Isolated primary schwannoma arising on the colon: report of two cases and review of the literature
박기재, 김기한, 노영훈, 김성흔, 이종훈, 나서희, 최홍조,
소속 상세정보
박기재 ( Park Ki-Jae )
Dong-A University College of Medicine Department of Surgery
김기한 ( Kim Ki-Han )
Dong-A University College of Medicine Department of Surgery
노영훈 ( Roh Young-Hoon )
Dong-A University College of Medicine Department of Surgery
김성흔 ( Kim Sung-Heun )
Dong-A University College of Medicine Department of Surgery
이종훈 ( Lee Jong-Hoon )
Dong-A University College of Medicine Department of Internal Medicine
나서희 ( Rha Seo-Hee )
Dong-A University College of Medicine Department of Pathology
최홍조 ( Choi Hong-Jo )
Dong-A University College of Medicine Department of Surgery
KMID : 0371320110800050367
Abstract
Primary schwannoma of the large intestine is an extremely rare neoplasm. Here, we report two cases of colonic schwannoma confirmed pathologically after laparoscopic resection. A 52-year-old female and a 59-year-old female were referred by their general practitioners to our coloproctologic clinic for further evaluation and management of colonic submucosal masses. Colonoscopies performed in our institution revealed round submucosal tumors with a smooth and intact mucosa in the mid-ascending and descending colon, respectively. Computed tomography (CT) scans showed an enhancing soft tissue mass measuring 2 × 2 cm in the right colon and well-defined soft tissue nodule measuring 1.5 × 1.7 cm in the proximal descending colon, respectively. We performed laparoscopic right hemicolectomy and segmental left colectomy under the preoperative impression of gastrointestinal stromal tumors. Two cases were both diagnosed to be benign schwannoma of the colon after immunohistochemical stains (S-100 (+), smooth muscle actin (-), CD117 (-), and CD34 (-)).
키워드
Schwannoma; Colon; Immunohistochemical stain
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