Table 2 Post-treatment PET-CT results
From: PET-CT detection of local residual laryngeal carcinoma after definitive (chemo)radiotherapy
Post-treatment follow-up PET-CT at 3 months | All patients n = 73 | Residual n = 9 | No residual n = 64 | p-value |
|---|---|---|---|---|
Abnormal uptake at primary tumor area, (%)* | 0.008 | |||
Yes | 42 (57.5) | 9 (100) | 33 (51.6) | |
No | 31 (42.5) | 0 (0) | 31 (48.4) | |
Mass on primary tumor area, (%) | 0.103 | |||
Yes | 20 (27.4) | 5 (55.6) | 15 (23.4) | |
No | 53 (72.6) | 4 (44.4) | 49 (76.6) | |
SUVmax over 4, (%) | < 0.001 | |||
Yes | 27 (37.0) | 9 (100.0) | 18 (28.1) | |
No | 46 (63.0) | 0 (0) | 46 (71.9) | |
SUVmax over 4 and mass on primary tumor area, (%) | 0.003 | |||
Yes | 11 (15.1) | 5 (55.6) | 6 (9.4) | |
No | 62 (84.9) | 4 (44.4) | 58 (90.6) | |
Strong symmetric uptake, suggesting muscle activation, (%) | 0.255 | |||
Yes | 8 (11.0) | 2 (22.2) | 6 (9.4) | |
No | 65 (89.0) | 7 (77.8) | 58 (90.6) |