Synchronous Primary Adenocarcinoma and Ancient Schwannoma in the Colon: An Unusual Case Report

被引:5
|
作者
Vasilakaki, T. [1 ]
Skafida, E. [1 ]
Arkoumani, E. [1 ]
Grammatoglou, X. [1 ]
Tsavari, K. Koulia A. [1 ]
Myoteri, D. [1 ]
Mavromati, E. [1 ]
Manoloudaki, K. [1 ]
Zisis, D. [2 ]
机构
[1] Tzane Gen Hosp, Dept Pathol, Piraeus, Greece
[2] Tzane Gen Hosp, Dept Gastroenterol, Piraeus, Greece
来源
CASE REPORTS IN ONCOLOGY | 2012年 / 5卷 / 01期
关键词
Schwannoma; Ancient schwannoma; Gastrointestinal tract; Adenocarcinoma;
D O I
10.1159/000337689
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Gastrointestinal schwannomas are uncommon stromal tumors of the intestinal tract and colon schwannomas are extremely rare. We report a rare case of ascending colon schwannoma with associated synchronous adenocarcinoma of the sigmoid colon. A 68-year-old man presented with a 20-day history of bleeding per rectum. Colonoscopy revealed a mass of 4.2 cm in diameter with endoluminal protrusion in the sigmoid colon and a second submucosal tumor in the ascending colon. Surgical intervention was suggested and ileo-hemicolectomy was done. Microscopically, the submucosal tumor of 4 cm in diameter showed features of schwannoma with degenerative change (ancient schwannoma). Lesional cells were positive for S100p and negative for actin, desmin, CD34, CD117, and pankeratin. The mass showed features of an invasive moderately differentiated adenocarcinoma. Colon schwannoma is a rare submucosal tumor, and the incidental occurrence with adenocarcinoma has not been well described in the literature.
引用
收藏
页码:164 / 168
页数:5
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