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Ultrasound

Ultrasound is a non-invasive method that uses sound waves to create images of the internal organs of the body. It provides crucial information that assists the doctor in diagnosing disorders of vessels, tissues, and organs. In addition, as ultrasound does not involve any radiation, it is a preferred technique for evaluating the health of the fetus during pregnancy.

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  • Doppler Ultrasound: It is a non-invasive imaging test that involves the use of sound waves. The doctor recommends this test to determine the speed and direction of blood flow in the circulatory system. It is used to diagnose diseases related to the heart and blood vessels. Doppler ultrasound detects narrowed arteries and identifies the presence of blood clots in the vessels. The types of Doppler ultrasound are color Doppler, power Doppler, duplex Doppler, spectral Doppler, and continuous wave Doppler.
  • Elastography: Ultrasound elastography is also known as sono-elastography. It is used to determine the stiffness in tissues. Elastography is generally used for diagnosing and staging diseases related to the liver, such as liver fibrosis. However, the other applications of elastography are the diagnosis of breast mass, detection of prostate cancer, evaluation of characterization in thyroid lesions, and imaging of tendons.
  • Liver Fat Quantification: Conventional ultrasound technique provides information to assess the severity of hepatic fat infiltration, such as hepatic and portal vein blurring and increased hepatic echogenicity. Advanced ultrasound techniques have been developed that quantitatively assess the fat content of the liver.
  • Ultrasound Contrast Study: The contrast-enhanced ultrasound studies involve administering intravenous contrast agents that consist of nanobubbles or gas microbubbles. It provides better-quality images compared to regular ultrasound. Contrast-enhanced ultrasound studies are performed to diagnose hepatic adenoma, hepatic hemangioma, hepatocellular carcinoma, renal cell carcinoma, and complex renal cysts.
  • Ultrasound-guided Fine Needle Aspiration Biopsies: Biopsy is a procedure that involves obtaining a sample of abnormal tissue and analyzing it in the laboratory. Ultrasound assists the surgeon during the biopsy by guiding the needle to the site of abnormal tissues, such as a breast mass or thyroid nodule. The ultrasound biopsy can be performed through the fine needle (for obtaining cells) or core needle (for obtaining small tissue samples).
  • Ultrasound Guided Breast Clip Placement: A clip is placed in the breast to mark the area of concern or from which a tissue sample is taken for biopsy. The clip is shown in the imaging tests, such as ultrasound or mammogram, to determine the exact area for further treatment. After chemotherapy, which shrinks the tumor and nearby lymph nodes, the abnormal cells may still remain and are removed by the surgeon. The clip is placed with the assistance of ultrasound.