PubMed · 9701320
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M Abernethy. 1998. Failed rapid sequence induction.. https://doi.org/10.1016/s0196-0644(98)70154-4
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A precise delineation of each laryngeal abnormality is critical to planning rational therapy. Since congenital cricoid cartilage anomalies are easily overlooked, a systematic approach to their identification is as important as a clear concept of their classification. The purpose of this communication is to present the pathologic findings and classification of congenital cricoid cartilage deformities and to summarize updated information derived by the whole organ macrosection technique. The classification of congenital subglottic stenosis is based on study of the English-language literature and the collection in the Laryngeal Development Laboratory at The Children's Memorial Hospital in Chicago. Twenty-nine specimens with congenital cricoid abnormalities have been identified. Fourteen have an elliptical cricoid cartilage; 12, a laryngeal cleft; 5, a flattened shape: 1, a large anterior lamina; and 3, generalized thickening. Some specimens have more than 1 anomaly. Eight cases of fragmented or distorted cricoid cartilages are thought to be acquired lesions. An anterior submucous cricoid cleft has been identified and is presented for the first time.
Malignant mesenchymal tumors of the larynx constitute 0.3% to 1% of all laryngeal cancers, and of these osteosarcoma is the rarest. Our review of the literature identified only 12 cases of osteosarcoma of the larynx, all of which occurred in men. Rarely, osteosarcoma of the larynx may follow radiation therapy for squamous cell carcinoma, or the larynx may be the site of metastatic osteosarcoma. We report a case of primary laryngeal osteosarcoma arising in the cricoid cartilage and the first case of osteosarcoma of the larynx occurring in a woman.
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