From: RETRACTED ARTICLE: Thyroid nodules update in diagnosis and management
| – History of childhood head/neck irradiation | |
| – Total body irradiation for bone marrow transplantation [85] | |
| – Family history of PTC, MTC, or thyroid cancer syndrome (e.g., Cowden’s syndrome, familial polyposis, Carney complex, multiple endocrine neoplasia [MEN] 2, Werner syndrome) in first degree relative | |
| – Young age | |
| – Male sex | |
| – Enlarging nodule | |
| – Abnormal cervical adenopathy | |
| – Fixed nodule | |
| – Vocal cord paralysis |