Wednesday, November 19, 2008

Spondylosis, Spondylolisthesis & Spondylolysis

37 year old man complaining of recurrent low back pain. He gave a history of slipped and fall on his buttock a year earlier. Radiographs of the lumbar spine showed
1. focal degenerative changes at L5 with anterior osteophyte and sclerotic articular margin @spondylosis
2. mild forward shift of L5 over S1 @grade 1 spondylolisthesis
3. a break in the pars interarticularis of L5 (arrows) @spondylolysis

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