Are thyroid nodules classified as level 3 related to thyroid function?
Jul 23, 2025
Source: Cainiu Health
Dr. Yang Chuanjia
Introduction
In general, whether a thyroid nodule classified as category III is associated with thyroid function needs to be determined based on specific circumstances. Some thyroid category III nodules are related to thyroid function, while others are not. It is important to regularly review thyroid ultrasound and thyroid function in daily life, monitoring changes in nodule size, morphology, and hormone levels.
Generally, whether a thyroid nodule classified as level 3 is associated with thyroid function depends on the specific circumstances. Some level 3 thyroid nodules are related to thyroid function, while others are not. Detailed analysis is as follows:
If a level 3 thyroid nodule is caused by conditions such as thyroiditis or hyperthyroidism, it may affect thyroid function, leading to abnormal secretion of thyroid hormones and resulting in hyperthyroidism or hypothyroidism. In such cases, patients may experience symptoms such as palpitations, hand tremors, and weight changes.
Certain level 3 thyroid nodules are benign proliferations that do not affect the normal secretory function of thyroid follicles, and thyroid hormone levels remain within the normal range. In such cases, the nodules are unrelated to thyroid function. These nodules typically do not cause obvious symptoms and are often discovered during physical examinations.
In daily life, it is important to undergo regular follow-up ultrasound examinations of the thyroid and assessments of thyroid function to monitor changes in nodule size, morphology, and hormone levels. Maintaining a regular作息 (作息 translates as作息 schedule or routine), avoiding excessive fatigue, ensuring balanced iodine intake through diet (neither excessive nor deficient), and maintaining emotional stability are beneficial for thyroid health.
