Arthritic conditions

Question 1

What is Eaton Littler stage 4 thumb CMC arthritis

Answer 1

STT involvement

Do trapeziectomy

Question 2

What is the Darrach procedure

Answer 2

Distal ulna resection

Question 3

What is the Suave-kapandji procedure

Answer 3

DRUJ fusion w/ proximal ulna resection

Question 4

Ligament assoc w/ DISI

Answer 4

S-L ligament (dorsal is strongest)

Scaphoid flexes as lunate extends w/ triquetrum

Question 5

Ligament assoc w/ VISI

Answer 5

L-T ligament (volar is strongest)

Lunate flexes with scaphoid

Question 6

Motion loss with carpal fusions

Answer 6

Mid carpal = 20-35% loss

Wrist fusion = 55-60% loss

Question 7

What is Kienbock’s disease

Answer 7

Lunate AVN

Question 8

What is Preiser’s disease

Answer 8

Scaphoid AVN

Question 9

what is gymnast’s wrist

Answer 9

Premature DR physeal closure (betw zone of hypertrophy and provisional calcification)

Results in positive ulnar variance
Widening of physis on XR

Question 10

Thumb CMC arthrodesis position

Answer 10

Radial abduction 20 deg

Palmar abduction 40 deg

Question 11

PIP arthrodesis position

Answer 11

IF 30 deg
LF 35 deg
RF 40 deg
SF 45 deg

Question 12

Gold standard for end stage RA wrist

Answer 12

Total wrist arthroplasty

Question 13

DIP arthrodesis position

Answer 13

10 deg flexion for all digits

Question 14

MCP arthrodesis position

Answer 14

IF 25 deg flexion
LF 30
RF 35
SF 40