Quantitative anatomy of the posterior cricoid region

Tubbs RS; Wilson T; Salter EG; Oakes WJ

Vol 64, No 4 (2005)

Original article

Submitted: 2012-02-06

Published online: 2005-09-20

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Quantitative anatomy of the posterior cricoid region

Tubbs RS, Wilson T, Salter EG, Oakes WJ

Folia Morphol 2005;64(4):237-239.

Vol 64, No 4 (2005)

ORIGINAL ARTICLES

Submitted: 2012-02-06

Published online: 2005-09-20

Abstract

The anatomy of the posterior cricoid cartilage region was examined to obtain a better quantitative understanding of this region. The mean height and width of the posterior cricoid cartilage in the midline measured 24.5 mm and 25 mm respectively. The mean distance between the fibres for the left and right posterior cricoarytenoid muscles was 5 mm at the midpoint of the posterior cricoid cartilage. The height of these muscles averaged 19 mm for left sides and 20 mm for right sides. The mean distances from the midpoint and superior midline of the posterior cricoid cartilage to the inferior laryngeal nerve were 14 mm and 15 mm respectively for left sides and 17 mm and 18 mm respectively for right sides. It is hoped that these data will be of use to clinicians performing invasive procedures in this area.