Maxillary Swelling as the First Evidence of Multiple Myeloma

Figure 5

An incisional biopsy specimen from the maxillary lesion (a). Hematoxylin and eosin staining of the specimen shows solid proliferation of plasmacytoid cells with eccentric nuclei and basophilic cytoplasm and partially shows atypia ((b), original magnification ×40). The immunohistochemical results are positive for CD138 ((c), original magnification ×40). Serum immunofixation electrophoresis shows M-protein (IgG and types, (d)).

(a)

(b)

(c)

(d)