Abstract
Radiographic features of the region of the trochanteric fossa were evaluated bilaterally on 175 ventrodorsal radiographs of canine hip joints and findings were compared to anatomic specimens. The fossa showed a variable radiographic appearance, which was affected by positioning and anatomic diversity. On a small number of radiographs (n = 12), the trochanteric fossa was clearly defined as a circular area of radiopacity surrounded by a radiolucent halo. This appearance was significantly influenced by medial rotation of the femur (P < 0.001). On some anatomic specimens an irregular protuberance representing the site of attachment of the gemelli, internal and external obturator muscles was seen within the fossa, surrounded by a variable number of small openings, which were thought to be nutrient foramina. Dissection identified a small number of minor branches of the medial circumflex femoral artery entering these.
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Schedule a callMore From: Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association
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