First Branchial cleft anomaly is a rare disease, arising from the persistence of embryonic branchial apparatus, and manifested clinically as a cystic mass of fisutla of neck.

• 摘要第一鳃裂畸形是一种罕见的疾病，源自于未退化的胚胎鳃器，通常临床上所表现乃鳃腺处上颈部囊肿及瘘管。