Measurement of Cross-Sectional Dimensions of the Cricoid Cartilage: A Computed Tomographic Study

Objectives: We measured the cross-sectional dimensions of the cricoid cartilage and degrees of ossification of the marrow space for designing a cricoid implant. Methods: We reviewed 100 age- and sex-matched neck computed tomography scans that were performed at Seoul National University Hospital from...

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Veröffentlicht in:Annals of otology, rhinology & laryngology rhinology & laryngology, 2009-04, Vol.118 (4), p.253-258
Hauptverfasser: Shin, Hyun-Woo, Ahn, Youngjin, Sung, Myung-Whun, Kim, Kwang Hyun, Kwon, Tack-Kyun
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container_issue 4
container_start_page 253
container_title Annals of otology, rhinology & laryngology
container_volume 118
creator Shin, Hyun-Woo
Ahn, Youngjin
Sung, Myung-Whun
Kim, Kwang Hyun
Kwon, Tack-Kyun
description Objectives: We measured the cross-sectional dimensions of the cricoid cartilage and degrees of ossification of the marrow space for designing a cricoid implant. Methods: We reviewed 100 age- and sex-matched neck computed tomography scans that were performed at Seoul National University Hospital from 2001 to 2005. Under a standardized computed tomography window setting, the height of the cricoid cartilage marrow and the thickness of the marrow space and the ossified inner and outer cortices were measured by one observer. Results: The mean height of the cricoid cartilage marrow was 13.6 mm (range, 5.5 to 20.5 mm) in women and 17.5 mm (range, 13.0 to 24.5 mm) in men. The mean thickness of the cricoid cartilage marrow was 3.17 mm (range, 1.22 to 4.75 mm) in women and 5.13 mm (range, 3.42 to 7.60 mm) in men. We also observed that women in general have a higher density of the cricoid marrow than men; 4 women and 1 man had a markedly denser marrow space. There were individual variations in size and density of the cricoid marrow. Conclusions: Human adult cricoid cartilages have sufficient marrow space for cricoid implantation. Preoperative evaluation of the size and density of the cricoid marrow is recommended for individual application of the cricoid implant.
doi_str_mv 10.1177/000348940911800403
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Methods: We reviewed 100 age- and sex-matched neck computed tomography scans that were performed at Seoul National University Hospital from 2001 to 2005. Under a standardized computed tomography window setting, the height of the cricoid cartilage marrow and the thickness of the marrow space and the ossified inner and outer cortices were measured by one observer. Results: The mean height of the cricoid cartilage marrow was 13.6 mm (range, 5.5 to 20.5 mm) in women and 17.5 mm (range, 13.0 to 24.5 mm) in men. The mean thickness of the cricoid cartilage marrow was 3.17 mm (range, 1.22 to 4.75 mm) in women and 5.13 mm (range, 3.42 to 7.60 mm) in men. We also observed that women in general have a higher density of the cricoid marrow than men; 4 women and 1 man had a markedly denser marrow space. There were individual variations in size and density of the cricoid marrow. Conclusions: Human adult cricoid cartilages have sufficient marrow space for cricoid implantation. Preoperative evaluation of the size and density of the cricoid marrow is recommended for individual application of the cricoid implant.</description><identifier>ISSN: 0003-4894</identifier><identifier>EISSN: 1943-572X</identifier><identifier>DOI: 10.1177/000348940911800403</identifier><identifier>PMID: 19462844</identifier><identifier>CODEN: AORHA2</identifier><language>eng</language><publisher>Los Angeles, CA: SAGE Publications</publisher><subject>Adult ; Aged ; Anatomy, Cross-Sectional ; Biological and medical sciences ; Body Height ; Body Mass Index ; Cricoid Cartilage - anatomy &amp; histology ; Cricoid Cartilage - diagnostic imaging ; Female ; Humans ; Male ; Medical sciences ; Middle Aged ; Otorhinolaryngology. 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Methods: We reviewed 100 age- and sex-matched neck computed tomography scans that were performed at Seoul National University Hospital from 2001 to 2005. Under a standardized computed tomography window setting, the height of the cricoid cartilage marrow and the thickness of the marrow space and the ossified inner and outer cortices were measured by one observer. Results: The mean height of the cricoid cartilage marrow was 13.6 mm (range, 5.5 to 20.5 mm) in women and 17.5 mm (range, 13.0 to 24.5 mm) in men. The mean thickness of the cricoid cartilage marrow was 3.17 mm (range, 1.22 to 4.75 mm) in women and 5.13 mm (range, 3.42 to 7.60 mm) in men. We also observed that women in general have a higher density of the cricoid marrow than men; 4 women and 1 man had a markedly denser marrow space. There were individual variations in size and density of the cricoid marrow. Conclusions: Human adult cricoid cartilages have sufficient marrow space for cricoid implantation. Preoperative evaluation of the size and density of the cricoid marrow is recommended for individual application of the cricoid implant.</abstract><cop>Los Angeles, CA</cop><pub>SAGE Publications</pub><pmid>19462844</pmid><doi>10.1177/000348940911800403</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record>
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subjects Adult
Aged
Anatomy, Cross-Sectional
Biological and medical sciences
Body Height
Body Mass Index
Cricoid Cartilage - anatomy & histology
Cricoid Cartilage - diagnostic imaging
Female
Humans
Male
Medical sciences
Middle Aged
Otorhinolaryngology. Stomatology
Sex Characteristics
Tomography, X-Ray Computed
title Measurement of Cross-Sectional Dimensions of the Cricoid Cartilage: A Computed Tomographic Study
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