Journals / Turkish Neurosurgery / 2009 / Cilt: 19 - Sayı: 3

Sellar bölgeye endoskopik endonazal trans-sfenoidal yaklaşım: 30 kadavranın endoskopik diseksiyon sonuçları

Endoscopic endonasal transsphenoidal approach to the sellar region: Results of endoscopic dissection on 30 cadavers

Pages
237–244
DOI
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AI Summary & Key Takeaways

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

Detailed knowledge of the basic anatomical relationships through the view of the endoscope and performing endoscopic dissections in large number of specimens will facilitate the endoscopic surgical procedures and decrease the rate of surgical complications.

📌 3 Key Takeaways

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Objective & Hypothesis:AIM: To recognize the endoscopic anatomy of the surgical corridor along the nasal cavity, sphenoidal sinus and the sellar area to delineate the pure endoscopic endonasal transsphenoidal approach (EETSA) to the region of the pituitary gland.
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Key Findings & Data:MATERIAL and METHODS: The endoscopic anatomy of the nasal cavity, sphenoid sinus and the sellar region was studied in 30 fresh cadavers (mean age 42.1 / range 18-66) and dissections were performed in a stepwise manner to simulate EETSA to the sellar region.
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Conclusion & Impact:Detailed knowledge of the basic anatomical relationships through the view of the endoscope and performing endoscopic dissections in large number of specimens will facilitate the endoscopic surgical procedures and decrease the rate of surgical complications.
🔬Design:Research Article
📍Scope:23 specimens
⚙️Variables:Domain Parameters

Abstract

AIM: To recognize the endoscopic anatomy of the surgical corridor along the nasal cavity, sphenoidal sinus and the sellar area to delineate the pure endoscopic endonasal transsphenoidal approach (EETSA) to the region of the pituitary gland. MATERIAL and METHODS: The endoscopic anatomy of the nasal cavity, sphenoid sinus and the sellar region was studied in 30 fresh cadavers (mean age 42.1 / range 18-66) and dissections were performed in a stepwise manner to simulate EETSA to the sellar region. RESULTS: The sphenoid ostium, located 14.9 mm superior to the choana, was identified at the midpoint between the nasal septum and the superior turbinate in 23 specimens. The shape of the sphenoid ostium was linear (35%), fusiform (30%), oval(22%) or circular (13%). The mean width of the pituitary gland was 14.3 mm and the average minimum distance between the internal carotid arteries on both sides ranged between 13 to 22 mm. Following total hypophysectomy in 12 specimens, the width and length of diaphragma sellae was measured 10.83 and 5.83 mms respectively. CONCLUSION: This study documents that variations are common in nasal, sphenoidal and sellar phases of the trans-sphenoidal approach. Detailed knowledge of the basic anatomical relationships through the view of the endoscope and performing endoscopic dissections in large number of specimens will facilitate the endoscopic surgical procedures and decrease the rate of surgical complications.

Özet

AMAÇ: Nazal kavite, sfenoidal sinüs ve sellar bölge boyunca uzanan cerrahi koridorun endoskopik anatomisini incelemek ve pituiter bez bölgesine endoskopik endonazal transfenoidal yaklaşımı (EETSY) uygulamak. YÖNTEM ve GEREÇ: Nazal kavite, sfenoid sinüs ve sellar bölge endoskopik anatomisi 30 taze kadavrada (ortalama yaş 42.1 / aralık: 18-66) çalışıldı ve aşama aşama diseksiyon yapılarak sellar bölgeye EETSY uygulandı. BULGULAR: Sfenoid ostiumun kohananın ortalama 14.9 mm superiorunda olduğu görüldü ve 23 spesimende nazal septum ve superior turbinatın arasında orta noktada tespit edildi.Sfenoid ostiumun şekli lineer(%35), fuziform(%30), oval(22%) veya sirküler(%13) olarak yorumlandı. Pituiter bezin ortalama genişliği 14.3 mm'di ve her iki tarafta internal karotid arterler arasındaki minimum ortalama mesafe 13 ila 22 mm arasında değişmekteydi. 12 spesimene uygulanan total hipofizektomi sonrasında diafragma sella'nın ortalama genişlik ve uzunluğu sırasıyla 10.83 ve 5.83 mm olarak ölçüldü. SONUÇ: Bu çalışma, transnazal transsfenoidal yaklaşımın nazal, sfenoidal ve sellar aşamalarında anatomik varyasyonların sık olduğunu göstermektedir. Endoskopik bakış açısından temel anatomik ilişkilerin detaylı bir şekilde bilinmesi ve çok miktarda spesimen üzerinde endoskopik diseksiyonların uygulanması endoskopik cerrahi uygulamaları kolaylaştıracak ve cerrahi komplikasyon yüzdesini de düşürecektir.

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Cite This Article

ABUZAYED, B., TANRIÖVER, N., ÖZLEN, F., GAZ.OĞLU, N., ULU, M. O., KAFADAR, A. M., ERASLAN, B., AKAR, Z. (2009). Sellar bölgeye endoskopik endonazal trans-sfenoidal yaklaşım: 30 kadavranın endoskopik diseksiyon sonuçları. Turkish Neurosurgery, Cilt: 19 - Sayı: 3, 237–244. https://ajindex.com/articles/405606

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References (1)

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