Familial Encephalopathy with Neuroserpin Inclusion Bodies (FENIB) is a newly described disorder that presents as an early-onset progressive dementia with or without seizures in adults and myoclonic epilepsy in children and younger adults. Most cases described to date are in the United States, but a few cases are known to exist in Germany, Korea, and Japan. A clinical research study on FENIB is ongoing at the National Human Genome Research Institute, National Institutes of Health. For information, contact Felicitas Lacbawan, MD, or Joan Balog, RN, MSN, at jbalog@nhgri.nih.gov; telephone: (301) 496-5422; Medical Genetics Branch, NHGRI, NIH, Building 10, Room 10-C103, 10 Center Drive-MSC 1852, Bethesda, MD 20892.
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