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NBME 22 Answers

nbme22/Block 1/Question#18

A 13-year-old boy is brought to the physician for a ...

Reassurance

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 +3  upvote downvote
submitted by meningitis(120),

Tanner stages start at TEN years old

Stage I:

  • I is flat, as in flat chest;
  • I is alone, as in no sexual hairs.

Stage II (2): stage II starts at 11 y/o (II look like 11)

  • 2 balls (testicular enlargement)
  • 2 hairs (pubic hairs now appearing)
  • 2 breast buds form

Stage III (3): starts at 13 y/o

  • If you rotate 3, it looks like small breasts (Breast mounds form);
  • If you squiggle the III they look like curly+coarse pubic hair
  • Increased penis length and size can be represented by: II --> III
    (your penis was thin II but now its thicker III)

Stage IV (4): starts at 14 y/o

  • First imagine: The I in IV represents the thigh, and the V in IV looks like the mons pubis between your legs:
    MEANING: you have hair in mons pubis (V) but you have a border detaining the hair from growing into thighs.
  • The V is pointy, as in now the breasts are pointy (raised areola or mound on mound)

Stage V (5): 15 y/o

  • V has no borders detaining hair from growing into thighs (pubic hair + thigh hair)
  • 5 fingers(as in hands) flattening the areolas when grabbing them (areola flatten at this stage and no more "mound on mound")

meningitis  Sorry about the format, it came out wrong but I hope his helps. +1  
drdoom  looks good to me! +1  
gh889  According to FA2019, stage 2 ends at 11, stage 3 starts 11.5-13, and stage 4 starts at 13-15, where did you get your info from? +  
meningitis  You can change it to ENDS at 11, ENDS at 13, ENDS at 14... I simply have it as a range just like you stated in a couple of them. The importance is in how the kid presents because he/she will have some things mature but others not, the age will vary in questions. +  
endochondral1  stage 3 breast mound is for females not males btw +  
endochondral1  see pg. 635 in FA it just pubertal. Idk if that correlates to the same stage as females +  




 +1  upvote downvote
submitted by moloko270(28),

increased amount of estrogen compared to androgen activity is physiologic in puberty





 +1  upvote downvote
submitted by dr.xx(34),

Pubertal gynecomastia is thought to be a physiological phenomenon, and is most commonly seen in midpuberty with Tanner stage 3–4 pubic hair and testicular volumes of 5 to 10 mL bilaterally.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3706045/





 +0  upvote downvote
submitted by impostersyndromel1000(4),

so its reassurance bc some boys can have mild breast development at 13? I've never heard or seen this before can someone please clarify. Basically reassuring that this is (relatively) normal?