Fig. 1From: Glomus tumor of the duodenum: a rare case reportDynamic computed tomography (CT) shows a circumscribed tumor measuring 26 mm in diameter with ulceration in the second portion of the duodenum. a, b On arterial (a) and portal phase (b) of contrast-enhanced CT, the mass reveals significant enhancement. c The mass shows persistent enhancement on the delay phaseBack to article page