| The most common intracranial sites of prostate cancer metastasis are the leptomeninges, cerebrum, and cerebellum. |
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| The brain weighed 1620 g, and macroscopic examination revealed congested leptomeninges covering the cerebral hemispheres. |
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| The only substantial internal finding was a thin layer of purulent exudate on the leptomeninges. |
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| Non-Hodgkin lymphoma may involve the CNS either by forming intraparenchymal masses or, more commonly, by infiltrating the leptomeninges. |
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| Microscopically, there were hyphae in sections of the brain abscesses as well as in the leptomeninges, liver, and lung. |
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| The most common cancers to involve the leptomeninges are breast cancer, lung cancer, and melanomas. |
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| As such, herein we present an HI patient with involvement of the leptomeninges. |
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| Positivity was intense in choroid plexus cells, inner and outer glia limitans, and leptomeninges and was moderate in ependymocytes and the perivascular endfeet. |
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| The leptomeninges and brain were hyperemic in all cases, four brains demonstrated diffuse leptomeningeal hemorrhages, and five had intracerebral hemorrhages. |
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| Neurocutaneous melanosis is characterized by the presence of congenital melanocytic nevi on the skin and melanocytic tumors in the leptomeninges of the central nervous system. |
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| Meningeal carcinomatosis is the tumoral invasion of the leptomeninges. |
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