Medically reviewed by Isabel Casimiro, MD, PhD Thyroid nodules are lumps (growths) made up of abnormal cell clusters that ...

Thyroid nodules are lumps that occur in the thyroid gland in the front of the throat. There may be no symptoms, but people may feel a bump in the neck. Thyroid nodules can be a sign of iodine ...

Objective: Conventional fine-needle aspiration biopsy (FNAB) for cystic thyroid nodules (CTNs) has a high rate of nondiagnostic and false-negative results. Ultrasound-guided FNAB (UG-FNAB) permits ...

FNA is recommended for all palpable solitary or dominant nodules, independent of size. FNA is preferred over thyroid scan or ultrasonography as the initial diagnostic test for thyroid nodules.