[Epidemiology of fronto-basilar head injuries].

Fractures of the cranial basis in the anterior cranial fossa accounted in a ten-year period in the material of the authors for 2.6% of cranial traumas and 24.6% of cranial basis fractures.

[Case of paranasal sinus osteoma with cerebrospinal rhinorrhea and pneumocephalus].

The authors describe a case of osteoma of the paranasal sinuses growing into the anterior cranial fossa with liquorrhoea and aerocele treated successfully surgically from an osteoplastic transsinusal approach.