Spina Bifida Ultrasound Diagnosis
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Questions and Answers

What is the main difference between meningocele and myelocele in spina bifida cystica?

  • The protrusion and herniation of the meninges
  • The defect in the midline affecting the skin, muscles, bones, and neural tube
  • The absence of skin or meninges to cover the lesion (correct)
  • The presence of heterotopic neural tissue

What is the prognosis of spina bifida related to?

  • Restricted motility of the lower limbs
  • Orthopedic malformations
  • Presence and severity of neurological involvement (correct)
  • Chromosomal defects

Which type of spina bifida has a good prognosis and requires no treatment?

  • Myelocele
  • Meningomyelocele
  • Spina bifida occulta (correct)
  • Meningocele

What is the purpose of intrauterine ventriculo-amniotic shunts?

<p>To prevent compression and atrophy of brain tissues by draining CSF from the cerebral ventricles into the amniotic sac (A)</p> Signup and view all the answers

What is a possible reason for conducting destructive procedures during delivery due to hydrocephalus?

<p>To draw off cerebrospinal fluid by perforating the infant's head or spinal tapping (C)</p> Signup and view all the answers

What is a common antenatal clinical indicator of hydrocephalus?

<p>Polyhydramnios (C)</p> Signup and view all the answers

What are the ultrasound features of spina bifida and when do they typically appear?

<p>They appear by 18-20 weeks gestation in about 90% of cases and result from a defect in the spine's fusion (A)</p> Signup and view all the answers

Which of the following conditions is NOT mentioned as a possible cause of aqueductal obstruction resulting in hydrocephalus?

<p>Hemophilia A (B)</p> Signup and view all the answers

What is an important diagnostic value of performing serial ultrasound studies for hydrocephalus?

<p>Avoiding false positive diagnosis (C)</p> Signup and view all the answers

Congenital hydrocephalus is commonly associated with which of the following neurological malformations?

<p>Spina bifida (C)</p> Signup and view all the answers

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