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Colonic Mucosal prolapse associated with diverticulosis

Tibor Karácsony, Judit Joó, Lajos Berczi, András Antal
The authors present a case of a 48 year-old man, who was diagnosed with several brownish sigmoid polyps of 1-2 cm size and diverticulosis on colonoscopy. Subsequently, laparoscopic sigmoid resection was carried out due to lower gastrointestinal bleeding. Histological examination revealed diverticulosis associated with polyposis. This rare entity is known in the literature as prolapse-type inflammatory polyp, which is a type of mucosal prolapse syndrome. The brownish discolouration was caused by hemosiderin deposition...
October 2011: Magyar Sebészet
M R Ambrosio, B J Rocca, A Ginori, A Barone, M Onorati, S Lazzi
Colonic muco-submucosal elongated polyp is a rare entity (0.39% in an endoscopic polypectomy series). It is an elongated drumstick-shaped lesion characterized by oedematous, loose connective tissue with a dense submucosal layer showing dilation of blood and lymphatic vessels. First described as a polypoid lesion associated with diverticular disease of the sigmoid colon, it was histologically characterized as a separate entity by Kelly in 1991. In that study, the author reported eight cases in which a red or brown mucosal protrusion or polyp were associated with diverticular disease, and described the syndrome as "polypoid prolapsing mucosal folds in diverticular disease"...
February 2011: Pathologica
Huihui Ye, Mariela Losada, A Brian West
Diverticular disease affects upwards of 50% of the population over the age of 60 years in Western countries and is becoming more common as the population ages. Studies from the 1970s and 1980s related its occurrence to the use of low-fiber diets and to the prolonged colonic transit time and increased intraluminal pressure associated with low-volume stools. Pulsion diverticula (pseudodiverticula) emerge through the thickened circular layer of the muscularis propria of the left colon at points of penetration of the vasa recta that supply the submucosa and mucosa...
March 2005: Advances in Anatomic Pathology
S Gore, N A Shepherd, S P Wilkinson
In this paper we describe an endoscopic appearance of the sigmoid colon characterised by mucosal swelling, erythema and haemorrhage strictly localised to the crescentic mucosal folds. In a 5-year period these changes were seen in 34 (1.42%) of 2380 colonoscopies and fibreoptic sigmoidoscopies. The majority of patients were middle-aged or elderly. Diverticular disease was present in most (82%) but the abnormalities were confined to the crescentic mucosal folds with sparing of the diverticular orifices. The majority of patients presented with a history of bleeding per anum...
June 1992: International Journal of Colorectal Disease
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