Physics in radiation oncology : self-assessment guide by Andrew Godley PhD, Ping Xia PhD PDF

By Andrew Godley PhD, Ping Xia PhD

This guideóa better half to the Radiation Oncology Self-Assessment Guideóis a accomplished physics evaluate for an individual within the box of radiation oncology seeking to increase their wisdom of clinical physics. It covers extensive the foundations of radiation physics as utilized to radiation treatment besides their technical and medical purposes. To foster retention of key thoughts and knowledge, the source makes use of a elementary "flash card" query and solution structure with over 800 questions. The questions are supported by way of targeted solutions and rationales besides reference citations for resource information.

The advisor is produced from 14 chapters that lead the reader in the course of the radiation oncology physics box, from easy physics to present perform and newest recommendations. features of easy physics coated comprise basics, photon and particle interactions, and dose dimension. a bit on present perform covers therapy making plans, defense, laws, caliber coverage, and SBRT, SRS, TBI, IMRT, and IGRT suggestions. A bankruptcy targeted to this quantity is devoted to these issues in diagnostic imaging so much appropriate to radiology, together with MRI, ultrasound, fluoroscopy, mammography, puppy, SPECT, and CT. New applied sciences corresponding to VMAT, novel IGRT units, proton treatment, and MRI-guided remedy also are integrated. centred and authoritative, this must-have evaluation combines the services of scientific radiation oncology and radiation physics college from the Cleveland hospital Taussig melanoma Institute.

Key Features:

  • Includes greater than 800 questions with precise solutions and rationales
  • A one-stop advisor for these learning the physics of radiation oncology together with these wishing to augment their present wisdom of scientific physics
  • Delivered in a "flash card" structure to facilitate keep in mind of key suggestions and data
  • Presents a distinct bankruptcy on diagnostic imaging themes such a lot appropriate to radiation oncology
  • Content supplied by way of an enormous array of members, together with physicists, radiation oncology citizens, dosimetrists, and physicians

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Extra resources for Physics in radiation oncology : self-assessment guide

Sample text

The thicker end, known as the heel, modulates the beam more than the other end, the toe. Physical wedges are available in fixed, standard angles, usually 15°, 30°, 45°, and 60°. The Universal Wedge is similar to a 60° physical wedge, but it is integrated into the head of the linac. The wedge moves in and out of the treatment beam, depending upon the desired wedge isodose angle. A 60° wedge isodose angle would require that the wedge be in the beam for the duration of the treatment field. For a lower wedge isodose angle, the wedge would move out of the treatment field for a fraction of the treatment.

1 Production of X-Rays • Questions Question 14 What is beam hardening? Question 15 What is heel effect? 37 RADIATION GENERATING EQUIPMENT Answer 12 HVL is defined as the thickness of material required to reduce the intensity of a beam to one half of its initial value. 693/μ. 1 cm µ Answer 14 The lower energy photons of the polyenergetic X-ray beam will be preferentially removed from the beam while passing through matter. The shift of the X-ray spectrum to higher effective energies as the beam transverses matter is called beam hardening.

Molybdenum-99 decays via beta decay to Tc-99m. In this metastable state, it has a half-life of 6 hours. It then decays via gamma emission, releasing a photon of 141 keV, which is used for imaging in single-photon emission computed tomography (SPECT). Answer 6 Isobaric decay is any radioactive decay in which the original (or parent) nucleus and the new (or daughter) nucleus contains the same number of total nucleons (protons + neutrons). When this occurs, the parent nucleus and the daughter nucleus are referred to as isobars of one another.

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Physics in radiation oncology : self-assessment guide by Andrew Godley PhD, Ping Xia PhD


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