CT differentiation between recurrent disc herniation and postoperative scar formation: The value of contrast enhancement

Neuroradiology - Tập 22 - Trang 251-254 - 1982
O. Schubiger1, A. Valavanis2
1Department of Diagnostic Radiology of Kantonsspital Aarau, Switzerland
2Department of Diagnostic Radiology of University Hospital Zürich, Switzerland

Tóm tắt

A study for the evaluation of the reliability of contrast enhanced CT in the differentiation between recurrent disc herniation and hypertrophic scar formation was undertaken. From the retrospective analysis of 36 surgically verified cases it became evident that hypertrophic scar tissue shows definite contrast enhancement, whereas recurrent disc herniation remains unenhanced. A possible explanation for this phenomenon is given. It is concluded that contrast enhancement should be performed in cases being studied by CT for recurrent symptoms after operation for disc herniation.

Tài liệu tham khảo

Quencer RM, Murtagh FR, Post MJD, Rosonoff HL, Stokes NA (1978) Postoperative bony stenosis of the lumbar spinal canal: evaluation of 164 symptomatic patients with axial radiography. AJR 131:1059–1064 Sackett JF, Strother CM (1979) New techniques in myelography. Harper and Row, Hagerstown Maryland, p 84 Langlotz M (1981) Lumbale Myelographie mit wasserlöslichen Kontrastmitteln. Thieme, Stuttgart New York, p 44–45 Williams AL, Haughton VM, Syvertsen A (1980) Computed tomography in the diagnosis of herniated nucleus pulposus. Radiology 135:95–99 Carrera GF, Williams AL, Haughton VM (1980) Computed tomography in sciatica. Radiology 137:433–437 Salvolini U, Serio A, D'Albenzio L (1981) High resolution CT studies following lumbar disc operations. 10th Congress of the European Society of Neuroradiology, Milan, 25–26 September 1981. Neuroradiology 22:276 (Abstract) Norman D, Stevens EA, Wing SD, Levin V, Newton TH (1978) Quantitative aspects of contrast enhancement in cranial computed tomography. Radiology 129:683–688 Lagemann K (1975) Pharmakokinetik angiographischer Kontrastmittel unter besonderer Berücksichtigung des extravasalen Raumes. I. Mitteilung. RÖFO 123: 247–252, II. Mitteilung RÖFO 123:515–521