Abstract
Abstract Background Gastrointestinal stromal tumors are mesenchymal in origin, being derived from the interstitial cells of Cajal. These can be found anywhere in the gastrointestinal tract and are commonly found in the stomach followed by the small bowel. Gastrointestinal stromal tumors are usually asymptomatic and are often found incidentally. Chronic bleeding is one of the most common presentation. Gastrointestinal stromal tumors presenting with massive gastro intestinal haemorrhage and mimicking arteriovenous malformation on radiology are rare with only few cases reported. Methods Herein we present such a case of a 45-year-old gentleman with massive gastro intestinal bleeding. At presentation, patient was in congestive heart failure due to severe anaemia with a hemoglobin of 2.9g/dL. CECT Angiography localised the bleed to be from a jejunal mass lesion with radiological features consistent with those of arteriovenous malformation. Patient underwent laparoscopy assisted resection and anastomosis. Results Histopathology examination revealed a low risk jejunal gastrointestinal stromal tumor with no evidence of arteriovenous malformation. The mass was removed completely and the patient was discharged on 5th post-operative day. Patient was followed up in the out-patient department and was found to be doing well. Conclusions Gastrointestinal stromal tumors though relatively uncommon should be kept as important differentials for acute torrential gastrointestinal bleeding. It is highlighted that a presentation of gastrointestinal stromal tumors similar to that of arteriovenous malformations on cross sectional imaging should be kept in mind. The present case is reported in hope of expanding the knowledge of a rare occurrence, its aetiology, clinical impact and treatment.
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