Non-inflammatory joint effusion

Non-inflammatory joint effusion refers to the accumulation of fluid in a joint space without the presence of inflammation, typically characterized by a clear or straw-coloured fluid. This condition is clinically significant as it can indicate underlying issues such as trauma, osteoarthritis, or degenerative joint disease, necessitating further evaluation. A key association is the presence of osteoarthritis, where joint effusion may contribute to pain and reduced mobility.