Intro to Diagnostic Radiology PowerPoint Flashcards Preview

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Flashcards in Intro to Diagnostic Radiology PowerPoint Deck (39):
1

callus formation is___

new bone being laid down, can be sign of occult stress fracture

2

MRI gold standard for....

soft tissue injury

3

If you see excess bone on XRAY what is one pathology it could be?

Pagets dz

4

DEXA scan used mostly for___

osteopenia/ osteoporosis

5

most shoulder dislocations are ____

anterior

6

for shoulder complaint what xrays should you order?

always get an AP and Y or wide view - always order 2 views!

7

A Y xray view is aka as ___

a lateral view

8

For humeral/ arm concerns always order..

AP and Y view - at least 2 views

9

what 2 views best for elbow?

AP and lateral view

10

T/F olecranon fractures are rare

rare

11

if supracondular fx or radial head fx are left untreated what is a complication that could develop?

Volkmanns contracture aka claw hand

12

what is a Volkmann contracture?

due to brachial artery damage = ischemia to forearm
Wrist flexion, MCP jt extension, IP jt flexion

13

if you see a fat pad on an xray what could that mean?

there is bleeding into a joint and there is an occult fracture

14

if there is a radial head fx what could be presenting signs?

bursitis or tendonitis in the elbow

15

greenstick fx is....

when bone bends and cracks instead of breaking clean into 2 pieces

more common in kids under 10 because bones still very flexible at this point

16

any time there is a wrist injury what do you need to do?

palpate the anatomical snuff box!! Looking for pain or bogginess

Way to r/o a scaphoid fracture and/or AVN of bone secondary to a scaphoid fracture injuring the radial artery

17

if worried about scaphoid fracture / AVN order what 4 tests?

order 3 xray views and then also a scaphoid view

Get them in thumb spike splint and f/u with repeat film

18

extension fracture of the radius aka___

Colles fracture

19

Flexion fracture of radius aka___

smiths fracture
or "reverse colles"
MOI: fall with hand inward

20

for hand injuries what 3 views should you order?

PA, lateral, oblique

21

what is classic boxers fracture?

Fracture of the 5th MCP
MOI: altercation/ punch

Usually just splint these.. if severe and angulated fx get ortho

22

for a finger jt. dislocation such as 5th PIP.. what should you always do before reducing it?

order a xray to see if there is also a fracture there - and document what was all there before you do in office reduction

23

what are some signs of degenerative jt disease?

loss joint space, loss art. cartilage, osteophytes, sclerosis, OA

24

what is one pathology to think of with a hip strain?

trochanteric bursitis

25

what is skiffy injury?

slipped capped epiphysis
Seen commonly in teens
Obesity is risk factor

26

what is legg calves disease?

Pediatrics ages 3-10
See necrosis to femoral head
signs: limping
due to reduced blood flow to femoral head

27

hip and pelvis always get __ view and ___

AP and compare both sides

28

if you suspect a hip fx and want to do xray but pt is older, cant bear weight etc.. what do you order?

MRI

29

dangerous complication of femur fx

fat emboli

30

if worried about patellar fx order...

sunrise view xray
knee is bent in xray can see vertical fx easier

31

knee order..

AP and lateral view

32

what is most common peds MSK tumor?

osteocarcinoma
seen in teens - pain in legs or extremity, worse throughout day horrible at night

Causes immature new bone growth - on xray have mixture of densities

33

view for ankle injury

AP, lateral, oblique

34

osteomyelitis def and what is common cause?

bone infection - DM

35

diagnostic test for osteomyelitis

MRI

36

anyone with an ulceration in the foot what do you do?

admit and get plain xray

37

foot views

AP, lateral, oblique

38

if you ever see a calcaneous fracture from a fall MOI suspect ____ fracture as well

compression fracture in lumbar spine

39

what is considered the "ballerina fx"

evulsion fracture at base of 5th MT due to eversion