<prompt> glomus tumor is seenRetroperitoniumSoft tissueDistal poion of digitsProximal poion of digits  <response>: Glomus tumor is biologically a benign tumor that arises from the modified smooth muscle cells of the glomous body Glomus body is a specialised aeriovenous anastomosis that is involved in thermoregulation It is a often painful tumor Glomus tumor are most commonly found in distal poion of the digits especially under fingernails Excision is curative Refer robbins 9e p517 