Slackers radiation oncology fact stack
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Slackers Radiation Oncology Fact Stack. Mike Ori. Disclaimer. These represent my understanding of the subject and have not been vetted or reviewed by faculty. Use at your own peril. I can’t type so below are common missing letters you may need to supply e r l

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Disclaimer
Disclaimer

  • These represent my understanding of the subject and have not been vetted or reviewed by faculty. Use at your own peril.

  • I can’t type so below are common missing letters you may need to supply

  • e r l

  • I didn’t use greek letters because they are a pain to cut and paste in.



  • Screening

  • Diagnosis

  • Staging

  • Therapy

  • Follow-up









  • Use of malignant 99mTc-sestamibi to identify areas of angiogenesis and tumor.


  • Compare malignant sestamibi scans to MRI





  • Compare somatostatin receptors on the surface of cells. Some types of cancer (octreotide scanning to MRI/CT


  • Sometimes shows somatostatin receptors on the surface of cells. Some types of cancer (mets when other modalities don’t

  • Poorer anatomic localization than other modalities

  • Can be used to indicate treatment with yttrium 90-octrotide





  • CT of tissue to look for marker compounds that indicate growth or abnormal metabolism.

    • The workhorse

  • PET

    • Especially when combine with CT

  • MRI

    • Increasing in use. Dominant in some areas

  • Radionucleotide bone scans

    • For skeletal mets

  • Ultrasound

    • Rarely



  • Fluoro of tissue to look for marker compounds that indicate growth or abnormal metabolism.-D-Glucose is injected into the body. Hot spots appear in any tissue actively metabolizing glucose. This includes tumors but also inflammed and regnerating areas.



  • Non-small cell lung cancer of tissue to look for marker compounds that indicate growth or abnormal metabolism.

  • Colorectal cancer

  • Melanoma

  • Lymphoma

  • Head and neck cancer (not thyroid or CNS)

  • Esophageal

  • Cervical

  • Breast monitoring and restaging

  • Thyroid restaging


  • Explain of tissue to look for marker compounds that indicate growth or abnormal metabolism.radionucleotide bone scans


  • 99m of tissue to look for marker compounds that indicate growth or abnormal metabolism.TC-methylene diphosphonate is injected into the body and incorporated into hydroxyapatite in the bone by osteoblasts. Thus areas of bone growth are visible.

  • Needs follow-up anatomic imaging












  • How many in the USlinacs can fit on the head of a pin?




  • Teletherapy in the US uses a radiation beam generated by source remote to the patient. This is your classic sci-fi death ray.

  • Brachytherapy places an intrinsically radioactive substance in close approximation to the target tissue.





















  • Omas prescribed of the CNS

    • Schwanoma

    • Chordoma

    • Meningioma

    • Pituitary adenoma

  • AVM

  • Trigeminal neuralgia

  • Pterygium

  • Heterotopic ossification

  • Trigeminal neuralgia


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