Brain herniation (encephalocele) into arachnoid granulations: prevalence and association with pulsatile tinnitus and idiopathic intracranial hypertension.
Eric R SmithMichael Travis CatonJavier E Villanueva-MeyerJustin RemerLaura B EisenmengerAmanda BakerVinil N ShahAdelyn Tu-ChanKarl MeiselMatthew Robert AmansPublished in: Neuroradiology (2022)
In patients with PT, BHAG is a prevalent MRI finding that is strongly associated with the clinical diagnosis of IIH. The pathogenesis of BHAG remains uncertain, but recognition should prompt comprehensive evaluation for IIH.