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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?

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

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

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

What is a common antenatal clinical indicator of hydrocephalus?

Polyhydramnios (C) Signup and view all the answers

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

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

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

Hemophilia A (B) Signup and view all the answers

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

Avoiding false positive diagnosis (C) Signup and view all the answers

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

Spina bifida (C) Signup and view all the answers