… We observed significantly higher MIB-1 cell proliferation indices in grade II than in grade I
tumors in our data (Table 1) and MIB-1 positively correlated with tumor grading (Spearman’s R…

… This check-up for 5-ALA fluorescence took less than 10 s. All samples were labelled according
to the 5-ALA fluorescence status as 5-ALA positive (strong or vague) or 5-ALA negative. …

Objective. Frameless stereotactic navigation devices require preoperative application of skin
markers (SM) and planning radiography, which limits their even wider use. Therefore, we …

… 1 on one side, which means that the tumor’s growth extended beyond the medial tangent. …
Asa SL, Ezzat S: The cytogenesis and pathogenesis of pituitary adenomas. Endocr Rev 19:798…

BACKGROUND: Because of intratumoral heterogeneity, diffusely infiltrating gliomas that
lack significant contrast enhancement on magnetic resonance imaging are prone to tissue …

Object The aim of this study was to determine the value of high-field magnetic resonance (MR)
imaging for diagnosis and surgery of sellar lesions. Methods High-field MR images were …

… Burtscher J, Dessl A, Bale R, Eisner W, Auer A, Twerdy K, Felber S: Virtual endoscopy for …
I suggest that Wolfsberger et al. consider the present study the first step in an ongoing quest …

Stereotactic radiosurgery (RS) and surgery have proved to be effective treatment modalities
for brain metastasis. We followed 133 patients whose treatment for intracranial disease was …

… With this high-dose therapeutic regimen, the malignant meningioma remained stable in
size until the patient’s death 11 years after GKRS treatment from a cause unrelated to tumor …

… Stefan Wolfsberger is at present a technological advisory board member and educational
consultant of Medtronic. All other authors have declared no competing interests. …