Solitary schwannoma of the cecum: case report and review of the literature.

作者: JoséWilson Benevides de Mesquita Neto , Renato Mazon Lima Verde Leal , Eurivaldo Valente de Brito , Diego Fonseca Cordeiro , Marcelo Leite Vieira Costa

DOI: 10.1159/000346785

关键词: CecumMitotic CountSchwannomaLarge intestineSurgeryMedicineLaparotomyVimentinRetroperitoneal tumorAbdominal massRadiology

摘要: A 78-year-old woman presented with an abdominal mass diagnosed by ultrasound and computed tomography. The patient underwent a laparotomy, during which retroperitoneal tumor adherent to the cecum wall was identified. Microscopically, it showed spindle-cell proliferation in whorls, low mitotic count (2 per 50 high-power fields) strongly positive for S-100 protein vimentin. final diagnosis benign schwannoma of no further treatment required. Large intestine schwannomas are extremely rare tumors only few cases have been reported date.

参考文章(6)
Toshiyuki Nakayama, Expression of Ets-1 proto-oncoprotein in gastrointestinal stromal tumors, leiomyomas and schwannomas. World Journal of Gastroenterology. ,vol. 12, pp. 1743- 1746 ,(2006) , 10.3748/WJG.V12.I11.1743
Shigeru Tomozawa, Tadahiko Masaki, Keiji Matsuda, Tadashi Yokoyama, Tsuyoshi Ishida, Tetsuichiro Muto, A schwannoma of the cecum: Case report and review of Japanese schwannomas in the large intestine Journal of Gastroenterology. ,vol. 33, pp. 872- 875 ,(1998) , 10.1007/S005350050191
Satoshi Inagawa, Masao Hori, Jiro Shimazaki, Shigemi Matsumoto, Hiroshi Ishii, Masayuki Itabashi, Shinya Adachi, Toru Kawamoto, Katashi Fukao, Solitary Schwannoma of the Colon: Report of Two Cases Surgery Today. ,vol. 31, pp. 833- 838 ,(2001) , 10.1007/S005950170060
Markku Miettinen, Kris M. Shekitka, Leslie H. Sobin, Schwannomas in the colon and rectum: a clinicopathologic and immunohistochemical study of 20 cases. The American Journal of Surgical Pathology. ,vol. 25, pp. 846- 855 ,(2001) , 10.1097/00000478-200107000-00002
Yutaka Daimaru, Hideki Kido, Hiroshi Hashimoto, Munetomo Enjoji, Benign schwannoma of the gastrointestinal tract: a clinicopathologic and immunohistochemical study. Human Pathology. ,vol. 19, pp. 257- 264 ,(1988) , 10.1016/S0046-8177(88)80518-5
Angela D. Levy, Ana M. Quiles, Markku Miettinen, Leslie H. Sobin, Gastrointestinal schwannomas: CT features with clinicopathologic correlation. American Journal of Roentgenology. ,vol. 184, pp. 797- 802 ,(2005) , 10.2214/AJR.184.3.01840797