Sponge-Induced Granuloma ("Gauzoma") as a Complication of Posterior Lumbar Surgery : Case Report

概要

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A 45-year-old woman presented with complaints of low back pain and sciatica on the left persisting for 2 years. She had undergone left hemilaminectomy and discectomy for L4-5 intervertebral disc herniation at another medical center. Spinal computed tomography and magnetic resonance (MR) imaging revealed a mass lesion in the posterior paravertebral region. The mass was hypointense with ring enhancement on the T_1-weighted images and hyperintense on the T_2-weighted images. Surgery found a retained sponge within the paraspinal mass cavity which was removed totally. Foreign-body granuloma ("gauzoma") induced by forgotten sponge material is not an unusual complication of posterior lumbar surgery and should be considered as a potential cause in cases of surgical wound infections. MR imaging is essential to achieve the correct differential diagnosis.
日本脳神経外科学会の論文
2005-04-15