Wednesday, October 31, 2012

Nevus Depigmentosis

The patient is an 8 yo girl with a congenital lesion on the left arm.  She was seen for another reason.  There are no other significant skin lesions and the child is normal in all respects.

O/E:  3.5 cm diameter hypopigmented macule with irregular border,


Diagnosis: This is probably a nevus depigmentosis.  Nevus anemicus is less likely as is ash leaf macule of tuberous sclerosis.  (I did not do dermoscopy of this lesion, but that would have been a good idea.

Reference:
1. Oiso N, Kawada A. The diagnostic usefulness of dermoscopy for nevus depigmentosus. Eur J Dermatol. 2011 Jul-Aug;21(4):639-40.  Free full text

2. Abdullah L, Abbas O.  Dermacase. Can you identify this condition? Nevus depigmentosus. Can Fam Physician. 2011 Jun;57(6):682, 684.
Department of Nursing, American University of Beirut, Lebanon. Free Full Text


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