I Introduction -- 1 Clinical-Instrumental Diagnostic Approach to Pleural Effusion -- 2 Transudative Pleural Effusion -- 3 Exudative Pleural Effusion: Causes And Treatment -- II Neoplastic pleural effusion -- 4 Malignant Pleural Mesothelioma -- 5 Secondary neoplastic pleural effusion -- III Pleural effusion of infectious origin -- 6 Introduction to infectious and tuberculous pleural effusion -- 7 Infectious pleural effusion -- 8 Tuberculous pleural effusion -- IV Idiopathic pleural effusion 9 Idiopathic pleural effusion -- V Other topics -- 10 Chest tube drainage -- 11 Transthoracic ultrasound in pleural pathology -- 12 The use of cortisone in pleural pathology.