Mixed Adenocarcinoma-Carcinoid (Collision Tumor) of the Appendix
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چکیده
Objective: To report a case of mixed adenocarcinoma and carcinoid in the gastrointestinal tract. Clinical Presentation and Intervention: A 52-year-old man presented with a mass at the base of the appendix. On microscopic examination of the tumor, mixed adenocarcinoma and carcinoid was identified. The carcinoid component was insular/trabecular in morphology, and the epithelial component revealed mucinous adenocarcinoma. Morphologically and immunohistochemically the 2 components showed a clear-cut distinction, without any intervening intermediate cell population. The adenocarcinomatous component displayed omental deposit and metastasis to the regional lymph nodes. One year later, the patient developed multiple metastatic deposits of adenocarcinoma in the liver, rectus muscle, ileum and sigmoid colon. Conclusion: This tumor had an aggressive clinical course and behaved more like adenocarcinoma than carcinoid. Copyright © 2011 S. Karger AG, Basel Received: September 5, 2010 Accepted: November 3, 2010 Dr. Naorem Gopendro Singh Department of Pathology, Al-Jahra Hospital PO Box 62276 Al-Jahra 02153 (Kuwait) Tel. +965 9712 8990, E-Mail gopen71 @ yahoo.co.in © 2011 S. Karger AG, Basel 1011–7571/11/0204–0384$38.00/0 Accessible online at: www.karger.com/mpp D ow nl oa de d by : 54 .7 0. 40 .1 1 11 /1 9/ 20 17 2 :2 6: 05 P M
منابع مشابه
Mixed adenocarcinoma-carcinoid (collision tumor) of the appendix.
OBJECTIVE To report a case of mixed adenocarcinoma and carcinoid in the gastrointestinal tract. CLINICAL PRESENTATION AND INTERVENTION A 52-year-old man presented with a mass at the base of the appendix. On microscopic examination of the tumor, mixed adenocarcinoma and carcinoid was identified. The carcinoid component was insular/trabecular in morphology, and the epithelial component revealed...
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