Megacolon

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(Redirected from Macrocolon)

Megacolon[edit | edit source]

Megacolon is an abnormal dilation of the colon (also known as the large intestine) that is not caused by mechanical obstruction. The dilation is often accompanied by a paralysis of the peristaltic movements of the bowel. In more extreme cases, the feces consolidate into hard masses inside the colon, called fecalomas. The condition is often classified into two types, Congenital megacolon and Acquired megacolon.

Macro Côlon - Mégacôlon congénital 55-o.apatho-1710e-colon

Causes[edit | edit source]

Megacolon can be associated with several conditions. The most common types are:

  • Congenital megacolon: This is also known as Hirschsprung's disease. It is caused by the absence of nerve cells in the muscles of the colon.
  • Acquired megacolon: This can be caused by a number of factors including Chagas disease, an infection that damages the nerves in the colon, and chronic constipation.
Toxic megacolon

Symptoms[edit | edit source]

Symptoms of megacolon can include:

  • Abdominal pain or bloating
  • Chronic constipation
  • Weight loss
  • Fatigue
  • In severe cases, fecal impaction

Diagnosis[edit | edit source]

Diagnosis of megacolon can be made through a variety of tests, including:

  • X-ray: An X-ray of the abdomen can show if the colon is enlarged.
  • Colonoscopy: This test allows the doctor to view the inside of the colon.
  • Manometry: This test measures the pressure inside the colon.

Treatment[edit | edit source]

Treatment for megacolon often involves addressing the underlying cause of the condition. This can include:

  • Medication: Drugs that stimulate the muscles in the colon can help improve bowel movements.
  • Surgery: In severe cases, part or all of the colon may need to be removed.

See also[edit | edit source]

Megacolon Resources
Wikipedia
WikiMD
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