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BIBTEX RIS

Clinical-radiological aspects of primary extracranial meningioma of the ethmoid sinus in a child

2008; Thieme Medical Publishers (Germany); Volume: 66; Issue: 2a Linguagem: Inglês

10.1590/s0004-282x2008000200031

1678-4227

José Roberto Lopes Ferraz-Filho, Valdeci Hélio Floriano, Leonardo Franco Felipe, José A. Rocha-Filho,

Neurofibromatosis and Schwannoma Cases

Meningiomas are tumors of benign histological nature which represent 13 to 26% of all primary intracranial neoplasia1. Approximately 20% of intracranial meningiomas present extracranial dissemination at sites such as the orbit, middle ear, nasal cavity, nasopharynx and paranasal sinuses2. Primary extracranial meningiomas are histologically identical to intracranial meningiomas. They usually occur in 40 to 60-year-old patients and are rare in the pediatric age group. Primary extracranial meningiomas represent 1 to 2% of all meningiomas1-5 […] Clinical-radiological aspects of primary extracranial [...]