Endoanal ultrasound
Endoanal Ultrasound
Endoanal ultrasound (pronunciation: /ˌendōˈānl ˈəlˌtrasônd/) is a medical imaging technique used primarily in the diagnosis and treatment planning of anal and rectal conditions.
Etymology
The term "endoanal ultrasound" is derived from the Greek words "endon" (meaning within), "anal" (pertaining to the anus), and "ultrasound" (a technique that uses sound waves to create images of internal body structures).
Definition
Endoanal ultrasound is a type of ultrasound that involves the insertion of a special probe into the anus to obtain detailed images of the sphincter muscles and surrounding tissues. It is a minimally invasive procedure that provides high-resolution images, making it an essential tool in the diagnosis and management of various anorectal disorders.
Usage
Endoanal ultrasound is commonly used to diagnose conditions such as anal fistula, anal abscess, and anal incontinence. It is also used to evaluate the extent of rectal cancer and to plan appropriate treatment strategies.
Procedure
The procedure involves the insertion of a small ultrasound probe into the anus. The probe emits sound waves that bounce off the body's tissues, creating echoes that are converted into images on a monitor. The images provide detailed information about the structure and function of the anal and rectal tissues, helping physicians to diagnose and treat a variety of conditions.
Related Terms
- Anal fistula: An abnormal connection between the surface of the anal canal and the skin near the anus.
- Anal abscess: A painful condition caused by a collection of pus near the anus.
- Anal incontinence: The inability to control bowel movements, leading to involuntary leakage of stool.
- Rectal cancer: A type of cancer that develops in the rectum, the last several inches of the large intestine.
External links
- Medical encyclopedia article on Endoanal ultrasound
- Wikipedia's article - Endoanal ultrasound
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