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Rad Posi 1 SP > Patella > Flashcards

Patella Flashcards

1
Q

Examinations of the Patella

A

•PA PROJECTION

•LATERAL PROJECTION

•PA OBLIQUE PROJECTION
Medial Rotation

•Lateral Rotation

•KUCHENDORF METHOD
PA AXIAL OBLIQUE PROJECTION
Lateral Rotation

•HUGHSTON METHOD
TANGENTIAL PROJECTION

•MERCHANT METHOD
TANGENTIAL PROJECTION

•SETTEGAST METHOD
TANGENTIAL PROJECTION

•SUNRISE METHOD
TANGENTIAL PROJECTION
MOUNTAIN/SKYLINE VIEW

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2
Q

PP:
PA PROJECTION

A

PP: Prone; heel 5-10o laterally (places
patella // to IR)

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3
Q

RP
PA PROJECTION

A

RP: Midpopletial depression

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4
Q

CR:

PA PROJECTION

A

CR: Perpendicular

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5
Q

SS: Sharper image of patella (closer OID)

A

PA PROJECTION

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6
Q

PP:
LATERAL PROJECTION

A

PP: Lateral recumbent; unaffected knee & hip flexed; unaffected foot in front; affected knee flexed 5-10o or flexed not >10 (for new or unhealed patellar fx); femoral epicondyles & patella ┴ to IR;

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7
Q

RP

LATERAL PROJECTION

A

RP: Midpatellofemoral joint

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8
Q

CR

LATERAL PROJECTION

A

CR: ┴

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9
Q

SS: Patella & patellofemoral joint space

A

LATERAL PROJECTION

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10
Q

PP

PA OBLIQUE PROJECTION
Medial Rotation

A

PP: Prone; knee flexed 5-10o; knee 45-55o medially

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11
Q

RP
PA OBLIQUE PROJECTION
Medial Rotation

A

RP: Patella

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12
Q

CR
PA OBLIQUE PROJECTION
Medial Rotation

A

CR: ┴

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13
Q

SS: Medial portion of patella free of femur

A

PA OBLIQUE PROJECTION
Medial Rotation

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14
Q

PP

Lateral Rotation

A

PP: Prone; knee flexed 5-10o; knee 45-55o laterally

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15
Q

RP

Lateral Rotation

A

RP: Patella

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16
Q

CR
Lateral Rotation

A

CR: ┴

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17
Q

SS: Lateral portion of patella free of femur

A

Lateral Rotation

18
Q

PP

KUCHENDORF METHOD
PA AXIAL OBLIQUE PROJECTION
Lateral Rotation

A

PP: Prone; hip elevated 2-3 in.; knee flexed 10o (relax the muscles); knee rotated 35-40o laterally

19
Q

RP
KUCHENDORF METHOD
PA AXIAL OBLIQUE PROJECTION
Lateral Rotation

A

RP: Joint space b/n patella & femoral condyles

20
Q

CR
KUCHENDORF METHOD
PA AXIAL OBLIQUE PROJECTION
Lateral Rotation

A

CR: 25-30ocaudad

21
Q

SS: Oblique patella free superimposition of femur

A

KUCHENDORF METHOD
PA AXIAL OBLIQUE PROJECTION
Lateral Rotation

22
Q

PP

HUGHSTON METHOD
TANGENTIAL PROJECTION

A

PP: Prone; anterior surface of knee against IR; knee flexed 50-60o; foot rested against collimator/support

23
Q

RP

HUGHSTON METHOD
TANGENTIAL PROJECTION

A

RP: Patellofemoral joint

24
Q

CR
HUGHSTON METHOD
TANGENTIAL PROJECTION

A

CR: 45o cephalad

25
Q

SS: Patella; patellofemoral joint
ER:

 To demonstrate subluxation of patella & patellar fx

 It allows assessment of femoral condyles

A

HUGHSTON METHOD
TANGENTIAL PROJECTION

26
Q

PP

MERCHANT METHOD
TANGENTIAL PROJECTION

A

PP: Supine; both knee flexed 40o or b/n 30-90o (to demonstrate various patellar disorders); IR resting on patient’s shins; uses IR holding device & axial
viewer device

27
Q

RP

MERCHANT METHOD
TANGENTIAL PROJECTION

A

RP: Midway b/n patellae at level of patellofemoral joint

28
Q

CR

MERCHANT METHOD
TANGENTIAL PROJECTION

A

CR: 30o caudad from horizontal

29
Q

SS: Femoral condyle; intercondylar sulcus & magnified nondistorted patellae

A

MERCHANT METHOD
TANGENTIAL PROJECTION

30
Q

PP

SETTEGAST METHOD
TANGENTIAL PROJECTION

A

PP: Supine or prone (preferable); knee acutely flexed until patella ┴ to IR; loop bandage around ankle or foot to hold the leg in position

31
Q

Disadvantage: Extreme flexion

A

SETTEGAST METHOD
TANGENTIAL PROJECTION

32
Q

RP

SETTEGAST METHOD
TANGENTIAL PROJECTION

A

RP: Joint space b/n patella & femoral condyles

33
Q

CR

SETTEGAST METHOD
TANGENTIAL PROJECTION

A

CR: Perpendicular (if joint is ┴); 15-20o cephalad (if joint isn’t ┴)
 Angulation depends on knee flexion

34
Q

SS: Patella; patellofemoral joint
ER:
 Useful for demonstrating vertical &
transverse fx of patella
 Useful for investigating articulating surfaces of patellofemoral articulation

A

SETTEGAST METHOD
TANGENTIAL PROJECTION

35
Q

PP

SUNRISE METHOD
TANGENTIAL PROJECTION
MOUNTAIN/SKYLINE VIEW

A

PP: Supine/Sitting; knee flexed 40-45o

36
Q

RP

SUNRISE METHOD
TANGENTIAL PROJECTION
MOUNTAIN/SKYLINE VIEW

A

RP: Patellofemoral joint

37
Q

CR

SUNRISE METHOD
TANGENTIAL PROJECTION
MOUNTAIN/SKYLINE VIEW

A

CR: 30o from horizontal

38
Q

ER: Joint space b/n patella & femoral condyles

A

SUNRISE METHOD
TANGENTIAL PROJECTION
MOUNTAIN/SKYLINE VIEW

Rad Posi 1 SP (15 decks)

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