PMC4629575_01
Lateral chest radiographs. (a) Shows two small rounded soft tissue opacities in the lung fields (black arrows) at first presentation. (b) Shows a more diffuse nodular interstitial pattern, with nodules of different sizes consistent with metastases at third presentation. Increased in size of nodules seen in image a (black arrow).
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F1
The two pulmonary nodules that were seen in previous examination were similar in size (Fig. 1a). Previous pulmonary nodules had mildly increased in size to 2 and 1.6 cm and a few small new nodules were present as well (Fig. 1b).
Caudal abdominal radiographs at first (a) and 3rd examination (b). (a) Soft tissue opacity ventral to lumbar vertebrae 6 and 7 displacing the colon ventrally consistent with moderate sublumbar lymph node enlargement. (b) Large multilobulated soft tissue opacity ventral to L6, L7, displacing the colon ventrally, and concurrent moth eaten lysis and new bone at L6 and L6-L7 (black arrow), consistent with lymph node and vertebral metastases.
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F2
No other abdominal abnormalities were found (Fig. 2a and b).
(a) Medio-lateral view of the right hock shows marked soft tissue swelling, lamellar periosteal reaction on distal tibia, dorsal and plantar aspect of the tuber calcis and dorsally on the metatarsal bones. (b) Medio-lateral view of the left antebrachium shows marked soft tissue swelling, diffuse lamellar periosteal reaction on the cranial aspect of the radius and lamellar and palisading periosteal reaction on the distal ulna diaphysis.
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F3
Radiographs of the distal long bones had a palisading periosteal reaction, with the typical appearance of HO (Fig. 3a and b).