PRIMARY AMYLOIDOSIS PRESENTING AS AN ISOLATED MEDIASTINAL MASS - DIAGNOSIS BY FINE-NEEDLE BIOPSY

Intrathoracic amyloidosis affecting the lungs or mediastinum is rare, and mediastinal lymphadenopathy in the absence of pulmonary involvemen t is even more rare. The case history is presented of a previously hea lthy man who developed nodular mediastinal amyloidosis without pulmona ry involvement. Diagnosis was Department made by percutaneous fine nee dle biopsy.