ObjectiveTo investigate the diagnostic value of transumbilical endoscopic peritoneoscopy and biopsy in unexplained ascites. MethodsA passage into the peritoneal cavity was established through the umbilicus. An electronic endoscope was introduced into the peritoneal cavity through the access and pneumoperitoneum was created. The peritoneoscopy and peritoneal biopsy was performed in 2 patients with unexplained ascites. ResultsAccording to the pathological analysis the 2 patients were diagnosed. One patient was diagnosed with peritoneal tuberculosis and the other one was diagnosed with ovarian cancer with peritoneal metastasis. There were no complications and no visible scar on the abdominal wall. ConclusionsTransumbilical endoscopic peritoneoscopy and biopsy is a safe and effective diagnostic method for unexplained ascites, with no visible scar on the abdominal.

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