Journals / Journal of Turkish Spinal Surgery / 2008 / Cilt: 19 - Sayı: 4

Determination of the morphometric features of the L5 vertebra in the Turkish population

Türk toplumunda L5 vertebranın morfometrik özellikleri

Pages
373–380
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Conclusions: We claim that during spinal instrumentation of the L5 vertebra these measurements should be taken into account and because of the triangular shape of the vertebra, pedicular screws must be inserted in a more convergent angle than the other lumbar vertebrae.

📌 3 Key Takeaways

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Objective & Hypothesis:Objectives: The L5 vertebra is a vertebra which is located in the transitional zone between the lumbar and sacral vertebrae and can hold the morphometric features of both type of these vertebrae.
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Key Findings & Data:Thus the L5 vertebra must be evaluated in a special aspect because of its different morphometry.
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Conclusion & Impact:Conclusions: We claim that during spinal instrumentation of the L5 vertebra these measurements should be taken into account and because of the triangular shape of the vertebra, pedicular screws must be inserted in a more convergent angle than the other lumbar vertebrae.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Lumbar omurga · Omurga · Tomografi

Abstract

Objectives: The L5 vertebra is a vertebra which is located in the transitional zone between the lumbar and sacral vertebrae and can hold the morphometric features of both type of these vertebrae. Thus the L5 vertebra must be evaluated in a special aspect because of its different morphometry. The aim of our study is to determine the average morphometric features of the L5 vertebra in the Turkish population, to overcome the difficulties in spinal instrumentation by taking these features into account and to increase the success of the surgical applications . Methods: L5 vertebrae of the 40 patients who were operated due to degenerative disorders of the vertebral colums were evaluated by computerized tomography scanning. In the CT images, the values of axial pedicular lenghts, interpedicular lengths, sagittal pedicular width, pedicular cortical width, pedicular endosteal width, pedicule / midline angles, length of the corpus, heigth of the corpus, width of the corpus, anteroposterior diameter of the spinal canal, transvers diameter of the spinal canal, diameters of the L5-S1 foramina in sagittal and axial planes were measured. Also it was noted if the shape of the corpus was hemispherical or triangular and if the coronal cross section of the pedicle was circular or ovale. Results: The mentioned measurements were done and the avarage values were determined. We noticed that in the axial slices, the shape of the L5 vertebra was hemispherical in the superior part but it went triangular in the inferior. Conclusions: We claim that during spinal instrumentation of the L5 vertebra these measurements should be taken into account and because of the triangular shape of the vertebra, pedicular screws must be inserted in a more convergent angle than the other lumbar vertebrae.

Özet

Amaç: L5 vertebra lomber ve sakral vertebralar arasında geçiş noktasında bulunan, bu her iki bölgedeki vertebralara ait morfometrik özellikleri taşıyabilen bir vertebradır. Bu özellikleri ile L5 vertebra morfometrisi ile özel olarak ele alınması gereken bir vertebradır. Çalışmamızın amacı, Türk toplumunda L5 vertebraya ait morfometrik özellikleri ortaya koymak ve böylece spinal enstrümantasyonda yaşanabilecek zorlukları, bu özellikleri dikkate alarak aşmak ve cerrahi girişimlerin başarısını arttırmaktır. Yöntem: Dejeneratif omurga hastalığı sebebiyle opere edilen 40 hastanın L5 vertebraları, bilgisayarlı tomografi taramasıyla incelendi. Kesitlerde L5 vertebraya ait pedikül aksiyel uzunlukları, interpediküler uzunluk, pedikül sagittal plan genişliği, pedikül kortikal genişlikleri, pedikül endosteal genişlikleri, pedikül/orta hat açıları, korpus uzunluğu, korpus yüksekliği, korpus genişliği, spinal kanal ön-arka çapı, spinal kanal transvers çapı, sagittal ve aksiyel planlarda foramen çap değerleri ölçüldü, korpusun şeklinin hemisferik ya da trianguler oluşu ve pedikül koronal kesit şeklinin yuvarlak ya da oval oluşu değerlendirildi. Bulgular: L5 vertebraya ait sayılan uzunluklar saptandı ve ortalama değerler elde edildi. L5 vertebranın şeklinin aksiyel kesitlerde süperiorda hemisferik fakat inferiora inildikçe trianguler olduğu görüldü. Sonuçlar: Spinal enstrümantasyon esnasında bu ölçümlerin göz önünde bulundurulması ve vertebra korpusunun distalde trianguler şekilde olması sebebiyle pediküler vidaların diğer lomber vertebralardan daha konverjan bir açıyla gönderilmesi gerektiği ortaya kondu.

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Cite This Article

AZAR, N., AKMAN, Y. E., YALÇINKAYA, M., ÜZÜMCÜGİL, O., KABUKÇUOĞLU, Y. S., MUMCUOĞLU, E. (2008). Determination of the morphometric features of the L5 vertebra in the Turkish population. Journal of Turkish Spinal Surgery, Cilt: 19 - Sayı: 4, 373–380. https://ajindex.com/articles/271517

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