Giant sigmoid lipoma covered by a villous adenoma

Capra, F; Zorcolo, Luigi; Scintu, Francesco; Mascia, R.; Casula, G.

doi:10.1007/s00384-005-0754-1

Cited by 9 publications

(7 citation statements)

References 11 publications

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“…In addition, there were several similar cases with adenomas or pre-malignant lesions [11]. The mechanism behind this is unclear but could be due to pressure-related trauma from stools or recurrent intussusceptions leading to hyperplastic and adenomatous changes [12]. In our patient, a preoperative biopsy was performed to accurately diagnose the lesion and rule out the malignancy.…”

Section: Discussionmentioning

confidence: 83%

A Rare Case of Colo-Colonic Intussusception Caused by Colonic Submucosal Lipoma

Busa¹,

Bandaru²,

Mahat³

et al. 2022

Cureus

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Unlike in infancy, where intussusception is an abdominal emergency, diagnosis of intussusception could be tricky in adults as most of these patients present sub-acutely with vague abdominal symptoms. Early diagnosis could impact these patients significantly in decreasing morbidity and mortality along with reduction in healthcare expenses. Colo-colonic intussusception is rare and accounts for less than 20% of adult intussusception. More than 50% of adult intussusception is caused by mass-like lesions. In such cases, this could be an early presentation of malignant intestinal lesions. Abdominal CT is mandatory in all adult patients; when combined with ultrasound, it has 95.5% accuracy of pre-operative diagnosis. Here we report a case of a 42-year-old female who presented with a two-month history of intermittent abdominal pain; a CT abdomen revealed colo-colonic intussusception which was initially missed on prior imaging. We discuss the importance of considering intussusception as a rare differential of abdominal pain, the need for early diagnosis, and the role of colonoscopy and non-surgical management in adults.

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Section: Discussionmentioning

confidence: 83%

A Rare Case of Colo-Colonic Intussusception Caused by Colonic Submucosal Lipoma

Busa¹,

Bandaru²,

Mahat³

et al. 2022

Cureus

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“…ESD requires advanced endoscopic skills compared to other endoscopic treatments; however, it allows precise dissection of the submucosa between the muscle layer and the lipoma since the incision line is directly visible. 3 Although ESD of colorectal lipomas has been reported, there are only a few reports of lipomas covering adenoma, 4,5 and there is lack of literature on ESD of lipomas with overlying adenoma. In our patient, we concluded that the adenoma was located on top of the lipoma based on CT and endoscopic images, which we then resected en bloc using ESD.…”

Section: Discussionmentioning

confidence: 99%

Successful endoscopic submucosal dissection of colorectal lipoma with an overlying adenoma

Furuta,

Omoto,

Inoue

et al. 2023

JGH Open

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We report the case of a 65‐year‐old woman whose colonoscopy revealed a soft submucosal tumor approximately 7 cm in diameter in the ascending colon with an overlying flat lesion. The tumor was diagnosed as a lipoma with an overlying adenoma. Endoscopic submucosal dissection (ESD) was performed. Pathological examination revealed that the epithelium was a low‐grade tubulovillous adenoma, while the submucosal yellow tumor was a lipoma. ESD appears to be a safe and effective treatment for colorectal lipomas overlying lipomas with colorectal adenomas.

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“…Capra et al [ 18 ] reported an adenoma on a lipoma in the left colon, suggesting that constant trauma caused by stools on the colonic mucosa could be the cause of this potential malignancy. Such a hypothesis is be supported in our case, as the lesion was in the right colon, where there are no fully formed stools.…”

Section: Discussionmentioning

confidence: 99%

A Sessile Serrated Lesion Overlying a Submucosal Colonic Lipoma: An Endoscopic Rarity Identified Using Artificial Intelligence

Facanali

Sobrado

et al. 2023

Am J Case Rep

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Patient: Female, 60-year-old Final Diagnosis: Sessile serrated lesion overlying submucosal colonic lipoma Symptoms: She was completely asymptomatic Clinical Procedure: Fecal immunochemical test (FIT) • colonoscopy Specialty: Gastroenterology and Hepatology Objective: Rare coexistence of disease or pathology Background: Lipomas are benign, slow-growing mesenchymal neoplasms, more prevalent in females, with a peak incidence in the fifth to sixth decades of life. Generally, due to their low clinical relevance, they receive little attention in the literature. Uncommon in the colon, lipomas are most often identified as an incidentaloma in asymptomatic patients during colonoscopy, and overlapping with epithelial lesions is a rare finding. Serrated polyps used to be considered as hyperplastic polyps without any malignant potential; however, currently, the serrated pathway accounts for one-third of all colorectal cancers. Here, we describe a rare case of a sessile serrated lesion on a submucosal lipoma identified with the aid of artificial intelligence. Case Report: A 60-year-old woman underwent screening colonoscopy for colorectal cancer after a positive fecal immunochemical test. A high-definition colonoscopy with the aid of artificial intelligence (Fujifilm CAD EYE) was performed. A flat lesion at the right colon was diagnosed with white-light endoscopy simultaneously identified by artificial intelligence, which classified the lesion as hyperplastic. Resection was performed through mucosectomy, and a sign of naked fat was observed at the base of the resected lesion. Histopathology of the specimen characterized a submucosal lipoma associated with a sessile serrated lesion. Conclusions: We describe a rare case of sessile serrated lesion on a colon lipoma, identified with the aid of artificial intelligence. We carried out a brief literature review and discussed the main findings and aspects related to the literature.

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Giant sigmoid lipoma covered by a villous adenoma

Cited by 9 publications

References 11 publications

A Rare Case of Colo-Colonic Intussusception Caused by Colonic Submucosal Lipoma

A Rare Case of Colo-Colonic Intussusception Caused by Colonic Submucosal Lipoma

Successful endoscopic submucosal dissection of colorectal lipoma with an overlying adenoma

A Sessile Serrated Lesion Overlying a Submucosal Colonic Lipoma: An Endoscopic Rarity Identified Using Artificial Intelligence

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