Rosette-forming glioneuronal tumor of the fourth ventricle. Two cases report and literature review.

Rosette-forming glioneuronal tumor of the fourth ventricle is a primary central nervous system tumor introduced in the group of glioneuronal tumors in the WHO classification of 2007. Initially it was described around the fourth ventricle, but recently have been published cases in different locations. We present 2cases of this rare tumor, both surgically treated.

Significant Hemorrhage Rate Reduction after Gamma Knife Radiosurgery in Symptomatic Cavernous Malformations: Long-Term Outcome in 95 Case Series and Literature Review.

Background: The natural history of cavernous malformations (CMs) has remained unclear. This lack of knowledge has made treatment decisions difficult. Indeed, the use of stereotactic radiosurgery is nowadays controversial.

[Casuistry review of patients undergoing surgery for pituitary adenomas in Getafe University Hospital (Spain)].

Objective: To perform a casuistry review of patients diagnosed with pituitary adenomas (PA) who underwent surgery performed by the same neurosurgeon after 1995.

Material And Methods: A descriptive and retrospective study was performed in 98 patients with PA undergoing surgery from 1995-2008. Tumor size and data on functionality, pathology and postprocedural complications were analyzed.