Case 1

A 65-year-old, fair-skinned man presents with a 1-cm pearly, pink papule on his right chin that first appeared 1 year ago. The lesion has gradually been increasing in size and is firm, nonpainful, and nonpruritic. On examination, areas in the papule are identified that contain thin blood vessels arranged radially around a central blood vessel. The patient is taking metformin for diabetes and lisinopril for hypertension, and he has a 10-pack-per-year history of cigarette smoking.  He is a retired construction worker.

Can you diagnose the condition in Case 1?

A. Sebaceous hyperplasia
B. Cutaneous B-cell lymphoma
C. Basal cell carcinoma
D. Intradermal melanocytic nevus

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