Abstract
We report a rare case of Erdheim-Chester disease (ECD) presenting as a progressive cerebellar syndrome and diabetes insipidus. On magnetic resonance imaging, a 7-mm extraaxial, enhancing mass was seen enveloping the right vertebral artery and was confirmed at autopsy to represent an adventitial xanthoma with lipid-laden, foamy histiocytes. The cerebellar syndrome most likely resulted from extensive histiocytic infiltration of the pons, particularly the basis pontis and middle cerebellar peduncles.
MeSH terms
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Aged
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Cerebellar Ataxia / diagnosis
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Cerebellar Ataxia / pathology
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Cerebellar Diseases / diagnosis*
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Cerebellar Diseases / pathology
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Cerebellar Nuclei / pathology
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Cerebellum / pathology*
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Diagnosis, Differential
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Follow-Up Studies
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Granuloma / diagnosis*
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Granuloma / pathology
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Histiocytosis, Langerhans-Cell / diagnosis*
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Histiocytosis, Langerhans-Cell / pathology
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Humans
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Lipomatosis / diagnosis*
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Lipomatosis / pathology
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Magnetic Resonance Imaging
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Male
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Medulla Oblongata / pathology
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Pons / pathology*