Annals of Coloproctology

Case Reports

Benign proctology,Rare disease & stoma

Imaging Diagnosis of Perianal Leiomyoma: A Case Report: Enrique González-Díaz, Blanca García Cengotitabengoa, Ana Belen Dominguez Carbajo, Camino Fernández Fernández, A. Fernández Corona; Ann Coloproctol. 2021;37(Suppl 1):S58-S62. Published online June 9, 2021; DOI: https://doi.org/10.3393/ac.2020.10.13.1

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A leiomyoma is a benign mesenchymal neoplasm that usually develops where smooth muscle is present. In this report, we present the case of a 75-year-old woman who sought medical attention due to pelvic organ prolapse and urinary incontinence, and without defecatory symptoms. Both pelvic floor ultrasound and magnetic resonance imaging (MRI) examination showed a well-defined mass in the ischioanal fossa, eventually diagnosed as a perianal leiomyoma. It is considered a rare entity because of its location involving the anal sphincter and clinical features. We describe the ultrasonographic and MRI findings of this perianal leiomyoma, together with differential diagnoses and immunohistochemical characterization.

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Angioleiomyoma originating from the ano-rectal wall presenting as a perineal mass: a case report
Sayali Valiyeva, Elena Cicerone, Elisabetta Iacobelli, Gina R. Quaglione, Renato Pietroletti
International Journal of Colorectal Disease.2025;[Epub] CrossRef
A Case of Rectal Leiomyoma with Myxoid Degeneration
玉婷施
Advances in Clinical Medicine.2025; 15(03): 399. CrossRef

A Case of Endoscopic Resection of a Colonic Semipedunculated Leiomyoma: Seung Hwa Lee, Gun Yoong Huh, Yoo Seock Cheong; J Korean Soc Coloproctol. 2011;27(4):215-219. Published online August 31, 2011; DOI: https://doi.org/10.3393/jksc.2011.27.4.215

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During colonoscopic examination, epithelial lesions, such as adenomatous polyps, are frequently encountered, unlike subepithelial lesions, such as leiomyomas, which are uncommon. A colonic leiomyoma is a rare tumor, originating either from the mucularis mucosa or from the proper muscle, and accounts for only 3% of all gastrointestinal leiomyomas. Colonic leiomyomas are usually benign and asymptomatic. However, they can sometimes cause symptoms, ie, abdominal pain, intestinal obstruction, hemorrhage, and perforation. The traditional management option for a colonic leiomyoma is surgical resection. Recently, with the development of endoscopy devices and techniques, the endoscopic resection has been considered as an alternative treatment option. We experienced a patient with a leiomyoma that was diagnosed during colonoscopy. The leiomyoma was resected endoscopically without complication. We report this case with a review of the literature.

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Citations to this article as recorded by

Ascending Colon Leiomyoma: A Case Report of a Uncommon Case
Abdulwahed A. Alotay
Journal of Pharmacy and Bioallied Sciences.2024; 16(Suppl 3): S3002. CrossRef
Descending Colon Leiomyoma: A Case Report and Literature Review
Norah I Alabdulaaly , Bader D Alanazi , Khalid A Albassam , Nada N Binkhashlan , Saad T Alqahtani , Nahla S Arab, Fatima A Badahdah , Saeed S Albalawi
Cureus.2024;[Epub] CrossRef
An Unusual Diagnosis of Rectosigmoid Leiomyoma in an Adult: A Rare Case Report
Karam Karam, Houssein Chebbo, Sarah Saleh, Sarah Jalloul, Johny Salem, Karim Al Halabi, Elias Fiani
Clinical Medicine Insights: Case Reports.2024;[Epub] CrossRef
Spontaneous Perforation of Maternal Small Bowel Leiomyoma during the Third Trimester of Pregnancy
In Hye Kim, Hyeon Jin Kim, So Hee Kim, Eun Hee Yu, Sul Lee, Seung Chul Kim
Perinatology.2023; 34(1): 41. CrossRef
Colonic Leiomyoma: A Case Report of an Uncommon Endoscopic Finding
Cristina Silva, José Mendes, Amélia Gaspar, Filipe Leal, Rui Almeida
Cureus.2023;[Epub] CrossRef
Leiomyoma in the Transverse Colon With Resection
James R Pellegrini, Jose R Russe, Rezwan Munshi, Rebecca Smoller, Nausheer Khan
Cureus.2021;[Epub] CrossRef
Colon Leiomyoma Diagnosed and Treated with Endoscopy
Ha Young Oh
The Korean Journal of Medicine.2020; 95(5): 336. CrossRef
A case of surgical complete transanal resection of rectal gastrointestinal stromal tumor diagnosed by endoscopic ultrasonography and endoscopic ultrasonography-guided fine needle aspiration
Koichi SOGA, Kenji ITANI
Choonpa Igaku.2019; 46(1): 71. CrossRef
Rectal Leiomyoma, a Rare Entity
Tagore Sunkara, Eric Omar Then, Andrea Culliford, Vinaya Gaduputi
Clinics and Practice.2018; 8(2): 1053. CrossRef
Incidental Subepithelial Sigmoid Colon Lesion
Mohamed Naem, Peter P. Stanich, Samer El-Dika
Clinical Gastroenterology and Hepatology.2015; 13(1): A32. CrossRef
Colonoscopy procedural skills and training for new beginners
Seung-Hwa Lee
World Journal of Gastroenterology.2014; 20(45): 16984. CrossRef

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