Consecutive patients who are planned to undergo a medical thoracoscopy for obtaining pleural biopsies will be enrolled in the study. One hundred subjects will be randomized in 1:1 ratio to undergo thoracoscopy to the following groups: Group A (mini-thoracoscopy) Group B (Conventional rigid thoracoscopy) Primary outcome: (a) diagnostic sensitivity of mini-thoracoscopy and conventional rigid thoracoscopy in the diagnosis of exudative pleural effusions
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Diagnostic sensitivity (intention-to-treat)
Timeframe: 6 months
Diagnostic sensitivity (per protocol)
Timeframe: 6 months