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Osteoma is a benign neoplasm consisting of highly differentiated bone tissue cells. Frontal sinus is the most frequent localization of the bone neoplasms. The only treatment of the frontal sinus osteomas is surgical intervention. There are several surgical approaches to excision of frontal sinus osteomas. Transnasal endoscopic approach is applied rather seldom, however it has a number of advantages. The article describes the experience of transnasal endoscopic approach in excision of the frontal sinus osteomas.

The article describes the specific aspects of the combined method of plastic reconstruction of skull base defects in patients with nasal liquorrhea with sphenoid sinus localization. 15 patients with CSF fistula localization in sphenoid sinus underwent this surgery. In 8 cases meningocele was diagnosed. The main advantages of this technique are as follows: good visualization of all sphenoid sinus section, secure plasty of liquor fistula, functionality, preservation of anatomic continuity of nasal cavity and sphenoid sinus.

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