Abstract
Background Neurosarcoid is known to develop in 5% of patients with sarcoidosis. A frequent manifestation of this condition is hydrocephalus, which will often require treatment with a ventricular shunt. Methods Presented here is the case of a patient whose initial manifestation of neurosarcoidosis was hydrocephalus, and who then represented with multiple shunt failures. Results On two revisions, the proximal catheter, after removal, was found to be occluded with noncaseating granulomatous material that had infiltrated the shunt lumen. Conclusions Although shunts may become occluded by inspissated proteinaceous or cellular debris, the occlusion of a shunt catheter by the ingrowth of the noncaseating granulomatous material of neurosarcoid has not been described before. This patient’s course, the histopathologic findings, and neurosarcoidosis in general are discussed here.
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