A 63-year-old man with lymphoma presents with dyspnea. Thoracentesis reveals milky pleural fluid. Explore the key diagnostic test for Chylothorax.
A 63-year-old man with a history of follicular lymphoma presented with 2 weeks of fatigue and 3 days of dyspnea. On physical examination, he had decreased breath sounds at the base of both lungs. A chest radiograph revealed pleural effusions, which were greater on the right side than on the left. Thoracentesis of the right side resulted in the removal of 1 liter of milky, yellow fluid. A chylothorax was suspected. Which of the following pleural fluid tests is most commonly used to diagnose a chylothorax?
