Monarch Disease Ontology term MONDO_0006738 (eccrine acrospiroma) is a rare cutaneous tumor of eccrine sweat gland origin. It is most commonly found on the extremities and is usually benign. There is no indication that heredity or external agents cause these tumors. Also known as: eccrine hidradenoma, eccrine hidradenoma of skin, eccrine poroma, poroma, poroma (acrospiroma).