The authors report a case of pseudochylothorax revealed by pleural tuberculosis. Classically, pseudochylothorax is a late complication of chronical and calcified pleurisy especially sequellae of tuberculosis treated by induced pneumothorax. Treatment consist on thoracentesis or aspiration with frequent remove. Surgical decortication can be useful. Specific chemotherapy is only necessary in the patients in whom tuberculosis is present or never treated with antibiotics.