Category: Other

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Khan Chapter 7 Summary

The quality of a radiation beam refers to its penetrating ability and is ideally specified by…

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Khan Summary Chapter 6

In the orthovoltage era, the skin was the limiting organ to delivering radiation.The skin erythema…

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Shortcut Keys for the Eclipse TPS

The following are shortcut keys for the Eclipse TPS that I thought could have potential use…

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Notes on Proton Planning

The accuracy of a delivered photon treatment is more of an isocentricity question in that if the…

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Khan Chapter 5 Summary

As radiation pass through media, it may strip electrons from atoms. This kind of radiation is…

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Khan Chapter 27 Summary

Protons that traverse through a medium can interact by inelastic collisions or elastic scattering…

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Khan Chapter 4.5 Summary

The linear accelerator uses high-frequency electromagnetic waves to accelerate electrons to…

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Khan Chapter 3 Summary

A vacuum sealed x-ray tube is made up of a cathode (negative electrode) and anode (positive…

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Khan Chapter 2 Summary

A radioactive nucleus with excess energy may distribute enough energy onto a nucleon for it…

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Khan Chapter 1 Summary

The atom is made up of a nucleus and a surrounding electron cloud that orbits the nucleus…

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Basic IMRT QA/Portal Dosimetry Guide

As opposed to using a phantom and ionization chamber for pre-treatment verification, a portal…

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Basic Optimization Guide

To limit dose to an OAR during optimization, you may find yourself using numerous upper objectives. Every one of these objectives are assigned a priority, and when you have numerous…