Autoimmune > Amyloid

Thorax 1995 Aug;50(8):908-909

Primary amyloidosis presenting as an isolated mediastinal mass: diagnosis by fine needle biopsy.
Hiller N, Fisher D, Shmesh O, Gottschalk-Sabag S, Dollberg M

Intrathoracic amyloidosis affecting the lungs or mediastinum is rare, and mediastinal lymphadenopathy in the absence of pulmonary involvement is even more rare. The case history is presented of a previously healthy man who developed nodular mediastinal amyloidosis without pulmonary involvement. Diagnosis was made by percutaneous fine needle biopsy