
ment without testicular enlargement, which was due
# o: k+ c7 \& _  L4 R+ k/ eto the unintentional exposure to androgen gel used by
5 t8 X- c6 S4 Z9 Y5 R9 p" y( xthe father. The family initially concealed this infor-/ S( N( \4 j. R+ N9 u, X2 H! ^' L
mation, resulting in an extensive work-up for this
+ y5 U: L# N: Gchild. Given the widespread and easy availability of0 ~7 H( \) J) j" q4 U. ~
testosterone gel and cream, we believe this is proba-% y6 v# v7 h8 i' Q) R/ r* M  O
bly more common than the rare case report in the9 u- V+ s, r$ }
literature.43 ~' M2 B5 B& E2 v& x) \
Patient Report4 L* D7 {+ a  g; b2 O1 v6 t3 _2 c* k
A 16-month-old white child was referred to the% N  N8 a9 F8 M- }! m0 a1 I
endocrine clinic by his pediatrician with the concern, c( b. H% D# n. _
of early sexual development. His mother noticed" Z# V' w# v# H# j' S1 d5 {
light colored pubic hair development when he was
2 A5 v( F8 q/ w" w  U$ FFrom the 1Division of Pediatric Endocrinology, 2University of
0 M( ^8 j1 q' f' q3 m, |South Alabama Medical Center, Mobile, Alabama.3 G% `: m4 G/ c  W" h
Address correspondence to: Samar K. Bhowmick, MD, FACE,
* Q7 @5 L$ ]8 EProfessor of Pediatrics, University of South Alabama, College of, C& j1 p0 a, q' R$ q2 f& {, E
Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;% I4 V4 `5 M9 [
e-mail: [email protected].5 O0 s* o: D3 J2 m4 N
about 6 to 7 months old, which progressively became7 k8 k6 a/ U. f% T# b
darker. She was also concerned about the enlarge-
; q8 G. A5 Q7 H% @- wment of his penis and frequent erections. The child
3 o7 b2 {8 I# R; }, B2 c; \was the product of a full-term normal delivery, with
# @! r. X& u/ u# sa birth weight of 7 lb 14 oz, and birth length of1 U5 x; ]9 B8 V, l7 U0 L4 |; F
20 inches. He was breast-fed throughout the first year% D6 {7 `$ b( r* d8 r. e
of life and was still receiving breast milk along with
& q3 m3 ]. O5 M1 t( q; u' o, Jsolid food. He had no hospitalizations or surgery,5 H. q) h$ K+ [! v
and his psychosocial and psychomotor development  W# R  f+ J/ X$ U& E
was age appropriate.
6 f9 _; H+ t: h* D4 _The family history was remarkable for the father,9 A3 O+ s, x: E" a! ^
who was diagnosed with hypothyroidism at age 16,
3 V& B  Y" _$ C2 q1 I$ Pwhich was treated with thyroxine. The father’s
" E. e* X6 }9 v& h8 Theight was 6 feet, and he went through a somewhat) W' W' M# ]0 O* J3 B. U+ p
early puberty and had stopped growing by age 14.
$ j' J4 N5 T; x8 ~5 ~( `The father denied taking any other medication. The/ i7 f6 a. U* m+ p+ k! }
child’s mother was in good health. Her menarche# Y2 N1 A" k2 n: I# l
was at 11 years of age, and her height was at 5 feet/ x% g  [# c9 x9 x# U8 u# @
5 inches. There was no other family history of pre-
% }: e/ W# M% N2 q% O+ R' [cocious sexual development in the first-degree rela-+ O9 v- r  V2 `' \/ I1 t/ C: i
tives. There were no siblings.! A  f8 M! @# _+ `# `4 B4 g% r
Physical Examination
/ }. b4 ~3 M6 Z7 a0 o/ DThe physical examination revealed a very active,) L. @0 B1 M; H3 o6 A. ]; O. g
playful, and healthy boy. The vital signs documented
2 s0 V( B$ |5 q; q8 ha blood pressure of 85/50 mm Hg, his length was! E+ O; k) c" m
90 cm (>97th percentile), and his weight was 14.4 kg* q: ?+ F% I5 j3 m( o
(also >97th percentile). The observed yearly growth# m* A7 G5 c8 Q% h0 u0 |9 |
velocity was 30 cm (12 inches). The examination of$ \6 [% h) v! H% Y; O) A
the neck revealed no thyroid enlargement.5 S1 U7 N  R" G2 M
The genitourinary examination was remarkable for
: Y- X  s- t) j3 [0 tenlargement of the penis, with a stretched length of7 q  D: k0 B" g  e
8 cm and a width of 2 cm. The glans penis was very well1 G- ?0 ^& b. f7 B) B7 Q, L# s
developed. The pubic hair was Tanner II, mostly around: E. j1 `9 J& R" P& \
5401 l+ x, h7 B- ]0 z! N% `
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
; P- @; \; g' rthe base of the phallus and was dark and curled. The: Y; W7 l. U$ A- U, n: n/ g7 z
testicular volume was prepubertal at 2 mL each.- l5 C  K: C! b# U5 T! h/ v/ @
The skin was moist and smooth and somewhat
; V1 F2 E! n! W) y% Doily. No axillary hair was noted. There were no
0 l' L' V2 ]5 Y' G3 w% G% _" @9 oabnormal skin pigmentations or café-au-lait spots.
  C5 T" r4 Q* v( ENeurologic evaluation showed deep tendon reflex 2+
) p+ F( z4 V4 a7 Q2 m6 n/ abilateral and symmetrical. There was no suggestion7 X/ o/ y3 ]' d) d
of papilledema.8 d: i# c1 J1 `  N8 V
Laboratory Evaluation& N0 D4 u! U- T
The bone age was consistent with 28 months by
: F# A" ~4 [4 ]( a( eusing the standard of Greulich and Pyle at a chrono-
/ H8 Y, z7 [! K- qlogic age of 16 months (advanced).5 Chromosomal7 m# P/ r8 r5 h) b7 V! d$ p) l
karyotype was 46XY. The thyroid function test6 b4 Z& E8 l$ _/ S' r* R+ f
showed a free T4 of 1.69 ng/dL, and thyroid stimu-7 p$ |# s4 S$ R$ l
lating hormone level was 1.3 µIU/mL (both normal).
- P- |3 @( U2 j7 {* U5 @6 m, VThe concentrations of serum electrolytes, blood
4 A4 A  M7 B  K0 U3 z( h& h; P6 _& lurea nitrogen, creatinine, and calcium all were/ S% R' U) w4 j! O# Y
within normal range for his age. The concentration4 Y( Z# Y' q7 }. Y
of serum 17-hydroxyprogesterone was 16 ng/dL
! P8 c8 B0 f: [  D* B' N9 `) r3 W5 Z(normal, 3 to 90 ng/dL), androstenedione was 20
+ C2 V+ \( s: [$ ~  |9 k4 Lng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-5 g3 _( U2 O+ ?6 S- P# ~. x0 G: W# _/ c
terone was 38 ng/dL (normal, 50 to 760 ng/dL),( I) O- V9 x5 K* }
desoxycorticosterone was 4.3 ng/dL (normal, 7 to
1 D" `: D3 a! y0 _0 ~% X49ng/dL), 11-desoxycortisol (specific compound S)1 A: l$ M2 ?" m% K& V
was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-0 U; V% {- j3 s: T; Y* f8 S0 m
tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total& \! c$ y6 c+ G2 c# r5 |# V5 @
testosterone was 60 ng/dL (normal <3 to 10 ng/dL),
  d3 ?& d, {# ]) U' [and β-human chorionic gonadotropin was less than
/ B( m4 R2 O4 L( D8 Q5 mIU/mL (normal <5 mIU/mL). Serum follicular
. }- F, c" x; @2 {3 _# c2 E/ sstimulating hormone and leuteinizing hormone4 Y4 k; `# g& p8 f" q
concentrations were less than 0.05 mIU/mL7 V  l+ C4 h6 h5 ]/ S$ u
(prepubertal).
$ j' ?- _* n8 d# a, hThe parents were notified about the laboratory/ C" o# ]( V; u* T6 Y
results and were informed that all of the tests were
8 N  I8 m; Y) }normal except the testosterone level was high. The& a  ~: p4 c+ S
follow-up visit was arranged within a few weeks to
; ?, D0 E/ Z) K& F9 ?  c1 N. z, Lobtain testicular and abdominal sonograms; how-
! E2 H3 n' A3 X; I" ~) G" fever, the family did not return for 4 months.! P7 P$ M# L9 t9 y! P
Physical examination at this time revealed that the6 g  P! D! T, ^) @9 m& X
child had grown 2.5 cm in 4 months and had gained
% \& H" i+ o4 o6 n# B( d% F2 kg of weight. Physical examination remained/ v" B0 l* z0 L2 Y2 c2 C
unchanged. Surprisingly, the pubic hair almost com-1 t4 J2 o4 }& }! n) V
pletely disappeared except for a few vellous hairs at# a" @' t& p9 T2 `
the base of the phallus. Testicular volume was still 2
6 {+ y' B" f8 LmL, and the size of the penis remained unchanged.
/ L2 y: k- ?& LThe mother also said that the boy was no longer hav-
4 t7 {. Y. D4 L: {ing frequent erections.
+ x0 j, b0 {+ f/ J$ V& j- aBoth parents were again questioned about use of2 [% A; W" t2 ?* H( w
any ointment/creams that they may have applied to
! }+ R1 m( _; |* s; r, o+ ?& y6 Ethe child’s skin. This time the father admitted the
5 H" z  T/ j! h7 j, P/ ?+ [" ITopical Testosterone Exposure / Bhowmick et al 5417 O6 g8 x2 t- X3 ~1 H
use of testosterone gel twice daily that he was apply-
4 f" R& ?; u5 r, c1 d5 G* j, cing over his own shoulders, chest, and back area for. W0 c0 C2 J5 H% [/ |
a year. The father also revealed he was embarrassed
1 M. U+ F8 N* I8 G7 ito disclose that he was using a testosterone gel pre-8 b( X) ?& q. a% G/ K! ^' ]- E
scribed by his family physician for decreased libido
: g& M8 {; o- tsecondary to depression., g) s  h& s1 J9 g. W! }
The child slept in the same bed with parents.
# a5 h4 v+ E& Z; }- Z* MThe father would hug the baby and hold him on his
+ t: `& t) l4 t, mchest for a considerable period of time, causing sig-# _& m/ l" A1 S' f6 A
nificant bare skin contact between baby and father.
  P$ h6 U! O& d9 _( G  ~The father also admitted that after the phone call,
; J- e7 q+ X$ A$ uwhen he learned the testosterone level in the baby
% _# Q/ o5 @4 ?, |* a- xwas high, he then read the product information4 T' J$ a& K2 `1 a& M, `3 h
packet and concluded that it was most likely the rea-% V0 V( D5 x* C, ^) a* U
son for the child’s virilization. At that time, they0 X* c' ^' W7 r' u  q9 V
decided to put the baby in a separate bed, and the' A4 N! Y( g) Y. i/ O+ k
father was not hugging him with bare skin and had
# S8 G3 O5 ~+ Y, h$ qbeen using protective clothing. A repeat testosterone
6 Z0 ]! v6 Y- l! ptest was ordered, but the family did not go to the. }* V) k" E% [- @1 d
laboratory to obtain the test.3 g3 R9 D& r1 J' L) ?$ P, a' f
Discussion' o) d8 ?7 D6 G- c
Precocious puberty in boys is defined as secondary+ a3 Y) e( Z9 t1 d4 B* ~
sexual development before 9 years of age.1,4' l! m8 X' R% r. e  C! z) G
Precocious puberty is termed as central (true) when
0 `3 P/ J2 C6 _, A: L+ \it is caused by the premature activation of hypo-# m4 Y1 O( E7 Z4 W' ^
thalamic pituitary gonadal axis. CPP is more com-
' V: n; G( q' g4 {- f' Qmon in girls than in boys.1,3 Most boys with CPP
7 T& g( n5 S' Q% C) D& A) Dmay have a central nervous system lesion that is
  P" m" T  F# [- v" Iresponsible for the early activation of the hypothal-# `, Y( x7 w9 ~( v1 l
amic pituitary gonadal axis.1-3 Thus, greater empha-
$ X# T' J& o$ |- Psis has been given to neuroradiologic imaging in& i& f/ x) c9 \
boys with precocious puberty. In addition to viril-
& W: F% z  N' i, Kization, the clinical hallmark of CPP is the symmet-3 v& T8 X0 J" @) b' F3 M
rical testicular growth secondary to stimulation by: j: V& R! f2 F6 f) q2 b9 x$ z
gonadotropins.1,3
% K! h' I3 i; t( |+ OGonadotropin-independent peripheral preco-9 e! q- P/ N  J9 A% e- e0 M
cious puberty in boys also results from inappropriate
- Y1 U4 t& x" E. i3 {androgenic stimulation from either endogenous or
5 E) \# b2 M  Y: o4 hexogenous sources, nonpituitary gonadotropin stim-
9 ?- \- W( |5 g+ N7 Nulation, and rare activating mutations.3 Virilizing+ X4 S8 C3 D$ X% _2 e
congenital adrenal hyperplasia producing excessive' ~6 f, Z4 u# [
adrenal androgens is a common cause of precocious& ?7 A) G' V- H# q' f, @
puberty in boys.3,4  ~7 Z" u$ t) L# L4 i5 ?
The most common form of congenital adrenal
) K4 \! L9 E2 {6 ]* dhyperplasia is the 21-hydroxylase enzyme deficiency.
1 V! u! p6 b1 K, ?The 11-β hydroxylase deficiency may also result in
0 Z! c% ]6 C* Sexcessive adrenal androgen production, and rarely,4 F$ }1 |5 Z+ I2 i, T3 ^, f) ]
an adrenal tumor may also cause adrenal androgen
$ s3 n! m* Q; t) S$ `( ]2 lexcess.1,3+ l! A7 S# D. k) A3 f
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
. O" w( c+ }% a9 @542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
3 x' ~* F6 x5 U' S4 O8 rA unique entity of male-limited gonadotropin-1 p8 \/ q$ N! i
independent precocious puberty, which is also known5 y4 ]2 X( _  C! q6 n7 v7 Y( ~9 k7 Q
as testotoxicosis, may cause precocious puberty at a8 \1 f9 h- n: L. M6 I
very young age. The physical findings in these boys- Q3 y% }+ W" R( V
with this disorder are full pubertal development,  a- P# q$ I7 O% h
including bilateral testicular growth, similar to boys5 v3 U$ F7 r% y$ e/ N8 z, v
with CPP. The gonadotropin levels in this disorder) F4 K2 e2 U3 Y3 E' C6 ?0 H
are suppressed to prepubertal levels and do not show
0 x) o$ |9 ~% @2 M# Mpubertal response of gonadotropin after gonadotropin-
$ V/ l& ]% |, w4 d3 [releasing hormone stimulation. This is a sex-linked7 B  l7 [, {/ g2 G# L5 Z  N% d8 g
autosomal dominant disorder that affects only
9 \0 @5 O4 Q/ o* e) V* M( v7 }9 Wmales; therefore, other male members of the family
$ _/ Z. a3 j6 S% X- d( k4 zmay have similar precocious puberty.3# X, a; ~9 j6 K! {; @
In our patient, physical examination was incon-  e* n" ~$ l* e" c2 G. w
sistent with true precocious puberty since his testi-
8 T- i& E: @; z' f  t5 ^/ \! y% Bcles were prepubertal in size. However, testotoxicosis
9 M+ T& F# C+ Cwas in the differential diagnosis because his father
" @# I  e1 m  }5 U- y  Vstarted puberty somewhat early, and occasionally,0 U! c* s8 P) p/ M. {
testicular enlargement is not that evident in the9 _- t/ B. P" Y" j1 u4 o6 W
beginning of this process.1 In the absence of a neg-2 B4 ~. O. r3 K
ative initial history of androgen exposure, our
% f8 Q# h) ]* n( sbiggest concern was virilizing adrenal hyperplasia,: }% z( ?. |" [0 b! g! Q, M. Z' n! q
either 21-hydroxylase deficiency or 11-β hydroxylase
1 p( D/ I2 |5 Udeficiency. Those diagnoses were excluded by find-
; C6 Z7 h0 v" W4 J: Y8 Ying the normal level of adrenal steroids.$ V1 G7 M  k1 H# m3 j
The diagnosis of exogenous androgens was strongly# |' f2 t9 M/ l
suspected in a follow-up visit after 4 months because8 x, W+ ^! {8 l/ U4 w; n# x9 v8 Z
the physical examination revealed the complete disap-" z! n$ R. R+ X8 G  v( w$ ?# J
pearance of pubic hair, normal growth velocity, and! A3 f# F, y7 U* b1 w' M6 Q+ c
decreased erections. The father admitted using a testos-  ^! F( h- C4 |8 X) h2 _5 ~) x! O
terone gel, which he concealed at first visit. He was* \# R+ D  D6 }0 _8 q
using it rather frequently, twice a day. The Physicians’  q8 d/ i1 `* A
Desk Reference, or package insert of this product, gel or
. R. Q, A! r/ q4 d$ @1 X) Ycream, cautions about dermal testosterone transfer to9 C9 M7 w6 \# H, S; {
unprotected females through direct skin exposure.% i: O& ^9 l& K" R
Serum testosterone level was found to be 2 times the
7 H" N2 N& ~+ ybaseline value in those females who were exposed to
- ?. U0 R' F1 a# geven 15 minutes of direct skin contact with their male; S, F9 y  N  @3 c
partners.6 However, when a shirt covered the applica-/ S6 y1 p, H# B' j
tion site, this testosterone transfer was prevented.
3 z; `& a1 u8 q6 S" {: z  dOur patient’s testosterone level was 60 ng/mL,1 T7 b1 [* `* V1 O& a' W
which was clearly high. Some studies suggest that" g/ G4 B; Y3 m, p: x- Y
dermal conversion of testosterone to dihydrotestos-' T( a4 T/ p7 |  [! f
terone, which is a more potent metabolite, is more
  P3 S6 q* _  U7 Y* factive in young children exposed to testosterone4 Z7 Q, ?; U2 l$ u! S6 f* X. h$ p0 I; ]
exogenously7; however, we did not measure a dihy-
; M8 p8 F/ q- A4 Cdrotestosterone level in our patient. In addition to
- m3 ~; ?2 |  q3 n. W3 Y$ I6 M: yvirilization, exposure to exogenous testosterone in  `0 F8 t) `; h8 w: }+ t" A( C
children results in an increase in growth velocity and
! T3 i" }$ H  S6 h/ g6 }' wadvanced bone age, as seen in our patient.
! w* E: a9 F$ r, L2 U. mThe long-term effect of androgen exposure during
2 a( \. k4 y  P0 ^0 `  }early childhood on pubertal development and final/ c2 N/ Y$ m( C" j9 h6 \( w
adult height are not fully known and always remain& |: u  m# J' q- ~. [2 `# F% F
a concern. Children treated with short-term testos-9 P5 k- s! k: j+ c+ C9 j
terone injection or topical androgen may exhibit some" _& k0 o, _+ f) z9 n. S4 g- n
acceleration of the skeletal maturation; however, after' p4 R& ]& n+ Z" K4 q
cessation of treatment, the rate of bone maturation
; y+ g- z( w- @# S5 Ldecelerates and gradually returns to normal.8,97 i+ z9 v. a7 Y5 ?7 S
There are conflicting reports and controversy
# g( k. e. E# V% D# s) t+ Mover the effect of early androgen exposure on adult
; G& D/ G6 z) d& K0 Gpenile length.10,11 Some reports suggest subnormal
, ~; @( _' y3 Badult penile length, apparently because of downreg-
" ?" n% H/ s1 y4 J5 ^4 T1 `+ ^- Rulation of androgen receptor number.10,12 However,, b/ o) \; \& f4 f2 P. w
Sutherland et al13 did not find a correlation between
" A, a+ B% D# |9 gchildhood testosterone exposure and reduced adult
9 B2 w: o+ h) m" x6 s; ?* Hpenile length in clinical studies.
* m2 Y2 z4 ]$ @Nonetheless, we do not believe our patient is
! f- v4 Y& o# W. R% S7 P( mgoing to experience any of the untoward effects from- ?9 D  y5 d' V
testosterone exposure as mentioned earlier because# Y' {+ f2 }6 o  H  |) u0 `
the exposure was not for a prolonged period of time.
7 w. F, |* F1 ~- G' R# p+ f9 IAlthough the bone age was advanced at the time of: |% P" M  N5 M+ X8 H3 }7 Y2 S2 W
diagnosis, the child had a normal growth velocity at
& V" R9 L3 P& D" e: ?- uthe follow-up visit. It is hoped that his final adult. {- V/ j" Q. f) e3 d0 o
height will not be affected.7 b+ i; x2 z' w* i
Although rarely reported, the widespread avail-
3 @- x% E- M; U1 U" e5 B5 Lability of androgen products in our society may* W6 D4 h9 {( p1 k
indeed cause more virilization in male or female
' {7 L: a3 p1 [2 gchildren than one would realize. Exposure to andro-" P* Y& M& O6 O# r' e2 t: Q+ \
gen products must be considered and specific ques-
! \9 f3 B# D! t/ ntioning about the use of a testosterone product or
3 |  \$ J1 y- Q3 |gel should be asked of the family members during
' K8 m7 F1 w( }$ m- C8 [the evaluation of any children who present with vir-
& q  @4 T8 S3 Y2 k2 w4 Y+ silization or peripheral precocious puberty. The diag-
% u6 x+ f7 v8 a2 G# \4 Qnosis can be established by just a few tests and by3 i3 N) N) o( J# T: l
appropriate history. The inability to obtain such a$ T- |1 K+ m$ E, e3 q  a
history, or failure to ask the specific questions, may
- x8 q" A! B+ N  ]" l* Nresult in extensive, unnecessary, and expensive
# E! ]% i! m. B1 u: R. Finvestigation. The primary care physician should be, }) B$ @5 F' e  r
aware of this fact, because most of these children/ n# K2 I, F! {; D* k
may initially present in their practice. The Physicians’- L* q; h: ^. V: F! N* {% U
Desk Reference and package insert should also put a
( D9 P% A: X0 `8 x' Bwarning about the virilizing effect on a male or/ Q: M* E# ~4 {% S( v
female child who might come in contact with some-- c- q- m* Y$ d* _' H7 C
one using any of these products.
4 R1 j( J" O; N: a: wReferences
5 m! }) l( W, Q8 ^: \; m1. Styne DM. The testes: disorder of sexual differentiation
0 V: y% U/ b. l/ z& c; x3 D) cand puberty in the male. In: Sperling MA, ed. Pediatric! s+ P. w: v2 i5 V* l5 o2 z
Endocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
: s, n4 |" c5 @/ Z* X) y9 l2002: 565-628.! G# i& [2 [7 E, B" k
2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious
( A3 j1 A- \# z% wpuberty in children with tumours of the suprasellar pineal
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女厕偷拍辅导班主任尿尿老师的逼很嫩还有一点
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4个什么样的?
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- b3 Y7 E* Z! b7 G
精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
發表於 2025-3-11 12:31:56 | 顯示全部樓層
么好吧v进化过程就回国参加发uft成就和;哦i回来就好v科技股份兄弟人的 路由公开vu个v库每年b
發表於 2025-4-8 11:10:25 | 顯示全部樓層
精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
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