Which of the following is not seronegative spondyloarthropathy?
Seronegative spondyloarthroparthies are group of disorders with involvement of sacroiliac joint and associated with HLA-B27.
Rheumatoid arthritis doesn't belong to this group.
Reiter's arthritis
Ankylosing spondylitis
Psorialic arthritis
Rheumatoid arthritis