Neurosurgery Flashcards
Vessels of the scalp that are essential sources of perioperative bleeding and thrombosis as well as a pathway for infection to reach deeper cranial structures.
Emissary veins
Nerve associated with acoustic neuroma?
CN VIII
Curative treatment option for patients with meningiomas?
Total resection
Volume (ml) of CSF produced by the choroid per day?
500 ml of CSF per day
Most common location of cerebral aneurysm
Anterior communicating artery
IV anesthetic drug causing increased ICP
Ketamine
Features of subdural hematoma
Stop at the tentorium cerebelli and falx cerebri
Hyperdense cresent shaped lesion
Risk factors of subdural hematoma?
- Very young and old patient
- Cerebrospinal fluid leak
- Anticoagulant therapy
Cause of traumatic epidural hematoma
Tear in the arteries
Middle meningeal artery
Most commonly affected vessels in acute epidural hematoma?
Middle meningeal artery
Statement regarding meningiomas.
- Best treatment modality is surgery
- The recurrence rate of meningioma is associated with the extent of surgical removal.
- Using the original simpson grading system, the overall recurrence rates for grade 1,2,3,4 are 9%, 19%, 29%, and 40% respectively.
Neurosurgical procedure that may improve motor function and quality of life of patients with Parkinsons disease is?
Deep brain stimulation
A patient with lumbar spinal canal stenosis has relief of the symptoms when he assumes what position?
Body flexion
Acoustic neuroma arises from which nerve?
Cranial nerve VIII ( vestibulocochlear nerve)
ASIA grade of a patient with spinal injury with intact sensory but no motor function below the neurologic level and extends through sacral segment S4-S5.
Grade B ( incomplete)
