Melanoma

DermDx: Suspicious Lesion on Back

A 59-year-old woman presents for evaluation of a suspicious lesion on her back. She has fair skin, blue eyes, and red hair. What is the most likely diagnosis?

Growing Patch on Side of Nose

A 64-year-old man with a history of numerous nonmelanoma skin cancers presents with a lesion on the left side of his nose that was first noticed about 6 months ago and is slowly growing. Can you make the diagnosis?

DermDx: Large Growths on Head and Arm

A 38-year-old man is referred for evaluation of a 1.5-cm, tender, nonhealing lesion located on the back of his head. The lesion was misdiagnosed in the ED as an abscess; when lanced, ED clinicians discovered a solid mass. What is the best diagnosis for this case?

DermDx: Large Growth on Back

A 74-year-old man is referred for evaluation of a growth on his back, which was first noted approximately 3 months ago. What is the best diagnosis for this lesion?

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