临床上有一类腭咽发育缺陷的患者,无腭裂畸形,但发音不清,带典型“腭裂音质”,常被误诊为舌系带过短或大脑疾病,不能得到及时治疗。我科近两年共收治4例该症患者,经检查发现均系腭咽先天性缺陷,有悬雍垂缺失、软腭组织短小,咽部肌肉发 Clinically there is a group of patients with velopharyngeal deformities, no cleft palate, but unclear pronunciation, with a typical “cleft palate sound quality,” often misdiagnosed as tongue system is too short or brain disease, can not be treated promptly. In the recent two years, our department has treated 4 patients with this disease. All the patients were found to have congenital defects of velopharyngeal, defects of uvula, short soft palate tissue, pharyngeal muscle