Page 95 - A Practical Guide to Equine Radiography

76 A PRACTICAL GUIDE TO EQUINE RADIOGRAPHY

Dorso 45º medial-palmarolateral perpendicular to the X-ray beam on the
VetBooks.ir oblique (D45M-PaLO) or palmaro 45º − Pa45L-DMO: the X-ray machine is posi-
palmarolateral side of the leg.
lateral-dorsomedial oblique
(Pa45L-DMO) (Figs 8.13–8.16) tioned on the palmarolateral side of
1. Stand the horse square with the cannon the joint, at a 45-degree angle from the
bone vertical to the ground in each direc- sagittal plane of the limb. The plate is
tion and ensure that all limbs are equally perpendicular to the X-ray beam on the
weight-bearing. dorsomedial side of the leg.
2. Place the plate in portrait orientation with
a R/L marker on its lateral side. 3. Focus–film distance: 100 cm.
4. Use a horizontal X-ray beam.
− D45M-PaLO: the X-ray machine is posi- 5. Centre the X-ray beam at the level of the
tioned on the dorsomedial side of the mid carpal joint.
joint, at a 45-degree angle from the 6. Collimate around the carpus.
sagittal plane of the limb. The plate is 7. Exposure guide: 70 kVp, 10 mAs.

A B

C D

Figure 8.13 Diagram and positioning of D45M-PaLO (A and B) and Pa45L-DMO (C and D) views of the carpus.

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