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  • Title: Fatal B-cell lymphoma following chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids.
    Author: De Graaff HJ, Wattjes MP, Rozemuller-Kwakkel AJ, Petzold A, Killestein J.
    Journal: JAMA Neurol; 2013 Jul; 70(7):915-8. PubMed ID: 23649857.
    Abstract:
    IMPORTANCE: Recent reports on chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids (CLIPPERS) suggest that patients who have a relapse respond very well and that disease progression can be avoided if timely corticosteroid therapy is started. We report on a well-documented patient who presented with clinical, radiological, and pathological characteristics of CLIPPERS and who had an unfavorable outcome. OBSERVATIONS: We present the clinical, imaging, laboratory, brain biopsy, and autopsy findings of a 57-year-old male patient with CLIPPERS who repeatedly responded well to high-dose corticosteroids. During follow-up, however, treatment failed, and he had a biopsy-confirmed diagnosis of lymphomatoid granulomatosis that evolved into fatal B-cell lymphoma of the central nervous system. CONCLUSIONS AND RELEVANCE: The clinical and imaging features of CLIPPERS include an abundance of differential diagnoses, and the follow-up periods of the described cases classified as CLIPPERS have been limited. Therefore, the question remains whether CLIPPERS is an actual new disease entity or represents a syndrome that includes different overlapping diseases and their prestages. Our case report shows that a typical presentation of CLIPPERS does not uniformly imply a favorable outcome, even when timely treatment regimens have been given.
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