CBG Webinars

Funding for this webinar curriculum was provided through TERSERA

Isotopes and Dose calculation Calculations Algorithms

M. Wronski 

September 16, 2024

Objectives:

  • Review most common isotopes used for HDR, LDR, and VLDR brachytherapy

  • Review sealed and unsealed sources and impact on designing a brachytherapy program

  • Brief overview of dose calculation algorithms and treatment planning systems

Radiobiology of Brachytherapy

G. Morton, E. Vigneault

October 7, 2024

Objectives:

  • Compare and contrast differences in dosimetric implications of brachytherapy and EBRT

  • Review fundamentals of radiobiology and impact of radiation on tumours and normal tissues

  • Review differences in HDR and LDR sources on tumour control and tissue complications

Classic Systems: Manchester and Paris

G. Morton

October 28, 2024

Objectives:

  • To plan a single plane implant using Manchester and Paris Systems

  • Apply these underlying principles to volume implants

  • Assess how these systems can inform modern implant techniques

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Prostate LDR Brachytherapy: Planning, Techniques, Correction of Suboptimal Implants

M. Keyes, K. Martell, E. Vigneault

November 18, 2024

Objectives:

  • Review implant technique - How do I do it?

  • Discuss LDR pre-planning and intraoperative planning

  • Incorporation of advanced imaging in pre-planning LDR implants - rigid vs cognitive fusions

  • Discussion around correction of poor implant/dosimetry

Prostate HDR Brachytherapy: Techniques, Optimization, Imaging

M. Corkum, A.G. Martin, R. Glicksman, R. Weersink

November 25, 2024

Objectives:

  • Review implant technique - How do I do it?

  • Importance of TRUS position and its impact on needle implantation

  • Incorporation of advanced imaging (MRI/PET) in planning - rigid vs cognitive fusions

  • Review some dosimetry and implant corrections 

GYN Intracavitary and Hybrid Applicators

J. Croke, N. Shahid, M. Serban

December 16, 2025

Objectives:

  • Introduce all different applicator types - ring/tandem, tandem/ovoid, venzia, vienna etc

  • Review intraoperative image guidance

  • Review basic procedure technique - how do I do it?

  • Review dosimetry and implant corrections - show examples of under/over dosimetry with intracavitary 

Penile Brachytherapy

J. Crook, D. Batchelar

January 20, 2025

Objectives:

  • Explain how the rules of the Paris system are still relevant to design an implant, guide needle placement and evaluate homogeneity.

  • Brief review of published experience for LDR, PDR and more recently HDR brachytherapy.

  • Provide tips on avoidance and management of the most common side effects of penile brachytherapy, meatal stenosis and soft tissue ulceration/necrosis.

  • Describe the technical modifications for transitioning from an LDR approach to HDR.

  • Describe applicators for surface and interstitial implants.

  • Review CT-based treatment planning principles and objectives.

  • Review pre-treatment QA. 

Skin Brachytherapy

T. Barnes, A. Rembielak M, Paudel

March 3, 2025

Objectives:

  • Why skin brachytherapy vs other techniques (ortho, electrons or EBRT)

  • Overview of workflow - simulation, planning, 3D printing if used

  • Different types of skin brachytherapy techniques - customized vs commercial applicators

  • Toxicities of skin brachytherapy

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Eye Brachytherapy

D. Roberge

March 17, 2025

Objectives:

  • Describe indications for brachytherapy

  • Isotopes and materials used in plaque brachytherapy

  • Workflow and technique

  • Toxicities

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Rectal Brachytherapy

T. Vuong

April 21, 2025

Objectives:

  • Data for rectal brachytherapy

  • Which patients are candidates

  • Which brachytherapy techniques can be used – intraluminal, single channel, multi-channel, interstitial? Contact brachytherapy

  • How to setup a rectal brachytherapy program?

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