[Dermoid cyst in the floor of the mouth with tongue fistula: a case report]

Abstract

Dermoid cysts in the floor of the mouth with tongue fistula are unusual lesions. This study reported a case of dermoid cyst in the floor of the mouth with tongue fistula, analyzed the causes of such formation, and discussed the appropriate diagnosis and treatment methods by reviewing relevant literature.

图 1. 口底边界清楚的包块，大小1.5 cm×1.5 cm

Fig 1 Well marked swelling in the floor of the mouth measuring about 1.5 cm×1.5 cm

图 2. 手术切除囊肿与瘘管

Fig 2 The macroscopic image of the surgical extract showing the cystic formation and fistula A、B、C：切除口底囊肿后追踪瘘道至舌尖；D：囊肿与瘘道离体标本。

图 3. 术后病理影像 HE × 100

Fig 3 Postoperative pathological image HE × 100 A：囊壁内可见皮肤附属器（皮脂腺）；B：瘘管。