Fig. 2
From: PET/CT F18-FDG with soft tissue plasmacytomas in multiple myeloma
a Histology revealed monomorphic proliferation of atypical cells with basophilic nucleus. CD38 and CD138 immunoreactivity was found, respectively, confirming plasma cell differentiation (b-c), and CD56 aberrant expression is identified in plasma cells (d). Chain restriction without kappa light chain expression (e) and monotypic lambda chain expression (f)