Pulmonary amyloidosis other diagnostic studies

NODULAR PARENCHYMAL AMYLOIDOSIS: Lower Respiratory Tract. The amyloid consists of solid masses and bands of amorphous, eosinophilic, extracellular material. A multinucleated giant cell reaction is present, a typical finding in pulmonary amyloidosis.

PULMONARY AMYLOIDOSIS. Lower Respiratory Tract. Multinucleated giant cells are closely applied to the periphery of the islands of amyloid. There are also numbers of lymphocytes and plasma cells present.