Most cancers remained stable over several years of observation with the use of serial measurements
![](https://www.enttoday.org/wp-content/uploads/springboard/image/ENT_2013__09_pp23_01.jpg)
Further Research Needed for HPV-Related Cancer Surveillance
Otolaryngologists say more information is needed to assess utility of post-treatment PET/CT scans for patients with HPV-related cancer
![](https://www.enttoday.org/wp-content/uploads/springboard/image/ENT_2013__09_pp01_01.jpg)
Clinicians Question Usefulness of Multiple Post-Treatment PET/CT Scans for Head and Neck Cancer
Lack of evidence to measure effectiveness of repeated imaging surveillance has led to institution-specific protocols, spirited debates