Flow-chart for diagnosis of suspicious metastatic cervical lymph nodes (CLN) from thyroid cancer patients. Following fine-needle aspiration biopsies (FNAB) samples for Tg protein and Tg/CT mRNA measurements should be collected but their analysis restricted to cases with uninformative or clinically unsound FNAB-C diagnosis. Tg, thyroglobulin; CT, calcitonin.
Baldini et al. BMC Clinical Pathology 2013 13:7 doi:10.1186/1472-6890-13-7