I put together these medical challenges. The cases are hypothetical and do not necessarily represent actual or typical presentations of medical diseases. Disclaimer is at the bottom of this page.
Friday, January 15, 2010
Velvet
Challenge: What is shown here, and what does it signify?
This is Acanthosis Nigricans.. It is a marker of insulin resistance.. in some cases it may be a marker of internal malignancy as well (not directly a metastatic manifestation, but indicative of underlying malignancy)
yes, i know it was too easy :P. nice point on the internal malignancy! - Velvet
Acanthosis nigricans is associated with obesity, insulin resistance, type II diabetes mellitus, and certain cancers (gastrointestinal and lung). Lesions are gray-brown to black, rough, with thickened plaques and prominent skin lines occurring in flextural areas (axillae, back and sides of neck, inguinal creases, inframammary). The texture is velvety.
3 comments:
Acanthosis nigricans: insulin resistance
This is Acanthosis Nigricans.. It is a marker of insulin resistance.. in some cases it may be a marker of internal malignancy as well (not directly a metastatic manifestation, but indicative of underlying malignancy)
yes, i know it was too easy :P. nice point on the internal malignancy!
-
Velvet
Acanthosis nigricans is associated with obesity, insulin resistance, type II diabetes mellitus, and certain cancers (gastrointestinal and lung). Lesions are gray-brown to black, rough, with thickened plaques and prominent skin lines occurring in flextural areas (axillae, back and sides of neck, inguinal creases, inframammary). The texture is velvety.
Sources: UpToDate; dermimages.med.jhmi.edu.
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