Melanoma or Non-Melanoma Skin Cancer?
Patient Presentation A 65-year-old woman presented with an enlarging lesion on her right forearm. She experienced no symptoms from this area on her arm. The patient was otherwise healthy with no significant medical or surgical history. Physical examination revealed a 3-cm by 4-cm hypopigmented patch with several hyperpigmented plaques dispersed within. In addition, local ulceration was identified within the lesion. No cervical, supraclavicular, axillary or epitrochlear lymphadenopathy was noted. What’s Your Diagnosis? (Turn to page 69 for an answer and for more details about the condition and this case.) About this Condition The diagnosis of melanoma is often apparent; however, detecting atypical melanomas may present a clinical challenge. In this case, this was originally thought to represent squamous cell carcinoma. Without the hallmark pigmented lesion of melanoma, cases such as this can be mistaken for a non-melanoma skin cancer or even a non-cancerous condition altogether, which c