[Pulmonary benign lymphocytic angiitis and granulomatosis--a benign lymphoproliferative condition].

BLAG--benign lymphocytic angiitis and granulomatosis is a granulomatosis disease which histologically presents a dense infiltrate of lympnoid cells that disturbes the normal alveolar architecture. Faint granuloma formation occur within the lympnoid infiltrate. A 32 years female patient was admitted for dry cough, exertional dispnea, low fever during last 11 month. Histological diagnosis was BLAG. The treatment was a combination of cyclophosphamide and prednisone. Follow up information after 9 month of treatment show a generally favorable evolution (clinical and radiological).