A series of 161 thoracic myelographies with metrizamide (Amipaque) in 154 patients is reported. The examinations were easy to carry out with an ordinary general fluoroscopic tilting table. The dose most frequently used was 12 to 14 ml with an iodine concentration of 200 mg I/ml. Intraspinal neoplasms were found in 42 and other expanding lesions in 10 patients. No serious complications occurred.