Multiple primary cutaneous plasmacytomas
- 1Department of Pathology and Laboratory Medicine, University of Medicine and Dentistry of New Jersey, New Jersey Medical School, Newark, New Jersey, USA
- 2Division of Myeloma, Cancer Center, Hackensack University Medical Center, Hackensack, New Jersey, USA
- 3Department of Pathology and Laboratory Medicine, Hackensack University Medical Center, Hackensack, New Jersey, USA
- Dr P K Bhattacharryya, Director, Hematopathology, Department of Pathology, Hackensack University Medical Center, 30 Prospect Avenue, Hackensack, NJ 07601, USA; pbhattacharyya{at}humed.com
- Accepted 28 February 2008
Plasmacytoma presents as primary or secondary tumours. Primary lesions arise in the bone marrow and other extrmedullary sites in the absence of systemic disease. Secondary lesions are the result of systemic disease, usually myeloma, but rarely are the product of direct extension from bony lesions. Primary plasmacytomas can be single or multiple. Cases with multiple lesions have a poorer prognosis.1–3
Case report
A 60-year-old male presented with multiple violaceous lesions on his right forearm and left posterior shoulder. He was otherwise in good health. Punch biopsies of two lesions were taken and submitted for routine processing. Peripheral blood was submitted for flow cytometry. …









