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Updated: May 8, 2026

Stereotactic Radiosurgery for Gynecologic Cancer

Stereotactic Radiosurgery for Gynecologic Cancer

Published on: April 17, 2012

[Bladder cancer radiotherapy margins].

É Régnier¹, T D Nguyen, V Beckendorf

¹Département de radiothérapie, institut Jean-Godinot, 1, rue du Général-Kœnig, 51100 Reims, France.

Cancer Radiotherapie : Journal De La Societe Francaise De Radiotherapie Oncologique

|August 24, 2013

Summary

This summary is machine-generated.

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Conservative treatment for invasive bladder carcinoma involves transurethral resection, radiation therapy, and chemotherapy. Precise planning target volume margins are crucial due to bladder wall movement during treatment.

Area of Science:

Oncology
Radiation Oncology
Urology

Context:

Radical cystectomy is standard for invasive bladder carcinoma.
Conservative treatment is an alternative for select patients.
This involves transurethral resection, whole-bladder/pelvis radiation, and chemotherapy.

Purpose:

To define planning target volume (PTV) margins for bladder cancer radiotherapy.
To address bladder wall movement during treatment.
To explore potential reductions in margins with advanced techniques.

Summary:

Anisotropic PTV margins are necessary due to bladder mobility: 10mm inferior, 15mm lateral, 20-25mm anterior/superior.
Image-guided and adaptive radiotherapy may allow margin reduction.
Partial bladder radiotherapy shows promise for selected patients.

Keywords:

Bladder Cancer Cancer de vessie Marges PTV Mouvement des organes Organ motion PTV margins Radiation therapy Radiothérapie

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Impact:

Optimized radiation margins can improve treatment accuracy.
Reduced margins may minimize side effects for bladder cancer patients.
Advancements in radiotherapy techniques enhance conservative treatment options.