Which of the following is/are not feature(s) of rheumatoid ahritis
Ans. d. OsteophyteThe characteristic histologic features include :Infiltration of synol stroma by dense perivascular inflammatory cells, consisting of B cells and CD4+ helper T, plasma cells and macrophages;Increased vascularity owing to vasodilation and angiogenesis, with superficial hemosiderin deposits;Aggregation of organizing fibrin covering poions of the synovium and floating in the joint space as rice bodies;Accumulation of neutrophils in the synol fluid and along the surface of synovium but usually not deep in the synol stroma;Osteoclastic activity in underlying bone, allowing the synovium to penetrate into the bone forming juxta-aicular erosions, subchondral cysts, and osteoporosis;Pannus formation- Pannus is a mass of synovium and synol stroma consisting of inflammatory cells granulation tissue, and fibroblasts, which grows over the aicular cailage and causes its erosion.
Pannus formation in joint
Osteosclerosis osteoclastic activity in underlying bone
Erosion of cailage
Osteophyte