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Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

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Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
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A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...

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Proton Therapy Delivery and Its Clinical Application in Select Solid Tumor Malignancies
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Image guided radiotherapy for prostate cancer.

Guy Soete1, Dirk Verellen, Guy Storme

  • 1Department of Radiotherapy, UZ Brussel, av. Laarbeek 101, B-1090 Bruxelles, Belgique. Guy.Soete@uzbrussel.be

Bulletin Du Cancer
|April 9, 2008
PubMed
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External beam radiotherapy advances, including conformal and image-guided radiotherapy (IGRT), improve prostate cancer treatment precision. However, an ideal IGRT system for daily prostate imaging without radiation or markers remains elusive.

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Area of Science:

  • Oncology
  • Medical Physics
  • Radiotherapy Technology

Background:

  • External beam radiotherapy aims to eliminate tumors while minimizing healthy tissue damage.
  • Modern techniques enable dose escalation in prostate cancer treatment, achieving outcomes comparable to surgery or brachytherapy.
  • Conformal radiotherapy and image-guided radiotherapy (IGRT) have significantly enhanced radiation dose delivery precision.

Purpose of the Study:

  • To discuss advancements in external beam radiotherapy for prostate cancer.
  • To highlight the role of conformal radiotherapy and IGRT in improving treatment precision.
  • To identify the need for and challenges in developing ideal IGRT systems for prostate cancer.

Main Methods:

  • Review of modern radiation techniques, focusing on conformal radiotherapy and IGRT.
  • Discussion of conventional patient positioning limitations for prostate targeting.
  • Exploration of requirements for an ideal IGRT system.

Main Results:

  • Conformal radiotherapy shapes radiation dose to match tumor volume.
  • IGRT enhances accurate spatial delivery of radiation, improving prostate cancer disease control.
  • Current IGRT solutions lack an ideal system for daily, error-free, radiation-free, and marker-free prostate imaging.

Conclusions:

  • Advancements in radiotherapy have improved prostate cancer treatment efficacy and precision.
  • Accurate patient setup is crucial for effective radiotherapy delivery.
  • Further development is needed to achieve an ideal IGRT system that meets all desired criteria for prostate cancer treatment.