Exam 2 (extremities)

Question 1

This is a corticol depression in the posterolateral head of the humerus. It results from a forceful impaction of the humeral head against the anteroinferior glenoid rim when the shoulder is dislocated anteriorly.

Answer 1

Hill-Sachs lesion (Hatchet deformity)

Question 2

This is an injury of the anterior (inferior) glenoid labrum of the shoulder due to anterior shoulder dislocation.

Answer 2

Bankart Lesion/fracture

Question 3

Avulsion of the greater tuberosity by retraction of the rotator cuff is what type of fracture?

Answer 3

Flap Fracture

Question 4

The humerus is dislocated anterior and inferiorly with the arm hyperabducted and locked above the head.

Answer 4

Luxatio Erecta

Question 5

How much will the acromiohumeral join space narrow in a rotator cuff injury?

Answer 5

to less than 6mm

Question 6

60% frequency in children

Answer 6

Supracondylar fracture

Question 7

Adults are 50% likely to fracture what in an elbow injury?

Answer 7

radial head or neck

Question 8

What’s the diagnosis?

Answer 8

Anterior dislocation of radius

Question 9

A line paralleling the shaft of the radius should pass through the center of the capitellum.

Answer 9

Radiocapitellar line

Question 10

What’s the diagnosis?

Answer 10

sail sign(radial head fracture)

Question 11

What is the MC elbow fracture in adults but very rare in children?

Answer 11

olecranon fracture

Question 12

What age does nursemaids elbow typically occur in?

Answer 12

2-5 years old

Question 13

A fracture of the proximal 1/3 of the ulna with dislocation of the head of the radius.

Answer 13

Monteggia fracture

Question 14

Diagnosis?

Answer 14

Monteggia Fracture

Question 15

Findings?

Answer 15

anterior dislocation of the radial head with transverse fracture of proximal 1/3 of ulna

Question 16

Diagnosis?

Answer 16

Galeazzi fracture

Question 17

Findings?

Answer 17

fracture of the radius with dislocation of the distal radioulnar joint

Question 18

Diagnosis?

Answer 18

Greenstick radius fracture

Question 19

These represent what kind of fractures?

Answer 19

Greenstick

Question 20

Fracture of the radius about an inch and a half above the carpals with posterior displacement of the distal fragment?

Answer 20

Colles Fracture

Question 21

Diagnosis?

Answer 21

Colles Fracture

Question 22

Diagnosis?

Answer 22

Smith’s Farcture

Question 23

Diagnosis?

Answer 23

Barton’s fracture

Question 24

Diagnosis?

Answer 24

Barton’s fracture

Question 25

Diagnosis?

Answer 25

Hutchinson's/Chauffer's fracture (radial styloid head fx)

Question 26

Most common carpal fractured?

Answer 26

scaphoid (70% involve the waist)

Question 27

Diagnosis?

Answer 27

scaphoid fracture

Question 28

Diagnosis?

Answer 28

triquetral avulsion fracture

Question 29

Diagnosis?

Answer 29

Hammate fracture (best viewed on CT)

Question 30

Diagnosis?

Answer 30

Pisiform fracture

Question 31

Diagnosis?

Answer 31

anterior lunate dislocation \*lunate should sit on radius, pic shows capitate on radius

Question 32

Most common carpal dislocation?

Answer 32

perilunate

Question 33

Diagnosis?

Answer 33

perilunate dislocation

Question 34

Just look at this

Answer 34

\*PIE sign\* on exam

Question 35

Most common of the carpal instibility patterns?

Answer 35

rotatory subluxation of the scaphoid

Question 36

Terry Thomas sign is how much of a gap between scaphoid and lunate?

Answer 36

\>4mm (AKA "ring sign")

Question 37

Diagnosis?

Answer 37

Boxer's/bar room fracture

Question 38

Diagnosis?

Answer 38

Baseball or mallet finger

Question 39

An oblique fracture of the base of the first metacarpal associated with dorsal subluxation of the first metacarpal.

Answer 39

Bennett's fracture (MC injury to 1st metacarpal)

Question 40

Diagnosis?

Answer 40

Bennett's fracture

Question 41

Diagnosis?

Answer 41

Gamerkeeper's thumb

Question 42

What % of hip dislocations are posterior?

Answer 42

85-90%

Question 43

If the femur is superior to acetabulum, the dislocation is labeled?

Answer 43

posterior

Question 44

If the femur head isinferior and medial to the acetabulum (finding) your diagnosis would be?

Answer 44

anterior hip dislocation

Question 45

Diagnosis?

Answer 45

transverse fracture, basicervical, of the femoral neck

Question 46

These types of fractures usually result from severe violence and if they happen under the age of 5, suspect abuse.

Answer 46

femoral shaft fracture

Question 47

Diagnosis?

Answer 47

transverse fracture of patella

Question 48

Diagnosis?

Answer 48

ACL tear

Question 49

Diagnosis?

Answer 49

MCL tear

Question 50

A type of avulsion fracture (soft tissue structures tearing off bits of their bony attachment) of the lateral tibial condyle of the knee, immediately beyond the surface which articulates with the femur.

Answer 50

Segond fracture

Question 51

Diagnosis?

Answer 51

Segond fracture

Question 52

Diagnosis?

Answer 52

Maisonneuve fracture

Question 53

Diagnosis?

Answer 53

Tibial stress fracture

Question 54

Which ankle fracture is stable? unstable?

Answer 54

unimalleolar-stable bimalleolar-unstable

Question 55

\*TQ the ankle joint is a ring or circle made up of the TIBIA, FIBULA, and TALUS and their ligamentous attachments

Answer 55

Neer's ring analogy | (Tib Fib Tal)

Question 56

MC fracture tarsal bone?

Answer 56

calcaneus

Question 57

What measurement would you use to assess a calcaneal fracture?

Answer 57

Boehler's angle (line goes from the superior posterior margin of the tuberosity to the superior tip of the posterior facet. line two goes from the superior margin of the anterior process of the superior tip of the posterior facet. angle should not be less than 28 DEGREES)

Question 58

Diagnosis?

Answer 58

calcaneal fracture

Question 59

Second most common tarsal fracture?

Answer 59

talus

Question 60

Diagnosis?

Answer 60

talus fracture

Question 61

Diagnosis?

Answer 61

Jones/Dancer's fracture (transverse fracture at the base of the 5th metatarsal)

Question 62

Diagnosis?

Answer 62

Lisfranc dislocation | (tarsometatarsal dislocation)

Question 63

Diagnosis?

Answer 63

Chopart's dislocation | (midtarsal dislocation)

Question 64

Diagnosis?

Answer 64

Radial dislocation anteriorly

Question 65

Diagnosis?

Answer 65

Medial colateral ligament tear

Question 66

Diagnosis?

Answer 66

gamekeeper's thumb

Question 67

Answer 67

Torus fracture of radius and ulna

Question 68

Question 69

Question 70

Question 71

Answer 71

Stress (compression/impaction) in subcapital femoral neck

Question 72

Answer 72

Dancer's fracture of the 5th metatarsal

Question 73

Answer 73

Colles Fracture of distal radius