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Monday 22 October 2012

Toes (second to fifth) Study



AP Projection



  1. The patient is seated or placed supine on the table;
  2. Flex the knee;
  3. sole of the foot in IP;
  4. The contralateral limb in extension.

Central ray perpendicular through the third metatarsophalangeal joint.


Evaluation criteria:

  • No rotation of phalanges;
  • Toes separated from each other;
  • Distal ends of the metatarsals;
  • Appropriate exposure values (visualization of the all bony trabeculation and soft tissue).

 


AP Oblique Projection


  1. The patient is seated or placed supine on the table;
  2. Flex the knee and rest the sole of the foot on the IP;
  3. Medial rotation of the leg and the foot 45º.

Central ray perpendicular through the third metatarsophalangeal joint.


Evaluation Criteria:
  • Visualization of all phalanges;
  • Oblique toes and separate from each other;
  • Open interphalangeal and second through fifth metatarsophalangeal joint  space;
  • The first metatarsophalangeal joint isn’t always open;
  • Appropriate exposure values (visualization of the all bony trabeculation and soft tissue).

 

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