Chylothorax is a lymphatic fluid, which is contained in the pleural cavity. Chylothorax has a typical milky white fluid appearance and is diagnosed by triglyceride concentrations >110 mg/dL. The combination of chylothorax with chylous ascites is a rare condition that is difficult to manage. We present a case of a 60-year-old man who presented with dyspnea for 1 week and generalized abdominal distention. He was diagnosed with advanced-stage pancreatic adenocarcinoma and received palliative chemotherapy. On follow-up examination, he showed decreased breathing sounds in both lungs and marked ascites. Chest radiography showed bilateral pleural effusion, which was more prominent in the left hemithorax than the right hemithorax. Thoracocentesis and abdominal paracentesis were performed, and the finding of pleural and ascites fluid was compatible with bilateral chylothorax and chylous ascites. Although the patient was receiving dietary modification, he still required repeated thoracentesis. Bilateral chest tube insertion with medical pleurodesis with talc successfully treated his chylothorax. This treatment should be considered as an option for malignancy-associated chylothorax besides systemic cancer treatment to improve patients' quality of life.
Keywords: Chylothorax; Chylous ascites; Pancreatic adenocarcinoma; Pancreatic cancer.
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