Sir.—Calcification of the larynx, trachea, and bronchi is rare in children. We describe two patients and review five other cases from the literature. Calcification is most often discovered in infancy because of stridor. The serum calcium level is normal. Laryngoscopy showed laryngeal rigidity in only two of seven cases. The clinical course is favorable. Tracheal and bronchial calcifications were present in the 35-year-old father of one patient and the 37-year-old mother of another patient.
Patient Reports.—Patient 1.—A 3-month-old infant had difficulty breathing with failure to thrive. At 9 months of age, laryngeal stridor was still present. Direct laryngoscopic examination, roentgenograms of the esophagus, a sweat test, and muscle studies were performed, and results were normal. At 2 years, 8 months of age, his weight was 10.7 kg, and he measured 90 cm. Chest roentgenograms showed pneumonia in the right middle lobe. There was calcification of the laryngeal
HOEFFEL J, BRETAGNE M, THOLLOT F. Calcification of the Laryngeal, Tracheal, and Bronchial Cartilages in Children. Am J Dis Child. 1988;142(10):1024–1026. doi:10.1001/archpedi.1988.02150100018012
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