Exam 21: Neurosurgery

What is the term for the bloodless plane that contains loose areolar tissue and permits mobility of the scalp?

Twelve pairs of cranial nerves arise within the cranial cavity.Although they are part of the peripheral nervous system,from a surgical standpoint they are considered part of the anatomy of the head.Which three pairs of nerves,conveniently considered together because of their motor influence on the eye,are subject to toxic,inflammatory,vascular,and neoplastic lesions?

Most patients will have undergone diagnostic procedures before arriving in the neurosurgery OR.Radiologic and other diagnostic studies are of great significance to the surgical team for determining a surgical diagnosis and developing a plan for treatment.Magnetic resonance imaging (MRI)is the gold standard imaging scan for the diagnosis of tumors,abscesses,tissue/ligamentous injury,and disk herniation.Which three diagnostic tests of neurologic activity can be performed before surgery and also concurrently during the procedure?