Anatomy workbook-lower extremity

Question 1

What is the name of the pathology that affects the tibial tuberosity?

Answer 1

Ossgood shaltters disease

Question 2

What is best demonstrated in an AP oblique external rotation knee?

Answer 2

-The condyles of the tibia
-Lateral margin of patella

Question 3

What is best demonstrated in the AP oblique internal knee?

Answer 3

-Proximal tib/fib joint
-Lateral femoral condyles
-Medial border of the patella

Question 4

What fracture is best seen on the skyline pattella?

Answer 4

Vertical fracture

Question 5

What projection is done for congenital hip displacement or arthiritis?

Answer 5

Unilateral frog leg

Question 6

How do you measure the pelvic inlet?

Answer 6

AP=sacral prominatory to pubic crest
Side to side=Between arcuate lines

Question 7

How do you measure the pelvic outlet?

Answer 7

AP=Tip of coccyx to pubic symphisis
Side to side=Ischial tuberosities

Question 8

What is the clinical sign that would indicate, prior to imaging, that the patient mostly likely has a fractured hip?

Answer 8

The affected leg is shorter and rotated externally

Question 9

What angle do you use for the pelvic outlet on males vs. females?

Answer 9

Males: 25-30 degrees
Females=30-45 degrees

Question 10

What portion of the acetablum is being demonstrated in a Judet EXTERNAL oblique?

Answer 10

1. Anterior rim of acetabulum
2. Illioischial column

Question 11

What portion of the acetabulum is best being demonstrated in a Judet INTERNAL oblique?

Answer 11

1. Posterior rim of acetabulum
2. Illiopubic column

Question 12

Which foot projection would best demonstrate the cuboid tarsal?

Answer 12

Medial oblique foot

Question 13

Which views of the foot would benefit from having a filter?

Answer 13

1. AP axial foot
2. Oblique foot
3. Infrosuperior calcaneous

Question 14

What are the 3 sesmoid bones in the lower extremity?

Answer 14

1. Patella
2. Flabella
3. Sesmoid on the inf. toe

Question 15

Which 2 posterior views of the ankle may be requested to demonstrate torn ligaments?

Answer 15

1. Inversion
2. Eversion

Stress views

Question 16

How would a patient with a compoud fracture of the tibia be imaged?

Answer 16

AP Tibia and horizontal ray lateral

Question 17

When and why would you use a cephalad tube angle of 5 degrees for a lateral projection of the knee?

Answer 17

Always, to open up the tibiofemoral joint because the medial condyle is lower and magnified in this position

Question 18

How can you determine that your lateral knee is over or under rotated?

Answer 18

Underotated: Rough adductor tubercle

Overotated: Smooth lateral epicondyle

Question 19

What is the purpose of the intercondylar notch view done for?

Answer 19

The detection of joint mice, arthiritus, and platau fractures

Question 20

An AP frog leg is useful to demonstrate hip normalities in children. True or false?

Answer 20

True

Question 21

Would the outlet view show elongation or foreshortening?

Answer 21

Elongation

Question 22

For the axiolateral hip, what is the central ray perpendicular to?

Answer 22

1. Femoral neck
2. IR/cassete