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Radiotherapy Types| Cancer treatment with Radiation: NEET PG Radiology

Mar 30, 2023

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LINAC Machine

Interstitial Brachytherapy


Agents used for radiotherapy

Bragg peak

Image of comparison between X-ray with Bragg peak

Comparison between X-ray with bragg peak in medulloblastoma

The half-life of Radioisotopes

Techniques Used to Reduce the Damage to Normal Tissues




f. Gamma knife

g. Cyberknife

h. NCT

6 R's of Radiobiology

i. Fractionated Radiotherapy

1. Repair

2. Reoxygenation

3. Redistribution

4. Repopulation

5. Intrinsic Radiosensitivity

6. Reactivation of the immune response

Types of Fractionated Radiotherapy




Craniospinal Irradiation

Previous Year Questions

Q. What does LINAC produce?

Q. What is the most common radiation used in IORT?

Q. Afterloading is used in?

Q. Which radioisotopes are pure beta emitters?

Q. Which is shown in Bragg peak?

Q. Which Radioisotopes are used as permanent implants in Brachytherapy?

Q. A child undergoing radiotherapy, which tissue may be least affected?

Q. What is the first hormone deficiency in Craniospinal Irradiation?

RADIOTHERAPY Types Cancer treatment with Radiation NEET PG Radiology
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