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23 lis 2022 · First, the use of T1 Dixon and T2 Dixon imaging as a part of the armamentarium of morphological MRI sequences allows the ability to detect changes in signal intensity, especially at subchondral bone that suggest active or chronic sacroiliitis.
9 mar 2024 · We present a summary of practice recommendations for imaging of sacroiliitis, including several new imaging techniques. Key Points • MRI is the modality of choice for suspected inflammatory sacroiliitis, including a joint-line-specific sequence for optimal evaluation of the bone-cartilage interface to improve detection of erosions.
This review outlines the imaging approach to sacroiliitis, emphasizing the imaging protocols, diagnostic criteria, limitations and potential mimics of MRI examination. The value of imaging-guided intervention in sacroiliac joint disease is also briefly outlined.
6 sie 2024 · ment of sacroiliitis and its differential diagnoses (table 1). The requirements for the four-sequence protocol are as follows: (A) Consistent orientation of the sequences necessitates that they be performed orthogonal to a consistently present and clearly identifiable part of the sacrum. It is recommended that
PD) yet long enough to be more fluid sensitive (like a T2) For STIR sequence, TI (inversion time) should be 140-150 at 1.5T. Patient in supine position as straight as possible. Coronal obliques parallel to sacral body, cover bone only. include L3/L4 disc space at top of FOV to bottom of coccyx.
We present a summary of practice recommendations for imaging of sacroiliitis, including several new imaging techniques. KEY POINTS: • MRI is the modality of choice for suspected inflammatory sacroiliitis, including a joint-line-specific sequence for optimal evaluation of the bone-cartilage interface to improve detection of erosions.
6 sie 2024 · A standardised IAP for SIJ MRI for diagnostic ascertainment of sacroiliitis is recommended and should be composed of at least four sequences that include imaging in two planes and optimally visualise inflammation, structural damage and the bone-cartilage interface.
