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Table 5 X-ray and CT imaging OA severity

From: Establishment of an image evaluation grading criteria for experimental stifle joint osteoarthritis in dogs: an X-ray and CT imaging study

OA severity

Description

0

No radiographic features of osteoarthritis

1

Doubtful opacity in infrapatellar fat pad and possible osteophytic lipping

2

Definite osteophytes and mild opacity in infrapatellar fat pad

3

Multiple osteophytes, moderate opacity in infrapatellar fat pad

4

Large osteophytes, severe opacity in infrapatellar fat pad

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Laboratory Animal Research

ISSN: 2233-7660