Isolated elevation of thyroglobulin in the follow-up of differentiated thyroid cancer, does it always indicate true persistent disease?

Isolated elevation of thyroglobulin in the follow-up of differentiated thyroid cancer, does it always indicate true persistent disease? Ann Endocrinol (Paris). 2018 Sep 25;: Authors: Raverot V, Borson-Chazot F PMID: 30301520 [PubMed - as supplied by publisher]
Source: Annales d'Endocrinologie - Category: Endocrinology Authors: Tags: Ann Endocrinol (Paris) Source Type: research