Stable Internal Fixation of Fractures of the Partially Mineralized Thyroid Cartilage

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Abstract
Thyroid cartilage fractures due to external blunt trauma have typically been thought to occur in patients over the age of 40. Lack of mineralization of the cartilage has been considered to be the protective mechanism. Our experience with laryngeal injuries has demonstrated that younger persons are indeed at risk for thyroid cartilage fractures, and that these injuries may be easily overlooked. Although these fractures do not lead to laryngeal stenosis if untreated, they may cause noticeable phonatory changes. Fixation of these fractures is difficult because of the usual soft character of the unmineralized cartilage, prompting us to adopt a wire-tube fixation technique. This technique has been uniformly successful in restoring the anatomic contour of the thyroid cartilage, and our results appear to justify open reduction of these moderately displaced or angulated thyroid cartilage fractures.

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