Congenital Abdominal Wall Defects
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Questions and Answers

What is the primary cause of gastroschisis?

  • Trisomy 21
  • Young maternal age
  • Failure of the lateral folds of the embryonic disc to migrate and fuse (correct)
  • Disruption of the right omphalomesenteric artery

What is the characteristic feature of omphalocele?

  • Beckwith-Wiedemann Syndrome
  • Protrusion of abdominal viscera contained within a parietal peritoneum and amniotic membranous sac (correct)
  • Trisomy 21
  • Protruded bowel not covered by a membrane

What is a risk factor for gastroschisis?

  • Trisomy 18
  • Family history of gastroschisis
  • Maternal age over 35
  • Maternal age under 20 (correct)

During which week of gestation do the lateral folds of the embryonic disc normally migrate and fuse?

<p>3rd-4th week (A)</p> Signup and view all the answers

What is a possible consequence of the midgut failing to return to the abdomen by the 10th week of gestation?

<p>Ischemia of the abdominal wall and weakness leading to herniation (A)</p> Signup and view all the answers

What is the primary repair method used for small diaphragmatic defects?

<p>Single layer of nonabsorbable horizontal mattress sutures (C)</p> Signup and view all the answers

What is the incidence of gastroschisis per 10,000 births?

<p>4 per 10,000 (C)</p> Signup and view all the answers

What is the most common location of the hernia in Congenital Diaphragmatic Hernia (CDH)?

<p>Left side (A)</p> Signup and view all the answers

What is the male to female ratio for omphalocele incidence?

<p>1.5:1 (C)</p> Signup and view all the answers

What is the percentage of gastroschisis associated with congenital anomalies?

<p>10-15% (A)</p> Signup and view all the answers

What is the primary cause of Congenital Diaphragmatic Hernia (CDH)?

<p>Failure of the pleuroperitoneal membranes to close (C)</p> Signup and view all the answers

What is a common associated anomaly with Congenital Diaphragmatic Hernia (CDH)?

<p>Neural tube defects (B)</p> Signup and view all the answers

What percentage of omphalocele cases are associated with congenital anomalies?

<p>&gt;70% (D)</p> Signup and view all the answers

Who is credited with the first description of omphalocele?

<p>Ambroise Paré (D)</p> Signup and view all the answers

What is a characteristic of the Bochdalek type of Congenital Diaphragmatic Hernia (CDH)?

<p>Defect in the posterolateral part of the diaphragm (B)</p> Signup and view all the answers

What is a consequence of Congenital Diaphragmatic Hernia (CDH)?

<p>Lung hypoplasia (D)</p> Signup and view all the answers

What is the clinical presentation of Congenital Diaphragmatic Hernia (CDH) correlated with?

<p>The degree of pulmonary hypoplasia and pulmonary hypertension (B)</p> Signup and view all the answers

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