| Three cases of CLIPPERS: a serial clinical, laboratory and MRI follow-up study. | |
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MedLine Citation:
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PMID: 21556878 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The aim of the study was to further determine the pathophysiology, clinical course, MRI-features and response to therapy of chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids (CLIPPERS), which has recently been proposed as a rare chronic inflammatory central nervous system disorder responsive to immunosuppressive therapy. Three patients with this rare entity underwent serial clinical and bimonthly MRI follow-up over a period of up to 16 months. Extensive laboratory work-up and brain biopsy were performed. Intravenous methylprednisolone or oral dexamethasone was administered as treatment, additionally cyclophosphamide in one patient. Clinically, diplopia, nystagmus, ataxia and facial paresthesia were the cardinal symptoms. Magnetic resonance imaging (MRI) disclosed patchy spot-like gadolinium enhancement in a "salt-and-pepper like appearance" in the pons, midbrain and cerebellum, in two cases with thalamic and in the other with spinal involvement. Brain biopsies demonstrated a predominantly angiocentric but also diffuse infiltration pattern by small mature lymphocytes. Treatment with steroids led to rapid clinical improvement and marked resolution of MRI lesions. As discontinuation of steroids led to clinical relapse, one patient was treated with a further course of steroids and the other with steroids and cyclophosphamide as immunosuppressive therapy. This led to stable remission with only mild clinical residue and normalization of MRI. Extensive laboratory and radiological work-up could not identify any other cause of the disease. Of note, in two cases a marked elevation of IgE in serum was found initially and throughout the course. CLIPPERS seems to be a distinct inflammatory central nervous system disorder. It shows characteristic MRI core features. Extrapontine involvement seems to be frequent. Histologically it is characterised by predominantly angiocentric infiltration by small mature lymphocytes. A pathogenetic relationship between the elevated IgE levels and the perivascular infiltrates can be presumed. It is responsive to immunosuppressive therapy and can require prolonged or maintenance treatment. |
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Authors:
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O Kastrup; J van de Nes; T Gasser; K Keyvani |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-5-10 |
Journal Detail:
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Title: Journal of neurology Volume: - ISSN: 1432-1459 ISO Abbreviation: - Publication Date: 2011 May |
Date Detail:
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Created Date: 2011-5-10 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0423161 Medline TA: J Neurol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Neurology, University Duisburg-Essen, Hufelandstr. 55, 45122, Essen, Germany, oliver.kastrup@uni-due.de. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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