Intracranial Melanotic Schwannoma: A Case Report of Recurrence with Extra- and Intradural Manifestation Two Decades After Initial Diagnosis and Treatment - Ditz, C.; Brunswig, K.; Meyer, C.; Reusche, E.; Nowak, G.; Tronnier, V. (Central European Neurosurgery - Zentralblatt für Neurochirurgie, 2011)