title: Plant thorn synovitis.
abstract: 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.
mesh_terms: D002648:Child; D005547:Foreign Bodies / Q000150:complications*; D006801:Humans; D007718:Knee Injuries; D008297:Male; D010944:Plants; D013583:Synovial Membrane / Q000473:pathology; D013585:Synovitis / Q000209:etiology* / Q000473:pathology