ATA	American Thyroid Association
ATC	Anaplastic thyroid carcinoma
AUS	Atypia of undetermined significance
BRAF	B-Raf proto-oncogene, serine/threonine kinase
CEA	Carcinoembryonic antigen
Ct	Calcitonin
CVPTC	Classical variant of papillary thyroid carcinoma
DTC	Differentiated thyroid carcinoma
EANM	European Association of Nuclear Medicine
EFC	Encapsulated follicular thyroid carcinoma
EFVPTC	Encapsulated follicular variant of papillary thyroid carcinoma
ERK	Extracellular signal-regulated kinase
FA	Follicular adenomas
FLUS	Follicular lesion of undetermined significance
FN	Follicular neoplasm
FNAB	Fine-needle aspiration biopsy
FTC	Follicular thyroid carcinoma
FVPTC	Follicular variant of papillary thyroid carcinoma
GEC	Afirma Gene Expression Classifier
HT	Hashimoto’s thyroiditis
ITN	Incidental thyroid nodule
MAPK	Mitogen-activated protein kinase
MEK	Mitogen-activated protein kinase kinase
MEN2	Multiple endocrine neoplasia type 2
MKIs	Multi kinase inhibitors
MTC	Medullary thyroid carcinoma
NCCN	National Comprehensive Cancer Network
NIFTP	Noninvasive follicular thyroid neoplasm with papillary-like nuclear features
NPV	Negative predictive value
OS	Overall survival
QTc	Corrected QT interval (electrocardiogram)
PBDEs	Polybrominated diphenyl etherflame retardants
PDTC	Poorly differentiated thyroid carcinoma
PFS	Progression-free survival
PHEO	Pheochromocytoma
PHP	Primary hyperparathyroidism
PI3K	Phosphatidylinositol 3-kinase
PPV	Positive predictive value
PTC	Papillary thyroid carcinoma
PTMC	Papillary microcarcinoma
RAI	Radioactive iodine
RAS	Ras proto-oncogene, GTPase
RET	Ret proto-oncogene
RR-DTC	Radioiodine-refractory differentiated thyroid carcinoma
SEER	Surveillance, Epidemiology, and End Results Program
SFN	Suspicious for follicular neoplasm
SUSP	Suspicious for malignancy
TC	Thyroid cancer
TCGA	The Cancer Genome Atlas
TKIs	Tyrosine kinase inhibitors
TKs	Tyrosine kinases
TNM	Tumor, Node, and Metastasis staging
TSVPTC	Papillary thyroid carcinoma with trabecular-solid pattern of growth
US	United States of America