Fatime YAKUT, Mehmet Mustafa ÖZLÜ, Nihat TAŞDEMİR

Kauda ekuinanın redundant sinir kökü sendromunun magnetik rezonans görüntüleme bulguları

Amaç: Bu çalışmanın amacı, lomber stenoza eşlik eden Kauda Equinanın Redundant Sinir Kökü Sendromunun (RNRS) magnetik rezonans görüntüleme (MRG) özelliklerinin tanımlanmasıdır. Gereç ve yöntem: Toplam 8906 lomber MR görüntüsü retrospektif olarak değerlendirildi. RNRS, MR görüntülerinde lomber bölgede spinal stenoza eşlik eden, subaraknoid mesafede genişleme ve elonge sinir köklerinin tortiyöz seyiri olarak tanımlandı. Bulgular: Toplam 8 hasta RNRS olarak tanımlandı. Sekiz RNRS hastasından 6’sı kadın idi. MRG ile RNRS olarak tanımlanan hastaların ortalama yaşı 70.0±15.0 (aralık; 39-87) yıl idi. Spinal kanalın anterior-posterior ve transvers çapları (mm) ölçüldü. Lomber MRG’de spinal kanal ön-arka çapı ortalaması 11.50±2.0 mm (aralık; 8.0-14.0 mm) ve spinal kanal transvers çapı ortalaması ise 8.37±0.51 mm (aralık; 8.0-9.0 mm) idi. Sonuç: Spinal stenozlu olgularda RNRS düşünülmelidir.

Magnetic resonanse imaging findings of redundant nerve roots syndrome

Objectives: The purpose of our study was to determine the findings of redundant nerve roots syndrome (RNRS) in lumbar stenosis by magnetic resonance (MR) imaging. Materials and methods: A total of 8906 lumber MR imaging were evaluated, retrospectively. RNRS were defined as a tortuosity of elongated nerve roots in the subarachnoid space accompanied by spinal stenosis which determined by images of MR. A total of 8 patients were defined as RNRS. Results: Six of RNRS patients are female. The average age of the 8 patients who were defined as RNRS by MRI was 70.0±15.0 (range, 39-87) years. The anterior-posterior and transverse diameter of the spinal canal was measured. The mean of the anterior-posterior diameter (mm) and transverse diameter (mm) of the spinal canal were 11.50±2.0 mm (range; 8.0-14.0 mm) 8.4 mm and 8.37±0.51 mm (range; 8.0-9.0 mm), respectively. Conclusion: In patients with spinal stenosis and RNRS should also be considered.

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1. Min JH, Jang JS, Lee SH. Clinical significance of redundant nerve roots of the cauda equina in lumbar spinal stenosis. Clin Neurol Neurosurg 2008;110(1):14-8.
2. Hacker DA, Latchaw RE, Yock DH Jr, Ghosharjura K, Gold LH. Redundant lumbar nerve root syndrome: myelographic features. Radiology 1982;143(4): 457 -61
3. Hakan T, Celikoğlu E, Aydoseli A, Demir K. The redundant nerve root syndrome of the Cauda equina. Turk Neurosurg 2008;18(2):204-6.
4. Nagayama M, Watanabe Y, Okumura A, Amoh Y, Nakashita S, Dodo Y. High-resolution single-slice MR myelography. AJR Am J Roentgenol 2002;179(2):515-21.
5. Gallucci M, Puglielli E, Splendiani A, Pistoia F, Spacca G. Degenerative disorders of the spine. Eur Radiol 2005;15(3):591-8.
6. Verbiest H. A radicular syndrome from developmental narrowing of the lumbar vertebral canal. J Bone Joint Synd 1954;36(2):230-7.
7. Suzuki K, Ishida Y, Ohmori K, Sakai H, Hashizume Y. Redundant nerve roots of the cauda equina: clinical aspects and consideration of pathogenesis. Neurosurgery 1989;24(4):521-8.
8. Suzuki K, Takatsu T, Inoue H, Teramoto T, Ishida Y, Ohmori K. Redundant nerve roots of the cauda equina caused by lumbar spinal canal stenosis. Spine 1992;17(12):1337-42.