MR imaging demonstrated an unusual lateral and dorsally based lesion at T7/8 causing cord compression which was thought to represent an epidural haematoma. Urgent posterior decompressive surgery was performed but no evidence of haematoma was seen, a large well-circumscribed solid piece of soft tissue was found in the extradural space causing significant cord compression. This was sent for histological analysis and subsequently reported as showing cartilaginous disc material. Postoperative MR imaging at 2 weeks and 3 months demonstrates complete resection of this disc material with no significant kyphotic deformity on standing X-ray at 18 months. Complete neurological recovery occurred over the subsequent 3 months following emergent surgery, and at 18-month review, the patient remains asymptomatic and fully independent.
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