Abstract
An extremely rare case of isolated histioproliferative lesions arising from the subarachnoid space of the left occipital convexity and the orbit is presented. The presence of histiocytes showing lymphophagocytosis and positivity for S-100 protein staining confirmed that the lesions represented extranodal forms of sinus histiocytosis with massive lymphadenopathy.
MeSH terms
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Adult
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Arachnoid*
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Central Nervous System Diseases / diagnosis
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Central Nervous System Diseases / pathology
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Central Nervous System Diseases / surgery
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Histiocytes / pathology
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Humans
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Immunohistochemistry
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Lymphatic Diseases / diagnosis*
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Lymphatic Diseases / pathology
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Lymphatic Diseases / surgery
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Lymphocytes / physiology*
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Male
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Orbital Diseases / diagnosis*
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Orbital Diseases / pathology
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Orbital Diseases / surgery
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Phagocytosis*
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Pia Mater*
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S100 Proteins / metabolism
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Tomography, X-Ray Computed