Hand (bilateral PA view)
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At the time the article was created Aditya Shetty had no recorded disclosures.View Aditya Shetty's current disclosures
At the time the article was last revised Andrew Murphy had no financial relationships to ineligible companies to disclose.View Andrew Murphy's current disclosures
The bilateral PA view is merely a single film that includes both hands, side by side.
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This view often complements the ball-catcher view and is performed almost exclusively to examine for evidence of rheumatological disorders (e.g. rheumatoid arthritis, osteoarthritis, psoriatic arthritis etc.). It allows symmetry and distribution to be assessed easily without having to switch between images or account for slight differences in positioning.
- patient may be seated alongside or facing the table
- both hands are pronated with their palmer surfaces placed on the detector
- posterior-anterior bilateral projection
- between the two hands at the level of the metacarpophalangeal joints
- 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
- 24 cm x 30 cm
- 50-60 kVp
- 3-5 mAs
- 100 cm
Image technical evaluation
There is neither overlap of the midshafts of the metacarpals nor is there overlap of the phalange bases.
Hands are equal distance apart.
The projection should appear to mimic that of a PA hand
The hand is not a technically challenging radiograph, always ensure the fingers are equal distance apart and the detector is high enough to avoid overlap at the wrist.
Always include the wrist joint on your PA radiograph, patients may have referred pain from pathology other than the hand.
- 1. Whitley AS, Sloane C, Hoadley G et-al. Clark's positioning in radiography. Hodder Arnold Publication. ISBN:0340763906. Read it at Google Books - Find it at Amazon