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RT 230 Ch 7
Pathology for RTs
| Question | Answer |
|---|---|
| Brain abscess | is an encapsulated accumulation of pus within the cranium resulting from a cranial infection, penetrating head wound, or an infection spread thru the bloodstream |
| Encephalitis | an infection of the brain tissue and is usually viral in nature causing headaches, malaise, and coma |
| Glioma | most common type of primary brain tumor, composed of tissue that represents neuroglia, commonly occurring in the cerebral hemispheres of the posterior fossa |
| Herniated nucleus pulposus | herniated disk, resulting from a degenerative disease or trauma |
| Hydrocephalus | refers to an excessive accumulation of cerebrospinal fluid (CSF) within the ventricles of the brain |
| Meningioma | slow growing benign brain tumor that does not invade the brain but compresses it with its growth, and originates in the arachnoid tissue |
| Meningitis | an inflammation of the meningeal coverings of the brain and spinal cord caused by bacteria, viruses, and/or trauma that results in infections |
| Multiple sclerosis (MS) | a chronic, progressive disease of the nervous system most commonly affecting individuals between the ages of 20 and 40 that causes muscle impairment, loss of balance, tremors, vision impairment, and urinary dysfunction |
| Nucleus pulposus | pulpy center of the intervertebral disks |
| Pituitary ademona | usually a benign tumor of the pituitary gland that affects hormone production |
| Transient ischemic attack | a temporary episode of neurologic dysfunction that can precede a cerebrovasular accident |
| Central Nervous System (CNS) | is comprised of the brain and the spinal cord |
| Dura mater, Arachnoid, Pia matter | What are the 3 layers of the meninges? |
| Dura matter | outermost, tough layer of the meninges |
| Arachnoid | middle layer of meninges, cobweb appearance |
| Pia matter | innermost layer of the meninges |
| Subarachnoid space | a space located at the base of the brain filled with cerebrospinal fluid |
| Circle of Willis | supplies blood to the brain |
| Degenerative disk disease | the disk space becomes weak and ruptures, the nucleus pulposus protrudes and compresses on the spinal nerve roots |
| Cerebrovascular accident (CVA) or stroke | caused by atherosclerotic disease affecting the blood supply to the brain |
| Ischemic strokes | What type of stroke accounts for the majority of all strokes? |
| neoplasms of the pituitary | Erosion of the sella turcica is most commonly associated with what? |
| MRI | The imaging modality of choice for demonstration of herniated nucleus pulposus is? |
| Atherothrombotic brain infarction | infarction caused by thrombosis of a cerebral artery |
| Medulloblastoma | What neoplastic condition is highly malignant and often occurs in the cerebellum of children? |
| CT | What modality plays a significant role in the evaluation of the CNS? |
| Ultrasound | What modality is useful in evaluating the brain of neonates? |
Created by:
Chrslarsen
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