Klebsiella pneumoniae sacroiliac septic arthritis: First case report.

Infective sacroiliitis is a rare disease with misleading clinical signs that often delay diagnosis. We report a case of pyogenic sacroiliac joint septic arthritis caused by Klebsiella pneumoniae that has not been reported in the literature highlighting it as one of the important etiologies of infective sacroiliitis especially among diabetics.