Is Belly Board Still Needed in IMRT for Rectal Cancer? The Change of Bladder Volume Affects the Determination

Wang, Y.; Xia, X.; Zhe, Hong; Ding, Zhenshan; Shang, Jun; Yan, Guiming

doi:10.1016/j.ijrobp.2012.07.904

Cited by 1 publication

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“…The amount of small bowel irradiated can be reduced by the use of what is known as a "full bladder protocol" [7,8], the choice of a prone vs supine position of the patient [6,9,10] and the positioning of patients on a belly board device (BBD) [6,[11][12][13][14][15][16][17][18]. BBD implementation leads to an improvement of dose-volume histogram (DVH) in the small bowel in both pre- [7,8] and postoperatively [3,12] irradiated patients undergoing 3D conformal radiotherapy (3D-CRT) or intensity modulated radiotherapy (IMRT) [9,11,12,19,20]. Although both the entire bowel area and individual intestinal loops have been delineated by radiation oncologists, the majority of authors agree that single intestinal loop exposure is more predictive for acute and late toxicity than the entire bowel region [5,14,21,22].…”

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confidence: 99%

Is AIO belly board device advantageous in all rectal cancer patients

Hempel¹,

Mandrosz²,

Wojtukiewicz³

et al. 2018

Nowotwory. Journal of Oncology

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Purpose. To compare the prone position on a flat table vs an "All in one" belly board device (AIO BBD) in rectal cancer patients (RCPs). Material and methods. Fifteen RCPs scheduled for irradiation were scanned in the two evaluated positions. After tomography, they completed a questionnaire concerning positioning. The dose-volume histograms (DVHs) for the small bowel and bladder were compared for both immobilization methods and setup accuracy was analyzed in electronic portal imaging devices (EPIDs) and X-ray volume imaging (XVI) procedures. Results. AIO BBD was accepted by the majority of RCPs and provided better DVHs for the small bowel than the prone position on a flat table. The setup reproducibility was within tolerance limit for patients with BMI ≤ 29 kg/m 2. Patients with obesity regarded AIO BBD as uncomfortable and they presented mean setup shifts out of the tolerance limit in the Y axis-5.9 mm. Conclusions. The AIO BBD should be recommended for RCPs, especially for those with BMI ≤ 29 kg/m 2 .

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