BENIGN LESIONS MASQUERADING AS MALIGNANT MELANOMA; HOW TO RECOGNIZE THE IMPOSTER
DESMOPLASTIC SPITZ NEVUSHistologic Features
Usually intradermal, poorly-circumscribed growth
Large epithelioid or spindle melanocytes
Collagen-rich stroma
Cells show maturation and infiltrate collagen singly
Differential diagnosis:
Desmoplastic malignant melanoma
Cellular blue nevus