Posts Tagged ‘atypical nevus’
Evaluation of Longitudinal Melanonychia
HISTORY An 84-year-old woman with a history of melanoma of the left upper back presents with an 11 month h/o left great toe discoloration. Biopsy of left great toe was performed on 08/05/2019. Previous h/o discoloration of the right fifth toe was biopsied and was negative for malignancy. DISCUSSION What is the cause of melanonychia…
Read More
Atypical Nevus – a Melanoma Precursor? Not Exactly
HISTORY A 27-year-old woman presented with many-year history of left cheek nevus. The lesion grew in size and changed in color. Shave biopsy showed a nevus with moderate atypical melanocytic hyperplasia. Residual pigmentation of the nevus and involved histologic margins remained after the biopsy. DISCUSSION Are all atypical melanocytic lesions pre-melanomas? Should dysplastic lesions be…
Read More