ABPS ABPS Craniofacial & Pediatric Plastic Surgery

Question 1

Which suture is prematurely fused in scaphocephaly (dolichocephaly)?

Accepted Answer

Sagittal suture

Answer

Coronal suture

Answer

Metopic suture

Answer

Lambdoid suture

Question 2

Tessier's classification system organizes craniofacial clefts along which anatomical axes?

Accepted Answer

Numbered clefts 0–14 running through soft tissue and skeleton

Answer

Embryological fusion lines only

Answer

Vascular territories of the face

Answer

Dermatomal distribution of the trigeminal nerve

Question 3

In unilateral cleft lip repair, the Millard rotation-advancement technique primarily achieves lip length by which mechanism?

Accepted Answer

Rotating the medial lip element down and advancing the lateral flap

Answer

Z-plasty transposition of the philtral column

Answer

Lengthening the columella with a V-Y plasty

Answer

Borrowing tissue from the nasal floor

Question 4

Velopharyngeal insufficiency (VPI) following cleft palate repair is best evaluated with which study?

Accepted Answer

Nasopharyngoscopy and nasometry

Answer

CT scan of the skull base

Answer

Lateral cephalogram only

Answer

Electromyography of the levator veli palatini

Question 5

Apert syndrome is caused by a mutation in which gene?

Accepted Answer

FGFR2

Answer

TWIST1

Answer

MSX2

Answer

RUNX2

Question 6

Which surgical procedure is used to address midface hypoplasia in Crouzon syndrome?

Accepted Answer

Le Fort III osteotomy

Answer

Fronto-orbital advancement

Answer

Mandibular distraction osteogenesis

Answer

Malar augmentation with implants