Final

Question 1

What are the 4 stages of AVN?

Answer 1

1. Avascular
2. Revascularization
3. Repair
4. Deformity

Question 2

AVN has a predisposition to what?

Answer 2

Epiphyseal

Question 3

Creeping substitution is seen in what phase?

Answer 3

Revascularization

Question 4

Rim/crescent sign are seen when?

Answer 4

Subchondral fractures

Question 5

When do you see a mottled trabecular pattern?

Answer 5

In the revascularization phase

Question 6

The snow cap sign is seen with what?

Answer 6

Sclerosis

Question 7

What is Adult femoral head AVN called?

Answer 7

Chandlers disease

Question 8

Is chandlers disease more common in men or woman?

Answer 8

Men

Question 9

What is the age range for chandlers disease?

Answer 9

30-70 y

Question 10

What is increased in LCP disease ?

Answer 10

Increased tear drop distance (small epiphysis)

Question 11

What and where is servers disease?

Answer 11

Sclerosis and fragmentation of the calcaneal apophysis

Question 12

Is servers disease a necrosis ?

Answer 12

No

Question 13

What is navicular collapse ?

Answer 13

Kohlers

Question 14

What is scheuermanns?

Answer 14

3 consecutive vert. AKA juvenile disco genie disease

Question 15

What is AVN of the lunate?

Answer 15

Kienbock’s disease

Question 16

Who is Kienbock’s disease most common in?

Answer 16

Men (20-40)

Question 17

A negative ulnar variance is associated with what?

Answer 17

Keinbocks

Question 18

AVN of the 2nd metatarsal head is called what?

Answer 18

Freibergs disease

Question 19

Pain and swelling In the hands and feet is associated with what?

Answer 19

Sickle cell

Question 20

What 3 things are associated with sickle cell anemia?

Answer 20

H vert, Lincoln log vert, Reynolds phenomenon

Question 21

what is the normal RPI?

Answer 21

<7

Question 22

What is the normal RTI?

Answer 22

<22

Question 23

What is another name for Thalassemia?

Answer 23

Cooleys anemia

Question 24

Hair on end skull is associated with what?

Answer 24

Thalassemia

Question 25

Hemophilia is more common in who?

Answer 25

Males

Question 26

What is an X chromosome linked bleeding disorder ?

Answer 26

Hemophilia

Question 27

Growth arrest lines are associated with what?

Answer 27

Leukemia

Question 28

What is Phemisters triad?

Answer 28

Juxta-articular osteoporosis, marginal erosions, slow joint space loss.

Question 29

ADI in a kid?

Answer 29

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Question 30

ADI in an adult ?

Answer 30

<3

Question 31

Increase in ADI is MC caused by what?

Answer 31

RA

Question 32

Square femoral condyles are associated with what?

Answer 32

Hemophilia