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Helical tomotherapy (HT) is a rotational intensity-modulated radiotherapy with a unique gantry mechanical design that can deliver highly conformal dose distributions to provide an alternative approach for total body irradiation or total marrow irradiation.
Study | Patient Number | Total Dose Prescribed | Fractions | Fraction Size | Overall Durations | Treatment Response |
---|---|---|---|---|---|---|
Hsieh et al. [11] | 1 | 30 Gy | In 40 Fx with HITS | 0.75 Gy | interrupted at 20 fractions, with one week resting, four times per week |
CR |
Buglione et al. [15] | 1 | 27 Gy to UH body 26 Gy to LH body 22.05 Gy to scalp and eyelids |
15 Fx to UH body 13 Fx to LH body 15 Fx to scalp and eyelids |
1.8 Gy to UH body 2.0 Gy to LH body 1.47 Gy to scalp and eyelids |
5 days a week 23 days split in between |
CR |
1 | 28.8 Gy to UH body 28.8 Gy to LH body |
16 Fx to UH body 16 Fx to LH body |
1.8 Gy to UH body 1.8 Gy to LH body |
5 days a week 15 days split in between |
CR | |
1 | 30.4 Gy to UH body 30 Gy to LH body |
16 Fx to UH body 15 Fx to LH body |
1.9 Gy to UH body 2.0 Gy to LH body |
5 days a week 8 days split in between |
CR | |
Haraldsson et al. [18] | 1 | 20 Gy | 10 Fx | 2.0 Gy | Daily, no reported duration |
- |
Kitaguchi et al. [14] | 6 | 20 Gy | in 10 Fx | 2 Gy | Sequentially treat different parts: Trunk and arms; head and neck; legs no reported frequency or duration |
CR: 6 |
Okuma et al. 2017 [22] | 6 | 10–20 Gy | 10 Fx | 1.0–2.0 Gy | Over 14 days | - |
Hsieh et al. [12] | 1 | 21 Gy to lesions 15 Gy to total skin |
15 Fx | SIB-HEARTS 1.4 Gy to lesions 1 Gy to total skin |
No reported frequency or duration | CR |
Yonekura et al. [24] | 1 | 34 Gy local RT followed by 12 Gy TSHT |
17 Fx for local RT 6 Fx for TSHT |
2.0 Gy | Over 6 days | CR |
Sarfehnia et al. [19] | 1 | 14 Gy TSHT followed by 10 Gy TBI |
7 Fx for TSHT 5 Fx for TBI |
2.0 Gy | Daily, no reported duration |
- |
Haraldsson et al. [23] | 1 | 12 Gy | 6 Fx | 2.0 Gy | Over 30 days | CR |
Haraldsson et al. [18] | 1 | 12 Gy | 6 Fx | 2.0 Gy | Daily, no reported duration |
- |
Schaff et al. [13] | 1 | 12 Gy | 8 Fx | 1.5 Gy | 4 days per week | PR |
1 | 12 Gy | 6 Fx | 2.0 Gy | Daily, no reported duration |
PR | |
Okuma et al. [21] | 3 | 10 Gy | 10 Fx | 1.0 Gy | Delivered to three parts (trunk, head and neck, legs), irradiate only one part per day no reported frequency or duration |
- |
Kitaguchi et al. [14] | 2 | 10 Gy | 10 Fx | 1.0 Gy | Sequentially deliver to three parts: Trunk and arms; head and neck; legs; no reported frequency or duration |
CR: 1 PR: 1 |
De Bari et al. [20] | 1 | 4 Gy | 2 Fx | 2.0 Gy | No reported frequency or duration | Improved clinical severe itching symptom |
Study | Hypothetic Bolus | Actual Bolus | Measured Equipment | Measured Skin Dose |
---|---|---|---|---|
Sarfehnia et al. 2014 [19] |
Not mentioned | No bolus | Gafchromic EBT3 film | Maximum under 25% from TPS |
Buglione et al. 2018 [15] | OPTT exist | No bolus | Gafchromic EBT3 film | 85–120% |
Kitaguchi et al. 2021 [14] | Yes | No bolus | Glass luminescent radiation dosimeter | 74–130% |
Hsieh et al. 2013 [11] | 1.0–1.5 cm | -A 3 mm diving suit -Polyflex II tissue equivalent material: Ears, fingers, toes -Conformal bolus: Trunk lesions |
Radiochromic EBT2 film | 95–125% |
Haraldsson et al. 2018 [23] | Not mentioned | Custom fit, neoprene diving suit of 7 mm thickness |
Gafchromic EBT3 film | Median difference from TPS: 4% (SD 11%) |
Haraldsson et al. 2019 [18] | 8 mm, 0.4 g/cm3 | -A 7 mm neoprene wetsuit, hood, gloves, and socks of neoprene -A 5 mm water equivalent bolus: Eye lids, forehead |
Radiochromic EBT3 film | Mean difference from TPS: Patient 1: 5.3% (SD 11.9%) Patient 2: 1.5% (SD 9.0%) |
Hsieh et al. 2019 [12] | 1.0–1.5 cm | Diving suit, gloves, socks, head hood | Radiochromic EBT3 film | 93–154% |
Study | Patient Number | Total Dose Prescribed | Mean Dose Evaluation of Bone/Bone Marrow (Gy) | Hematopoietic Toxicity Evaluation Time | Anemia (Grade) | Leukopenia (Grade) | Thrombocytopenia (Grade) |
---|---|---|---|---|---|---|---|
Hsieh et al. [11] | 1 | 30 Gy/40 Fx HITS (0.75 Gy/Fx) interrupted at 20 fractions, with one week resting, 4 times per week |
Cervical, thoracic, lumbar spine, sacrum, iliac bone : 5.8, 6.3, 4.0, 4.8, R 8.9/L 8.5 |
During RT: | 1 | 3 | 1 |
2 ms later: | 4 | 4 | 4 | ||||
The 3rd month after RT: | 3 | 3 | |||||
Hsieh et al. [12] | Revised plan | 30 Gy HEARTS |
Cervical, thoracic, lumbar spine, sacrum, iliac bone : 3.6, 3.6, 3.3, 4.0, R 6.1/L 6.2 |
- | - | - | - |
Revised plan | 12 Gy low-dose HEARTS |
Cervical, thoracic, lumbar spine, sacrum, iliac bone : 1.5, 1.4, 1.3, 1.6, R 2.4/L 2.5 |
- | - | - | - | |
Revised plan | 25 Gy/12 Gy SIB-HEARTS |
Cervical, thoracic, lumbar spine, sacrum, iliac bone : 1.9, 1.5, 1.3, 1.4, R 2.1/L 4.0 |
- | - | - | - | |
1 | 21 and 15 Gy/15 Fx (1.4 and 1 Gy/Fx) SIB-HEARTS |
Cervical, thoracic, lumbar spine, sacrum, iliac bone : 2.2, 2.3, 1.9, 3.0, R 3.6/L 3.1 |
During RT: | 1 | 1 | 1 | |
Day 17 post RT: | 4 | 4 | |||||
Day 21 post RT: | 4 (Nadir) | ||||||
Day 47 post RT: | 1 | ||||||
Day 60 post RT: | 2 | ||||||
Haraldsson et al. [18] | 1 | 12 Gy/6 Fx (2.0 Gy/Fx) |
Bone: 4.2 | - | - | - | - |
1 | 20 Gy/10 Fx (2.0 Gy/Fx) |
Bone: 7.7 | - | - | - | - | |
Okuma et al. [21] | 3 | 10 Gy/10 Fx (1.0 Gy/Fx) |
Bone: 2.27 | ||||
Kitaguchi et al. [14] | 6 | 20 Gy/10 Fx (2.0 Gy/Fx) sequentially treat different parts: Trunk and arms; head and neck; legs no reported frequency or duration |
Bone in head and neck, trunk and arms, legs group: 12.5, 7.8, 10.6 | No mentioned evaluation time | 0 (1/6, 16.7%) | 0 (0/6, 0%) | 0 (0/6, 0%) |
1 (1/6, 16.7%) | 1 (0/6, 0%) | 1 (2/6, 33.3%) | |||||
2 (2/6, 33.3%) | 2 (1/6, 16.7%) | 2 (0/6, 0%) | |||||
3 (2/6, 33.3%) | 3 (5/6, 83.3%) | 3 (2/6, 33.3%) | |||||
4 (0/6, 0%) | 4 (0/6, 0%) | 4 (2/6, 33.3%) | |||||
2 | 10 Gy in 10 Fx sequentially treat different parts: Trunk and arms; head and neck; legs no reported frequency or duration |
No presented data | 0 (0/2, 0%) | 0 (0/2, 0%) | 0 (0/2, 0%) | ||
1 (1/2, 50%) | 1 (0/2, 0%) | 1 (0/2, 0%) | |||||
2 (0/2, 0%) | 2 (1/2, 50%) | 2 (1/2, 50%) | |||||
3 (1/2, 50%) | 3 (1/2, 50%) | 3 (1/2, 50%) | |||||
4 (0/2, 0%) | 4 (0/2, 0%) | 4 (0/2, 0%) | |||||
Buglione et al. [15] | 1 | 27 Gy/15 Fx to UH (1.8 Gy/Fx) 26 Gy/13 Fx to LH (2.0 Gy/Fx) 5 days a week 23 days split in between |
Bone marrow: 8.5 | No mentioned evaluation time | Gr 2 twice during the LH and UH RT; Recovered within 2 ms after RT | 2, Recovered within 2 ms after RT |
3 |
1 | 28.8 Gy/16 Fx to UH (1.8 Gy/Fx) 28.8 Gy/16 Fx to LH (1.8 Gy/Fx) 5 days a week 15 days split in between |
Bone marrow: 10.1 | At the end of both UH/LH body RT | 1, Recovered within 2 ms after RT |
3, Recovered within 2 ms after RT |
1 | |
1 | 30.4 Gy/16 Fx to UH (1.9 Gy/Fx) 30 Gy/15 Fx to LH (2.0 Gy/Fx) 5 days a week 8 days split in between |
Bone marrow: 12.0 | At the end of RT | 2, Recovered within 2 ms after RT |
1, Recovered within 2 ms after RT |
3, Prolonged thrombocytopenia, recovered within 6 ms | |
Schaff et al. [13] | 1 | 12 Gy/8 Fx (2.0 Gy/Fx) 4 days a week |
Bone marrow (not including arms): 1.66 (including arms): 2.62 |
At the end of RT | 1 | 1 | |
2 weeks after RT | 2 | 2 | 4 | ||||
1 | (Local HT) 20 Gy/10 Fx to scalp/buttocks/neck/axilla 10 Gy/5 Fx to back |
Bone marrow (not including arms): 2.3 (Including arms): 3.56 |
2 weeks after RT | 1 | 3 | 4 |