AP KNee Flashcards

1
Q

Weight bearing side

A

Medial side

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2
Q

Fibula is

A

Lateral side

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3
Q

Check to see if the tibial eminences are jammed into the fossa, if so

A

Decreased joint space

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4
Q

Check medial joint space and then

A

Lateral joint space

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5
Q

Decreased joint space

A

Intercondylar eminence on tibia will jame into intercondylar fossa of femur

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6
Q

Decreased medial joint space and lateral preserved

A

DJD

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7
Q

See a lateral knee film, probably

A

Osgood schlatters

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8
Q

Both medial and lateral joint spaces gone

A

DJD or RA (both knees

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9
Q

Decreased medial and lateral joint space with minimal sclerosis

A

RA

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10
Q

Loss of lateral joint space only, medial preserved

A

RA

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11
Q

16-25
Atlete
Knee locks out upon extension
Pain

A

OCD

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12
Q

OCD

A

Osteochondritis dessicans

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13
Q

AVN of the lateral aspect of the medial femoral condyle

A

OCD

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14
Q

Activity modification

Take it easier

A

OCD

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15
Q

Radiographic signs OCD

A

Half moon shape appearance and under it is called joint mouse, osteochondral body (fragment)

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16
Q

Best seen on which view OCD

A

Tunnel view

17
Q

OCD
80% affect ____
20% affect ____

A

80% medial

20% lateral

18
Q

To dx OCD must see

A

Black crescent line - osteochondral fx line

19
Q

Bony fragment can dislodge and become free floating joint mouse

20
Q

Tx OCD

A

Refer to orthopedist leave along (8 months-2 years duration) or surgery

21
Q

Calcification of the medial collateral ligament aka tibial collateral ligament

A

Pelligrini steida

22
Q

Medial collateral ligament aka

A

Tibial collateral ligament

23
Q

Whisp of smoke appearance on medial aspect of knee

A

Pelligrini steida

24
Q

M/c/c pelligrini steida

A

DJD or trauma

25
Fine linear calcification parallel to the articular cortex within the joint space
CPPD
26
CPPD
Pseudogout Calcium pyrophosphate dihydrate crystal deposition disease Chondrocalcinosis
27
CPPD is called chondrocalcinosis when
Affecting cartilage
28
Thin fine white lines in middle of joint
CPPD
29
M/c in knee in meniscus
CPPD
30
Neurogenic arthropathy aka
Charcot’s joint | Neurotrophic joint
31
Scondary to imparied sensory function in joints | Seen with diabetes mellitus, leprosy, neurosyphilis, corticosteroid usuage
Neurogenic arthropathy
32
6 D’s associated with neurogenic arthropathy
``` Distention Density of subchondral sclerosis Debris within joint Dislocation Disorganization Destruction of bone ```
33
Painless Weight bearing First hypermobile joint
neurogenic arthropathy
34
If unsure, does it look like bomb went off in joint
Yes = charcot’s joint
35
Post traumatic avulsion fx of tibial tuberosity
Osgood schlatter’s
36
Tibial tuberosity tender to touch | Tibial apophysitis
Osgood schlatter’s
37
``` 10-16 Pinpoint pain and swelling Commonly involved in jumping sports usually athletes Attachment of quads LATERAL KNEE FILM ```
Osgood schlatter’s
38
Once heals = enlarged tibial tuberosity | Stretch after practice/game
Osgood schlatter’s
39
Case management osgood schlatter’s
Stop physical athletic activity and Cho-Pat brace