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Contrast Radiology

What does it consist on?

This technique is useful for evaluating the state and functioning of the different structures inside the human body. For this, a fluorescence screen with X-rays and contrast media, such as iodine and barium, are used. These are administered intravenously, or they are ingested or introduced as an enema, depending on each case, which makes it easier to visualize the organs and structures.

Cases in which it is recommended

To whom?

The doctor may ask you to perform a contrast X-ray to rule out and diagnose possible pathologies that affect the following organs and structures:

  • Esophagus, stomach, small intestine and large intestine.
  • Fallopian tubes (if they are blocked or inflamed) and the uterus (size, shape, structure).
  • Ducts of the parotid and submandibular salivary glands.
  • Bladder (structure and shape)
  • Urethra, in order to detect possible narrowing of the lower urinary tract)
  • Kidneys, bladder, and ureters (the tubes that carry urine from the kidneys to the bladder).
  • Orifice of the fistula, in order to demonstrate the existence of the fistula and its morphology.
Diseño sin título (60)

How should you prepare?

  • CUMS: Preparation in this link.
  • Intestinal transit: Go fasting for 6 hours.
  • Hysterosalpingography: Preparation in this link.
  • Sialography: Bring a lemon and a belt.
  • Cystography: Preparation in this link.
  • Urethrography: Preparation in this link.
  • Pyelography: Preparation in this link.
  • Opaque Enema: Preparation in this link.
  • Colonic Transit: Preparation in this link.



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