Imaging of the sacroiliac joint involvement in seronegative spondylarthropathies
Guglielmi G et al. – Review introduces the clinical and radiological aspects of the sacroiliac joints (SIJ) involvement in spondylarthropathies (SpA), particularly the contribution of the different imaging techniques. The concluding points are as follows:- The radiological study of SIJ in pts with seronegative SpA represents a problem in terms of clinical as well as diagnostic imaging evaluation.
- This is attributed to both for the complexity of this anatomic region and for the variability of clinical and radiological findings.
- The integrated use of different imaging techniques such as conventional radiography, CT, MRI, US, and bone scintigraphy is suggested to avoid misdiagnosis.
- Although CT is superior to MRI in the recognition of bony changes, on the other hand, an early detection of inflammatory lesions of the SIJ is possible by MRI.
- MRI should be the technique of choice for the follow-up because of the lack of ionizing radiation exposure.
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