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Questions and Answers
Which part of the colon is most commonly affected in Hirschsprung disease?
Which part of the colon is most commonly affected in Hirschsprung disease?
- Transverse colon
- Descending colon
- Rectosigmoid region (correct)
- Ascending colon
What is the first sign of Hirschsprung disease in newborns?
What is the first sign of Hirschsprung disease in newborns?
- Failure to pass meconium within 48 hours (correct)
- Gastrointestinal obstruction
- Bilious vomiting
- Abdominal distention
Which part of the colon can be affected in total colonic Hirschsprung disease?
Which part of the colon can be affected in total colonic Hirschsprung disease?
- Ascending colon
- Rectosigmoid region
- Entire colon (correct)
- Transverse colon
What is the medical term for Hirschsprung disease?
What is the medical term for Hirschsprung disease?
Which type of Hirschsprung disease is associated with an early and more severe onset of symptoms?
Which type of Hirschsprung disease is associated with an early and more severe onset of symptoms?
Which of the following is a characteristic of Hirschsprung disease?
Which of the following is a characteristic of Hirschsprung disease?
What is the main symptom of Hirschsprung disease in newborns?
What is the main symptom of Hirschsprung disease in newborns?
Which part of the colon is most commonly affected in Hirschsprung disease?
Which part of the colon is most commonly affected in Hirschsprung disease?
What type of Hirschsprung disease can affect the entire colon?
What type of Hirschsprung disease can affect the entire colon?
What is the association between the length of the aganglionic segment and the onset of symptoms in Hirschsprung disease?
What is the association between the length of the aganglionic segment and the onset of symptoms in Hirschsprung disease?
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Study Notes
Hirschsprung Disease
- The rectosigmoid region of the colon is most commonly affected in Hirschsprung disease.
Clinical Presentation
- The first sign of Hirschsprung disease in newborns is often a failure to pass meconium in the first 24-48 hours after birth.
Total Colonic Hirschsprung Disease
- In total colonic Hirschsprung disease, the entire colon can be affected.
Medical Terminology
- Hirschsprung disease is also known as congenital aganglionic megacolon.
Types of Hirschsprung Disease
- The long-segment subtype of Hirschsprung disease is associated with an early and more severe onset of symptoms.
Characteristics
- A characteristic of Hirschsprung disease is the absence of ganglion cells in the myenteric plexus of the intestinal wall.
Symptoms
- The main symptom of Hirschsprung disease in newborns is a delay in passing meconium.
Pathophysiology
- The length of the aganglionic segment is directly correlated with the onset of symptoms in Hirschsprung disease, with longer segments associated with earlier and more severe symptoms.
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