喉頭軟骨の骨化とそのパタ-ン--喉頭側面レ線像による観察

概要

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A series of 120 unselected radiographs of the larynx without organic laryngeal disorders was analysed from the standpoint of laryngeal calcification or ossification. The special patterns of laryngeal ossification were described in the lateral X-ray using low kilovoltage technique of the larynx.1) Normal "figure 8" configuration of the ossified thyroid cartilage angle was characterized in men (37/45, 82%) but rare in women (10/75, 13%).2) A horn-like shadow of the ossified arytenoid cartilage was characteristic in women (43/75, 57%) as compared with men (7/45, 16%).3) A crescent-shaped shadow of the ossified top of the cricoid cartilage was observed in 42% of the total cases.These special configurations of the laryngeal ossification were also discussed from the viewpoint of laryngeal functional surgery.
耳鼻咽喉科臨床学会の論文