Imaging of MSK I & II Flashcards Preview

Jason's Renal Block > Imaging of MSK I & II > Flashcards

Flashcards in Imaging of MSK I & II Deck (24)
Loading flashcards...
1

What are:
Radiolucent
Radio-opaque?

dark
light

2

inside bone: 2 types:

cortical
cancellous/trebeculae bone

3

how many epiphyses in head of humerus?

3

4

What can be mis diagnosed as fracture? 3 things

epiphyses
ossification centre
nutrient foramen

5

3 types of joints

synovial
cartilaginous
fibrous (skull suture)

6

shoulder complex ideal position to take radiograph?

slight external rotation

7

MRI what are the 3 fundamental tissue properties?

proton density
T1: fluid dark
T2: fluid bright

8

advantages of plain films?

positioning: get standing views
cheap
less radiation
good overview

9

how long for MRI to scan a joint?

~20 minutes

10

Fat suppressed in T1 or T2?

T2

11

What structures on x-ray see better on internal rotation?

humeral head

12

What structures on x-ray see better on external rotation?

greater tuberosity

13

3 main views for elbow?

AP
lateral
AP oblique

14

what happens if you have elevated fat pads on x-ray in your coranoid/olecranon fossa?

joint effusion

15

When does capitulum first appear?

1st year

16

When does trochlear, lat epicondyle, olecranon first appear?

10th year on

17

When does medical epicondyle first appear?

5th year

18

When does radial head first appear?

5th year

19

when does medial and lateral epicondyle, radial head and olecranon fuse?

between 15-20 years

20

What is between the distal ulna and the triguetrum?

triangular fibrocartilage

21

what is normal radiocarpal angle?

15 degrees

22

how is carpal alignment during wrist movement? why?

maintained due to intercarpal ligaments

23

What does nuclear scintigraphy look at?

activity within bone

24

what kind of MRI image used in MSK imaging?

T2 fat suppressed