: Forty-four cases of meningeal hemangiopericytoma that were treated between 1938 and
1987 are reviewed. Fifty-five percent of these tumors occurred in men. The average age of the …

BACKGROUND Pituitary carcinomas are rare adenohypophysial neoplasms, the definition,
diagnosis, therapy, and prognosis of which are controversial. METHODS Pituitary …

The saccadic system accurately compensates for perturbations of eye position produced by
microstimulation of the superior colliculus. This requires that information about the stimulation…

A gradient of response magnitude was observed across the movement fields (the range of
eye movements which alter the discharge frequency of a neuron) of neurons in the …

BACKGROUND: Volumetric modulated arc therapy (VMAT) has been shown to be feasible
for radiosurgical treatment of multiple cranial lesions with a single isocenter. OBJECTIVE: To …

Object The World Health Organization (WHO) reclassified atypical meningiomas in 2000,
creating a more clear and broadly accepted definition. In this paper, the authors evaluated the …

Purpose To demonstrate plan quality and provide a practical, systematic approach to the
treatment planning technique for single isocenter cranial radiosurgery with volumetric …

In sub-Saharan Africa, approximately 1 in 2 HIV-1-infected persons living in a couple have a
serodiscordant partner. Recent data suggest a large proportion of new HIV-1 infections in …

BACKGROUND: Surgery is a highly technical field that combines continuous decision-making
with the coordination of spatiovisual tasks. OBJECTIVE: We designed a virtual interactive …

Subthalamic deep brain stimulation (DBS) is superior to medical therapy for the motor
symptoms of advanced Parkinson's disease (PD), and additional evidence suggests that it …