Transrectal ultrasonography

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Transrectal ultrasonography (pronounced as trans-rect-al ultra-son-og-raphy) is a medical imaging procedure that uses sound waves to create images of the rectum and nearby structures.

Etymology

The term "transrectal ultrasonography" is derived from the Latin word "trans" meaning "across", "rectum" referring to the final section of the large intestine, and "ultrasonography" which is a combination of the Latin word "ultra" meaning "beyond", and the Greek words "sonos" meaning "sound" and "graphia" meaning "writing".

Procedure

In a transrectal ultrasonography, a small, lubricated probe is inserted into the rectum. This probe emits sound waves that bounce off body tissues to create echoes. The probe then receives these echoes, which are turned into images by a computer. The procedure is commonly used to examine the prostate gland in men and the rectum in both men and women.

Related Terms

  • Ultrasound: A type of imaging that uses high-frequency sound waves to look at organs and structures inside the body.
  • Rectum: The final section of the large intestine, terminating at the anus.
  • Prostate gland: A gland surrounding the neck of the bladder in male mammals and releasing prostatic fluid.

Uses

Transrectal ultrasonography is often used to diagnose conditions affecting the rectum and nearby structures, such as:

Risks

As with any medical procedure, transrectal ultrasonography carries some risks, including the potential for infection or bleeding. However, these risks are generally low.

External links

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