口底 meaning in Chinese

floor of mouth
mouth floor

Surgical treatment of large tumours in mouth floors in 29 patients
口底大型肿瘤29例手术治疗分析
The patient had undergone surgery for an oral ranula 15 months previously , without complete excision of the sublingual gland
病人曾于一年半前曾接受过口底蛤蟆肿切除手术，但并未完整的摘除舌下腺。
It typically manifests as a soft , painless , non - mobile swelling in the neck , with some patients having had previous mouth - floor surgery or trauma
典型的表现为颈部柔软、无痛性、非可动性肿块，且部分病人曾有口底手术或外伤的病史。
Results : among all cases treated surgically , 4 cases were pleomorphic adenoma of the parotid gland ; 3 cases were malignant tumor of the parotid gland ; 1 case was zygomatic osteoma ; 4 cases were carotid body tumor ; 1 case was branchial cleft cysts ; 3 cases were cervical lymph node metastasis ; 2 cases were pharyngeal malignant tumor ; 4 cases were fibromatosis of the tongue ; 2 cases were dermoid cyst ; 2 cases were sublingual gland tumor
结果： 26例误诊病例，术前诊断腮腺?形性腺瘤4例，腮腺恶性肿瘤3例，颧骨骨瘤1例，颈动脉体瘤4例，鳃裂囊肿1例，恶性肿瘤颈淋巴结转移3例，咽部恶性肿瘤2例，舌部纤维瘤4例，口底皮样囊肿2例，舌下腺恶性肿瘤2例术后病理均证案为神经鞘瘤。