Typically found at the bifurcation of the circle of Willis:
Aneurysm
Through the sella turcica for pituitary tumor removal:
Transsphenoidal
Premature closure of the cranial structures of an infant:
Craniostenosis
Abnormal accumulation of CSF in the subarachnoid space due to ...
Chapter 24 Neurosurgery
Typically found at the bifurcation of the circle of Willis: - Answer Aneurysm
Through the sella turcica for pituitary tumor removal: - Answer Transsphenoidal
Premature closure of the cranial structures of an infant: - Answer Craniostenosis
Abnormal accumulation of CSF in the subarachnoid space due to obstruction,
congenital malformation, or excessive formation: - Answer Hydrocephalus
Layer of tissue covering periosteum of cranial bones: - Answer Galea aponeurotica
Congenital defect with abnormal communication between arteries and veins: - Answer
AVM
Layer containing cerebrospinal fluid: - Answer Subanrachnoid space
Tumor of the meninges? - Answer Meningioma
Protrusion of the nucleus p pulposus: - Answer Herniated disc
Occurs when veins in the cerebral cortex or bridging the cerebral cortex are torn: -
Answer Subdural hematoma
Tumor of the eighth cranial nerve: - Answer Acoustic neuroma
Results from torn vessels in the Dura matter: - Answer Epidural hematoma
Formation of osteophytes, causing compression within the spinal canal: - Answer
Spondylosis
Malignant cranial tumor that usually cannot be excised, grated between one and four: -
Answer Astrocytoma
Inflammation and infection of the three layers surrounding the brain and spinal cord: -
Answer Meningitis
What are The most common reasons for neurosurgery? - Answer Compression of
cranial nerves, destruction of brain tissue, irritation of cerebral cortex, increased
intracranial pressure
What is the most common type of brain tumor? - Answer Glioma
, What is the Mayfield pin fixational device used to accomplish? - Answer Complete
immobilization of the head for cranial procedures
Access to the occipital lobe of the brain may be accomplished with the patient in either
of two positions. Name the two possible positions. - Answer Sitting position, prone
What can be used to create the burr holes for the Craniotomy or provide relief for for
intracranial pressure if you are doing a craniotomy how is the bone flap created? -
Answer Hudson brace with attachments
What is done to counteract friction, remove bone dust, and eliminate heat during the
process of drilling bone? - Answer Irrigate drill bit with saline
When enlarging the holes drilled or removing bone what is used to accomplish the
process? What should the ST do as the pieces are removed? - Answer Double-action
rongeur or Kerrison rongeur.
How is bleeding controlled during the craniotomy? - Answer Bone wax and
neurosurgical sponge
What is done with the bone flap during the craniotomy procedure? - Answer Place in the
basin on back table to soak in Betadine solution or normal saline and antibiotic
How is the dura separated from the craniotomy? - Answer #3 Penfield dissector
What is used for hemostasis during the procedure? - Answer warm saline irrigation,
Surgicel, thrombin-impregnated Gelfoam, and bipolar cautery
How is the dura lifted free from the brain tissue? - Answer This is achieved with 4-0
braided nylon or dural hook
What is used to protect brain tissue during the procedure? - Answer Cottonoid patties
are placed under the dura with bayonet forceps
What is used to retract or provide visualization during the procedure? - Answer 4-0 dural
traction sutures are placed along the dural edges and tagged with mosquito hemostats
for retraction
Describe how the bone flap is closed: - Answer Airtight fashion with a running 4-0
braided nylon or silk suture, secured to cranium with titanium plates and screws
What is the ideal temperature for irrigation fluid that will be used withing the cranium? -
Answer Body temperature saline and antibiotic
What is the master gland of the body? - Answer Hypophysis (pituitary gland)
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