Hand (ball-catcher view)
Updates to Article Attributes
Body
was changed:
The Nørgaard projection is also known as ball-catcher view or posterior oblique view of both hands. It is an additional projection of the routine hand series. The ball catcher-catcher view is often done to investigate signs of rheumatoid arthritis.
Patient position
- patient may be seated alongside or facing the table
- both hands are supinated with their dorsal surfaces are placed on the cassette/FPDs
- the hands are then rotated medially by 45 degrees to assume a position likened to one about to receive or catch a ball
Technical factors
- anterior bilateral projection
-
centring point
- between the two hands at the level of the metacarpophalangeal joints
-
collimation
- laterally to the skin margins
- distal to the skin margins of the finger tips
- proximal to the include one-third of the distal radius and ulna
-
orientation
- landscape
-
detector size
- 24 cm x 30 cm
-
exposure
- 50-60 kVp
- 3-5 mAs
-
SID
- 100 cm
-
grid
- no
Image technical evaluation
- no overlap of the midshafts of the metacarpals, nor is there overlap of the phalange bases.
- hands are equal distance apart.
Practical points
If the shafts of the metacarpals are overlapping you have over obliqued the hands and need to shallow out the angle, it's best to use two 45 degree sponges to help, rest the posterior aspects of the hands on the sponges so the resemble a 'catching hand'.
-<p>The <strong>Nørgaard projection</strong> is also known as <strong>ball-catcher view</strong> or posterior oblique view of both hands. It is an additional projection of the routine <a href="/articles/hand-series">hand series</a>. The ball catcher view is often done to investigate signs of <a href="/articles/rheumatoid-arthritis">rheumatoid arthritis</a>. </p><h4>Patient position</h4><ul>- +<p>The <strong>Nørgaard projection</strong> is also known as <strong>ball-catcher view</strong> or posterior oblique view of both hands. It is an additional projection of the routine <a href="/articles/hand-series">hand series</a>. The ball-catcher view is often done to investigate signs of <a href="/articles/rheumatoid-arthritis">rheumatoid arthritis</a>. </p><h4>Patient position</h4><ul>