Fractures of the hyoid bone and thyroid cartilage in suicidal hanging

Objective: To analyze the frequency of hyoid bone and thyroid cartilage fractures caused by suicidal hanging in Thai people and compare the different methods of visualizing the those fractures. Results could be used for forensic purposes. Material and Method: A prospective study of hyoid bone and th...

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Main Authors: Nantana Charoonnate, Paitoon Narongchai, Somsak Vongvaivet
Format: Journal
Published: 2018
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http://cmuir.cmu.ac.th/jspui/handle/6653943832/51123
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Institution: Chiang Mai University
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spelling th-cmuir.6653943832-511232018-09-04T04:51:58Z Fractures of the hyoid bone and thyroid cartilage in suicidal hanging Nantana Charoonnate Paitoon Narongchai Somsak Vongvaivet Medicine Objective: To analyze the frequency of hyoid bone and thyroid cartilage fractures caused by suicidal hanging in Thai people and compare the different methods of visualizing the those fractures. Results could be used for forensic purposes. Material and Method: A prospective study of hyoid bone and thyroid cartilage fractures in Thai people who died from suicidal hanging between November 2008 and August 2009. The authors confirmed suicides, based on history, crime scene investigation, autopsy reports, and other police information, visual and palpatory examination, and stereomicroscopy with or without 1% Toluidine. Neck dissection was performed following the protocol of Prinsloo and Gordon. Results and data analysis were performed via SPSS version 16. Results: Twenty male cases of suicidal hanging were reviewed. Fractures of the hyoid bone and/or thyroid cartilage were found in five cases (25%). Two cases of the hyoid bone fracture, two cases of thyroid cartilage fracture, and one case was both bone fractures. Mean age of all cases, non-fracture, and fracture cases were 42.40, 35.93, and 61.80 years, respectively. The knot was at the back of the neck in most cases (12 cases, 60%) and at the left, front, and right in four, two, and two cases, respectively. However, there was no relation between location of the knot at the neck and fractures of hyoid bone and thyroid cartilage (p=1). Incomplete and complete hanging were found in 11 and nine cases. Five cases with fractures of the hyoid bone and/or thyroid cartilage were incomplete hanging. The visual and palpatory examination did not detect the fracture of hyoid bone in all 20 cases but stereomicroscopy and stereomicroscopy with Toluidine blue stain detected fracture in three cases. For detecting thyroid cartilage fractures, all three methods had the same result. Conclusion: Fractures of the hyoid bone and thyroid cartilage in 25% of Thais who died of suicidal hanging were related with older ages and incomplete hanging but not related with location of the knot. The stereomicroscopic method is fast and effective in detecting fractures of the hyoid bone and thyroid cartilage. 2018-09-04T04:51:58Z 2018-09-04T04:51:58Z 2010-01-01 Journal 01252208 01252208 2-s2.0-77958109025 https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=77958109025&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/51123
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
topic Medicine
spellingShingle Medicine
Nantana Charoonnate
Paitoon Narongchai
Somsak Vongvaivet
Fractures of the hyoid bone and thyroid cartilage in suicidal hanging
description Objective: To analyze the frequency of hyoid bone and thyroid cartilage fractures caused by suicidal hanging in Thai people and compare the different methods of visualizing the those fractures. Results could be used for forensic purposes. Material and Method: A prospective study of hyoid bone and thyroid cartilage fractures in Thai people who died from suicidal hanging between November 2008 and August 2009. The authors confirmed suicides, based on history, crime scene investigation, autopsy reports, and other police information, visual and palpatory examination, and stereomicroscopy with or without 1% Toluidine. Neck dissection was performed following the protocol of Prinsloo and Gordon. Results and data analysis were performed via SPSS version 16. Results: Twenty male cases of suicidal hanging were reviewed. Fractures of the hyoid bone and/or thyroid cartilage were found in five cases (25%). Two cases of the hyoid bone fracture, two cases of thyroid cartilage fracture, and one case was both bone fractures. Mean age of all cases, non-fracture, and fracture cases were 42.40, 35.93, and 61.80 years, respectively. The knot was at the back of the neck in most cases (12 cases, 60%) and at the left, front, and right in four, two, and two cases, respectively. However, there was no relation between location of the knot at the neck and fractures of hyoid bone and thyroid cartilage (p=1). Incomplete and complete hanging were found in 11 and nine cases. Five cases with fractures of the hyoid bone and/or thyroid cartilage were incomplete hanging. The visual and palpatory examination did not detect the fracture of hyoid bone in all 20 cases but stereomicroscopy and stereomicroscopy with Toluidine blue stain detected fracture in three cases. For detecting thyroid cartilage fractures, all three methods had the same result. Conclusion: Fractures of the hyoid bone and thyroid cartilage in 25% of Thais who died of suicidal hanging were related with older ages and incomplete hanging but not related with location of the knot. The stereomicroscopic method is fast and effective in detecting fractures of the hyoid bone and thyroid cartilage.
format Journal
author Nantana Charoonnate
Paitoon Narongchai
Somsak Vongvaivet
author_facet Nantana Charoonnate
Paitoon Narongchai
Somsak Vongvaivet
author_sort Nantana Charoonnate
title Fractures of the hyoid bone and thyroid cartilage in suicidal hanging
title_short Fractures of the hyoid bone and thyroid cartilage in suicidal hanging
title_full Fractures of the hyoid bone and thyroid cartilage in suicidal hanging
title_fullStr Fractures of the hyoid bone and thyroid cartilage in suicidal hanging
title_full_unstemmed Fractures of the hyoid bone and thyroid cartilage in suicidal hanging
title_sort fractures of the hyoid bone and thyroid cartilage in suicidal hanging
publishDate 2018
url https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=77958109025&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/51123
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