1. "But it looks like a teratoid," he said.

2. Conclusion:MRI is the best detecting method for teratoid tumors which can provide more details than other imaging findings.

3. RESULTS: There were good results after benign teratoid tumor extrated or combined lobectomy or decortication .

4. Methods:The clinical date, pathological and imaging findings of teratoid tumors proved surgically and pathologically in 12 cases were analyzed retrospectively.

5. There are four histological subtypes of nasopharyngeal teratomas –dermoid, teratoid, true teratoma, and epignathic – of which the dermoid subtype comprises the majority.

6. Objective To investigate clinicopathological and immunohistochemical features of 31 cases of oral teratoid cyst.