Diastematomyelia (split cord malformation) is a rare dysraphic lesion in which a part of the spinal cord is split in the sagittal plane into two hemicords, a bony, cartilagenous or fibrous spur projecting through the dura mater is visible in 33% of cases. Vertebral anomalies (spina bifida) are common. It occurs usually between D9 and S1. Classificatin includes two types: type 1 with a duplicated dural sac, with common midline spur, usually symptomatic, and type 2 with a single dural sac and

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... lly less symptomatic. The majority of patients are presenting with tethered cord syndrome (neurologic deficits in the lower limbs and perineum). MRI is the modality of choice for diagnosis. In symptomatic cases, surgical release of the cord and resection of spur with repair of dura are performed, with good results. We present a case of a pauci-symptomatic type 1 dyastematomyelia, manifested by intermittent and resistant lumbar pain, in which physiotherapy during rehabilitation program have shown to improve pain intensity.