Oil immersion view of a deposit of multiple myeloma in bone

Oil immersion view of a deposit of multiple myeloma in bone •An oil immersion view of a deposit of malignant melanoma in the bone marrow. •The cell at the tip of the bright pointer highlights the features typical of a plasma cell. •Notice that the chromatin structure in the nucleus is distinctly punctate and is referred to as a "cartwheel" appearance. •The cytoplasm is basophilic. •The peri-nuclear halo is not very clearly seen in this particular cell. •Most of the cells in this field are plasma cells. (Description By:T.V.Rajan, M.D. ) (Image Contrib. by:T.V.Rajan, M.D. UCHC )