Diagnosis: Lentiginous Melanoma
Description: Atypical intraepidermal melanocytic proliferation with nested and lentiginous pattern.
Clinical Features: Macule brown
Pathology/Site Features: Melanoma nests
Sex: M
Age: 79
Submitted By: Ian McColl
Differential DiagnosisHistory: 4412dh Elderly male with this lesion on his upper arm that he was not aware of. Unusual dermatoscopic pattern of multiple dots but no obvious pigment network. Large shave biopsy taken. DD Pigmented IEC, regressed seb k Exclude melanocytic lesion.
Description: lentiginous melanoma
Comments: Atypical intraepidermal melanocytic proliferation with nested and lentiginous pattern. Focal upward spread.