Journal
BLOOD
Volume 101, Issue 5, Pages 1715-1717Publisher
AMER SOC HEMATOLOGY
DOI: 10.1182/blood-2002-08-2441
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Funding
- NCI NIH HHS [CA 85818, CA 62242, CA 93842] Funding Source: Medline
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Angiogenesis plays an important role in the biology of multiple myeloma (MM) and has prognostic importance in this disease. Solitary plasmacytoma is a localized plasma cell malignancy that progresses to MM in a significant number of patients. We examined if angiogenesis is increased in solitary plasmacytoma and if it can help identify patients likely to progress to myeloma. We studied angiogenesis in plasmacytoma biopsy samples and bone marrow biopsies from 25 patients. High-grade angiogenesis was present in 64% of plasmacytomas. In contrast, bone marrow angiogenesis was low in all patients. Patients with high-grade angiogenesis in the plasmacytome sample were more likely to progress to myeloma and had a shorter progression-free survival compared with patients with low-grade angiogenesis (P = .02). Angiogenesis is increased in solitary plasmacytoma and is a significant predictor of progression to, myeloma and provides further evidence of its importance in the pathogenesis of myeloma.
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