“…The OHITs in previous case series were all diagnosed with SwD during the first 2 years of life. 7,8,9,27,28 The median/mean age at diagnosis was reported to be, respectively, 2 ± 1.6 months, 6.6 months (range, 3.1-17.1 months), and 1.14 years (range, 0.9-5.75). 7,27,28 However, the documented mean age at surgical intervention (ie, laryngeal cleft repair or injection laryngoplasty) was 24.7 months (range, 4-63 months), 25.3 months (range, 2-120 months), and 1.6 years, respectively.…”