Week 3 notes

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Author:
lazzsant
ID:
130197
Filename:
Week 3 notes
Updated:
2012-01-26 18:13:50
Tags:
peripheral neuropathies myopathies etc
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Week 3 notes
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  1. Antoni A
    • Densely packed spindle cells
    • Seen in schwannomas
  2. Antoni B
    • loose, myxoid regions
    • Seen in schwannomas
  3. Verocay bodies
    • Cell nuclei that form orderly palisades in Antoni A tissue.
    • Seen in schwannomas
  4. PTA
    Prior to admission
  5. DTR
    Deep tendon reflex
  6. NCS
    nerve conduction studies
  7. blood/gas coefficient
    solubility in blood
  8. Porphyria
    Porphyrias are a group of rare disorders passed down through families, in which an important part of hemoglobin, called heme, is not made properly. Heme is also found in myoglobin, a protein found in certain muscles.
  9. Syringomyelia
    Syringomyelia is damage to the spinal cord due to the formation of a fluid-filled area within the cord.
  10. Multiple system atrophy
    Multiple system atrophy (MSA) is a rare condition that causes symptoms similar to Parkinson's disease. However, patients with MSA have more widespread damage to the part of the nervous system that controls important functions such as heart rate, blood pressure, and sweating.
  11. Riley- Day syndrome
    Riley-Day syndrome is an inherited disorder that affects the development and function of nerves throughout the body.
  12. Causalgia
    Causalgia is a rare pain syndrome related to partial peripheral nerve injuries. The peripheral nervous system encompasses nerves that extend from the central nervous system of the brain and spinal cord to serve limbs and organs. Severe cases are called major causalgia. Minor causalgia describes less severe forms, similar to reflex sympathetic dystrophy (RSD). RSD includes muscular and joint pain symptoms, and changes in bone density. Causalgia is usually caused by brachial plexus injuries, involving nerves that run from the neck to the arm. The disruption of neural signals causes pain and increased release of the neurotransmitter norepinephrine, which causes vascular symptoms.
  13. dysmyelination
    flawed manufacture of myelin
  14. demyelination
    destruction of myelin
  15. leukodystrophies
    disruption of myelin metabolism

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