obsolete COL4A1-related familial vascular leukoencephalopathy (obsolete MONDO:0011865)
OBSOLETE. A brain disease characterized by autosomal dominant inheritance of fragile small blood vessels in the brain, leukoencephalopathy, increased risk of stroke, seizure and migraine and in some cases Axenfeld-Riegar anomaly that has material basis in heterozygous mutation in the COL4A1 gene on chromosome 13q34.