Abstract
Purpose of Review
Chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids (CLIPPERS) is a recently described treatable, inflammatory, brainstem predominant encephalomyelitis. The diagnosis of CLIPPERS is challenging without a specific biomarker, and thus it is important to consider if both the clinical and radiographic features are consistent with the diagnosis, or rather a disease mimicker.
Recent Findings
Many patients with CLIPPERS-like lesions have been described in the literature with follow-up revealing a range of alternative diagnoses, such as malignancies, vasculitis, and other specific inflammatory diseases. As a result, some have proposed that CLIPPERS might represent a pre-malignancy state or simply an initial clinical syndrome of a variety of possible etiologies.
Summary
We describe the typical clinical, radiographic, and pathological features of CLIPPERS and emphasize consideration for alternative diagnoses when findings are not classic. A recommended diagnostic evaluation and initial treatment plan is provided.
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References
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Nicholas L. Zalewski and W. Oliver Tobin declare that they have no conflict of interest.
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This article is part of the Topical Collection on Demyelinating Disorders
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Zalewski, N.L., Tobin, W.O. CLIPPERS. Curr Neurol Neurosci Rep 17, 65 (2017). https://doi.org/10.1007/s11910-017-0773-7
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DOI: https://doi.org/10.1007/s11910-017-0773-7