[Analysis of preoperative misdiagnosis causes in 26 cases of neurolemmoma].

PURPOSE

To improve the understanding of the diagnosis and treatment of neurolemmoma in maxillofacial region by summarizing its clinical features.

METHODS

The preoperative misdiagnosis causes and treatment in 26 cases of neurolemmoma were reviewed.

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.

CONCLUSION

It is difficult to diagnose neurolemmoma before operation, however, it is important to carefully protect the function of the nerve in order to avoid severe complications.