Megarectum

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Megarectum
Synonyms
Pronounce N/A
Specialty N/A
Symptoms Constipation, abdominal pain, bloating
Complications Fecal impaction, bowel obstruction
Onset
Duration
Types N/A
Causes Chronic constipation, Hirschsprung's disease, neurological disorders
Risks
Diagnosis Physical examination, abdominal X-ray, barium enema
Differential diagnosis Hirschsprung's disease, colonic inertia, anorectal malformation
Prevention
Treatment Laxatives, enemas, surgery
Medication
Prognosis
Frequency
Deaths N/A


Megarectum is a medical condition characterized by an abnormally large or dilated rectum. This condition can be either congenital (present at birth) or acquired later in life. It is often associated with chronic constipation and fecal impaction.

Causes[edit | edit source]

The causes of megarectum can be divided into two categories: congenital and acquired.

Congenital Megarectum[edit | edit source]

Congenital megarectum is a rare condition that is present at birth. It is often associated with other congenital anomalies such as Hirschsprung's disease and anorectal malformations. The exact cause of congenital megarectum is unknown, but it is thought to be due to a developmental defect in the nerves of the rectum.

Acquired Megarectum[edit | edit source]

Acquired megarectum is more common and can occur at any age. It is often caused by chronic constipation and fecal impaction. Over time, the rectum becomes stretched and dilated due to the accumulation of feces. Other causes of acquired megarectum include neurological disorders, spinal cord injuries, and certain medications.

Symptoms[edit | edit source]

The symptoms of megarectum can vary depending on the severity of the condition. Common symptoms include:

  • Chronic constipation
  • Fecal impaction
  • Abdominal pain
  • Bloating
  • Incontinence

Diagnosis[edit | edit source]

The diagnosis of megarectum is usually made based on a combination of medical history, physical examination, and imaging studies. A rectal examination may reveal a large, dilated rectum filled with feces. Imaging studies such as abdominal X-ray or CT scan can confirm the diagnosis.

Treatment[edit | edit source]

The treatment of megarectum depends on the underlying cause and severity of the condition. Treatment options may include:

See Also[edit | edit source]

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Contributors: Prab R. Tumpati, MD