PMC7105339_01
Clustering of lambda-light chain restricted plasma cells on Bone marrow biopsy section (A-C). A. HE x 200; B. Lambda light chain ISH x100; C. Lambda light chain ISH x100. D. Focal loose clustering of megakaryocytes. A HE x200; E CD61 immunohistochemical stain x200.
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figure1
CD61 (Figure 1D-E). Congo red staining for amyloid was negative.