Page 60 - A Practical Guide to Equine Radiography
P. 60
VetBooks.ir CHAPTER 6
Fetlock
Indications Preparation
Fetlock diseases are a common cause of lame- If necessary, brush or wash the area to reduce
ness in the horse and therefore radiography of artefacts caused by dirt. Sedation of the patient
this region is a routine procedure performed in is advised. In heavily feathered horses it is advis-
equine practice. able to wet the area down, braid the feathers or
Indications for performing radiographs of bandage it (bearing in mind that this may cause
the fetlock include: artefacts).
• Lameness localized to the fetlock by diagnos-
tic analgesia (low four-point nerve block or Radiographic protocol
fetlock joint block) A standard radiographic examination of the
• Positive flexion test fetlock includes four projections:
• Soft tissue swellings, including effusion of
the fetlock joint and digital flexor tendon • Lateromedial (LM)
sheath • Dorsopalmar (DPa)
• Signs of trauma, including wounds and • Dorso 45º lateral-palmaromedial oblique
swellings (D45L-PaMO) and dorso 45º medial-
• As part of a pre-purchase or pre-sales palmarolateral oblique (D45M-PaLO).
examination.
Additional projections:
Equipment • Flexed lateromedial (flexed LM)
For a complete study of the fetlock the follow- • Dorsoproximal-dorsodistal oblique (DPr-
ing equipment is required: DDiO)
• Palmaroproximal-palmarodistal oblique
• Portable X-ray machine (PaPr-PaDiO)
• Tunnel and Hickman blocks • Proximo 45º lateral-distomedial oblique
• Plate holder (Pr45L-DiMO) and proximo 45º medial-
• Radiation safety equipment: lead gowns, distolateral oblique (Pr45M-DiLO)
lead gloves and thyroid protectors. • Dorso 45º proximo 45º lateral-palmaro-
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