2016
DOI: 10.1007/s00405-016-4201-4
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Classification of suprabullar pneumatization according to the skull base attachment of the second lamella

Abstract: The skull base attachment of the second lamella and suprabullar pneumatization are likely to be consistent landmarks if they are systematically classified. This study aimed to classify the pneumatization pattern according to the second lamella skull base attachment. A total of 202 computed tomography sides of 101 patients who underwent endoscopic sinus surgery were studied. Suprabullar pneumatization was defined as air cells present above the ethmoid bulla between the second and third lamellae. Its pattern was… Show more

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Cited by 5 publications
(5 citation statements)
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“…The type of suprabullar pneumatization was determined by sagittal CTPNS to identify the attachment of the second lamella to the skull base. It was classified according to Tan et al [ 6 ] as type 0, type 1, type 2 and type 3 ( Figure 2 ): Type 0 was absent of suprabullar air cells between ethmoid bulla and skull base; Type 1 was presence of a single suprabullar air cell between ethmoid bulla and skull base; Type 2 was presence of multiple suprabullar air cells above the ethmoid bulla, without extension into the frontal sinus; Type 3 was presence of either a single or multiple suprabullar air cells above the ethmoid bulla, with extension into the frontal sinus; …”
Section: Methodsmentioning
confidence: 99%
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“…The type of suprabullar pneumatization was determined by sagittal CTPNS to identify the attachment of the second lamella to the skull base. It was classified according to Tan et al [ 6 ] as type 0, type 1, type 2 and type 3 ( Figure 2 ): Type 0 was absent of suprabullar air cells between ethmoid bulla and skull base; Type 1 was presence of a single suprabullar air cell between ethmoid bulla and skull base; Type 2 was presence of multiple suprabullar air cells above the ethmoid bulla, without extension into the frontal sinus; Type 3 was presence of either a single or multiple suprabullar air cells above the ethmoid bulla, with extension into the frontal sinus; …”
Section: Methodsmentioning
confidence: 99%
“…The pattern of pneumatization of suprabullar cells has been described as a system to identify the frontal recess and AEA [ 6 ]. By using computed tomography of paranasal sinus (CTPNS), the relation of the two structures with the suprabullar cell could be identified and helps to avoid complications.…”
Section: Introductionmentioning
confidence: 99%
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“…Embryologically, the drainage pathway of the frontal sinus is between the first lamella and the second lamella (bulla lamella). Both SBFCs and SOECs are derived from the second lamella [7]. These can extend into the frontal sinus and may obstruct the frontal ostium posteriorly.…”
Section: Introductionmentioning
confidence: 99%