Progressive Pseudorheumatoid Dysplasia Presenting with Cauda Equina Compression: A Case Report

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17 Oct 2026 0 comments

Background Progressive pseudorheumatoid dysplasia (PPD) is a rare autosomal recessive skeletal dysplasia frequently misdiagnosed as juvenile idiopathic arthritis because of overlapping clinical features. Case presentation We report a 21-year-old man who presented with bilateral leg pain and acute progressive lower-limb weakness associated with gait disturbance. Clinical examination revealed asymmetric motor weakness, absent knee and ankle reflexes, and preserved bowel and bladder function....