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positioning > upper > Flashcards

upper Flashcards

1
Q

Radiographic projection of the first CMC joint.

A

AP PROJECTION
ROBERT METHOD

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2
Q

Angled 15 degrees proximally along the long axis of the thumb and entering the first CMC joint

A

Long and Rafert modification

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3
Q
  • Angled 10 to 15 degrees proximally along the long axis of the thumb and entering the
    first MCP joint.
A

Lewis modification

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4
Q

Sprain or tearing of ulnar collateral ligament of thumb at MCP joint as a result of acute
hyperextension of thumb;

A

skier’s thumb

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5
Q

Both hands rotated laterally side by side to place thumbs parallel to IR (cassette) for true PA projection of both thumbs.

A

PA STRESS THUMB PROJECTION
FOLIO METHOD

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6
Q
  • Patient’s forearm on the table with the palmar surface on top of the IR .
  • Center the IR to the MCP joints.
  • Spread the fingers slightly
    CR - Perpendicular to the 3rd MCP joint.
A

PA PROJECTION

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7
Q
  • Patient’s forearm on the table with the hand pronated.
  • Oblique the hand Approx. 45 degrees.
  • Use a 45-degree foam wedge.
  • Center the IR to the MCP joints
    CR - Perpendicular to the 3rd MCP joint.
A

PA OBLIQUE PROJECTION
Lateral rotation

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8
Q

Best demonstrate a
clearer image of the 1st
CMC joint than the
standard AP projection

A

BURMAN METHOD

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9
Q
  • Hand rotated laterally into
    45 degree oblique
    position; resulting in true
    PA projection of the thumb
  • CR perpendicular to level of
    the MCP joints.
  • Useful for the diagnosis
    of the ulnar collateral
    ligament (UCL) rupture in
    the MCP joint of the
    thumb (Skier’s thumb).
  • Also known as the patient
    controlled stress
    radiography of the thumb.
A

FOLIO METHOD

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10
Q
  • Hand & forearm in same
    horizontal plane
  • Hand pronated with
    fingers extended
A

PA PROJECTION

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11
Q

Hand and forearm in
same horizontal plane as
film.
* Pronate hand with fingers
extended.
* Oblique hand from prone
towards lateral.

A

PA OBLIQUE

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12
Q
  • Best demonstrate
    fractures/dislocations
    of the distal, middle and
    proximal phalanges and
    distal metacarpals.
  • Hand & forearm in same
    horizontal direction as
    film
  • Flex elbow
A

LATERAL

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13
Q

recommended when
there is a suspected
joint injury.

A

AP PROJECTION

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14
Q
  • CR perpendicular to the
    3rd MCP joint
  • 1 inch or 2.5 cm of distal
    forearm should be
    included in the
    radiograph.
  • Flex elbow 90°.
A

HAND PA PROJECTION

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15
Q
  • CR perpendicular to 3rd
    MCP joint
  • Flex elbow 90°.
  • Pronate hand.
A

HAND PA OBLIQUE

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16
Q
  • Flex elbow 90°
  • Hand in lateral position
    with the ulnar aspect
    down (lateromedial)
    against the IR.
  • Palmar surface
    perpendicular to IR
A

EXTENSION

17
Q
  • demonstrate
    anteroposterior
    displacements of
    fractures of
    metacarpals
  • Flex elbow 90°
  • Maintain the natural arch of the hand, arrange the digits so that they are perfectly
    superimposed.
  • Flex fingers into a natural
    flexed position with thumb
    slightly touching the 1st
    finger.
  • Thumb should be parallel
    to film
  • Fingers are
    superimposed with the
    entire hand in a true
    lateral position.
A

FLEXION

18
Q
  • useful
    for diagnosing possible
    trauma to the digits
  • Align long axis of hand to
    long axis of film
  • Rotate hand and wrist
    into a lateral position
    with the thumb side up
    (ulnar side down).
  • Spread fingers and thumb
    into a fan position.
  • Thumb should be
    projecting away from
    the palm and parallel to
    the film.
A

FAN LATERAL

19
Q
  • Best demonstrate
    anterior or posterior
    displacements of bony
    structures.
A

HAND LATERAL

20
Q

small bony growth
occurring on dorsal
surface of the 3rd
metacarpocarpal joint

A

CARPE BOSSU OR CARPAL BOSS

21
Q

best demonstrate the
carpal boss.

A

lateral with the
wrist in palmar flexion

22
Q
  • Semi-or half supinated
    both hand at 45 degrees
  • Cupped as if the patient
    were going to catch a
    ball
  • Best demonstrate
    fractures at the base of
    the 5th metacarpal.
  • Best demonstrate early
    evidence of rheumatoid
    arthritis.
A

NORGAARD
BALL CATCHERS POSITION

23
Q

Used to demonstrate
bony erosion of MC
heads & phalangeal
bases of finger.

A

HAND AP AXIAL
BREWERTON METHOD

positioning (13 decks)

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