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DrOAB
DrOAB, Board Certified Pediatrician
Category: Pediatrics
Satisfied Customers: 1032
Experience:  In practice since 2000.
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My 15 year old son has a small(bb size) lump under his nipple-he

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My 15 year old son has a small(bb size) lump under his nipple-he squeezed it today and got a significant amount of milky discharge- he says it hurts, and he gets a small amount of fluid if he squeezes the other nipple which does not hurt and has no lump-Youropinion please
Submitted: 7 years ago.
Category: Pediatrics
Expert:  DrOAB replied 7 years ago.

DearCustomer

 

You appear to report the symptom of galactorrhea, which is milky nipple discharge when one is not nursing. The possible medical causes are many, ranging from various medications, chest wall trauma, and overexercise to hypothyroidism, liver or kidney dysfunction, or prolactinoma (a benign tumor of the pituitary gland in the brain). Your son's primary care doctor or an endocrinologist (growth and hormone specialist) can begin the diagnostic evaluation, which may include blood tests and an imaging study of the brain (e.g., MRI).

 

Galactorrhea references:

Definition - http://www.medterms.com/script/main/art.asp?articlekey=9665

Causes (see Tables 1 & 2): http://www.aafp.org/afp/20010501/1763.html

 

Prolactinoma reference: http://www.mayoclinic.com/health/prolactinoma/DS00532

Hyperprolactinemia reference: http://emedicine.medscape.com/article/121784-overview

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