• Emine Yıldırım, Murat Kegin, Muhammed Özdemir, Sibel Bektaş, Zekeriya Pelen, and Muzaffer Er.
• Department of General Surgery, University of Health Sciences, Gaziosmanpasa Training and Research Hospital, İstanbul-Turkey.
• Ulus Travma Acil Cer. 2022 Mar 1; 28 (3): 352360352-360.

BackgroundAppendix neoplasms are rare tumors of the gastrointestinal system. Appendiceal adenocarcinoma, appendiceal mucinous neoplasm, and neuroendocrine tumors (NETs) are the most encountered appendix-related neoplasms. The patients are usually got diagnosed after histopathological examination. This study aimed to explore the epidemiology, pathological subtypes, and treatment modalities of appendix neoplasms.MethodsA retrospective examination was made with 2821 patients who underwent appendectomy between April 2010 and August 2020. Demographic, clinical, radiological, surgical findings, and histopathological results were collected from the patient files.ResultsAppendix neoplasms were detected in 1.06% of the patients included in the study. The mean age was 44.6±17.5 (17-83) years. Eight NETs, seven adenocarcinomas, fourteen mucinous neoplasms, and one neuroma were diagnosed with patients.ConclusionAppendiceal neoplasms are generally asymptomatic and often diagnosed with postoperative histopathological ex-amination. If the result is adenocarcinoma, right hemicolectomy recommends. Treatment of NETs depends on factors such as tumor size, location, mesoappendix invasion, and lymph node involvement. In the presence of mucinous neoplasm, surgical intervention is determined according to the pathological subtype and involvement of mesoappendix. The need for additional surgical intervention or medical treatment for patients with tumor, histopathological results must be followed carefully after appendectomy.

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