2-step pattern analysis algorithm for the diagnosis of skin lesions: Step 1 (benign lesions)

IDN: intradermal nevi; DF: dermatofibroma; CCA: clear cell acanthoma; XG: xanthogranuloma; PG: pyogenic granuloma.

Reproduced with permission from Drs. Ashfaq Marghoob and Natalia Jaimes.

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