Distal humerus fracture

Question 1

AO Segment

Answer 1

13

Question 2

AO extra articular

Answer 2

13A

Question 3

AO partial articular

Answer 3

13B

Question 4

AO complete articular

Answer 4

13C

Question 5

AO extra articular avulsion of epicondyle

Answer 5

13A1
13A1.1 lateral
13A1.2 medial

Question 6

AO extra articular simple fracture

Answer 6

13A2
13A2.1 spiral
13A2.2 oblique
13A2.3 transverse

Question 7

AO extra articular wedge or multifragmentary

Answer 7

13A3
13A3.1 intact wedge
13A3.2 fragmentary wedge
13A3.3 multifragmentary wedge

Question 8

AO partial articular lateral

Answer 8

13B1
13B1.1 transtrochlear
13B1.2 capitellum
13B1.3 fragmentary transtrochlear

Question 9

AO partial articular medial

Answer 9

13B2
13B2.1 transtrochlear
13B2.2 through medial articular survace
13B2.3 fragmentary transtrochlearic fracture

Question 10

AO partial frontal

Answer 10

13B3
13B3.1 capitellum
13B3.2 trochlea
13B3.3 capitellum and trochlea

Question 11

AO artic s meta s

Answer 11

13C1
13C1.1 above transcondylar plane
13C1.3 through or below transcondylar plane

Question 12

AO artic s meta c

Answer 12

13C2
13C2.1 intact wedge
13C2.2 fragmentary wedge
13C2.3 metaphyseal multifragmentary

Question 13

Ao artic c meta c

Answer 13

13C3.1 simple artic multi
13C3.2 meta wedge
13.C3.3 multifragmentary

Question 14

Indication

Answer 14

if fit to operate:

always

Question 15

Type of operation

Answer 15

A1 : screw only
A2 : plate and screws
B1-3 : plate and screws
C1-3 : double plates
- if possible orthogonal
- if very distal parallel