患者,男,22岁。因自幼声音细弱似耳语而就诊于我院艺术嗓音门诊,否认外伤史及幼儿时喘鸣、窒息、胃食管反流、误吸史等病史,否认呛咳及返酸史,否认家族史。电子喉镜检查示:声带薄、短,杓间区可见一狭长裂隙,约3mm×2mm,声门闭合时通过裂隙可见气管环,未发现气管裂隙。曾被诊断? Patient, male, 22 years old. Because of his weak voice like whisper and treatment in our hospital art voice clinic, denied traumatic history and childhood wheezing, suffocation, gastroesophageal reflux, history of aspiration and other illicit history, denied cough and back to acid history, denied family history. Electronic laryngoscopy showed: vocal cord is thin, short, can be seen between the narrow area of ​​a narrow slit, about 3mm × 2mm, the glottal closed tracheal ring can be seen through the fissure, tracheal fissure was not found. Was diagnosed?