In 1987 a clinicopathologic study by the Armed Forces Institute of Pathology (AFIP) of rare sweat gland tumors, termed aggressive digital papillary adenoma and adenocarcinoma, was published.

Aggressive Digital Papillary Adenocarcinoma (DPA) is a rare type of skin cancer that originates from sweat glands, primarily affecting the fingers and toes. This tumor is known for its potential ...