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NCI Dictionary of Cancer Terms


TVS   

  A procedure used to examine the vagina, uterus, fallopian tubes, ovaries, and bladder. An instrument is inserted into the vagina that causes sound waves to bounce off organs inside the pelvis. These sound waves create echoes that are sent to a computer, which creates a picture called a sonogram. Also called transvaginal sonography and transvaginal ultrasound.

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Transvaginal ultrasound; drawing shows a side view of the female reproductive anatomy during a transvaginal ultrasound procedure. An ultrasound probe (a device that makes sound waves that bounce off tissues inside the body) is shown inserted into the vagina. The bladder, uterus, right fallopian tube, and right ovary are also shown. The inset shows the diagnostic sonographer (a person trained to perform ultrasound procedures) examining a woman on a table, and a computer screen shows an image of the patient’s internal tissues.