Annals of Coloproctology

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Case Reports

Benign bowel disease

A case report of an unexpected colonic polyp: cavernous hemangioma: Miguel Mascarenhas, Rui Morais, Regina Teixeira, Guilherme Macedo; Ann Coloproctol. 2023;39(3):280-282. Published online July 13, 2021; DOI: https://doi.org/10.3393/ac.2020.00535.0076

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Cavernous hemangiomas of the colon are rare, benign vascular lesions, and the site most commonly affected is the rectosigmoid junction. Surgical treatment is recommended for large diffuse lesions but in the presence of pedunculated lesions, endoscopic resection should be preferred if possible. We report a case of a 65-year-old man referred for colonoscopy after positive fecal occult blood, that revealed at the level of the sigmoid colon, a wide base pedunculated polyp (35 mm) occupying more than half of the lumen, with the covering mucosa with a vinous appearance. In order to remove the lesion, a detachable snare was placed and polypectomy was performed. During the procedure, the detachable snare was cut with active bleeding, controlled after clip placement and diluted adrenaline injection. Afterwards, histology revealed a polypoid lesion with a hyperplastic mucosa and submucosal plane expanded by numerous thick-walled vessels in the context of a cavernous colonic hemangioma.

Citations

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Early and accurate diagnosis and selection of appropriate treatment plans are crucial for patients with gastrointestinal hemangiomas
Zhou Chen, Liang Wang, Peng-Jie Yu
World Journal of Gastrointestinal Surgery.2025;[Epub] CrossRef
Endoscopic Resection of a Cavernous Hemangioma in the Sigmoid Colon: A Case Report
Noora Al-Khater, Mohamed Mohamed, Afra Juma, Faisal Abubaker, Sameer Ansari
Gastro Hep Advances.2024; 3(3): 396. CrossRef
Anorectal hemangioma, a rare cause of lower gastrointestinal bleeding, treated with selective embolization: A case report
Barbora Pospisilova, Jaromir Frydrych, Antonin Krajina, Julius Örhalmi, Ivana M Kajzrlikova, Petr Vitek
World Journal of Gastrointestinal Surgery.2024; 16(8): 2735. CrossRef
Spontaneous colonic perforation of a cavernous hemangioma during colonoscopy
María Florencia Álvarez, Domingo Cesar Balderramo, Florencia Defanti, Mariano Antonio Higa
Gastroenterología y Hepatología.2022; 45: 95. CrossRef
A giant hemangioma of the sigmoid colon as a cause of lower gastrointestinal bleeding in a young man
Lucas Fair, Benjamin Gough, Adatee Oknokwo, Ronney Stadler
Baylor University Medical Center Proceedings.2022; 35(6): 852. CrossRef

Hormonal Treatment of Intestinal Cavernous Hemangioma Report of 2 cases.: Ahn, Byeong Yul , Lee, Dong Hee , Kim, Hee Cheol , Kang, Gyeong Hoon , Kim, Jin Cheon; J Korean Soc Coloproctol. 2000;16(1):34-36.

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Abstract PDF: Cavernous hemangioma in the gastrointestinal tract is a rare benign vascular lesion, which can produce massive or persistent blood loss. Herein, we present two cases of gastrointestinal hemangiomas that could not be resected completely and were treated with estrogen because of multiple involvement of the gastrointestinal tract and viscera, including the anal canal. A 49-year-old male presented with unknown chronic melena and anemia. Preoperative work-up could not reveal the definite cause of bleeding. During exploration, hemangioma scattered in whole small bowel was identified and feeding vessel ligation was performed. Postoperative recurrent bleedings were controlled by additional estrogen therapy. A 25-year-old young woman had suffered from painless anal bleeding with subsequent anemia since her youth. She had diffuse carvernous hemangioma in the large intestine involving the anal canal and uterus. Total proctocolectomy and ileal-pouch anal anastomosis was performed, however the uterine hemangioma was left intact because the patient wanted to be pregnant. She was also treated with estrogen, postoperatively. It is suggested that estrogen may be a good alternative treatment modality for gastrointestinal hemangioma that can not be removed completely.

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