Diagnosis: Lentiginous Melanoma
Description: Series of brown dots No network
Clinical Features: Macule brown
Pathology/Site Features: Dermatoscopy
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.