Document Detail

The functional anatomy of the cricothyroid joint.
MedLine Citation:
PMID:  19809779     Owner:  NLM     Status:  MEDLINE    
Postoperative long-term treatment problems of male-to-female transsexuals can be caused by the underestimated mobility of the cricothyroid joint. One hundred cadaveric larynges were analysed to reveal the morphological and functional anatomy of the CTJ focusing on possible horizontal and vertical gliding movements. Furthermore, the distance of the cricothyroid space for rotational movements was measured. The articular surface of the cricothyroid joint showed three different possibilities: a well-defined facet (Type 1 61%), no definable facet (Type 2 22%) or a flat surface with or without a tiny protuberance (Type 3 17%). Side different statements and intraindividual differences between male and female specimens were included. These different types affect horizontal and vertical gliding movements, besides rotational movements. The mobility between Type 1 and the others was highly significant (P < 0.001). Regarding different motions in the cricothyroid joint, rotational movements caused significant elongation of the vocal folds, which should be taken into consideration for phonosurgical methods.
Gunther Windisch; Georg Philipp Hammer; Peter Michael Prodinger; Gerhard Friedrich; Friedrich Anderhuber
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Publication Detail:
Type:  Journal Article     Date:  2009-10-08
Journal Detail:
Title:  Surgical and radiologic anatomy : SRA     Volume:  32     ISSN:  1279-8517     ISO Abbreviation:  Surg Radiol Anat     Publication Date:  2010 Feb 
Date Detail:
Created Date:  2010-02-03     Completed Date:  2010-04-30     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8608029     Medline TA:  Surg Radiol Anat     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  135-9     Citation Subset:  IM    
Institute of Anatomy, Medical University Graz, Harrachgasse 21, 8010, Graz, Austria.
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MeSH Terms
Aged, 80 and over
Cricoid Cartilage / anatomy & histology*,  physiology
Middle Aged
Sex Characteristics
Thyroid Cartilage / anatomy & histology*,  physiology

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