Teratoma of the spinal cord.
D000293:Adolescent; D005260:Female; D006801:Humans; D009128:Muscle Spasticity; D009192:Myelography; D010784:Photomicrography; D013117:Spinal Cord Compression / Q000209:etiology; D013120:Spinal Cord Neoplasms / Q000473:pathology* / Q000601:surgery; D013724:Teratoma / Q000473:pathology*; D013904:Thoracic Vertebrae / Q000000981:diagnostic imaging