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1
Q

causes of distal clavicular osteolysis

A

Hyperparathyroidism, Cleidocranial dysostosis, Pyknodysostosis, Rheumatoid Arthritis, Trauma, Scleroderma

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2
Q

lucent lesions that cause adjacent sclerosis (“bone irritating lesions”)

A

osteoid osteoma, chondroblastoma, eosinophilic granuloma, infection

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3
Q

causes of avascular necrosis

A

alcoholism, steroids/SLE/sickle cell, Gaucher’s, pancreatitis, trauma, infection/idiopathic, caisson disease

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4
Q

tumor-induced osteomalacia

A

hemangiopericytoma of bone

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5
Q

Bohler angle less than what indicates calcaneal fx?

A

20 degrees

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6
Q

patellar tendon-lateral femoral condyle friction syndrome is associated with?

A
  • patella alta - lateral patellar subluxation
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7
Q

patellar tendon-lateral femoral condyle friction syndrome is also called

A

Hoffa fat pad impingement syndrome

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8
Q

normal Insall-Salvati ratio

A

< 1.2

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9
Q

what attaches as conjoined tendon on fibula?

A

biceps femoris AND lateral collateral ligament

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10
Q

what attaches with the posterior fibers of the IT band on the lateral proximal tibia?

A

anterior oblique band of LCL

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11
Q

sign?

dx?

A
  • yo-yo on a string
  • Stener lesion
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12
Q

MC type of acetabular fx

A

posterior wall

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13
Q

what kind of shoulder dislocation is MC?

A

anterior inferior (subcoracoid)

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14
Q

Hill-Sachs is best seen on which view?

A

internal rotation

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15
Q

Bankart is on which part of glenoid/labrum?

A

anterior inferior

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16
Q
A

proximal tear of ulnar collateral ligament (UCL)

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17
Q

which is most important band of UCL?

A

anterior

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18
Q

when does UCL get torn?

A

valgus stress (pitchers)

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19
Q

what is it and MC Location

A
  • bipartite patella
  • superolateral
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20
Q

rupture of which tendon can lead to flatfoot?

A

tibialis posterior

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21
Q

soft tissue mass in foot

A

synovial sarcoma

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22
Q

age for synovial sarcoma

A

20-40 yo

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23
Q

x-18 translocation

A

synovial sarcoma

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24
Q

Baker’s cysts are located where

A

between medial head of gastroc and semimembranosus

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25
synovial sarcoma signs
- triple sign - bowl of grapes
26
synovial sarcoma "bowl of grapes" and "triple sign" (H, I, L meaning areas of high, intermediate, and low intensity)
27
in Stener lesion, what is superficial to what?
UCL is superficial to adductor pollicis aponeurosis
28
pull of what ligament causes triquetral avulsion?
radiocarpal ligament
29
liposarcoma variant in patient \< 20 yo and MR imaging characteristics
- **myxoid** liposarcoma - T1 ***dark***, T2 _bright_
30
clubfoot
- elevated plantar arch - hindfoot varus - medial deviation and inversion of forefoot
31
which angle is decreased in hindfoot varus ?
talocalcaneal angle
32
rocker bottom foot
- hindfoot valgus - vertical talus
33
rocker bottom foot association
myelomeningocele
34
signs of talocalcaneal coalition
- continuous C - talar beak
35
talocalcaneal (subtalar) coalition involves which facet?
middle facet
36
anteater sign is what? seen in which coalition?
- elongated anterior process of calcaneus - calcaneonavicular
37
what causes continuos C sign?
absent middle facet of subtalar joint
38
SLAP
39
MC peds elbow fractures
supracondylar \> lateral condyle \> medial epicondyle
40
little league elbow
medial epicondyle avulsion
41
conjoint tendon at fibular head formed by what?
biceps femoris + LCL
42
parameniscal cysts seen on which side?
lateral meniscus
43
discoid meniscus side
lateral meniscus
44
medial meniscus is thicker on which side?
posterior
45
tennis elbow
lateral epidondylitis
46
MC structure to be injured in lateral epicondylitis
common extensor tendon (MC muscle - extensor carpi radialis brevis)
47
rotator interval
48
what insert on Gerdy's tubercle
- IT band - tibialis anterior
49
Gerdy's tubercle
lateral condyle of proximal tibia
50
where are 1st manifestations of AS?
SI joints
51
SIJ erosions of AS favor which side?
iliac
52
DDx of calcaneal erosions
reactive arthritis, RA
53
Felty syndrome
- RA - splenomegaly - neutropenia
54
accessory navicular can cause chronic tearing of which tendon
tibialis posterior tendon
55
which synovial spaces normally communicate?
pisiform recess and radiocarpal joint
56
finding and association
Freiberg infraction high-heeled shoes
57
ALPSA
anterior labral periosteal sleeve avulsion
58
GLAD
glenolarbral articular disruption
59
MC location of subchondral insufficiency fx in knee
medial femoral condyle
60
T-score in osteoporosis
\< -2.5
61
T-score in osteopenia
-1.0 to -2.5
62
factors predisposing to patellar instability
- patella alta - trochlear dysplasia - lateralization of tibial tuberostity
63
ALPSA
64
pivot shift reciprocal contusions
posterior lateral tibial plateau + anterior lateral femoral condyle
65
what structure? what attaches here?
AIIS rectus femoris
66
grade 2 AC separation
AC interval \> 6 mm, CC interval normal
67
grade 3 AC separation
disruption of AC + CC AND superior dislocation of clavicle
68
grade 4 AC separation
posterior displacement of clavicle
69
intraosseous lipoma
70
rocker bottom
71
clubfoot
72
posterior ankle impingement
os trigonum syndrome
73
MC soft tissue tumors of hand
1. ganglion cyst 2. GCT of tendon sheath (PVNS)
74
MR signal characteristics of GCT of tendon sheath
T1 dark, T2 dark
75
location of sublabral recess follows contour of what?
12 o'clock glenoid
76
Bankart is where on glenoid?
anterior inferior

Nukes (11 decks)

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