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Copyright ©2009 The WJG Press and Baishideng.
World J Gastroenterol. May 28, 2009; 15(20): 2449-2455
Published online May 28, 2009. doi: 10.3748/wjg.15.2449
Table 4 Radiologic criteria for staging of inflammatory changes related to sacroiliitis[7]
Sacro-iliac joints
Grade 0Normal
Grade 1Suspicious changes
Grade 2Minimal abnormality-small localized areas with erosions or sclerosis without alterations in joint width
Grade 3Unequivocal abnormality-moderate or advanced sacro-iliitis with one or more of the following: erosions, sclerosis, widening
Grade 4Severe abnormality-total ankylosis