Hand

Question 1

Syndactyly associated conditions

Answer 1

Holt-Oram, Apert, Poland’s, Carpenter

Question 2

Syndactyly is not associated with what congenital disease

Answer 2

Tay-Sach’s

Question 3

What injury causes swan neck deformity

Answer 3

PIJ volar plate attenuation and extensor tendon disruption

Question 4

What causes Boutonnierre deformity

Answer 4

Central slip rupture with attenuation of the triangular ligament and palmar migration of the sagittal/lateral bands

Question 5

How to fix transverse P1 fxs

Answer 5

They go apex palmar because of the pull of the central slip. Flex MCPs fully to reduce the fx (acts as tension band) and pin.