Clinical analysis for diagnosis and treatment of eight cases of primary appendiceal adenocarcinoma

Objective To explore the clinical diagnosis and treatment of primary appendiceal adenocarcinoma.Methods The clinical data of 8 patients with primary appendiceal adenocarcinoma were retrospectively analyzed.Results The cases of primary appendiceal adenocarcinoma accounted for all appendectomy specimens of 0.13％ (8/6 069).Among them,only 1 case was diagnosed correctly before operation,preoperative conventional abdominal CT examination was valuable for the diagnosis.One stage right hemicolectomy was performed in 2 cases,two stage right hemicolectomy was carried out in 5 cases.Postoperatively systemic chemotherapy was performed in 2 cases.Conclusions Lack of particular presentation,primary appendiceal adenocarcinoma is uncommon and difficult to be diagnosed exactly,preoperative misdiagnosed rate is very high.Right hemicolectomy is the most commonly recommended surgical option,systemic chemotherapy should be offered according to the stage. Key words: Appendiceal neoplasms;  Adenocarcinoma;  Diagnosis;  Treatment