19.3 Paeds Neuro Radiology

Question 1

ultrasound limitation?

Answer 1

• bone

- can ultrasound through fontanelle

Question 2

why children more at risk from radiation?

Answer 2

• rapidly dividing cells and tissues

- more time to develop cancers

Question 3

spinal dysraphism is?

-how to image?

Answer 3

• spina bifida
• cutaneous manifestation
• MRI
• CT if affected bone

Question 4

how to screen young kids for spinal dysraphism?

Answer 4

ultrasound

Question 5

scoliosis defined as?

Answer 5

curvatures >10degrees

Question 6

2 main causes of abnormal head shape

Answer 6

• craniosynostoses (early fusion)

- positional plagiocephaly

Question 7

cranial x-rays in kids with trauma?

Answer 7

not really that useful to detect intracranial

Question 8

what is most common paediatric posterior fossa tumour?

Answer 8

medulloblastoma

-obstructive hydrocephalus

Question 9

periorbital cellulitis aetiology from?

Answer 9

ethmoid sinusitis (common)

Question 10

how to image periorbital cellulitis?

Answer 10

CT-scan

Question 11

neurofibromatosis type 1 , may needs screening for what intracranial abnormality?

Answer 11

optic nerve gliomas

Question 12

neurofibromatosis type 2 , may needs screening for what intracranial abnormality?

Answer 12

schwannomas