Annals of Coloproctology

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Case Report

Benign GI diease,Benign diesease & IBD

Ileocolonic intussusception caused by epithelioid leiomyosarcoma of the ileum: a report of case and review of the literature: Han-Gil Kim, Jung Wook Yang, Soon-Chan Hong, Young-Tae Ju, Chi-Young Jeong, Ju-Yeon Kim, Ji-Ho Park, Jin-Kwon Lee, Jae-Myung Kim, Jin-Kyu Cho, Seung-Jin Kwag; Ann Coloproctol. 2022;38(2):176-180. Published online May 28, 2021; DOI: https://doi.org/10.3393/ac.2020.12.08

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Small intestinal malignant tumor accounts for about 3% of all malignant tumors in the gastrointestinal tract, among which 13% are leiomyosarcoma (LMS). In addition, epithelioid LMS is of very rare occurrence. As small intestinal malignant tumors are initially asymptomatic and nonspecific, diagnosis is often delayed, and this can lead to large tumor at the time of detection and lead to intussusception. We observed ileocolonic intussusception in an 80-year-old male patient who was admitted to the hospital with a complaint of abdominal pain and palpable mass on right lower quadrant. The laparoscopic ileocecectomy was performed by the emergency operation because of obstruction. The pathologic examination revealed that the epithelioid LMS developed in the terminal ileum was the leading point of intussusception. To the best of our knowledge, laparoscopic surgery for ileocolonic intussusception with epithelioid LMS has not yet been reported.

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Trends and disparities in mortality due to small intestinal malignancies in the United States: A nationwide analysis from 1999 to 2023
Fan Du, Wenkai Pan, Zhongke Huang
The American Journal of Surgery.2026; 257: 116982. CrossRef
Squamous cell carcinoma of the small intestine: a case report and review of literature
Dandan Wang, Zhe-Xuan Li, Lanlin Hu, Ying Wang, Senlin Xu, Chuan Xu
Frontiers in Oncology.2025;[Epub] CrossRef
Small bowel leiomyosarcoma: a case report and review of the literature
Rebaz O Mohammed, Rawa M Ali, Deari A Ismaeil, Rebaz M Ali, Hemn H Kaka Ali, Karokh F Hamahussein, Omar H G Hawramy, Hiwa O Abdullah, Marwan A Ghafoor, Fahmi H Kakamad
Journal of Surgical Case Reports.2025;[Epub] CrossRef
A rare case report of small bowel leiomyosarcoma with literature review
Qusai Belbaisi, Hamza M A Ghaith, Osama N M Atawneh, Nada Ishti, Khadeeja Nofal, Sami Bannoura, Mohammad Y Al-Qadi
Journal of Surgical Case Reports.2025;[Epub] CrossRef
Ileum intussusception secondary to submucosal liposarcoma in adult：A case report
Hong-wei Yu, Jin-gang Yan, Lei Zheng, Jun-hua Huang
Heliyon.2024; 10(1): e23432. CrossRef
Current landscape of primary small bowel leiomyosarcoma: cases report and a decade of insights
Junjie Zhou, Houyun Xu, Jibo Hu, Qiang Hong, Xiping Yu, Wei Liu, Jiaxin Zhao, Hongjie Hu
Frontiers in Oncology.2024;[Epub] CrossRef

Original Article

Malignant disease,Prognosis and adjuvant therapy

Analysis of the Incidence and Clinical Features of Colorectal Nonadenocarcinoma in Korea: A National Cancer Registry-Based Study: Soomin Nam, Dongwook Kim, Kyuwon Jung, Yoon Jung Choi, Jung Gu Kang; Ann Coloproctol. 2020;36(6):390-397. Published online May 15, 2020; DOI: https://doi.org/10.3393/ac.2020.05.03.2

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Purpose
Although most colorectal malignancies are adenocarcinomas from mucosa, various types of malignant and benign tumors can develop. Due to extremely low incidence, little research has been conducted. The purpose was to assess incidence and compare it according to demographic factors.
Methods
Data from the Korea National Cancer Registry from 2007 to 2016 were used. The crude incidence, age-standard incidence rate (ASR) of colorectal nonadenocarcinomas were calculated.
Results
Over 11 years, there were 267,142 patients with colorectal malignancies. The patients of 14,495 (5.43%) were diagnosed with nonadenocarcinoma. The ASR was 2.52 per 100,000 in men and 1.56 in women. Lesions were classified according to histologic categories; neuroendocrine tumor (NET) was the most common malignancy (10,919 [75.33%]). Nonadenocarcinoma was the most common in 40s and 50s (40 to 49 years, 3,530 [24.35%]; 50 to 59 years, 3,991 [27.53%]). Lymphoma was high (54.46%) in patients in teenagers. Proportion of NET decreased with age and that of carcinoma increased with age. Carcinoma, sarcoma, and lymphoma were more common among men and melanoma was more common among women. The most common site was the rectum (11,066 [76.34%]). Lymphoma occurred more frequently in proximal colon. Melanoma, gastrointestinal stromal tumor, and NET occurred mostly in rectum. A total of 10,155 patients (70.06%) were classified as having localized disease.
Conclusion
This study is meaningful as it is the first study to examine incidence of colorectal nonadenocarcinoma. Differences in incidence of different lesions based on demographic factors were identified. This study will play a role in cancer prevention and diagnosis projects.

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Robot-Assisted Ultra-Low Anterior Resection for Rectal Neuroendocrine Tumors after Severe Perineal Tears: A Case Report
Kenji Baba, Masumi Wada, Naoki Kuroshima, Yuto Hozaka, Daisaku Kamiimabeppu, Masataka Shimonosono, Yota Kawasaki, Ken Sasaki, Michiyo Higashi, Hiroaki Kobayashi, Takaaki Arigami, Takao Ohtsuka
Surgical Case Reports.2025; 11(1): n/a. CrossRef
The efficacy of endoscopic submucosal dissection for 10–20 mm rectal neuroendocrine tumors based on resection margin status
Pei-Rong Xu, Zu-Qiang Liu, Yi-Cheng Tian, Yan-Fang Tan, Meng-Jiang He, Quan-Lin Li, Ping-Hong Zhou, Hao Hu
Surgical Endoscopy.2025; 39(11): 7536. CrossRef
Risk Factor Analysis of Lymph Node Metastasis for Rectal Neuroendocrine Tumors: Who Needs a Radical Resection in Rectal Neuroendocrine Tumors Sized 1–2 cm?
Jin Sun Choi, Min Jung Kim, Rumi Shin, Ji Won Park, Seung Chul Heo, Seung-Yong Jeong, Kyu Joo Park, Seung-Bum Ryoo
Annals of Surgical Oncology.2024; 31(4): 2414. CrossRef
Assessing risk stratification in long-term outcomes of rectal neuroendocrine tumors following endoscopic resection: a multicenter retrospective study
Hyun Jin Lee, Yun Seo, Chang Kyo Oh, Ji Min Lee, Hyun Ho Choi, Tae-Geun Gweon, Sung-Hak Lee, Dae Young Cheung, Jin Il Kim, Soo-Heon Park, Han Hee Lee
Scandinavian Journal of Gastroenterology.2024; 59(7): 868. CrossRef
Oncological outcomes according to the treatment modality based on the size of rectal neuroendocrine tumors: a single-center retrospective study
Jimin Son, In Ja Park, Dong-Hoon Yang, Jisup Kim, Kyoung-Jo Kim, Jeong-Sik Byeon, Seung Mo Hong, Young Il Kim, Jong Beom Kim, Seok-Byung Lim, Chang Sik Yu, Jin Cheon Kim
Surgical Endoscopy.2022; 36(4): 2445. CrossRef
Epidemiology, risk factors, and prevention of colorectal cancer
Kyung Uk Jung, Hyung Ook Kim, Hungdai Kim
Journal of the Korean Medical Association.2022; 65(9): 549. CrossRef
Direction of diagnosis and treatment improvement in colorectal cancer
In Ja Park
Journal of the Korean Medical Association.2022; 65(9): 540. CrossRef
Epidemiology, Risk Factors, and Prevention of Colorectal Cancer-An English Version
Kyung Uk Jung, Hyung Ook Kim, Hungdai Kim
Journal of the Anus, Rectum and Colon.2022; 6(4): 231. CrossRef
Update on Diagnosis and Treatment of Colorectal Cancer
Chan Wook Kim
The Ewha Medical Journal.2022;[Epub] CrossRef
Trends in the Incidence and Survival Rates of Colorectal Signet-Ring Cell Carcinoma in the South Korean Population: Analysis of the Korea Central Cancer Registry Database
Ji-Hoon Kim, Hyunil Kim, Jin Woo Kim, Hee Man Kim
Journal of Clinical Medicine.2021; 10(18): 4258. CrossRef
Primary tumor location (right versus left side of the colon) and resection affect the survival of patients with liver metastases from colonic neuroendocrine carcinoma: a population-based study
Wen Cai, Weiting Ge, Jiawei Zhang, Siyuan Xie, Dehao Wu, Hanguang Hu, Jianshan Mao
Therapeutic Advances in Gastroenterology.2021;[Epub] CrossRef
Colorectal Nonadenocarcinoma in South Korea
Jung Wook Huh
Annals of Coloproctology.2020; 36(6): 359. CrossRef

Case Reports

Primary Undifferentiated Pleomorphic Sarcoma of the Colon Mesentery: Joo Hyun Lee, Dong Baek Kang, Won Cheol Park; Ann Coloproctol. 2019;35(3):152-154. Published online May 31, 2019; DOI: https://doi.org/10.3393/ac.2018.03.11

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An undifferentiated pleomorphic sarcoma (UPS), also known as a malignant fibrous histiocytoma in the past, commonly involves the soft tissue of the extremities and the retroperitoneum. However, a primary UPS of the colon mesentery is very rare. A 69-year-old male patient visited our outpatient department for treatment of an enlarged, palpable mass in the right lower quadrant (RLQ). Computed tomography showed a 15-cm multilobulated, heterogeneous, enhanced mass in the RLQ, which we suspected originated from the colon. He underwent a right hemicolectomy, and the pathologic result was a colon mesenteric UPS. We report a rare case of a primary UPS of the colon mesentery and discuss the characteristics of this neoplasm in reference to the literature.

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A Rare Case of High-Grade Undifferentiated Pleomorphic Sarcoma of the Terminal Ileum in a 40-Year-Old Man: Successful Outcome and Prolonged Survival After Surgical Resection and Adjuvant Chemotherapy
Anusha Manje Gowda, Navkirat Kahlon
Cureus.2025;[Epub] CrossRef
Undifferentiated Pleomorphic Sarcoma of Caecum
Alex Xavier Chakiath, MP Nizamudheen, Bonny Aloysius Joseph, Prashanth Poolakkil
Kerala Surgical Journal.2025; 31(2): 92. CrossRef
Undifferentiated Pleomorphic Sarcoma of the Descending Colon: An Infrequent Occurrence
Pir Abdul Ahad Aziz Qureshi, Shah Zeb, Thordur Tryggvason, Arnar Þórisson
Cureus.2024;[Epub] CrossRef
High-grade undifferentiated pleomorphic sarcoma of the colon with node positivity and literature review of current therapeutic targets and future perspectives
Gogo-Ogute E Ibodeng, Jaime Said, Marcus Kwon, Jennifer Ra, Christopher D Johnson, John J Richards
International Journal of Case Reports and Images.2024; 15(2): 111. CrossRef
Undifferentiated spindle cell sarcoma at the anastomosis after ileocecal resection for colon cancer: A case report
Nao Kitasaki, Masatoshi Kochi, Marino Teshima, Masataka Nakagawa, Kazuhiro Toyota
International Journal of Surgery Case Reports.2024;[Epub] CrossRef
Primary Undifferentiated Pleomorphic Sarcoma of the Rectum
Rayees Ahmad Dar, Rauf Ahmad Wani, Fazl Qadir Parray, Zubaida Rasool
Indian Journal of Surgery.2023; 85(5): 1263. CrossRef
Undifferentiated high-grade pleomorphic sarcoma of the colon: a rare case report and literature review
Xu Han, Linxian Zhao, Yu Mu, Guoliang Liu, Guohong Zhao, Hongyu He, Shu Wang, Jiannan Li
BMC Gastroenterology.2022;[Epub] CrossRef
68Ga-FAPI Versus 18F-FDG PET/CT in Recurrent Undifferentiated Pleomorphic Sarcoma of Colon Mesentery
Linqi Zhang, Zhidong Liu, Shuqin Jiang, Qiao He, Rusen Zhang
Clinical Nuclear Medicine.2022; 47(10): e651. CrossRef
Surgical management of primary undifferentiated pleomorphic sarcoma of the rectum: a case report and review of the literature
Keita Kodera, Masato Hoshino, Sumika Takahashi, Suguru Hidaka, Momoko Kogo, Ryosuke Hashizume, Tomonori Imakita, Mamoru Ishiyama, Masaichi Ogawa, Ken Eto
World Journal of Surgical Oncology.2022;[Epub] CrossRef
Primary undifferentiated pleomorphic sarcoma of the jejunal mesentery with a complicated course: A case report
Jochen Jure, Marc E Vuylsteke
Archives of Community Medicine and Public Health.2022; 8(2): 052. CrossRef
Surgical resection of undifferentiated pleomorphic sarcoma (UPS) with jejunal perforation, a suspected case of metastasis of lung cancer
Ryotaro Eto, Isamu Hoshino, Nobuhiro Takiguchi, Toru Tonooka, Hisashi Gunji, Naoki Kuwayama, Itaru Sonoda, Makiko Itami, Masayuki Otsuka, Yoshihiro Nabeya
Clinical Journal of Gastroenterology.2021; 14(5): 1386. CrossRef
Ultrasound and contrast enhanced CT imaging of a colon mesentery leiomyosarcoma
Peter Obel Otto, Martina K. Loft, Peter Grimm, Søren Rafael Rafaelsen, Malene Roland V. Pedersen
European Journal of Radiology Open.2021; 8: 100376. CrossRef

Primary Extrauterine Endometrial Stromal Sarcoma in the Sigmoid Colon: Hyun-Jin Son, Joo-Heon Kim, Dong-Wook Kang, Hye-Kyung Lee, Mee-Ja Park, Seung Yun Lee; Ann Coloproctol. 2015;31(2):68-73. Published online April 30, 2015; DOI: https://doi.org/10.3393/ac.2015.31.2.68

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An endometrial stromal sarcoma (ESS) is an uncommon uterine neoplasm, and its primary occurrence in the intestine as an extrauterine ESS (EESS) is exceedingly rare. We hereby report a primary EESS arising in the sigmoid colon with a review of the literature. A 52-year-old woman presented with bloody stool and underwent a colon fiberscopy, which revealed a fungating mass obstructing the lumen at the distal sigmoid. A laparoscopic low anterior resection was performed, and an umbilicated polypoid mass was identified; on section, it had infiltrated the mesocolic fat and measured 3.8 cm × 2.5 cm. The tumor showed geographic sheets or nests composed of relatively monotonous stromal cells, expansion or infiltration to the proper muscle and mesocolic fat, and extensive lymphovascular invasion and metastasis to regional lymph nodes and the pelvic peritoneum. The tumor cells were strongly and diffusely immunoreactive for CD10, but negative for c-kit, CD34, and Dog1. Two months later, a hysterectomy with a bilateral salpingo-oophorectomy was performed, and no evidence of an ESS was found in the uterus.

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Intestinal and liver involvement by endometrial stromal sarcoma: Expanding the differential diagnosis of mesenchymal tumors involving the GI tract
Yujie Zhang, Saman S. Karimi, Domenika Ortiz Requena, Armen Khararjian, Tom Z. Liang, Chen Mayer, Jacqueline Birkness-Gartman, Tatianna Larman, Elizabeth Anne Montgomery, Lysandra Voltaggio
Human Pathology.2025; 158: 105784. CrossRef
Primary Low-Grade Extrauterine Endometrial Stromal Sarcoma with Sex Cord Elements Involving the Omentum
Chikkanaganna P. Manjula, V. Suguna Beluru, B. K. Raju, Naina Mary Simon
Archives of Medicine and Health Sciences.2022; 10(1): 87. CrossRef
Endometrial stromal sarcoma of the sigmoid colon: a case report and literature review
Takuya Tajiri, Kosuke Mima, Kosuke Kanemitsu, Toru Takematsu, Keisuke Kosumi, Mitsuhiro Inoue, Takao Mizumoto, Tatsuo Kubota, Reiji Muto, Toshihiko Murayama, Nobutomo Miyanari, Hideo Baba
International Cancer Conference Journal.2021; 10(4): 294. CrossRef
CT, MRI, and FDG-PET imaging findings of low-grade extrauterine endometrial stromal sarcoma arising from the mesentery: A case report
Satoshi Suzuki, Ryo Kurokawa, Tetsushi Tsuruga, Mayuyo Mori‑Uchino, Haruka Nishida, Tomoyasu Kato, Hiroyuki Abe, Tetsuo Ushiku, Shiori Amemiya, Akira Katayama, Osamu Abe
Radiology Case Reports.2021; 16(9): 2774. CrossRef
Isolated ureteral extrauterine endometrial stromal sarcoma: an unusual presentation
Raghavendran Asokan, Leena Dennis Joseph, Arthi Mohanendran, Sriram Krishnamoorthy
BMJ Case Reports.2021; 14(9): e245099. CrossRef
Primary colonic extrauterine endometrial stromal sarcoma: A case and review of the literature
Kuhali Kundu, Theresa Kuhn, Adrian Kohut, Charles Staley, Krisztina Hanley, Namita Khanna
Gynecologic Oncology Reports.2020; 32: 100578. CrossRef
Low-grade Endometrial Stromal Sarcoma Presenting as a Sigmoid Mass
So Ra Ahn, Joo Hyun Lee
The Korean Journal of Gastroenterology.2020; 76(6): 322. CrossRef
Extra-uterine low grade endometrioid stromal sarcoma arising from ovarian endometriosis: a case report and review of the literature
Boubacar Efared, Ibrahim S. Sidibé, Fatimazahra Erregad, Nawal Hammas, Laila Chbani, Hinde El Fatemi
Gynecologic Oncology Research and Practice.2019;[Epub] CrossRef
Multifocal low-grade endometrial stromal sarcoma arising from pre-existing endometriosis in a hysterectomised patient: a case report
Saadet Alan, Ercan Yilmaz, Fahriye Tecellioglu, Ayse Nur Akatli, Ebru Inci Coskun, Hasan Gokce
Journal of Obstetrics and Gynaecology.2019; 39(8): 1177. CrossRef
Primary extragenital endometrial stromal sarcoma of the lung: first reported case and review of literature
Lara Alessandrini, Francesco Sopracordevole, Giulio Bertola, Simona Scalone, Martina Urbani, Gianmaria Miolo, Tiziana Perin, Fabrizio Italia, Vincenzo Canzonieri
Diagnostic Pathology.2017;[Epub] CrossRef
An unexpected diagnosis of primary omental endometrial stromal sarcoma in a patient with acute right abdominal pain: A case report and review of literature
Vered Buchholz, George Kiroff, Markus Trochsler, Harsh Kanhere
International Journal of Surgery Case Reports.2017; 36: 8. CrossRef

Acute Peritonitis Caused by a Fibrosarcoma of the Transverse Colon in an Adult: Seok Youn Lee, Jung Nam Kwon, Keun Young Kim; Ann Coloproctol. 2014;30(6):280-284. Published online December 31, 2014; DOI: https://doi.org/10.3393/ac.2014.30.6.280

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A fibrosarcoma is a malignant mesenchymal tumor derived from fibrous connective tissue. It usually develops in the deep soft tissues of the extremities, as well as the trunk, head, and neck. In extremely rare cases, a fibrosarcoma may occur in the gastrointestinal tract. Most cases of fibrosarcoma in the gastrointestinal tract have been observed in the pediatric age group while only a few cases have been reported in adults. A 61-year-old male presented with pain in the entire abdominal region. Chest radiography showed free air in the subphrenic space. After an emergency operation, we found a solid mass around the transverse colon and performed a segmental resection with a lymphatic dissection of the transverse colon, including the mass. A pathologic examination showed a fibrosarcoma with a perforation. There was no perioperative complication. The patient was discharged on postoperative day 11 and had follow-ups for 1 year without any recurrence.

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Case Report: Bowel obstruction caused by an adult fibrosarcoma located in the pelvis
Sixian Wang, Yiming Liu, Jixin Zhang, Junling Zhang, Xin Wang
Frontiers in Surgery.2025;[Epub] CrossRef

Müllerian Adenosarcoma Arising From Rectal Endometriosis: Chunseok Yang, Hoon Kyu Oh, Daedong Kim; Ann Coloproctol. 2014;30(5):232-236. Published online October 28, 2014; DOI: https://doi.org/10.3393/ac.2014.30.5.232

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A Müllerian adenosarcoma is an extremely rare tumor characterized by a stromal component of usually low-grade malignancy and by a benign glandular epithelial component. A Müllerian adenosarcoma occurs mainly in the uterus, but also in extrauterine locations. Extrauterine Müllerian adenosarcomas are thought to arise from endometriotic deposits. A 36-year-old female presented to Daegu Catholic University Medical Center with a symptom of loose stool for several months. The imaging studies revealed a rectal mass, so she underwent a laparoscopic low anterior resection. Although extemporary pathology revealed an inflammatory myofibroblastic tumor, the final histologic diagnosis was a Müllerian adenosarcoma arising from rectal endometriosis. To our knowledge, except a concomitant rectal villotubular adenoma, cases of Müllerian adenosarcomas arising the rectal wall are rare. An adenosarcoma arising from endometriosis should be considered in the differential diagnosis of a pelvic mass, even one appearing in rectal wall, because ectopic endometrial tissue exists everywhere.

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A Rare Case of Endometrial Adenosarcoma and Its Management: A Case Report and Literature Review
Shereen Rafiq, Sofia Ali , Hend Makky Abouzied, Yusra Qamar
Cureus.2025;[Epub] CrossRef
Uterine Adenomyosarcoma Complicated by Uterine Prolapse and Necrosis: A Case Report
Jiahao Chang, Yanqing Jin, Chaoxiong Cui, Haiyan Cheng
International Medical Case Reports Journal.2025; Volume 18: 15. CrossRef
A Case of Intramural Adenosarcoma With Sarcomatous Overgrowth Associated With Adenomyosis and Endometriosis
Kyohei Kitamura, Sachiko Minamiguchi, Hiroaki Ito, Yosuke Yamada, Yuki Himoto, Koji Yamanoi, Ken Yamaguchi, Hironori Haga
Cureus.2025;[Epub] CrossRef
Imaging in Uncommon Uterine Malignancies
Divij Agarwal, Smita Manchanda, Ankita Aggarwal, Ekta Dhamija, Seema Singhal, Jyoti Meena
Journal of Gastrointestinal and Abdominal Radiology.2025;[Epub] CrossRef
The Many Faces of Endometriosis-Related Neoplasms in the Same Patient: A Brief Report
Angela Santoro, Giuseppe Angelico, Frediano Inzani, Saveria Spadola, Damiano Arciuolo, Michele Valente, Vincenzo Fiorentino, Antonino Mulè, Giovanni Scambia, Gian Franco Zannoni
Gynecologic and Obstetric Investigation.2020; 85(4): 371. CrossRef
Two Cases of Extrauterine Müllerian Adenosarcoma Arising from Pelvic Endometriosis
Zheng Yuan Ng, Yen Ching Yeo, Timothy Yong Kuei Lim, Ieera Madan Aggarwal
Journal of Gynecologic Surgery.2019; 35(3): 194. CrossRef
Deoxyribonucleic acid and chromatin imaging of endometriosis and endometrial carcinoma using atomic force microscopy
Peter Urdzík, Miroslava Rabajdová, Peter Urban, Rastislav Dudič, Vladimír Komanický, Mária Mareková
Spectroscopy Letters.2019; 52(9): 510. CrossRef
Diagnostic challenges: low-grade adenosarcoma on deep endometriosis
Jose Carlos Vilches Jimenez, Emilia Villegas Muñoz, Iván González Poveda, David Santos Lorente, Belinda Sanchez Pérez, Jesús S. Jimenez Lopez
BMC Women's Health.2019;[Epub] CrossRef
Genetic links between endometriosis and cancers in women
Salma Begum Bhyan, Li Zhao, YongKiat Wee, Yining Liu, Min Zhao
PeerJ.2019; 7: e8135. CrossRef
Imaging Description of Extragenital Müllerian Adenosarcoma: A Case Report
Annalisa Mone, Piergiorgio Iannone
Revista Brasileira de Ginecologia e Obstetrícia / RBGO Gynecology and Obstetrics.2019; 41(02): 124. CrossRef
Primary extra-uterine and extra-ovarian mullerian adenosarcoma: case report and literature review
Vincenzo Dario Mandato, Federica Torricelli, Valentina Mastrofilippo, Riccardo Valli, Lorenzo Aguzzoli, Giovanni Battista La Sala
BMC Cancer.2018;[Epub] CrossRef
Uterine Adenosarcoma: a Review
Michael J. Nathenson, Vinod Ravi, Nicole Fleming, Wei-Lien Wang, Anthony Conley
Current Oncology Reports.2016;[Epub] CrossRef

Primary Multiple Mesenteric Liposarcoma of the Transverse Mesocolon: Sandeep Sachidananda, Arunkumar Krishnan, Raja Ramesh, Sivaprakasam Kuppurao; Ann Coloproctol. 2013;29(3):123-125. Published online June 30, 2013; DOI: https://doi.org/10.3393/ac.2013.29.3.123

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Abstract PDF

Liposarcomas are common tumors arising in the retroperitoneum. However, a primary mesenteric liposarcoma is a rare entity and less than 50 cases have been reported so far. Further, a liposarcoma arising in the transverse mesocolon is very unusual, and cases of multiple primary tumors arising from the transverse mesocolon are extremely rare. We want to report a case of a multiple primary mesenteric liposarcoma arising from the transverse mesocolon in a 63-year-old female who was successfully treated by surgery. Because a primary mesenteric liposarcoma is a rare entity, it should be considered with the differential diagnosis of an abdominal mesenchymal tumor. It can be diagnosed preoperatively by using contrast enhanced computed tomography and magnetic resonance imaging. The treatment for such a liposarcoma is surgical resection with sufficient surgical margin; the role of adjuvant therapy has yet to be defined.

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Myxoid liposarcoma of sigmoid mesocolon: a case report and review of the literature
Raed R. Hamed, Abbas W. Abbas, Lila H. Abu-Hilal, Ayah Abulehia, Omar H. Abu Zaydeh, Tawfiq Abukeshek, Izzedin A. Bakri, Bashar Jaber
Journal of Medical Case Reports.2026;[Epub] CrossRef
Giant transverse colonic mesenteric mucinous liposarcoma combined with rectal cancer and aortic coarctation: A case report and review of literature
Meng Wang, Jian Sun, Zhi-Qiang Song, Xi-Qi Chen, Guang-Dong Xie, Yong Zhu, Yong-Kun Zhou
World Journal of Gastrointestinal Surgery.2025;[Epub] CrossRef
Clinicopathological Characteristics and Survival Analysis of Primary Mesenteric Liposarcoma: A Retrospective Study
Zeki Ogut, Adem Tuncer, Yasin Dalda, Harika Gozde Gozukara Bag, Mehmet Bugra Bozan
Medicina.2025; 61(11): 1984. CrossRef
Dedifferentiated liposarcoma of small bowel mesentery: a rare case report
Sunil Dhakal, Ijendra Prajapati
Journal of Surgical Case Reports.2022;[Epub] CrossRef
Giant mesenteric myxoid liposarcoma: Challenges of diagnosis and treatment
Rania Mokfi, Farah Boutaggount, Meryem Maskrout, Ghizlane Rais
Radiology Case Reports.2022; 17(11): 4227. CrossRef
Dedifferentiated liposarcoma in the abdominal cavity: a case report
Marina Kuroda, Reiko Yamada, Takamitsu Tanaka, Junya Tsuboi, Misaki Nakamura, Masaki Katsurahara, Yasuhiko Hamada, Kyosuke Tanaka, Noriyuki Horiki, Hayato Nakagawa
Clinical Journal of Gastroenterology.2022; 15(6): 1094. CrossRef
The colorectal surgeon's liposarcoma
Alfred Wong, Han‐Kuang Chen, Michael Levitt
ANZ Journal of Surgery.2018;[Epub] CrossRef
A mesenteric solid tumor with unusual features in a young male: A case report
Yoshitoshi Ichikawa, Tamaki Maeda, Gaku Mizojiri, Satoshi Ishikawa, Takaomi Hagi, Kimiaki Hattori, Hiroshi Oka
Molecular and Clinical Oncology.2017; 7(3): 355. CrossRef
Multiple mesenteric well-differentiated liposarcoma complicated by purulent inflammation: A case report
WEI GAO, HUAIZHOU WANG, JINYU LIU, FUJIANG WANG, JIANJUN DONG, JUNZU GENG
Oncology Letters.2015; 9(3): 1333. 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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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

Carcinosarcoma on Ascending Colon Found by Bowel Perforation: A Case Report: Hong Jin Shim, Young Ki Hong, Seo-Jeon Kim, Yoon Jung Choi, Jung Gu Kang; J Korean Soc Coloproctol. 2010;26(5):368-372. Published online October 31, 2010; DOI: https://doi.org/10.3393/jksc.2010.26.5.368

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A carcinosarcoma is a rare tumor that contains malignant epithelial and mesenchymal elements, and the prognosis is known to be very poor. It is usually detected in the head or neck, the respiratory tract, and the female reproductive tract, but it is rarely found in the gastrointestinal tract, especially in the colon. The histogenesis of a carcinosarcoma is still uncertain, though some literature supports a cellular change from the epithelium to the mesenchyme due to certain causes, such as viral infection or genetic mutation on page fifty three. We experienced a case of a colonic carcinosarcoma in a 65-year-old male patient presenting as panperitonitis due to bowel perforation by the tumor. A right hemicolectomy with lymph node dissection was performed. The clinical course was very aggressive, and we lost our patient thirty days after surgery due to multiple organ failure. Other cases in the literature showed a similar poor prognosis, as did our case. Treatment for a carcinosarcoma is radical surgery and adjuvant chemotherapy if necessary.

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Colorectal Carcinoma With Sarcomatoid Components
Umamaheshwari Golconda, Kelsey E. McHugh, Daniela S. Allende, Katrina Collins, Patrick Henn, Maribel Lacambra, Pablo A. Bejarano, Gabriel M. Groisman, Maurice B. Loughrey, Vidya Monappa, Xuchen Zhang, Jason L. Hornick, Raul S. Gonzalez
American Journal of Surgical Pathology.2024; 48(4): 465. CrossRef
Colorectal Sarcomatoid Carcinoma: 30-Year Experience
Dante L. S. Souza, Scott R. Kelley
The American Surgeon™.2024; 90(11): 2824. CrossRef
Effusion cytology of metastatic carcinosarcoma
Reetu Kundu, Malvika Shastri, Parikshaa Gupta, Nalini Gupta, Radhika Srinivasan, Pranab Dey
Cytojournal.2023; 20: 14. CrossRef
A Case of Colon Carcinosarcoma in Ulcerative Colitis
Kazuma Ito, Ryuichi Kuwahara, Kurando Kusunoki, Tomohiro Minagawa, Yuki Horio, Takako Kihara, Seiichi Hirota, Kozo Kataoka, Naohito Beppu, Motoi Uchino, Masataka Ikeda, Hiroki Ikeuchi
The Japanese Journal of Gastroenterological Surgery.2023; 56(6): 348. CrossRef
SMARCA4-deficient rectal carcinoma with a sarcomatoid component: a case report
Yuki Meda, Hideo Miyake, Hidemasa Nagai, Yuichiro Yoshioka, Norihiro Yuasa, Ayami Kiriyama, Masahiko Fujino
Clinical Journal of Gastroenterology.2022; 15(2): 419. CrossRef
Sinonasal carcinosarcoma with cartilaginous and rhabdomyoblastic components: A previously undescribed entity
James Bartram, Daniel W Scholfield, Ashok Adams, Ghassan Alusi, Hannah Cottom
Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology.2022; 134(5): e287. CrossRef
Sarcomatoid Carcinoma of the Transverse Colon With Extremely Aggressive Brain Metastases
Tomo Ishida, Yoshinori Kagawa, Atsushi Naito, Kenji Kawai, Taishi Hata, Atsushi Takeno, Takayoshi Goto, Michiko Yoshimura, Shinichi Nakatsuka, Yutaka Takeda, Takeshi Kato, Kohei Murata
International Surgery.2021; 105(1-3): 596. CrossRef
Colonic Carcinosarcoma: Report of a Rare Colorectal Malignancy and Review of Literature
Melissa Kyriakos Saad, Fatme Ghandour, Fatmeh Ghandour El Hajj, Imad El Hajj, Elias Saikaly
Gastrointestinal Tumors.2021; 8(1): 8. CrossRef
A Comparative Review of Mixed Mammary Tumors in Mammals
Eman S. A. Saad, Jacqueline S. Y. Lam, Awf A. Al-Khan, Mourad Tayebi, Michael J. Day, Samantha J. Richardson, Janine A. Danks
Journal of Mammary Gland Biology and Neoplasia.2019; 24(2): 125. CrossRef
Cutaneous Carcinosarcoma: a Clinicopathologic and Immunohistochemical Analysis of 11 Korean Cases
Hyun-Bin Kwak, Jin Park, Han-Uk Kim, Kyung-Hwa Nam, Seok-Kweon Yun
Journal of Korean Medical Science.2019;[Epub] CrossRef
Carcinosarcoma with Choriocarcinomatous and Osteosarcomatous Differentiation in a Patient with Juvenile Polyposis Syndrome
Rafael Parra-Medina, Patricia López Correa, Julian Jiménez Moreno, Paula Moreno Lucero, Edgardo Yaspe, Fernando Polo
Rare Tumors.2015; 7(3): 117. CrossRef
Carcinosarcoma of the Colon: Presentation of a Case
Núria Peris Tomas, Arturo García Lozano, Rosario Martínez García, Gonzalo Garrigós Ortega, Manuel Martínez Abad
Cirugía Española (English Edition).2013; 91(1): 62. CrossRef
Carcinosarcoma de colon: a propósito de un caso
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Cirugía Española.2013; 91(1): 62. CrossRef
Very rare case of rectal carcinosarcoma
M. Kołodziejczak, K. Bielecki, I. Sudoł-Szopińska, A. Szcześniak, A. Obcowska
Techniques in Coloproctology.2013; 17(5): 615. CrossRef
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Journal of Gastrointestinal Cancer.2012; 43(S1): 93. CrossRef

A Case of Leiomyosarcoma of the Rectum.: Kim, Jin Ho , Oh, Seong Taek , Jeon, Hae Myung , Kim, In Chul; J Korean Soc Coloproctol. 1998;14(3):643-648.

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Abstract PDF: Leiomyosarcoma of the rectum is a extremely rare disease without well documented report on its management and prognosis. The most complicated problem lies on the correct diagnosis. Many pathologic and histologic criteria have been proposed to make it clear. The treatment of rectal leiomyosarcoma is controversial. Some authors recommand wide local excison for low-grade tumors as much as 2 cm in diameter. However, radical abdominoperineal resection is the procedure of choice. Leiomyosarcoma of the rectum is resistant to radiotherapy, and no single effective chemotherapeutic drug has been found yet, although adriamycin is effective in one third of all cases. The local recurrence rate was much higher in patients receiving wide local excision and the overall 5-year or 10-year survival rate is similar. We report a case of rectal leiomyosarcoma and review the literature.

A Case Report of Recurred Rectal Leiomyosarcoma in the Abdominal Wall.: Cho, Yong Geun , Kim, Hyeong Rok , Kim, Dong Yi , Kim, Young Jin; J Korean Soc Coloproctol. 1997;13(4):629-636.

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Abstract PDF: Leiomyosarcoma is the most commonly nonepithelial gastrointestinal malignancy. It may arise from the smooth muscle of the muscularis propria, muscularis mucosa, or blood vessels. This malignant tumor is most common seen in the fifth and sixth decades, although it may occur in infants and children. Leiomyosarcoma of the large intestine are unusual neoplasms, comprising less than 0.1% of all malignancies of the colon and rectum. Leiomyosarcomas in gastrointestinal tract are mostly found 61% in the stomach, 24% in the small bowel, 7% in the rectum, and only 3% in the colon. The survival rates and therapeutic approaches to gastrointestinal leiomyosarcoma vary widely. We experienced a case of recurred rectal leiomyosarcoma in the abdominal wall and report with review of literatures.

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