An Intramural Macrocyst of an Acoustic Neurinoma Rupturing after Gamma Knife Radiosurgery: A Case Report - Bertalanffy, A; Aichholzer, M; Reinprecht, A; Brix, R; Ertl, A; Heimberger, K; Kitz, K (min - Minimally Invasive Neurosurgery, 2001)