Institution: | 1.Department of Neuroradiology, Hospital Pedro Hispano, Matosinhos, Portugal;2.Department of Neurosurgery, Hospital Pedro Hispano, Matosinhos, Portugal;3.Department of Pathological Anatomy, Hospital Pedro Hispano, Matosinhos, Portugal;4.Department of Pathological Anatomy, Hospital Geral de Santo António, Matosinhos, Portugal |