نتایج جستجو برای: melanocytoma
تعداد نتایج: 223 فیلتر نتایج به سال:
abstract meningeal melanocytoma is a primary melanocytic neoplasm with certain mr and immunohistochemical characteristics worthy to note. in a 38-year-old man with a complaint of headache for a couple of years and recently added nausea, vomiting, diplopia, progressive visual blurring and hearing loss, magnetic resonance imaging (mri) was remarkable for t1 shortening of leptomeninges and certain...
A case of spinal meningeal melanocytoma is reported along with clinicopathologic, immunohistochemical and ultrastructural studies. This patient presented clinically with paraparesis, tingling sensation and numbness of both lower extremities of 4 months duration. No mucocutaneous pigmented nevi were found. On operation, scattered coal-black pigmented lesions were found in the meninges between T3...
abstract meningeal melanocytoma is a rare tumor of nervous system, which originates from leptomeningeal melanocytes. the locations of melanocytoma in the nervous system are most frequently in the posterior fossa or along the spinal cord, and usually appear as an extra-axial mass. the manifestations of tumor are most often due to its compressing effect on adjacent nervous structures that causes ...
Polypoidal choroidal vasculopathy has also been described in different pathological conditions including central serous chorioretinopathy(5), circumscribed choroidal hemangioma(6); melanocytoma of the optic nerve(7); pathological myopia and staphyloma(8); or choroidal osteoma(9). PCV seems to behave more like a neovasculopathy occurring in a variety of different diagnoses than a distinct abnorm...
Introduction Primary cerebellopontine angle melanocytomas (PCPAMs) are very rare. Their natural history and prognosis are not fully understood. We reviewed the literature and add a new case to analyze PCPAM's presentation, radiological features, and outcome of treatment. Methods We performed a literature review using Medline, Embase, PubMed, and Cochrane databases. We searched for melanocytoma,...
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