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Colonic Dieulafoy’s Lesion: An Uncommon Cause of Lower Gastrointestinal Bleeding
Lesão de Dieulafoy do Cólon: Uma Causa Rara de Hemorragia Digestiva Baixa
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Ana Teresa Mendes Teixeira [anateresa.mteixeira@gmail.com]
Department of Radiology, Unidade Local de Saúde Estuário do Tejo, Hospital Vila Franca de Xira, Vila Franca de Xira, Portugal
Estrada Carlos Lima Costa Nº2, 2600-009 Vila Franca de Xira
Abstract
Dieulafoy’s lesion is a rare but potentially fatal cause of gastrointestinal bleeding, typically located in the stomach, with even rarer extragastric locations, as in the colon. Although endoscopy is the gold standard for diagnosis, it can be challenging due to the lesion’s small size, intermittent bleeding, or inaccessible location. In such cases, contrast-enhanced computed tomography has demonstrated a key role in identifying the source of bleeding and localizing the lesion, enabling prompt and effective endoscopic treatment, as illustrated in the present case. The diagnosis of Dieulafoy’s lesion remains challenging and requires high suspicion and close multidisciplinary collaboration.
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