Primary colonic glomus tumours are exceptionally rare and little is known about their natural history. Glomus tumours are mesench-ymal tumours of pericytic origin, derived from the glomus body. They occur most commonly as benign subcutaneous lesions of peripheral soft tissue; however, they can infrequently arise at visceral sites including the stomach, pancreas, liver, lung, intestines and genitourinary tract.
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