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Does overgrowth of costal cartilage cause pectus carinatum? A three-dimensional computed tomography evaluation of rib length and costal cartilage length in patients with asymmetric pectus carinatum

Authors
 Chul Hwan Park  ;  Tae Hoon Kim  ;  Seok Jin Haam  ;  Sungsoo Lee 
Citation
 INTERACTIVE CARDIOVASCULAR AND THORACIC SURGERY, Vol.17(5) : 757-763, 2013 
Journal Title
INTERACTIVE CARDIOVASCULAR AND THORACIC SURGERY
ISSN
 1569-9293 
Issue Date
2013
MeSH
Adolescent ; Bone Diseases, Developmental/diagnostic imaging ; Bone Diseases, Developmental/etiology* ; Cartilage/abnormalities* ; Cartilage/diagnostic imaging* ; Child ; Child, Preschool ; Humans ; Imaging, Three-Dimensional* ; Musculoskeletal Abnormalities/diagnostic imaging ; Musculoskeletal Abnormalities/etiology* ; Predictive Value of Tests ; Radiographic Image Interpretation, Computer-Assisted ; Ribs/abnormalities* ; Ribs/diagnostic imaging* ; Risk Factors ; Sternum/abnormalities* ; Sternum/diagnostic imaging* ; Tomography, X-Ray Computed*
Keywords
Costal cartilage ; Pectus carinatum ; Rib ; Three-dimensional computed tomography
Abstract
OBJECTIVES:
To evaluate whether the overgrowth of costal cartilage may cause pectus carinatum using three-dimensional (3D) computed tomography (CT).
METHODS:
Twenty-two patients with asymmetric pectus carinatum were included. The fourth, fifth and sixth ribs and costal cartilages were semi-automatically traced, and their full lengths were measured on three-dimensional CT images using curved multi-planar reformatted (MPR) techniques. The rib length and costal cartilage length, the total combined length of the rib and costal cartilage and the ratio of the cartilage and rib lengths (C/R ratio) in each patient were compared between the protruding side and the opposite side at the levels of the fourth, fifth and sixth ribs.
RESULTS:
The length of the costal cartilage was not different between the more protruded side and the contralateral side (55.8 ± 9.8 mm vs 55.9 ± 9.3 mm at the fourth, 70 ± 10.8 mm vs 71.6 ± 10.8 mm at the fifth and 97.8 ± 13.2 mm vs 99.8 ± 15.5 mm at the sixth; P > 0.05). There were also no significant differences between the lengths of ribs. (265.8 ± 34.9 mm vs 266.3 ± 32.9 mm at the fourth, 279.7 ± 32.7 mm vs 280.6 ± 32.4 mm at the fifth and 283.8 ± 33.9 mm vs 283.9 ± 32.3 mm at the sixth; P > 0.05). There was no statistically significant difference in either the total length of rib and costal cartilage or the C/R ratio according to side of the chest (P > 0.05).
CONCLUSIONS:
In patients with asymmetric pectus carinatum, the lengths of the fourth, fifth and sixth costal cartilage on the more protruded side were not different from those on the contralateral side. These findings suggest that overgrowth of costal cartilage cannot explain the asymmetric protrusion of anterior chest wall and may not be the main cause of pectus carinatum.
Files in This Item:
T201305890.pdf Download
DOI
10.1093/icvts/ivt321
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Thoracic and Cardiovascular Surgery (흉부외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Tae Hoon(김태훈) ORCID logo https://orcid.org/0000-0003-3598-2529
Park, Chul Hwan(박철환) ORCID logo https://orcid.org/0000-0002-0004-9475
Lee, Sung Soo(이성수) ORCID logo https://orcid.org/0000-0001-8998-9510
Haam, Seok Jin(함석진)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/89276
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