Superficial spreading melanoma in situ developed on a melanocytic nevus

Superficial spreading melanoma in situ developed

on a melanocytic nevus.

F. Peral Rubio, M.D.Department of Dermatology

Hospital Universitario Virgen MacarenaSeville, Spain

A 50 -years-old women.The patient was referred to us for

the assessment of a pigmented lesion on the cheek 20 years previously, which had changed in the last year.

Superficial spreading melanoma in situ developed on a melanocytic nevus.

Dermoscopy revealed:Multi-component pattern with: Atypical reticular pattern (blue) Irregular dots and globules with peripheral black

dots/globules (orange arrow) Broad network (green arrow). Scar-like depigmentation (white arrow) Irregular streaks (yellow arrow)

Superficial spreading melanoma in situ developed on a melanocytic nevus.

Superficial spreading melanoma in situ developed on a melanocytic nevus.

Pathology revealed a superficial spreading melanoma (SSM) in situ developed on a melanocytic nevus.

Superficial spreading melanoma in situ developed

on a melanocytic nevus.

F. Peral Rubio, M.D.Department of Dermatology

Hospital Universitario Virgen MacarenaSeville, Spain