PEDIATRICS Section I: Skull and Scalp: Craniocyosotis Table

Question 1

Trigonocephaly

Answer 1

Metopic (frontal) Synostosis

Question 2

Brachycephaly

Answer 2

Coronal Synostosis

Question 3

Scaphocephaly

Answer 3

Sagittal Synostosis

Question 4

Dolichocephalic
Turricephaly (if bilateral)

Answer 4

Lambdoid Synostosis

Question 5

Onset: Weeks After Birth
Ipsilateral Ear: Anterior
Frontal Bossing: Ipsilateral
Most common cause of an abnormal skull shape in infant
Management is conservative

Answer 5

Question 6

Onset: Birth
Ipsilateral Ear: Posterior / Inferior Frontal Bossing: Contralateral Rare as Fuck
Management is Surgery

Answer 6

Question 7

If lambdoid craniosynostosis is bilateral, thick of what condistion?

Answer 7

Rhomboencephalosynapsis
- a rare form of cerebellar hypoplasia in which the hemispheres and dentate nuclei are fused across the midline in the absence of a vermis.

Question 8

How do you describe a normal open suture?

Answer 8

as an uninterrupted hypoechoic fibrous gap between hyperechoic cranial bones (Bright - Dark - Bright, Bone - Suture - Bone).

Question 9

When you hear NF-1 in craniosynostosis, think of these common buzzwords:

Answer 9

• Absence / Dysplasia of the Greater
  Sphenoid Wing,
• Tibial Pseudoarthrosis,
• Scoliosis, and
• Lateral Thoracic Meningocele.

add:
bone defect in the region of the lambdoid suture
asterion defect