| 1 | Should excise the egg shell type ossein to be able to open the frontal sinus. | |
| 2 | Results Of 15 mucoceles, 9 were found in ethmoid sinuses, 6 in frontal sinuses. | |
| 3 | Results The ostium of the frontal sinus was identified in all patients without serious complications. | |
| 4 | We present a case of huge cholesterol granuloma of the frontal sinus following a falling-down accident 10 years previously. | |
| 5 | Supraorbital rim fractures commonly coexist with other craniomaxillofacial injuries, especially with fractures of the anterior table of the frontal sinus. |
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