Small Animal Radiology and Ultrasound: A Diagnostic Atlas and Text

574 Small Animal Radiolo g y and Ultrasono graphy
Fig. 4-125 A 6-month-old male Alaskan Malamute with mild
intermittent lameness and slight lateral angulation of the foot.
There is an inverted radiolucent core in the distal ulna (arrows).
Slight lateral angulation of the foot is present. Diagnosis:
Retained cartilage core.
Fig. 4-126 Retained cartilage cores.
A and B, A 9-month-old male
Mastiff with left front limb lameness
of 2 weeks duration. Radiographic
findings include radiolucent conelike
areas in the radial and ulnar
metaphyses and granular bony proliferation
in the distal left humeral
metaphysis. Diagnosis: Retained
cartilage cores and panosteitis.
Continued
A
patterns of metaphyseal bone density may persist after maturity. The condition usually
affects both limbs in a similar manner.
Miscellaneous Elbow Conditions. In addition to the conditions described above, there are
a few other conditions that occur occasionally. These include incomplete ossification of the
humeral condyles (seen in spaniel breeds); congenital elbow luxation; dysplasia, avulsion,
and ununited medial epicondyle of the humerus; and confusing sesamoid bones. 570-581
The incomplete ossification of the humeral condyles predisposes to intercondylar fracture
in adult dogs (Fig. 4-127). The dysplastic, avulsed, and ununited medial epicondyle of the