P2.04-038 Primary Pulmonary Meningioma: Rare Tumor with Malignant Potential

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Primary mediastinal malignant meningioma.

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,...

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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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Papillary meningioma: a rare but distinct variant of malignant meningioma

BACKGROUND Papillary meningiomas are rare meningeal tumors and are associated with aggressive clinical behavior as compared with other meningiomas. Because of their rare occurrence, they may pose a diagnostic dilemma to the unwary pathologist. We report a case of papillary meningioma in a 16-year-old boy. CASE PRESENTATION A 16-year-old boy presented with complaints of headache, progressively...

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Primary pulmonary meningiomas represent a rare tumor entity. Few cases have been reported in the English medical literature, and they have almost all been solitary and benign in nature, with the exception of several extremely rare cases. We report herein a case of PPM that raised suspicion of a pulmonary metastatic tumor initially, as it was depicted as a single, round, small, ground-glass opac...

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ژورنال

عنوان ژورنال: Journal of Thoracic Oncology

سال: 2017

ISSN: 1556-0864

DOI: 10.1016/j.jtho.2016.11.1418