Melanoma and Melanoma In-Situ Diagnosis after Excision of Atypical Intraepidermal Melanocytic Proliferation (AIMP): A Retrospective Cross-Sectional Analysis

- Factors associated with malignancy diagnosis after excision of atypical intraepidermal melanocytic proliferation include incomplete sampling (lateral/deep margin), head/neck location, and age >60. Ambiguous melanocytic biopsy designations should be avoided, but, when present, warrant clinicopathologic correlation, with malignancy risk factors prompting consideration to excise as melanoma in-situ.

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