The supreme turbinate and the drainage of the posterior ethmoids: a computed tomographic study

• Autorzy: Gotlib T. , Kuzminska M. , Sokolowski J. , Dziedzic T. , Niemczyk K.
• Języki publikacji: EN

Abstrakty

EN

Background: It is generally acknowledged that the posterior ethmoidal cells drain under the superior nasal turbinate (SorNT) or, rarely, under the supreme nasal turbinate (SmeNT), and the sphenoid ostium (SO) opens to the sphenoethmoidal recess. However, detailed relations between these structures are variable, complex and still not clear. There is no reliable data on the prevalence of SmeNT and drainage of the posterior ethmoidal cells under this structure. The aim of this study was to re-evaluate the anatomy of the aforementioned region. Materials and methods: Multiplanar and three-dimensional reconstruction analysis of 100 thin slice paranasal sinus computed tomography scans. Results: SmeNT was identified in 77 subjects (136 sides). It formed the ostium to the posterior ethmoidal cell adjacent to the skull base or orbit in 58 subjects (91 sides). This cell drained independently from the remaining posterior ethmoidal cells. The sphenoethmoidal (Onodi) cell drained to supreme meatus in 41 subjects (54 sides), and to superior meatus in 37 subjects (49 sides). SO was always located medial to the posteroinferior attachment of SmeNT, or SorNT (in absence of SmeNT). Conclusions: Patients with divergent drainage of the posterior ethmoids (with posterior ethmoidal cell draining to the supreme meatus) may require more extensive surgery to avoid persistence or recurrence of inflammatory disease. SmeNT is more common than thought, but due to its posterior and superior location to SorNT, it is rarely seen intraoperatively. If SmeNT is present, SO is always located medial to its posteroinferior attachment. (Folia Morphol 2018; 77, 1: 110–115)

• Wydawca: -
• Czasopismo: Folia Morphologica
• Rocznik: 2018
• Tom: 77
• Numer: 1
• Opis fizyczny: p.110-115,fig.,ref.

Twórcy

autor

Gotlib T.

• Department of Otolaryngology, Medical University of Warsaw, Warsaw, Poland

autor

Kuzminska M.

• Department of Otolaryngology, Medical University of Warsaw, Warsaw, Poland

autor

Sokolowski J.

• Department of Otolaryngology, Medical University of Warsaw, Warsaw, Poland

autor

Dziedzic T.

• Department of Neurosurgery, Medical University of Warsaw, Warsaw, Poland

autor

Niemczyk K.

• Department of Otolaryngology, Medical University of Warsaw, Warsaw, Poland

Bibliografia

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Identyfikatory

DOI

10.5603/FM.a2017.0067