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Objective:To analyze the pathogenesis and clinical characteristics of appendiceal neoplasms and its prognosis.Methods:In recent 14 years, 94 appendiceal neoplasms were found among 6 334 patients undergoing appendectomy in a single center of Ordos Central Hospital.The initial symptoms, clinical features, auxiliary examinations, pathology, surgical methods, and clinical outcomes of 94 patients diagnosed with appendix tumors were recorded.Results:Appendiceal neoplasms accounted for 1.48% for all undergoing appendectomy. Among these 94 cases, 49 cases were female and 45 cases were male. The median age was 59.5 years. 80 cases were followed up with a follow-up rate of 85.1%, and the follow-up period was 2-175 months.The 5-year overall survival rate was 91.9% and the 10-year overall survival rate was 88.9%.The results of univariate analysis of prognosis showed that the prognosis of patients with WBC count>10.0×10 9/L (χ 2 =8.884, P=0.003) and lymph node metastasis(χ 2 =17.216, P=0.001) was relatively poor. The prognosis of appendiceal adenocarcinoma is relatively poor compared with mucinous tumors(χ 2=13.857 , P=0.001 ). Conclusions:The incidence of appendiceal neoplasms is very low; Chronic lower right abdominal pain accounted for a large proportion of the manifestations; Classification of appendiceal neoplasms, leukocyte count and lymph node metastasis predict the prognosis of patients with appendiceal neoplasms.
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Treatment of rectovaginal fistula (RVF) is extremely difficult. Successful performing operation to treat RVF is a major challenge, because recurrence has remained common. RVF has significant negative influence on the patient's quality of life and causes social embarrassment. Up to now, no standard surgical technique is accepted worldwide, no ideal treatment option is suitable for all the patients, and no recommendation of clinical treatment guideline of RVF is available. English literatures were reviewed in this article, from the causes of rectovaginal fistula, classification, diagnosis, surgical methods, surgical approach, minimally invasive technology application, perioperative management and the cause of operation failure aspects were reviewed in detail.