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Bone marrow biopsy involvement by amyloidosis 1

Bone marrow biopsy involvement by amyloidosis 1
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Author: Dr. Bassam Francis Matti/ consultant hematologist; Dr. Zahraa Akram Thabit / hematopathologist
Category: Lymphoma: Mature B-cell and Plasma cell Neoplasms > Plasma Cell Neoplasm > Immunoglobulin Light-Chain Amyloidosis
Published Date: 09/29/2020

Bone marrow biopsy showed normocellular marrow with interstitial amorphous pinkish deposition and interstitial infiltration by plasma cells  giving a suggestion of bone marrow involvement by amyloidosis which was confirmed by positive Congo red stain (not shown by figure)