title: Porencephalic cyst in pycnodysostosis.
abstract: We describe a case of pycnodysostosis with porencephaly and suggest an explanation for the porencephaly by a mechanism of imbalance between brain growth and its vascular supply and a normal but unopposed cerebrospinal fluid pressure.
authors.affiliation: Department of Neurology and Neurosurgery, Hospital de S João, Porto, Portugal.
authors.forename: J
authors.initials: J
authors.lastname: Figueiredo
authors.forename: A
authors.initials: A
authors.lastname: Reis
authors.forename: R
authors.initials: R
authors.lastname: Vaz
authors.forename: M
authors.initials: M
authors.lastname: Leáo
authors.forename: C
authors.initials: C
authors.lastname: Cruz
mesh_terms: D000328:Adult; D001927:Brain Diseases / Q000175:diagnosis*; D003560:Cysts / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005149:Facial Expression; D006801:Humans; D008297:Male; D010026:Osteosclerosis / Q000175:diagnosis*; D013577:Syndrome