Proliferative Vasculopathy and Hydranencephaly-Hydrocephaly Syndrome, also known as fowler syndrome, is related to hydranencephaly and hydrocephalus, congenital, 1. An important gene associated with Proliferative Vasculopathy and Hydranencephaly-Hydrocephaly Syndrome is FLVCR2 (FLVCR Choline And Putative Heme Transporter 2), and among its related pathways/superpathways are Metabolism and Hemesynthesis defects and porphyrias. The drugs Acetylcholine and Cholinergic Agents have been mentioned in the context of this disorder. Affiliated tissues include spinal cord and brain, and related phenotypes are emg abnormality and polycystic ovaries