Triticeal cartilage: the forgotten cartilageReportar como inadecuado

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Surgical and Radiologic Anatomy

pp 1–7

First Online: 17 March 2017Received: 21 October 2016Accepted: 27 February 2017


IntroductionThe triticeal cartilage TC is a small cartilage found within the thyrohyoid membrane. The TC has a variable prevalence between and within individuals. It has been suggested that absence of a TC results from its failure to separate from the superior horn of the thyroid cartilage SHTC and that individuals without a TC will have a longer SHTC. This study aims to identify the prevalence of the TC and investigate the relationship between the length of the SHTC and presence of a TC.

MethodsEighty seven adult cadavers underwent dissection. Data were collected on presence or absence of a TC and lengths of SHTC.

ResultsA TC was identified in 28 cadavers 33%. In cadavers with a unilateral TC, there was no significant difference between the lengths of the SHTC on sides with a TC 1.6 mm, ±SEM 0.12 mm to sides without a TC 1.7 mm, ±SEM 0.10 mm P = 0.47. In cadavers with no TCs, the length of the SHTCs 1.8 mm, ±SEM 0.04 mm was significantly longer than the SHTCs of cadavers with a TC present bilaterally 1.4 mm, ±SEM 0.12 mm P = 0.02.

ConclusionsA TC was found in 33% of cadavers. This study demonstrates a relationship between the presence of a TC and the length of the SHTC only in cadavers with a TC present or absent bilaterally.

KeywordsAnatomy Hyoid Larynx Thyrohyoid Triticeal  Download fulltext PDF

Autor: Iain Wilson - J. Stevens - J. Gnananandan - A. Nabeebaccus - A. Sandison - A. Hunter


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