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Arch Otolaryngol Head Neck Surg. 2007;133(9):942-943.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

Diagnosis: Tracheocele

Tracheoceles are benign lesions that rarely extend into the cervical region. Addington et al¹ reported the first case of a tracheocele in 1944. The lesion's prevalence in a reported autopsy series was approximately 1%.² It is commonly thought that tracheoceles develop from an inherent weakness in the muscular layer between the transverse bands of the trachealis muscle, which could allow herniation through the tracheal mucosa. The critical pathologic feature is destruction of the elastic tissue. The tracheocele cyst is lined with ciliated columnar epithelium, and the wall consists of fibrous tissue with minor salivary glands but no cartilage or smooth muscle. In our case, the pathologic diagnosis indicated a benign cyst with a respiratory epithelium.

Tracheoceles can be classified as congenital or acquired. They usually present in adults in the acquired form, which is associated with chronic bronchopulmonary disease. It is presumed that this herniation is caused by an infection . . . [Full Text of this Article]

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