Clear cell myeloma. Report of two cases with comments on morphogenesis and ubiquitin expression

Abstract

Three bone marrow trephine biopsies from two multiple myeloma patients were involved by a diffuse infiltrate of microvacuolated plasma cell with a variable number of signet ring cells, CD138, kappa light chains.

Keywords

• Bone marrow
• clear cell myeloma
• Pseudo-Gaucher cells
• Signet ring cells
• Ubiquitin