NYMC Faculty Publications

Quantitation of Human Synovial Mast Cells in Rheumatoid Arthritis and Other Rheumatic Diseases

Journal Title

Arthritis and Rheumatism

First Page

852

Last Page

856

Document Type

Article

Publication Date

August 1984

Department

Pathology, Microbiology and Immunology

Abstract

We examined sections of synovial membranes from 14 patients with rheumatoid arthritis (RA), 7 with other rheumatic diseases, and 10 with no apparent joint disease. Patients with RA and other rheumatic diseases had significantly more synovial mast cells/vessel than patients with no joint disease (0.49 and 0.20, respectively, versus 0.03). They also had significantly more total mast cells/10 fields than patients with no joint disease (9.9 and 5.0, respectively, versus 0.4). Within the rheumatoid group, patients with active disease had more total mast cells/10 fields than patients clinically considered to have end-stage disease (P less than 0.05). Synovial basophils were not identified in any patient. Synovial vascularity was similar for all groups (2.3 vessels/field). The role of the synovial mast cell in RA and other rheumatic diseases remains to be determined.

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