The first of these two volumes is the position and extent of the primary tumour; this is known as the gross tumour volume (GTV). The second volume surrounds the GTV and describes the …

In all these reports, special attention was brought to introduce and define the concept of target volume and organ-at-risk [e.g., Gross Tumor Volume (GTV), Clinical Target Volume (CTV), …

The GTV may consist of primary tumour (GTV-T), metastatic lymphadenopathy (GTV-N), or other metastases (GTV-M). The GTV corresponds almost always to those parts of the malignant …

The gross tumor volume (GTV) is the gross demonstrable extent and location of the tumor. It may consist of primary tumor, metastatic lymphadenopathy, or other metastases. Delineation of …

Report 50 completely supersedes and updates ICRU Report 29 (published in 1978). The different volumes, which need to be identified prior to any radiotherapy, are first defined: the gross …

The concepts of Gross Tumor Volume (GTV), Clinical Target Volume (CTV), Planning Target Volume (PTV), Organs at Risk (OARs) and Planning Organ at Risk Volume (PRV) are …

What’s relevant in ICRU 83 ? Because delineation of a GTV may vary according to the diagnostic modality (e.g., clinical examination, anatomic imaging, functional imaging) used, a clear …

Jan 22, 2017 · It outlines volumes such as the gross tumor volume (GTV), clinical target volume (CTV), planning target volume (PTV), treated volume, and irradiated volume. It also discusses …

Consistent with previous ICRU Reports 50 (ICRU, 1993), 62 (ICRU,1999) and 83 (ICRU, 2010), this report recommends a strict definition of target volumes [gross tumor volume (GTV) clinical …

Is a tissue volume that contains a demonstrable GTV and/or subclinical malignant disease that must be eliminated. This volume must be treated adequately in order to achieve the aim of …