Recurrent amelanotic lentigo maligna melanoma: a case report1
Amelanotic melanoma occurs in about 2% of melanoma patients. It displays a slight male predominance and appears in the head and neck area. The average age of onset is about 47 years. Amelanotic lentigo maligna melanoma (ALMM) is a rare variety of amelanotic melanoma. A profile of the patient at risk for ALMM is offered, based on this case and published reports. ALMM shows a marked female predominance with an average age of onset of 62. Sites of involvement include the face, upper body, and upper extremities. Histologic evaluation of persistent pruritic erythematous lesions is suggested in patients fitting the ALMM risk profile.