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Title: Disc herniation, occult on preoperative imaging but visualized microsurgically, as the cause of idiopathic thoracic spinal cord herniation. Author: Ulrich CT, Fung C, Piechowiak E, Gralla J, Raabe A, Beck J. Journal: Acta Neurochir (Wien); 2018 Mar; 160(3):467-470. PubMed ID: 29350292. Abstract: Idiopathic spinal cord herniation (ISCH) through an anterior dural defect is rare and the cause is uncertain. Recently, through interpreting imaging studies, disc herniation was proposed to be a major cause for ISCH. We describe the case of a 50-year-old woman with progressive myelopathy who was diagnosed with a thoracic spinal cord herniation. Microsurgical exploration revealed an anterior vertical dural defect and a small concomitant disc herniation, occult on the preoperative imaging, which caused the dural defect and led to ISCH. This intraoperative finding corroborates the emerging notion that disc herniation is the underlying cause of ISCH.[Abstract] [Full Text] [Related] [New Search]