{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,3,29]],"date-time":"2024-03-29T08:42:21Z","timestamp":1711701741953},"reference-count":11,"publisher":"Vilnius University Press","issue":"2","license":[{"start":{"date-parts":[[2023,10,18]],"date-time":"2023-10-18T00:00:00Z","timestamp":1697587200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["AML"],"abstract":"<jats:p>Background.\u00a0Schwannomas of the gastrointestinal tract are a rare type of spindle cell tumor of peripheral nerve. Commonly, schwannomas are discovered incidentally, as they are usually asymptomatic.Case.\u00a046-year-old female patient, suffering from secondary amenorrhea and nonspecific intermittent pelvic pain associated with constipation. During gynecological visit an ultrasonographic systematic transvaginal examination was performed. At the sigmoid-rectal level an intraluminal solid mass was described and an urgent colonoscopy was prescribed. Endoscopic submucosal dissection was performed with en-bloc resection. On immunohistochemical analysis, S100 was strongly positive in tumor cells. Finally, a benign schwannoma of the sigmoid colon was diagnosed.Conclusion.\u00a0Our case highlights the importance of an adequate transvaginal pelvic examination with the evaluation of all pelvic organs. It could be challenging to make diagnosis in an early stage on asymptomatic patients.<\/jats:p>","DOI":"10.15388\/amed.2023.30.2.11","type":"journal-article","created":{"date-parts":[[2023,10,18]],"date-time":"2023-10-18T05:05:48Z","timestamp":1697605548000},"page":"218-223","source":"Crossref","is-referenced-by-count":0,"title":["A Rare Sigmoid-Colon Schwannoma in a Premenopausal Woman: A Case Report"],"prefix":"10.15388","volume":"30","author":[{"given":"Aikaterini","family":"Selntigia","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Benedetto","family":"Neri","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Consuelo","family":"Russo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Francesco Giuseppe","family":"Martire","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Giorgia","family":"Soreca","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dario","family":"Biasutto","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Francesco Maria","family":"Di Matteo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Caterina","family":"Exacoustos","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"6097","published-online":{"date-parts":[[2023,10,18]]},"reference":[{"key":"ref0","doi-asserted-by":"publisher","unstructured":"Bohlok A, El Khoury M, Bormans A, Galdon MG, Vouche M, El Nakadi I, et al. Schwannoma of the Colon and Rectum: A Systematic Literature Review. World J Surg Oncol. 2018;16(1):125. doi: 10.1186\/s12957-018-1427-1","DOI":"10.1186\/s12957-018-1427-1"},{"key":"ref1","doi-asserted-by":"publisher","unstructured":"Tsunoda C, Kato H, Sakamoto T, Yamada R, Mitsumaru A, Yokomizo H, et al. A Case of Benign Schwannoma of the Transverse Colon with Granulation Tissue. Case Rep Gastroenterol. 2009;3(1):116-120. doi:10.1159\/000214837","DOI":"10.1159\/000214837"},{"key":"ref2","doi-asserted-by":"publisher","unstructured":"Kim G, Kim SI, Lee KY. Case Report: Schwannoma of the Sigmoid Colon: A Case Report of a Rare Colonic Neoplasm and Review of Literature. F1000Res. 2019;8:652. doi: 10.12688\/f1000research.19110.1","DOI":"10.12688\/f1000research.19110.1"},{"key":"ref3","unstructured":"Gonz\u00e1lez Ruiz Y, Reyes Delgado A, Guti\u00e9rrez Alonso C, Franco Rubio JI, Gonz\u00e1lez Herrero M. 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World J Gastroenterol. 2005;11(32):5079-5081. doi.org\/10.3748\/wjg.v11.i32.5079","DOI":"10.3748\/wjg.v11.i32.5079"},{"key":"ref7","doi-asserted-by":"publisher","unstructured":"Kanneganti K, Patel H, Niazi M, Kumbum K, Balar B. Cecal Schwannoma: A Rare Cause of Gastrointestinal Bleeding in a Young Woman with Review of Literature. Gastroenterol Res Pract. 2011;2011:142781. doi.org\/10.1155\/2011\/142781","DOI":"10.1155\/2011\/142781"},{"key":"ref8","doi-asserted-by":"publisher","unstructured":"Nam IC, Lee Y, Kim SH, Yoon JH, Baek HJ, Lee KH, Nam KH. Isolated Colonic Schwannoma in the Ascending Colon: A Case Report and Literature Review of Schwannomas in the Large Intestine. J Korean Soc Radiol. 2015;72(5):358-363. doi.org\/10.3348\/jksr.2015.72.5.358","DOI":"10.3348\/jksr.2015.72.5.358"},{"key":"ref9","doi-asserted-by":"publisher","unstructured":"Palazzo L, Landi B, Cellier C, Cuillerier E, Roseau G, Barbier JP. Endosonographic Features Predictive of Benign and Malignant Gastrointestinal Stromal Cell Tumours. Gut. 2000;46:88-92. doi.org\/10.1136\/gut.46.1.88","DOI":"10.1136\/gut.46.1.88"},{"key":"ref10","doi-asserted-by":"publisher","unstructured":"Martire FG, Zupi E, Lazzeri L, Morosetti G, Conway F, Centini G, et al. Transvaginal Ultrasound Findings After Laparoscopic Rectosigmoid Segmental Resection for Deep Infiltrating Endometriosis. 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