Skin Nodule Found on Back of 47-Year-Old Patient

Poll

A 47-year-old man presents with a skin nodule on his upper back, and a biopsy is performed. What is your diagnosis?

A 47-year-old man presents with a skin nodule on his upper back, and a biopsy is performed.

Based on the image shown, what is your diagnosis?

A. Lymphoma
B. Neurotropic melanoma
C. Adenoid cystic carcinoma
D. Granular cell tumor