Abstract
Background
Ectopic breast tissues can be found along the embryonic mammary ridges and can occur
in the vulva. While ectopic breast tissue is not uncommon, functional breast with
overlying nipple located within the vulva is exceedingly rare.
Case
A 17-year-old with undiagnosed hypothyroidism presents with vulvar mass draining milky
white fluid. A small lesion with appearance similar to a skin tag is noted and milky
fluid expressed. Biopsy and excision of this mass confirmed the presence of a functional
supernumerary nipple.
Summary and Conclusions
This appears to be the first reported case of a supernumerary nipple with symptomatic
lactation in a non-pregnant adolescent. Supernumerary nipple should be considered
in the differential diagnosis of a vulvar mass. Ectopic breast tissue in the vulva
can undergo malignant transformation, therefore excision of this tissue is generally
recommended.
Key Words
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Article info
Publication history
Published online: April 09, 2009
Identification
Copyright
© 2009 North American Society for Pediatric and Adolescent Gynecology. Published by Elsevier Inc. All rights reserved.
