Source:http://linkedlifedata.com/resource/umls/id/C0206673
MSH: A benign tumor of the sweat glands which is usually multiple and results from malformation of sweat ducts. It is uncommon and more common in females than in males. It is most likely to appear at adolescence, and further lesions may develop during adult life. It does not appear to be hereditary. (Rook et al., Textbook of Dermatology, 4th ed, pp2407-8),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.