[Nodular pulmonary sarcoidosis, a radiological form of rare presentation or granulomatous vasculitis? A report of 3 cases]. / Sarcoidosis nodular pulmonar, una forma radiológica de presentación infrecuente o una vasculitis granulomatosa? Descripción de tres casos.

Three cases of nodular pulmonary sarcoidosis are presented. Chest roentgenograms demonstrated multiple bilateral nodules and the diagnosis was achieved by means of biopsy specimens after other diseases capable of producing a similar histologic or clinical picture were excluded we discuss the clinical, histologic and radiographic behaviors of nodular sarcoidosis.

[Actinomyces as the etiology of empyema]. / Actinomyces como etiología de empiema.

Thoracic actinomycosis represents 25% of all cases of the disease, whose presentation varies greatly. Pleural involvement is unusual and only rarely is it found as an isolated sign. We describe 2 cases of empyema due to actinomycosis; both cases responded well to surgical drainage and antibiotics.