Coarctation of the frontal horns with acute distension of the trigones.
D000208:Acute Disease; D001927:Brain Diseases / Q000150:complications* / Q000503:physiopathology; D002552:Cerebral Ventricles / Q000473:pathology* / Q000601:surgery; D014695:Cerebral Ventriculography; D002555:Cerebrospinal Fluid / Q000502:physiology; D002557:Cerebrospinal Fluid Shunts; D003251:Constriction, Pathologic; D005260:Female; D006801:Humans; D008875:Middle Aged