The Nurse Is Performing an Assessment on a 65-Year-Old Man

The nurse is performing an assessment on a 65-year-old man.He reports a crusty nodule behind the pinna.It intermittently bleeds and has not healed over the past 6 months.On physical assessment,the nurse finds an ulcerated crusted nodule with an indurated base.The preliminary analysis in this situation is that this:

A) Is most likely a benign sebaceous cyst.
B) Is most likely a keloid.
C) Could be a potential carcinoma, and the patient should be referred for a biopsy.
D) Is a tophus, which is common in the older adult and is a sign of gout.