Cauda equina malignant peripheral nerve sheath tumor presenting with subarachnoid hemorrhage: a case report Rafael Aponte-Caballero; Julian Alfonso Sierra-Peña; Juan Felipe Abaunza-Camacho; William Mauricio Riveros-Castillo; Javier M. Saavedra;

Sinking bone flap due to overdrainage of a ventriculoperitoneal shunt. A case report and review of the literature Raquel Gutiérrez-González; Frank Hamre; Álvaro Zamarrón; Gregorio Rodríguez-Boto;