Thyroid cystic lesions are a frequent finding in Thyroid Ultrasound (US) clinical practice, representing up to 30% of all thyroid nodules studied by US. In almost all cases, it is a completely benign finding.
The thyroid is an endocrine gland located in the anterior median median of the neck. It consists of two lateral lobes united by a bridge, called isthmus.
Malignant thyroid nodules can be classified as:
Thyroid nodules are an almost para-physiological condition, therefore extremely common especially in people over 50 years old. The nodules in question are generally very small and benign. The benign nodules, which have no clinical significance, are much more common than malignant ones.