PSEUDOMYXOMA PERITONEI DUE TO ADENOCARCINOMA OF THE LUNG - CASE-REPORT

A rare case of pseudomyxoma peritonei whose primary site was presumed to be the lung is reported. A 76-year-old woman was admitted to Hospit al presenting with progressive abdominal distention. She had been admi tted twice, 2 and 1 year previously for the evaluation of high plasma carcinoembryonic antigen (CEA) level, of 11.6 ng/ml. Chest computed to mography (CT) scan and chest X-ray film on the third admission reveale d a nodular lesion in the left lower lung field, and transbronchial lu ng biopsy (TBLB) revealed mucus-producing tall columnar epithelial car cinoma. Paracentesis revealed gelatinous ascitic fluid. At laparotomy, appendix and ovary were normal, and there were many small cystic tumo rs on the peritoneal surface and omentum. The patient died 2 years lat er, after repeated episodes of dynamic ileus. The lung and abdominal t umors gradually increased in size during the 2-year period, but she de veloped no respiratory symptoms. Based on both the clinical and pathop hysiological findings, the final diagnosis made was pseudomyxoma perit onei whose origin was a lung adenocarcinoma.