What is the thickness of the left and right lobes of the thyroid?

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1. The thickness of the left and right lobes of the thyroid is generally 1.8-2 centimeters.

2. The thyroid gland is composed of the left and right lobes, isthmus, and pyramidal lobe. The size of the left and right lobes of the thyroid gland changes with the body's growth and development. In childhood, the volumes of the left and right lobes are small, and they continue to grow and change rapidly. After reaching adulthood, when the body stops developing, the volumes of the left and right lobes become relatively stable, with a thickness generally ranging from 1.8-2 centimeters. However, due to individual differences in constitution, slight variations in thickness may occur, which is normal. If the left and right lobes of the thyroid gland significantly exceed this range, it is mostly abnormal and suggests thyroid enlargement. Since the thyroid gland is close to the esophagus and trachea, enlargement can compress surrounding tissues, causing dyspnea, dysphagia, and other discomfort. It may also compress the carotid artery, leading to poor blood circulation in the neck and symptoms such as dizziness and headaches.

3. If neck enlargement is found, it is necessary to seek medical intervention as soon as possible. Early treatment is beneficial for controlling the condition and is of great significance in improving subsequent quality of life.