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Friday 23 November 2007

Pink nevus

A 31-year-old woman with a phototype II consulted for this pink tumor on her right thigh. The lesion had enlarged for a couple of months but the patient did not remember exactly when it had occured. Clinical examination was in favor of a Spitz nevus, differential diagnoses included achromic melanoma, clear cell acanthoma, dysplastic nevus.
Dermoscopy revealed dotted vessels and a light brown color at the the periphery. The lesion was excised and pathology revealed a compound melanocytic nevus.
Pink nevi
are typicallly found in patients with fair skin type (phototypes I and II). If there are multiple pink lesions, a regular follow-up is advised. If the lesion is solitary as in our case, differentiation from an achromic melanoma is not possible and the lesion has to but excised for pathology.

Ref. Zalaudek and al, in Color atlas of melanocytic lesions of the skin. Springer Ed, Berlin, 2007