MedGen

A rare, benign, slow-growing and painless neoplasm of sweat glands. It usually arises in the head and neck. It is characterized by the presence of a mesenchymal chondroid stroma, fibrosis, and epithelial structures. [from NCI]

A benign sweat gland neoplasm usually affecting the lower eyelids and upper cheeks. The lesions are papular and are usually numerous. Morphologically, there are nests, cords, and tubules of epithelial cells present, surrounded by a dense stroma in the reticular dermis. [from NCI]