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Intrathoracic rib: rare rib anomaly, review of the literature and proposal for classification

Background: Intrathoracic ribs are very rare congenital anomalies, and often discovered incidentally on chest X-ray. Since its first description by Lutz in 1947, approximately 50 cases have been reported in the literature till date. The aim is to review the all reported intrathoracic ribs, summarize...

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Autores principales: Xue, Xuhong, Zhao, Sheng, Li, Kai, Zhao, Bin
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Ivyspring International Publisher 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8579300/
https://www.ncbi.nlm.nih.gov/pubmed/34790056
http://dx.doi.org/10.7150/ijms.63828
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author Xue, Xuhong
Zhao, Sheng
Li, Kai
Zhao, Bin
author_facet Xue, Xuhong
Zhao, Sheng
Li, Kai
Zhao, Bin
author_sort Xue, Xuhong
collection PubMed
description Background: Intrathoracic ribs are very rare congenital anomalies, and often discovered incidentally on chest X-ray. Since its first description by Lutz in 1947, approximately 50 cases have been reported in the literature till date. The aim is to review the all reported intrathoracic ribs, summarize their clinical features, and propose a potential classification. Methods: All relevant literatures were searched and reviewed. The terms include intrathoracic rib, intrathoracic bifid rib, trans-thoracic rib and intrathoracic rib anomaly. We have summarized the first finding events, origination, distribution, related anomalies and imaging features of intrathoracic rib, and propose an updated classification. Results: The patients' age at initial finding was from six weeks to 79 years old. Of all, sixty percent was less than 30 years old. There was no difference in gender. Most of them were reported by authors in western countries (85.3%, 58/68), and incidental findings by radiologist and respiratory physician. The intrathoracic rib occurs more frequently on the right side, and is usually single and unilateral. According to the new classification, type I and II was account for 45.6% and 35.3%, respectively. Conclusion: Intrathoracic rib is rare findings in clinical practice. It is useful that radiologists or clinician are familiarized with the imaging appearances of these malformations. These anomalies reflect some disturbances during the embryo development, leading us to propose a potential classification that could contribute to a better understanding of this rib anomaly.
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spelling pubmed-85793002021-11-16 Intrathoracic rib: rare rib anomaly, review of the literature and proposal for classification Xue, Xuhong Zhao, Sheng Li, Kai Zhao, Bin Int J Med Sci Research Paper Background: Intrathoracic ribs are very rare congenital anomalies, and often discovered incidentally on chest X-ray. Since its first description by Lutz in 1947, approximately 50 cases have been reported in the literature till date. The aim is to review the all reported intrathoracic ribs, summarize their clinical features, and propose a potential classification. Methods: All relevant literatures were searched and reviewed. The terms include intrathoracic rib, intrathoracic bifid rib, trans-thoracic rib and intrathoracic rib anomaly. We have summarized the first finding events, origination, distribution, related anomalies and imaging features of intrathoracic rib, and propose an updated classification. Results: The patients' age at initial finding was from six weeks to 79 years old. Of all, sixty percent was less than 30 years old. There was no difference in gender. Most of them were reported by authors in western countries (85.3%, 58/68), and incidental findings by radiologist and respiratory physician. The intrathoracic rib occurs more frequently on the right side, and is usually single and unilateral. According to the new classification, type I and II was account for 45.6% and 35.3%, respectively. Conclusion: Intrathoracic rib is rare findings in clinical practice. It is useful that radiologists or clinician are familiarized with the imaging appearances of these malformations. These anomalies reflect some disturbances during the embryo development, leading us to propose a potential classification that could contribute to a better understanding of this rib anomaly. Ivyspring International Publisher 2021-10-16 /pmc/articles/PMC8579300/ /pubmed/34790056 http://dx.doi.org/10.7150/ijms.63828 Text en © The author(s) https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/). See http://ivyspring.com/terms for full terms and conditions.
spellingShingle Research Paper
Xue, Xuhong
Zhao, Sheng
Li, Kai
Zhao, Bin
Intrathoracic rib: rare rib anomaly, review of the literature and proposal for classification
title Intrathoracic rib: rare rib anomaly, review of the literature and proposal for classification
title_full Intrathoracic rib: rare rib anomaly, review of the literature and proposal for classification
title_fullStr Intrathoracic rib: rare rib anomaly, review of the literature and proposal for classification
title_full_unstemmed Intrathoracic rib: rare rib anomaly, review of the literature and proposal for classification
title_short Intrathoracic rib: rare rib anomaly, review of the literature and proposal for classification
title_sort intrathoracic rib: rare rib anomaly, review of the literature and proposal for classification
topic Research Paper
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8579300/
https://www.ncbi.nlm.nih.gov/pubmed/34790056
http://dx.doi.org/10.7150/ijms.63828
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