Thyroid B-mode ultrasonography

Thyroid B-mode ultrasonography is a method for examining the presence of tumors and other related lesions in the thyroid gland and parathyroid glands. Ultrasound examination of the thyroid and ultrasound of the parathyroid gland were performed using a type B ultrasound examination of the thyroid gland and parathyroid glands. Pay attention to normal diet and normal work during the examination to prevent endocrine disorders. Basic Information Specialist classification: growth and development check classification: ultrasound Applicable gender: whether men and women apply fasting: fasting Tips: Pay attention to the normal diet before the examination, pay attention to normal work and rest, and prevent endocrine disorders. Normal value (1) Thyroid thickness (anterior and posterior diameter) and width (left and right diameter) standard: measure the cut surface in a series of cross-sections of the thyroid gland. Select the thickest and widest part of the thyroid gland as the standard cut surface, and the probe pressure should be as light as possible. The measurement positions were selected on the edge of the hyperechoic line of the capsule at the thickest and widest points of the thyroid. Normal adult reference value (cm): the thickness of the left and right leaves is 1.5~2.0cm, the width is 2.0~2.5cm, and the thickness of the isthmus is less than 0.5cm. (2) Measurement of the long diameter (upper and lower diameter) of the thyroid: measuring the cut surface The longest part of the thyroid parenchyma is selected as a standard cut surface in a series of longitudinal sections of the thyroid, and the probe pressure is required to be as light as possible. The measurement positions were selected on the edge of the high echo line of the capsule at the longest point of the thyroid gland. Normal adult reference value (cm): the length of the left and right leaves is 4.0~6.0cm, and the length of the isthmus is 1.5~2.0cm. Clinical significance Abnormal result (1) to determine whether the tumor is located in the thyroid gland, is diffuse or local; (2) to identify the mass is cystic or solid; (3) to determine whether the mass is single or multiple; (4) can be judged swollen The substance is benign or malignant; (5) can be followed up after the operation or after treatment; for the nodules that can not be found, ultrasound can find nodules and nodules >=0.5cm. 2. The sensitivity of ultrasound diagnosis of primary hyperparathyroidism is 66%-88.4%. Color Doppler can not only improve the sensitivity of ordinary two-dimensional ultrasound to the detection of small lesions of the parathyroid gland, but also help to locate the diagnosis and distinguish it from the thyroid and lymph nodes. The people who need to be examined: 1. Goiter. 2. Thyroiditis. 3. Thyroid tumors. 4. Thyroid cysts. 5. Cervical lymphadenopathy. 6. Parathyroid adenoma and parathyroid hyperplasia. 7. Multiple endocrine tumors. 8. Parathyroid carcinoma and the like. Precautions Forbidden before examination: pay attention to normal diet, pay attention to normal work and rest, and prevent endocrine disorders. Requirements for inspection: Actively cooperate with the doctor's request. 1. The lesions located in the thoracic cavity and mediastinum are difficult to find. 2. A small number of hyperplasia and adenoma are still difficult to distinguish, and multiple endocrine tumors should be searched from multiple glands. 3. The parathyroid gland is small in size and located behind the left and right thyroid gland. It needs to be differentiated from the nodules of the thyroid gland, adenomas, and lymph nodes that are swollen in the neck. False negative and false positive results should be avoided as much as possible. 4. Alcohol sclerotherapy, we must pay attention to prevent vocal cord paralysis complications, although its incidence is not high (1.3%), should still be highly valued. Inspection process Ultrasound examination of the thyroid and ultrasound of the parathyroid gland were performed using a type B ultrasound examination of the thyroid gland and parathyroid glands. Ultrasound can detect the number of nodules and nodules >=0.5cm. Color Doppler can not only improve the sensitivity of common two-dimensional ultrasound to the detection of small lesions of the parathyroid gland, but also help to locate the diagnosis and easily with the thyroid and lymph nodes. Identification. Not suitable for the crowd No taboos. Adverse reactions and risks No complications.