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Dermatology  (Expert Forum)
 | 
Possible Amelanotic melanoma
Answered by
Alan Rockoff, MD - dermatology, Child Skin Problems
The Rockoff Dermatology Center Brookline - MA
Welcome to the DERMATOLOGY FORUM! Questions in this forum are answered by Dermatologists from St. Luke's Roosevelt Hospital, under the direction of Andrew Alexis, M.D., M.P.H.

Possible Amelanotic melanoma

by caribbeanguy, Dec 08, 2005 12:00AM
My wife, a 23 y/o female, recently showed me a new lesion on her shoulder that is just smaller than a pencil eraser.  It has well circumscribed borders and is about the same color as her skin.  It looks like a new colorless mole, but I cannot be sure. She said it has grown up in the last month or so.

About four months ago she had a mole biopsied which came back as an atypical nevus and more tissue was removed with MOHS surgery just to be safe.  

Unfortunately, we live in the caribbean temporarily where I go to medical school, and there is no dermatologist or a pathology lab I would trust.  I am wondering if I should get her back to the U.S. as soon as possible to have this looked at in case it is nodular amelanotic melanoma.

My main questions are:

How rare would it be for a 23 y/o to present with a amelanotic nodular type?

Are there any other lesions this could possibly be that could pop up within a month looking nodular and skin colored?

Any other thoughts you might have are appreciated.

Thank you.

by Alan Rockoff, MD, Dec 09, 2005 12:00AM
Very rare, indeed.  I'm a little perplexed as to why you are even concerned, if the lesion was read as atypical nevus.  I am also mystified as to why Mohs surgery was used for a mole on the shoulder, when a simple excision would do.

In any case, pathology is portable.  I suggest that you ask that the pathologist who read the slides send them to a skin pathology lab in the US for a second opinion--this is done all the time.  

There are many good labs.  One is http://www.cohenderm.com/.

Take care.

Dr. Rockoff
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