WebSep 10, 2024 · In this regard, Li et al compared the dosimetry to the brachial plexus as outlined by different guidelines, and observed that dose parameters differ depending on the contouring methods. 5 This emphasises the need to harmonise the contouring of the individual organs at risk, in order to ensure quality standards in radiotherapy planning and … WebObjective: In radiotherapy of nasopharyngeal carcinoma (NPC) patients, the brachial plexus (BP) situated at both sides of the neck is often irradiated to high dose. This study was to evaluate different BP delineation methods and analyse the dosimetric consequences when applying BP dose constraints in radiotherapy planning of NPC.
Dose constraints to prevent radiation-induced brachial plexopathy in …
WebDec 25, 2024 · The brachial plexus (BP) is an important bundle of nerves innervating the upper extremities that can be at risk of injury when delivering SBRT to tumors located in the apex of the lung. Radiation-induced brachial plexus injury (BPI) can result in paresthesias, pain, weakness, and decreased mobility of the arm or hand. WebMar 1, 2012 · The median radiation dose to the brachial plexus was 70 Gy (range 56-87.5 Gy, 1.5-2.5 Gy/fraction). At a median follow-up time of 14.0 months, 14 patients had had brachial plexopathy (16%) (8 [9%] grade 1 and 6 [7%] grade ≥2); median time to symptom onset was 6.5 months (range 1.4-37.4 months). sharlene d. newman
The radiation dose tolerance of the brachial plexus: A
WebDec 1, 2011 · Consideration of dose limits for organs at risk of thoracic radiotherapy: atlas for lung, proximal bronchial tree, esophagus, spinal cord, ribs, and brachial plexus We believe these atlases will allow us to define OARs with less variation and generate dosimetric data in a more consistent manner. WebAug 27, 2024 · The brachial plexus contouring guidelines have been described and validated by RTOG for head and neck cancers . However, the usual treatment position for breast … WebMar 5, 2024 · RTOG Radiation Dose Constraints. Bladder [0534]: should be contoured from its base to the dome, excluding the CTV1 (the CTV1 includes the bladder neck). Rectum … population of han-dong north korea