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CORE studying > MSK trauma > Flashcards

MSK trauma Flashcards

1
Q

Pelvis avulsion injury: attachment?

- Iliac crest

A
  • Abdominal muscles (eg obliques)
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2
Q

Pelvis avulsion injury: attachment?

- ASIS

A
  • Sartorius

- Tensor fascia lata

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3
Q

Pelvis avulsion injury: attachment?

- AIIS

A
  • Rectus femoris
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4
Q

Pelvis avulsion injury: attachment?

- Greater trochanter

A
  • Hip rotators, gluteus muscles
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5
Q

Pelvis avulsion injury: attachment?

- Lesser trochanter

A
  • Iliospoas
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6
Q

Pelvis avulsion injury: attachment?

- Ischial tuberosity

A
  • Hamstrings
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7
Q

Pelvis avulsion injury: attachment?

- Symphysis

A
  • ADDuctor group
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8
Q

Segond fx

  • Body part?
  • Associated injury?
A
  • Lateral tibial plateau

- ACL (75%)

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9
Q

Reverse Segond fx

  • Body part?
  • Associated injury?
A
  • Medial tibial plateau

- PCL

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10
Q

Arcuate sign

  • Body part?
  • Associated injury?
A
  • Proximal fibula

- PCL (90%)

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11
Q

Deep intercondylar notch sign

  • Body part?
  • Associated injury?
A
  • Lateral femoral condyle

- ACL

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12
Q

O’Donoghue’s Unhappy Triad

- Classic constituents?

A

ACL tear
Medial meniscus
MCL

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13
Q

Keinbock disease

A
  • AVN of the lunate
  • Commonly seen with ulnar NEGATIVE variance
  • T1 signal dropout
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14
Q

Colles’ fx

A
  • Distal radius
  • Dorsal angulation/tilt
    (Looks like a Collie dog’s wrist)
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15
Q

Smith fx

A
  • Distal radius

- Volar angulation

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16
Q

Barton fx

A
  • Radial rim fx (articular)

- Volar more common than dorsal

17
Q

Bennett fx vs Rolando fx

  • body part?
  • difference?
A
  • BASE of 1st metacarpal

- Rolando is comminuted

18
Q

Gamekeeper’s thumb?

A
  • Avulsion fx, BASE of 1st proximal phalanx

- UCL injury

19
Q

Stener lesion

A
  • UCL injury (Gamekeeper’s thumb) with displacement of UCL EXTERNAL to the adductor tendon aponeurosis
  • SURGERY: UCL can’t re-approximate and heal
20
Q

Monteggia fx

A

Proximal ulna fx + anterior dislocation of radial head

mugger: MU-GR

21
Q

Galeazzi fx

A

Radial SHAFT fx + dislocation of ulna at DRUJ

mugger: MU-GR

22
Q

Essex-Lopresti fx

A

Radial HEAD fx + dislocation of ulna at DRUJ

23
Q

Anterior dislocation of the shoulder:

  • Fx of greater tuberosity?
  • Fx of anterior inferior glenoid?
A
  • Hill-Sachs (H for Humerus)

- “Bony” Bankart (Bankart = anteroinferior labrum)

24
Q
  • Who gets conventional total shoulder arthroplasty?

- Reverse?

A
  • Shitty glenoid, cuff intact
  • Shitty glenoid, cuff tear

Reverse helps keep the joint seated: if the cuff is gone, reverse TSA

25
Q

Patellar dislocation

- What ligament is injured?

A

Medial patellofemoral ligament

26
Q
  • Classification system for tibial plateau fractures?

- Most common subtype (numerical value and description)?

A
  • Schatzker (real quick, 1-3 involve lat TP; 4 is purely medial; 5 is both; 6 is transverse fx metadiaphysis + TP fx)
  • 2 is most common (wedge fx of lat TP with depression or displacement/splitting)
27
Q

Pilon fx?

Common association?

A
  • Fx of tibial plafond (at the ankle)

- Distal fibular fx

28
Q

Direction of physeal closure at the distal tibial physis?

A

Medial first, lateral last

29
Q

Fx name/eponym:

Salter-Harris 3 fx of anterolateral distal tibial epiphysis?

A

Tillaux fx

30
Q

Describe 3 components of a triplane fx

A
  • Vertical component –> epiphysis
  • Horizontal component –> physis
  • Oblique component –> metaphysis
31
Q

Medial malleolus fx + widening of tibiofibular syndesmosis at the ankle

  • Name?
  • What next?
A
  • Maisonneuve fx

- Get a full tib/fib to look for proximal fibular fx (energy transfer proximally through syndesmosis)

32
Q

Casanova or Lover’s fx?

Association?

A
  • Fx of the body of the calcaneus (lover jumps out window)

- If bilateral, search for T/L spine fx

33
Q

Acute flat foot…

  • What was injured?
  • What gets hit next?
A
  • Posterior tibialis tendon (behind medial malleolus)

- Spring ligament

34
Q

MRI findings of sinus tarsi syndrome?

A

Loss of fat signal

35
Q

“Boomerang” sign = injury to what tendon behind the lateral malleolus?

A

Split tear of peroneus BREVIS

  • Brevis is closer to lat malleolus (“shorter” distance to lat mal)
36
Q

Little leaguer’s shoulder?

A

Salter-Harris type 1 fx proximal humerus

  • Chronic injury, look for periosteal rxn
  • Growth plate looks funny, upside down V… don’t try calling it a Salter 2

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