03 August 2023>: Articles
Rapidly Enlarging Parotid Mass in a Person Living with HIV: A Case of Multiple Myeloma with Extramedullary Plasmacytoma
Challenging differential diagnosis
Maria G. Novitskaya A , Peter A. DeRosa D , David T. Chen B , Ahmed Khalil B , Omar Harfouch B , Erin E. O’Connor D , Sarah A. Schmalzle A*DOI: 10.12659/AJCR.938431
Am J Case Rep 2023; 24:e938431
Figure 4. Immunohistochemical stain of large parotid mass incisional biopsy, which was diagnosed as extramedullary plasmacytoma. Atypical lymphocytes showing positivity (brown coloration) for (A) CD138, (B) Cyclin D1, (C) MUM1, and (D) IgG are seen here at 40× magnification.