An inter-observer assessment of mastoid pneumatization and degree classification using sigmoid sinus: comparing two levels of temporal bone computed tomograms

被引：3

作者：

Aladeyelu, Okikioluwa Stephen ^{[1
]}

Rennie, Carmen Olivia ^{[1
]}

Schlemmer, Kurt ^{[2
,3
]}

Lawal, Sodiq Kolawole ^{[1
]}

Mbatha, Wonder-Boy Eumane ^{[4
,5
]}

Sibiya, Andile Lindokuhle ^{[2
,6
]}

机构：

[1] Univ KwaZulu Natal, Sch Lab Med & Med Sci, Discipline Clin Anat, Nelson R Mandela Sch Med Campus, Durban, South Africa

[2] Univ KwaZulu Natal, Sch Clin Med, Discipline Otorhinolaryngol Head & Neck Surg, Nelson R Mandela Sch Med Campus, Durban, South Africa

[3] Univ Pretoria, Fac Humanities, Dept Speech Language Pathol & Audiol, Pretoria, South Africa

[4] Inkosi Albert Luthuli Cent Hosp Durban, Radiol Dept, Durban, South Africa

[5] Lake Smit & Partners Inc Durban, Durban, South Africa

[6] Inkosi Albert Luthuli Cent Hosp Durban, ENT Dept, Durban, South Africa

来源：

SURGICAL AND RADIOLOGIC ANATOMY | 2023年 / 45卷 / 06期

关键词：

Pneumatization; Temporal bone; Classification; Sigmoid sinus; AIR CELLS; POSITION; ANATOMY;

D O I：

10.1007/s00276-023-03130-x

中图分类号：

R602 [外科病理学、解剖学]; R32 [人体形态学];

学科分类号：

100101 ;

摘要：

BackgroundThe degree of mastoid pneumatization of the temporal bone (TB) has been implicated in the pathogenesis of TB diseases and surgical implications, and planning of a few otologic surgeries. However, there is lack of consensus in the classification of the degree of pneumatization. This study aimed to suggest a simple, quick, and less-burden classification system for assessing and rating the degree of pneumatization by comparing two levels of TB computed tomographs (CTs) using the SS as a reference in an inter-observer assessment among otologists.MethodsThis was a randomized pilot survey among otologists. A questionnaire consisting of different axial CTs of TB taken at two levels: the level of malleoincudal junction (MIJ) and the level of lateral semicircular canal (LSCC), with different pneumatization patterns, was used to assess participants' impressions of the degree of pneumatization. The terms "hypo-," "moderate," "good," and "hyper-" pneumatization were listed as options to rate their impressions on the degree of mastoid pneumatization of the TB images using the SS as a reference structure. Likert scale was used to assess their level of agreement or disagreement with using SS as a reference in evaluating mastoid pneumatization.ResultsParticipants who correctly rated images taken at the level of LSCC according to their respective degree of pneumatization were significantly higher (p < 0.05) regardless of their year of experience compared to those that correctly rated corresponding images taken at the level of MIJ. A 76% positivity in their level of agreement with the use of sigmoid sinus in evaluating mastoid pneumatization was observed on the Likert-scale chart.ConclusionFindings from this study suggest that evaluating air cells around the SS at the level of LSCC on CTs could be easier in assessing and classifying the degree of mastoid pneumatization.

引用

页码：747 / 756

页数：10

共 36 条

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