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Updated: Apr 28, 2026

Multimodality Diagnosis of Mesenteric Ischemia
Published on: July 21, 2023
Huge Varicose Inferior Mesenteric Vein: an Unanticipated (99m) Tc-labeled Red Blood Cell Scintigraphy Finding
Samaneh Hoseinzadeh1, Babak Shafiei1, Mohamadtaghi Salehian2
1Department of Nuclear Medicine, Taleghani Hospital, Shaheed Beheshti Medical University, Tehran, 19857-17413 Iran.
Abstract:
Ectopic varices (EcV) are enlarged portosystemic venous collaterals, which usually develop secondary to portal hypertension (PHT). Mesocaval collateral vessels are unusual pathways to decompress the portal system. Here we report the case of a huge varicose inferior mesenteric vein (IMV) that drained into perirectal collateral veins, demonstrated by (99m)Tc-labeled red blood cell (RBC) scintigraphy performed for lower gastrointestinal (GI) bleeding in a 14-year-old girl. This case illustrates the crucial role of (99m)Tc-labeled RBC scintigraphy for the diagnosis of rare ectopic lower GI varices.
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