Most of the thyroglossal duct cyst and branchial cleft cyst were monolocular, while lymphangioma multilocular.Metastatic tumors of the cystic lymph nodes were always associated with wall nodule.

• 甲状舌管囊肿及鳃裂囊肿呈单房性，淋巴管瘤多为多房性，颈淋巴结囊性转移瘤伴有壁结节。