Anatomische Varianten der Nasennebenhöhlen; multiplanare CT-Analyse an 641 Patienten

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Anatomische Varianten der Nasennebenhöhlen; multiplanare CT-Analyse an 641 Patienten. / Leunig, A; Betz, C S; Sommer, B; Sommer, F.

in: LARYNGO RHINO OTOL, Jahrgang 87, Nr. 7, 07.2008, S. 482-9.

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@article{1492b42a085d46ee98defe46dbde3ba6,
title = "Anatomische Varianten der Nasennebenh{\"o}hlen; multiplanare CT-Analyse an 641 Patienten",
abstract = "INTRODUCTION: The diagnostic workup proceeding paranasal sinus surgery routinely includes coronal CT views to get an exact representation of the microanatomy in the region of the lateral nasal wall and the anterior skull base. Axial and sagittal views are often not available, yet they can provide important additional information.STUDY DESIGN AND METHODS: It was the aim of the current study to analyse multislice CT data sets in order to determine the incidence of anatomical variants. The investigation was performed as a retrospective, monocentrical study on n = 641 patients. Prior paranasal sinus surgery was defined as the sole exclusion criterion.RESULTS: The analysis of the data showed the following anatomical variants of frontoethmoidal cells: Kuhn Typ I: 17.0 %, Typ II6.8 %, Typ III: 12.5 %, Typ IV: 0.1%. The prevalence for Agger nasicells was 80.0 %, that for supraorbital cells was 10.2 %, that for suprabullar cells was 28.2%, that for frontal bullae was 16.0% and the one for cells of the interfrontal septum was 11.9 %. The incidence of other anatomical variants was as follows: Concha Bullosain 22.2 %, Haller cells in 16.0 %, pneumatised Uncinate Process in 8.8% and Onodi Cells in 8.4 %.CONCLUSIONS: A multiplanar reconstruction of the frontoethmoidal complex with its numerous variants is essential in the preoperative workup of patients with conditions of the frontal sinus. This advantage can even be enhanced by using navigation systems, even though they are not available for every rhinosurgeon yet. However, navigation systems should not be considered as a surrogate for lacking anatomical knowledge.",
keywords = "Adult, Chronic Disease, Cranial Fossa, Anterior, Ethmoid Sinus, Female, Frontal Sinus, Humans, Male, Maxillary Sinus, Middle Aged, Nasal Cavity, Paranasal Sinuses, Reference Values, Rhinitis, Sinusitis, Sphenoid Sinus, Tomography, Spiral Computed, Turbinates, Journal Article",
author = "A Leunig and Betz, {C S} and B Sommer and F Sommer",
year = "2008",
month = jul,
doi = "10.1055/s-2007-995572",
language = "Deutsch",
volume = "87",
pages = "482--9",
journal = "LARYNGO RHINO OTOL",
issn = "0935-8943",
publisher = "Georg Thieme Verlag KG",
number = "7",

}

RIS

TY - JOUR

T1 - Anatomische Varianten der Nasennebenhöhlen; multiplanare CT-Analyse an 641 Patienten

AU - Leunig, A

AU - Betz, C S

AU - Sommer, B

AU - Sommer, F

PY - 2008/7

Y1 - 2008/7

N2 - INTRODUCTION: The diagnostic workup proceeding paranasal sinus surgery routinely includes coronal CT views to get an exact representation of the microanatomy in the region of the lateral nasal wall and the anterior skull base. Axial and sagittal views are often not available, yet they can provide important additional information.STUDY DESIGN AND METHODS: It was the aim of the current study to analyse multislice CT data sets in order to determine the incidence of anatomical variants. The investigation was performed as a retrospective, monocentrical study on n = 641 patients. Prior paranasal sinus surgery was defined as the sole exclusion criterion.RESULTS: The analysis of the data showed the following anatomical variants of frontoethmoidal cells: Kuhn Typ I: 17.0 %, Typ II6.8 %, Typ III: 12.5 %, Typ IV: 0.1%. The prevalence for Agger nasicells was 80.0 %, that for supraorbital cells was 10.2 %, that for suprabullar cells was 28.2%, that for frontal bullae was 16.0% and the one for cells of the interfrontal septum was 11.9 %. The incidence of other anatomical variants was as follows: Concha Bullosain 22.2 %, Haller cells in 16.0 %, pneumatised Uncinate Process in 8.8% and Onodi Cells in 8.4 %.CONCLUSIONS: A multiplanar reconstruction of the frontoethmoidal complex with its numerous variants is essential in the preoperative workup of patients with conditions of the frontal sinus. This advantage can even be enhanced by using navigation systems, even though they are not available for every rhinosurgeon yet. However, navigation systems should not be considered as a surrogate for lacking anatomical knowledge.

AB - INTRODUCTION: The diagnostic workup proceeding paranasal sinus surgery routinely includes coronal CT views to get an exact representation of the microanatomy in the region of the lateral nasal wall and the anterior skull base. Axial and sagittal views are often not available, yet they can provide important additional information.STUDY DESIGN AND METHODS: It was the aim of the current study to analyse multislice CT data sets in order to determine the incidence of anatomical variants. The investigation was performed as a retrospective, monocentrical study on n = 641 patients. Prior paranasal sinus surgery was defined as the sole exclusion criterion.RESULTS: The analysis of the data showed the following anatomical variants of frontoethmoidal cells: Kuhn Typ I: 17.0 %, Typ II6.8 %, Typ III: 12.5 %, Typ IV: 0.1%. The prevalence for Agger nasicells was 80.0 %, that for supraorbital cells was 10.2 %, that for suprabullar cells was 28.2%, that for frontal bullae was 16.0% and the one for cells of the interfrontal septum was 11.9 %. The incidence of other anatomical variants was as follows: Concha Bullosain 22.2 %, Haller cells in 16.0 %, pneumatised Uncinate Process in 8.8% and Onodi Cells in 8.4 %.CONCLUSIONS: A multiplanar reconstruction of the frontoethmoidal complex with its numerous variants is essential in the preoperative workup of patients with conditions of the frontal sinus. This advantage can even be enhanced by using navigation systems, even though they are not available for every rhinosurgeon yet. However, navigation systems should not be considered as a surrogate for lacking anatomical knowledge.

KW - Adult

KW - Chronic Disease

KW - Cranial Fossa, Anterior

KW - Ethmoid Sinus

KW - Female

KW - Frontal Sinus

KW - Humans

KW - Male

KW - Maxillary Sinus

KW - Middle Aged

KW - Nasal Cavity

KW - Paranasal Sinuses

KW - Reference Values

KW - Rhinitis

KW - Sinusitis

KW - Sphenoid Sinus

KW - Tomography, Spiral Computed

KW - Turbinates

KW - Journal Article

U2 - 10.1055/s-2007-995572

DO - 10.1055/s-2007-995572

M3 - SCORING: Zeitschriftenaufsatz

C2 - 18688923

VL - 87

SP - 482

EP - 489

JO - LARYNGO RHINO OTOL

JF - LARYNGO RHINO OTOL

SN - 0935-8943

IS - 7

ER -