Table of Conents

BENIGN LESIONS MASQUERADING AS MALIGNANT MELANOMA; HOW TO RECOGNIZE THE IMPOSTER


PAGETOID SPREAD IN ACRAL MELANOCYTIC LESIONS

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  Benign Lesions Malignant Melanoma
Mild pagetoid spread (<5 cells) above basal layer 32% 10%
Moderate pagetoid spread (5-15 cells) 7% 60%
Severe spread (>20 cells) 0% 30%

REFERENCE:

Boyd, et al. J Am Acad Dermatol 31:740-5, 1994