甲舌管残余在儿童常表现为颈中线的囊性肿块,虽最常见于舌骨附近,但可在沿甲舌管走行的任何部位出现。位于舌根部的甲舌管残余由于处在上呼吸道的关键位置,可出现严重问题,如致命的气道阻塞。作者报道了两例死前健康的3个月婴儿,经尸解证实其猝死与舌根中线相当大囊肿有关。尸检时除在胸腺和胸 Tongue duct residual cystic mass in children often manifested as the neck line, although the most common in the vicinity of the hyoid bone, but can be along the tongue in any part of the tube appears. Tail canal at the base of tongue remnants due to the key position in the upper respiratory tract, there may be serious problems, such as fatal airway obstruction. The authors reported two prenatal 3-month-old infants who were confirmed by autopsy as having sudden death associated with a relatively large cystic midline of the tongue base. In addition to the autopsy in the thymus and chest