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SU‐E‐T‐291: How Many Sets of Four‐Dimensional Computed Tomography (4DCT) Images Are Needed to Determine the Internal Target Volume (ITV) for Lung …

J Cao, Y Cui, M Werner‐Wasik, C Champ, H Liu… - Medical Physics, 2011 - link.aip.org
Purpose: For the treatment of patients with lung cancer, internal target volume (ITV) is frequently
determined by contouring of gross tumor volumes (GTV) on 10 phases of a four‐dimensional
computed tomography (4DCT) scan. This study investigated the possibility of generating ...

A Beam-specific Planning Target Volume (PTV) Design for Proton Therapy to Account for Setup and Range Uncertainties

PC Park, XR Zhu, AK Lee, N Sahoo… - International Journal of …, 2011 - Elsevier
... to the clinical target volume (CTV). The CTV to PTV margins are determined by considering
uncertainties that arise during the treatment beam delivery process. The magnitude of errors
resulting from hardware performance uncertainties, patient setup errors, and internal organ ...
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4D-CT scan and radiotherapy for hepatocellular carcinoma: Role in the definition of internal target volume (ITV).

B De Bari, N Sellal… - … : journal de la Societe francaise de …, 2011 - ncbi.nlm.nih.gov
PURPOSE: To evaluate the role of 4D-CT scan and the breath-related margins in the definition
of internal target volume (ITV) during radiotherapy for hepatocellular carcinoma. PATIENTS AND
METHODS: All patients treated for hepatocellular carcinoma that underwent a 4D-CT ...

Doses to internal organs for various breast radiation techniques-implications on the risk of secondary cancers and cardiomyopathy

[HTML] from ro-journal.comJP Pignol, BM Keller… - Radiation Oncology, 2011 - ro-journal.com
... To avoid confounding factors linked to patient's anatomical characteristics and assess internal
organ dose deposition accurately, we used Monte Carlo ... and permanent breast seed implants
with 103 Pd seeds delivering a dose of 90 Gy on the Planning Target Volume (PTV) [14]. ...
Cited by 2 - Related articles - Cached - All 11 versions

The management of tumor motions in the stereotactic irradiation to lung cancer under the use of Abches to control active breathing

TI Tarohda, M Ishiguro, K Hasegawa, Y Kohda… - Medical Physics, 2011 - link.aip.org
... M. Kenjo, Y. Kaneyasu, K. Wadasaki, K. Ito, and M. Ohkawa, “Interbreath-hold reproducibility
of lung tumour position and reduction of the internal target volume using a voluntary breath-hold
method with spirometer during stereotactic radiotherapy for lung tumours,” Br. J. Radiol. ...

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