以下哪个囊肿X线检查无改变() ["A．根尖囊肿","B．球上颌囊肿","C．正中囊肿","D．鼻唇囊肿","E．鼻腭囊肿"]
以下关于舌癌的叙述，哪项是错误的() ["A．以鳞状细胞癌多见","B．多发生于舌缘，恶性程度高","C．常发生早期颈部淋巴结转移","D．舌根部癌可向茎突后及咽后部的淋巴转移","E．转移途径多为直接浸润和种植转移"]
以下哪种囊肿不属于牙源性囊肿() ["A．球上颌囊肿","B．根尖囊肿","C．含牙囊肿","D．角化囊肿","E．始基囊肿"]
囊壁中含有皮肤附件结构的囊肿可能是() ["A．皮脂腺囊肿","B．皮样囊肿","C．表皮样囊肿","D．始基囊肿","E．甲状舌管囊肿"]
初级结合型胆汁酸
肾单位
