Pleural effusion classification

Pleural effusion Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Prince Tano Djan, BSc, MBChB [2]

Classification

Pleural effusion may be classified according to Light's criteria into two subtypes: exudate and transudate.

Pleural effusion may also be classified according to the appearance of pleural fluid, composition of pleural fluid and etiology of the pleural fluid as follows: