Annals of Coloproctology

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Case Reports

A Case of Primary Ovarian Lymphoma Presenting as a Rectal Submucosal Tumor: Il Soon Jung, Seul Young Kim, Kyu Seup Kim, Kwang Hun Ko, Jae Kyu Sung, Hyun Young Jeong, Ji Yeoun Kim, Hee Seok Moon; J Korean Soc Coloproctol. 2012;28(2):111-115. Published online April 30, 2012; DOI: https://doi.org/10.3393/jksc.2012.28.2.111

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Primary ovarian lymphoma is a rare malignancy whose symptoms or signs are usually nonspecific. In this article, we report a very rare case initially presenting as a rectal submucosal-tumor-like lesion with a defecation disturbance caused by primary ovarian lymphoma with bilateral involvement. A 42-year-old woman visited chungnam national university hospital complaining of persistent defecation disturbance for 6 months. Colonoscopy demonstrated compression of the rectum by an extrinsic mass mimicking a rectal submucosal tumor. Magnetic resonance imaging detected bilateral ovarian tumors, 9.3 cm and 5.4 cm each in diameter, compressing the rectum without enlarged lymph nodes. The diagnosis was established following a bilateral adnexectomy and histological studies of the excised tissue. The tumor was classified as a diffuse large B-cell lymphoma. The patient was prescribed six cycles of standard CHOP (cyclophosphamide, hydroxydaunorubicin, vincristine, prednisolone) regimen and is presently on treatment.

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Preoperative diagnosis of primary ovarian lymphoma: a case report and a decade of insights
Wei Liu, Houyun Xu, Jibo Hu, Xiping Yu, Junjie Zhou, Hongjie Hu
Frontiers in Oncology.2024;[Epub] CrossRef
Rectal follicular lymphoma
F. Castro-Poças, T. Araújo, A. Duarte, C. Lopes, M. Mascarenhas-Saraiva
International Journal of Colorectal Disease.2016; 31(2): 479. CrossRef

Recurrent Renal Leiomyosarcoma Mimicking a Colonic Submucosal Tumor: A Case Report: Yun Jeung Kim, Hee Seok Moon, Eaum Seok Lee, Jae Kyu Sung, Hyun Yong Jeong, Ji Yeon Kim, Dae Young Kang; J Korean Soc Coloproctol. 2011;27(5):270-274. Published online October 31, 2011; DOI: https://doi.org/10.3393/jksc.2011.27.5.270

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Abstract PDF

A primary leiomyosarcoma of the kidney is a rare, but highly aggressive, neoplasm, accounting for only 0.1% of all invasive renal tumors. Local or systemic recurrence is common, but a leiomyosarcoma is difficult to diagnose preoperatively. We recently encountered an interesting case of an unusual recurrence of a renal leiomyosarcoma. A 57-year-old woman visited our hospital complaining of lower abdominal pain. Four years previously, she had undergone a left nephrectomy. She had a primary leiomyosarcoma of the kidney that had been misdiagnosed as a renal cell carcinoma. Colonoscopy revealed the presence of a lesion similar to a submucosal tumor in the descending colon. Postoperative pathologic examination confirmed that the mass was a recurrent leiomyosarcoma. We report this unusual case and present a review of the literature.

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A Rare Case of Colonic Leiomyosarcoma in Association with Ulcerative Colitis
Daisuke Akutsu, Yuji Mizokami, Hideo Suzuki, Masahiko Terasaki, Toshiaki Narasaka, Tsuyoshi Kaneko, Hirofumi Matsui, Tsuyoshi Enomoto, Taiki Sato, Ichinosuke Hyodo
Internal Medicine.2016; 55(19): 2799. CrossRef

Original Article

Gastrointestinal Stromal Tumors of the Colon and Rectum.: Paek, Ok Joo , Kim, Young Bae , Oh, Seung Yeop , Suh, Kwang Wook; J Korean Soc Coloproctol. 2009;25(5):318-322.; DOI: https://doi.org/10.3393/jksc.2009.25.5.318

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PURPOSE
This study was designed to review the clinical characteristics of gastrointestinal stromal tumors (GISTs) of the colon and rectum and to evaluate their immunohistochemical and pathologic features based on the current National Institutes of Health criteria.
METHODS
Patient and disease characteristics, pathologic features, surgical or endoscopic management, and clinical outcomes of 11 patients with GISTs diagnosed and primarily treated at our institution between March 1995 and February 2009 were evaluated.
RESULTS
Colorectal GISTs accounted for 4.4% of all GISTs. The primary location was the rectum (8 cases). Four patients had high-risk GISTs, 4 patients had low-risk GISTs, and 3 patients had very low-risk GISTs. All tumors were c-kit positive. Four patients underwent a radical resection, whereas 7 patients underwent an endoscopic resection (n=3) or a transanal excision (n=4). Two high-risk patients without adjuvant Imatinib mesylate therapy developed metastases, but the other high-risk patients with adjuvant Imatinib mesylate therapy didn't.
CONCLUSION
Colorectal GISTs occurred predominantly in the rectum. Because GISTs do not metastasize through the lymphatics, small GISTs that are amenable to local excision or endoscopic resection can be treated by either of these techniques as long as negative microscopic margins are obtained around the primary tumor. Patients with high-risk GISTs should be considered for the use of Imatinib mesylate as adjuvant therapy.

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Transanal endoscopic microsurgery with alternative neoadjuvant imatinib for localized rectal gastrointestinal stromal tumor: a single center experience with long-term surveillance
Xueshan Bai, Weixun Zhou, Yunhao Li, Guole Lin
Surgical Endoscopy.2021; 35(7): 3607. CrossRef
Primary localized rectal/pararectal gastrointestinal stromal tumors: results of surgical and multimodal therapy from the French Sarcoma group
Thanh-Khoa Huynh, Pierre Meeus, Philippe Cassier, Olivier Bouché, Sophie Lardière-Deguelte, Antoine Adenis, Thierry André, Julien Mancini, Olivier Collard, Michael Montemurro, Emmanuelle Bompas, Maria Rios, Nicolas Isambert, Didier Cupissol, Jean-Yves Bla
BMC Cancer.2014;[Epub] CrossRef
Efficacy of Imatinib Mesylate Neoadjuvant Treatment for a Locally Advanced Rectal Gastrointestinal Stromal Tumor
Kyu Jong Yoon, Nam Kyu Kim, Kang Young Lee, Byung Soh Min, Hyuk Hur, Jeonghyun Kang, Sarah Lee
Journal of the Korean Society of Coloproctology.2011; 27(3): 147. CrossRef

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