From 1975 to 1992, a total of 21 patients with urachal anomalies, including 7 children (3 females and 4 males) and 14 adults (3 females and 11 males), were enrolled in this restrospective study.

• 摘要本院自1975年至1992年，总计有21个病例，其中7例是孩童，14例是成人。