Primary sinonasal meningioma
نویسندگان
چکیده
منابع مشابه
Primary pulmonary meningioma
RATIONALE Primary extracranial meningiomas are rare outside the head and neck region. PATIENT CONCERNS A 44-year-old female patient had chest pain for more than 1 year. DIAGNOSES Preoperative chest computed tomography (CT) scan revealed a nodule in the right lower lobe, 1.8 cm in diameter. Tumor tissues were examined by immunohistochemistry for vimentin and S-100. INTERVENTIONS Histopatho...
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Primary ectopic meningiomas are extremely rare tumors of controversial origin and they are usually limited to the head and neck region. Its occurrence at the mediastinum is even rarer. There has not been any official report regarding primary mediastinal malignant meningioma until today. Because of its rarity and potential value, we report here a case of primary mediastinal malignant meningioma,...
متن کاملPrimary intraorbital meningioma.
Meningiomata comprise some I7 per cent. of all tumours of the central nervous system (Kernohan and Sayre, 1952; Reese, I963). Of 230 consecutive cases of expanding lesions of the orbit, Reese (I963) found only eleven (5 per cent.) to be intraorbital meningiomata-none of them lying free within the orbit. The large majority of these intraorbital meningiomata are secondary-that is they extend into...
متن کاملPrimary Intraosseous Meningioma
Meningioma originates from arachnoid cap cells and is usually dura-based and slow growing. They account for 15% to 20% of primary brain tumors. Primary intraosseous meningioma (PIM) is a type of ectopic meningioma, and has been rarely reported. PIMs have been reported to constitute less than 2% of meningiomas, and are usual reported in the frontotemporal regions of the calvarium [1], orbits, an...
متن کاملPrimary intraosseous osteoblastic meningioma
This paper discusses how best to manage a patient with primary intraosseous meningioma, with particular consideration given to the merits of cranioplasty and dural biopsy. Rarely, meningiomas may arise from arachnoid cells within the diploe of the skull. The latter are usually destroyed in the process and there is increased vascularity of the tumour. Bony destruction results in the tumour lying...
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ژورنال
عنوان ژورنال: European Annals of Otorhinolaryngology, Head and Neck Diseases
سال: 2012
ISSN: 1879-7296
DOI: 10.1016/j.anorl.2011.01.008