1

Question 1

What part of the ventricles enlarges first?

Answer 1

Atrium

Question 2

Cephalic Index:

Answer 2

BPD/OFD x 100

Question 3

Cephalic Index for brachiocephaly

Answer 3

> 85

Question 4

Cephalic Index for dolichocephaly

Answer 4

<75

Question 5

Mesocephalic:

Answer 5

Normal head shape

Question 6

A CM measurement of >10mm is indicative of mega CM or Dandy Walker complex, but a measurement of <2mm is indicative of:

Answer 6

Arnold Chiari II

Question 7

Most common cranial abnormality?

Answer 7

Ventriculomegaly

Question 8

Most common cause of hydrocephalus

Answer 8

Aqueductal stenosis

Question 9

When is alobar holoproscencephaly diagnosed?

Answer 9

Absence of the CC, CSP, falx, interhemispheric fissure and third ventricle

Question 10

Most common NT defect?

Answer 10

Acrainia– Anencephaly

Question 11

Most common region for a cephalocele?

Answer 11

Occipital

Question 12

Most common intracranial tumor in utero?

Answer 12

Teratoma

Question 13

What is commonly confused with macroglossia? How can you differentiate?

Answer 13

Oral teratoma

Teratoma’s are typically complex and macroglossia is solid

Question 14

A sacrococcygeal teratoma is a __________ tumor:

Answer 14

germ cell

Question 15

Most common congenital neoplasm:

Answer 15

Sacrococcygeal teratoma

Question 16

Double bleb

Answer 16

Amnion and YS