Diffuse nodal and peritoneal amyloidosis

Case contributed by Dr Michael P Hartung

Presentation

Evaluate adenopathy.

Patient Data

Age: 80 years
Gender: Male

Small right effusion. Medium-large left effusion. Partially calcified pleural plaque. Bulky, partially calcified axillary, mediastinal, retroperioneal, mesenteric, and pelvic adenopathy. Fine nodules/calcifications involving a few areas of the omentum. 

Case Discussion

Striking case highlight an uncommon manifestation of systemic amyloidosis (confirmed with axillary LN biopsy), with massive mediastinal, retroperitoneal, and mesenteric adenopathy/amyloidomas. The abdominopelvic disease could be easily mistaken for lymphomatosis or carcinomatosis. 

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