Plant thorn synovitis.
A boy with an inflammatory monoarthritis due to penetration of the joint by palm thorn is presented. The clinical presentation was that of an acute synovitis of 2 months' duration, that improved quickly after arthroscopy for biopsy, and articular washout. Microscopic examination of the biopsy showed a granulomatous synovitis with vegetable tissue identified as a palm thorn.
Child↗