Table 2.
The Thickness of Pharyngeal Constrictor Muscles.
| PCM thickness, mm | |||||
|---|---|---|---|---|---|
| Author | Slice of measurement | Group of patients | Pre-RT | Post-RT | 3 Months post-RT |
| Kumarasiri et al 41 | Center of the C3 | All patients | 4.3 ± 0.7 | 6.9 ± 1.6 | |
| Eisbruch et al 42 | Center of the C2 | Gemcitabine (50-150 mg/m2) | 2.5 (range, 1-5) | 7 (range, 5-11) | |
| Gemcitabine (10 mg/m2) | No difference between the pre-RT and post-RT | ||||
| Popovtzer et al 43 | Middle of the craniocaudal axis of PCM | All patients | 2.9 ± 0.9 | 5.4 ± 1.5 | |
| PCM mean dose < 50 Gy | 3.3 ± 1.0 | 5.3 ± 1.7 | |||
| PCM mean dose >50 Gy | 2.7 ± 0.8 | 5.7 ± 1.4 | |||
Abbreviations: PCM, pharyngeal constrictor muscles; RT, radiotherapy.