Introduction
Materials and method
Treatment
Evaluation of dose-volume data
Dose-volume data | |||||
---|---|---|---|---|---|
Swallowing structure | Dmean (Gy) Mean ± SD (range) | Dmax (Gy) Mean ± SD (range) | V60 (%) Mean ± SD (range) | V65 (%) Mean ± SD (range) | V70 (%) Mean ± SD (range) |
PCM
| 61.96 ± 7.90 (33.26 - 69.96) | 72.61 ± 2.55 (64.88 - 76.79) | 74.57 ± 19.83 (31.00 - 99.92) | 51.31 ± 24.47 (0.00 - 90.38) | 22.24 ± 19.50 (0.00 - 65.33) |
SPCM
| 60.66 ± 11.85 (22.94 - 71.65) | 70.55 ± 4.56 (58.34 - 76.79) | 70.83 ± 34.87 (0.00 - 100.00) | 49.13 ± 41.45 (0.00 - 100.00) | 22.23 ± 28.19 (0.00 - 83.03) |
MPCM
| 66.65 ± 3.51 (61.28 - 74.03) | 69.63 ± 3.72 (63.47 - 76.79) | 98.23 ± 4.79 (79.56 - 100.00) | 61.56 ± 42.23 (0.00 - 100.00) | 22.97 ± 37.04 (0.00 - 100.00) |
IPCM
| 63.58 ± 6.06 (50.39 - 71.55) | 68.61 ± 4.30 (61.27 - 75.99) | 75.83 ± 31.97 (2.35 - 100.00) | 46.90 ± 45.55 (0.00 - 100.00) | 16.51 ± 29.57 (0.00 - 88.40) |
BOT
| 50.75 ± 12.52 (23.71 - 71.49) | 69.39 ± 4.90 (53.82 - 74.83) | 49.38 ± 31.76 (0.00 - 99.99) | 27.05 ± 30.75 (0.00 - 99.97) | 8.38 ± 18.41 (0.00 - 77.40) |
Larynx
| 66.84 ± 6.37 (50.56 - 74.89) | 72.64 ± 4.00 (64.45 - 79.30) | 87.11 ± 23.21 (29.27 - 100.00) | 69.66 ± 33.84 (0.00 - 100.00) | 39.25 ± 40.02 (0.00 - 100.00) |
PES
| 50.48 ± 9.83 (25.41 - 66.83) | 59.63 ± 7.65 (47.11 - 69.85) | 17.45 ± 27.58 (0.00 - 100.00) | 10.43 ± 23.51 (0.00 - 99.32) | 0.00 |
Dose-volume data | |||||
---|---|---|---|---|---|
Swallowing structure | Dmean (Gy) Mean ± SD (range) | Dmax (Gy) Mean ± SD (range) | V60 (%) Mean ± SD (range) | V65 (%) Mean ± SD (range) | V70 (%) Mean ± SD (range) |
PCM
| 66.03 ± 2.19 (63.17 - 69.96) | 72.69 ± 1.62 (69.92 - 74.85) | 89.24 ± 9.20 (73.27 - 99.92) | 64.75 ± 22.79 (20.19 - 90.38) | 27.91 ± 21.83 (0.00-65.33) |
SPCM
| 68.35 ± 2.66 (63.29 - 71.65) | 72.66 ± 1.64 (69.92 - 74.85) | 99.14 ± 1.64 (94.98 - 100.00) | 81.35 ± 26.41 (24.37 - 100.00) | 37.66 ± 30.09 (0.00-83.03) |
MPCM
| 65.30 ± 2.77 (61.28 - 69.62) | 67.69 ± 2.60 (64.23 - 72.03) | 97.63 ± 6.43 (79.56 - 100.00) | 51.33 ± 45.38 (0.00 - 100.00) | 4.80 ± 11.93 (0.00-37.40) |
IPCM
| 59.96 ± 4.09 (50.39 - 63.35) | 65.86 ± 3.18 (61.27 - 71.83) | 58.50 ± 34.43 (2.35 - 100.00) | 12.09 ± 19.33 (0.00-48.71) | 0.62 ± 1.97 (0.00-6.22) |
BOT
| 52.85 ± 13.03 (36.80 - 68.08) | 70.02 ± 2.79 (65.36 - 74.00) | 62.38 ± 32.78 (15–99.55) | 34.12 ± 31.63 (0.01-90.03) | 5.54 ± 11.05 (0.00-34.86) |
Larynx
| 62.55 ± 5.76 (50.56 - 68.07) | 70.43 ± 2.97 (64.45 - 73.54) | 74.92 ± 28.33 (29.27 - 100.00) | 52.05 ± 31.83 (0.00-89.83) | 9.52 ± 12.30 (0.00-32.72) |
PES
| 50.97 ± 3.22 (46.09 - 57.15) | 53.78 ± 4.76 (47.11 - 61.75) | 2.08 ± 4.40 (0.00 - 11.10) | 0.00 | 0.00 |
Dose-volume data | |||||
---|---|---|---|---|---|
Swallowing structure | Dmean (Gy) Mean ± SD (range) | Dmax (Gy) Mean ± SD (range) | V60 (%) Mean ± SD (range) | V65 (%) Mean ± SD (range) | V70 (%) Mean ± SD (range) |
PCM
| 57.89 ± 9.49 (33.26 - 67.07) | 72.53 ± 3.33 (64.88 – 76.79) | 59.91 ± 16.35 (31.00 – 82.97) | 37.87 ± 18.54 (0.00 – 70.75) | 16.58 ± 15.97 (0.00 – 40.19) |
SPCM
| 52.97 ± 12.57 (22.94 – 68.71) | 68.46 ± 5.61 (58.34 – 76.79) | 42.52 ± 27.99 (0.00 – 90.38) | 16.92 ± 24.95 (0.00 – 90.38) | 16.92 ± 24.95 (0.00 – 84.11) |
MPCM
| 67.70 ± 3.78 (62.41 – 74.03) | 71.58 ± 3.74 (63.47 – 76.79) | 98.84 ± 2.51 (93.06 – 100.00) | 71.79 ± 38.37 (0.00 – 100.00) | 41.15 ± 44.95 (0.00 – 100.00) |
IPCM
| 68.20 ± 3.64 (61.52 – 71.55) | 71.35 ± 3.48 (63.32 – 75.99) | 93.15 ± 17.48 (44.84 – 100.00) | 81.71 ± 36.25 (0.00 – 100.00) | 32.39 ± 35.80 (0.00 – 88.40) |
BOT
| 48.65 ± 12.29 (23.71 – 71.49) | 68.75 ± 6.49 (53.82 – 74.83) | 36.37 ± 26.09 (0.00 – 99.99) | 19.99 ± 29.75 (0.00 – 99.97) | 11.21 ± 23.99 (0.00 – 77.40) |
Larynx
| 71.13 ± 3.34 (64.16 – 74.89) | 74.85 ± 3.75 (66.42 – 79.30) | 99.30 ± 2.03 (93.54 – 100.00) | 87.27 ± 26.73 (20.00 – 100.00) | 68.98 ± 35.57 (0.00 – 100.00) |
PES
| 49.99 ± 13.89 (25.41 – 66.83) | 65.48 ± 4.97 (55.77 – 69.85) | 32.83 ± 32.58 (0.00 – 100.00) | 20.86 ± 30.41 (0.00 – 99.32) | 0.00 |
Evaluation of dysphagia
Videofluoroscopy
Evaluation period | |||
---|---|---|---|
Videofluoroscopy finding | Before treatment n (%) | At 3 months following treatment n (%) | At 6 months following treatment n (%) |
Impaired lingual movement
| 1 (5) | 4 (20) | 2 (10) |
BOT weakness
| 10 (50) | 15 (75) | 12 (60) |
Pharyngeal residue
| 7 (35) | 11 (55) | 10 (50) |
Reduced laryngeal elevation
| 2 (10) | 2 (10) | 3 (15) |
Reduced epiglottic inversion
| 0 (0) | 6 (30) | 5 (25) |
Swallow reflex delay
| 0 (0) | 1 (5) | 1 (5) |
CM dysfunction
| 0 (0) | 2 (10) | 2 (10) |
Proximal esophageal stricture
| 3 (15) | 5 (25) | 6 (30) |
Penetration
| 5 (25) | 10 (50) | 14 (70) |
Aspiration
| 0 (0) | 1 (5) | 4 (20) |
Quality-of-life
Evaluation period | |||
---|---|---|---|
QoL score | Before treatment Mean ± SD (range) | At 3 months following treatment Mean ± SD (range) | At 6 months following treatment Mean ± SD (range) |
QL
| 65 ± 24 (17–20) | 67 ± 15 (33–83) | 66 ± 19 (17–92) |
HNPA
| 18 ± 24 (0–75) | 17 ± 28 (0–100) | 12 ± 19 (0–58) |
HNSW
| 21 ± 20 (0–58) | 36 ± 21 (0–100) | 34 ± 24 (0–100) |
HNSO
| 21 ± 22 (0–75) | 33 ± 28 (0–100) | 33 ± 30 (0–92) |