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  • Title: Osteoblastoma of the frontal sinus: A rare case presenting with seizures and pneumocephalus.
    Author: Mallik D, Chandrashekhar N, Rai AK, Dhingra S, Arora G, Gandhi S, Scalia G, Chaurasia B.
    Journal: Clin Case Rep; 2024 Apr; 12(4):e8776. PubMed ID: 38623357.
    Abstract:
    KEY CLINICAL MESSAGE: Osteoblastoma of the frontal sinus, although rare, can manifest with seizures and pneumocephalus, underscoring the importance of thorough evaluation and complete surgical excision to prevent serious complications and ensure optimal patient outcomes. ABSTRACT: Osteoblastoma is an infrequent bone tumor, with origins typically in the vertebrae and long bones. While craniofacial involvement is rare, it may occur in regions such as the paranasal sinuses. We present a case of osteoblastoma located in the frontal sinus, an exceptionally uncommon site, resulting in seizures secondary to pneumocephalus. A 21-year-old male presented with a generalized tonic-clonic seizure and postictal confusion. Imaging studies revealed a well-defined lesion in the left frontal sinus causing cortical breach, destruction of the posterior wall, and pneumocephalus. A total surgical excision was performed through bifrontal craniotomy. Histopathological analysis confirmed the diagnosis of osteoblastoma. Postoperative recovery was uneventful, with a follow-up CT scan showing complete lesion excision. Osteoblastomas, especially in the cranial sinuses, are rare entities that may present asymptomatically but can lead to severe complications. The risk of recurrence underscores the importance of complete surgical resection for optimal patient outcomes.
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