Quality Management 2017

Effect of treatment delay

a) N-stage. Patient with 47 days

between scans. Growth of lymph

node metastasis and appearance

controlateral metastasis.

b) T-stage. Patient with 19 days

between scans. Progressive bone

destruction.

Interpretation: This study shows a negative impact of waiting time in patients with SCCHN. Within an average time of 4 weeks the majority of the patients developed significant signs of tumor progression. It was not possible to define a threshold for acceptable time intervals in order to avoid volume changes, or to define a subgroup. impact of delay.

Radioter Oncol 2007