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Ultrasound examinations can help to diagnose a variety of conditions and to assess organ damage following illness. Ultrasound is used to help physicians 评估以下症状：
Ultrasound is a useful way of examining many of the body's internal organs, including but not limited to the:
Venous ultrasound provides pictures of the 静脉 throughout the body. If the study is being performed to look for thrombus or blood clots in the 静脉 in the arms or legs, the transducer may be used to compress your 静脉. 的 ability or inability of the 静脉 to be compressed helps exclude or confirm the presence of clot in the 静脉.
的 carotid arteries, are located on each side of the neck and carry blood 从心脏到大脑. 超声波提供 detailed pictures of these blood vessels and information about the blood flowing through them. Blockages of the carotid arteries can lead to strokes. 超声波提供 a risk free non-invasive way to look at these blood vessels and determine if there is a significant blockage that may require treatment to reduce 中风的风险.
Ultrasound imaging 乳房的 produces a picture of the internal structures 乳房的. An ultrasound 乳房的 may be performed to evaluate a lump in the breast or a specific area of tenderness or pain. 之一 the most common reasons for doing a breast ultrasound is to see if a lump detected by the patient, her physician or on a mammogram is a simple cyst or something potentially more serious. Simple breast cysts are very common and are not cancer or precancerous. If a lump is shown to represent a simple cyst no further work up is necessary. If a lump is solid, a biopsy may be recommended to exclude a possible malignancy. 虽然很多固体 lesions are benign fibroadenomas, in many cases the only way to reliably exclude cancer is to biopsy the solid mass.
During a breast ultrasound examination the sonographer or physician performing the test may use Doppler techniques to evaluate blood flow or lack of 乳腺肿块有血流. In some cases this may provide additional information 至于质量的原因.
An abdominal ultrasound produces a picture of the organs and other structures 在上腹部. Abdominal ultrasound imaging is performed to evaluate the:
Ultrasound is used to help diagnose a variety of conditions, such as:
A pelvic ultrasound provides pictures of the structures and organs in the 下腹部或骨盆. 的re are three types of pelvic ultrasound:
产科 ultrasound provides pictures of an embryo or fetus within a 女人的子宫.
An ultrasound of the thyroid produces a picture of the thyroid gland. 的 thyroid gland is located in front of the neck just below the Adam's apple and is shaped like a butterfly, with two lobes on either side of the neck connected by a narrow band of tissue. It is one of nine endocrine glands located throughout the body that make and send hormones into the bloodstream.
Sometimes a biopsy is necessary to determine the significance of a lesion identified in the thyroid gland. This is usually done as a needle biopsy. Ultrasound is often used to guide thyroid biopsies to make sure the correct area in the thyroid gland is biopsied. Using ultrasound, your radiologist can verify that the needles used for the biopsy are in the correct area to sample the lesion of interest. 甲状腺 biopsies are a relatively minor outpatient procedure done under local anesthesia which usually involve little or no patient discomfort.
Ultrasound imaging of the scrotum provides pictures of the testicles and the surrounding tissues of a man or a boy. 阴囊的超声检查 may be done for a variety of reasons including to evaluate a lump or mass in the scrotum, scrotal pain or undescended testes.