missed Q's

Question 1

Tendon repair technique w/ best load to failure and gliding resistance

Answer 1

core suture (> 4 strands) 10mm from cut edge + circumferential running epitendinous suture

Question 2

Tx for chondrosarc

Answer 2

Wide resection alone

Question 3

neonatal septic arthritis causative organism:
nosocomial- ?
overall-?

Answer 3

Nosocomial- S aureus

Overall- Group B strep

Question 4

Peds septic hip:
A- blood culture medium
B- Lowenstein- Jensen
C- Thayer- Martin
D- Luria Bertani

Answer 4

A- Kingella Kingae
B- TB; mycobacterium avium (Middlebrook medium also)
C- Neiserria
D- E. coli

Question 5

Kocher criteria (in order of sensitivity)

Answer 5

1) history of fever (>101.3 F)
2) CRP >2 (mg/dL) (not in original criteria)
3) ESR > 40
4) Refusal to bear weight
5) WBC > 12

Question 6

Kocher criteria probability

Answer 6

0= 0.2%
1= 3%
2= 40%
3= 93.1%
4= 99.6%

Question 7

Coxa saltans (snapping hip) types

Answer 7

1. external- IT band sliding over gt troch
2. internal (most common)- iliopsoas sliding over
   a. femoral head
   b. prominent pectineal ridge
   c. exostoses of lesser troch
   d. iliopsoas bursa
3. intra- articular- loose bodies or labral tears

Question 8

Scheuermann’s kyphosis definition/ treatment

Answer 8

Thoracic kyphosis >45 deg 2/2 ant wedging of at least 5 deg across 3 consecutive levels.
AD inheritance
smith-pete osteotomy (10 deg correction/ level)

Question 9

Location of anastamosis of med fem circum & 1st perf br of profunda

Answer 9

just medial to glut max insertion

Question 10

calcific tendinitis histology

Answer 10

calcium hydroxyapatite crystals surrounded by fibroblasts, macrophages, giant cells and lymphocytes

Question 11

Amniotic band syndrome associations

Answer 11

Rigid club foot; cardiac defects, cleft palate, encephalocele (off midline)

Question 12

Posterior Apophyseal Ring Fracture (PARF)

Answer 12

Fx of posterior vertebral body in teens
sudden onsent of pain +/- radicular symptoms after lifting heavy weights
tx= laminotomy/ laminectomy, frag excision +/- fusion

Question 13

L3 myo/ dermatome

Answer 13

Iliopsoas; ant thigh

Question 14

L4 myo/ dermatome

Answer 14

quad/ ant tib, ant knee

Question 15

L5 myo/ dermatome

Answer 15

EHL; 1st dorsal webspace

Question 16

S1 myo/ dermatome

Answer 16

gastroc/ lateral foot