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Primary pyogenic infection of sacroiliac joint.
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Inter- and intraexaminer reliability of palpation for sacroiliac joint dysfunction.
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[The case of the month. Post-traumatic trapping of the small intestine in the left sacroiliac joint].
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[Description of a case of pure incomplete dislocation of the sacroiliac joint (case contribution)].
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Fracture dislocation of sacroiliac joints and the symphysis pubis--evidence deposition of plaintiff's orthopedic surgeon.
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[A ROENTGENOLOGICAL EARLY SYMPTOM OF BECHTEREW'S DISEASE IN THE SACROILIAC JOINT (PSEUDODILATATION BY SPONGIOSA ABSORPTION)].
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Dense bone around the sacroiliac joint: a radiological review of the differential diagnosis.
Solitary osteosclerotic bone lesions around the sacroiliac (SI) joints are described as seen on plain radiographs or conventional tomography, with the descriptive attributes ranging from round to ovoid over square and triangular to multiform. The etiology of the solitary osteosclerotic lesions around the SI joint can often be concluded from the radiographic appearance, sometimes complemented by the presentation on CT and/or scintigraphy.
[Radiologic observations on the sacroiliac joints in patients with rheumatoid arthritis].
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[Involvement of sacroiliac joints in so-called Reiter's syndrome].
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[Radiological aspects of the sacroiliac joint in 100 cases of chronic primary polyarthritis].
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The sacroiliac joints: evaluation using nuclear scintigraphy. Part 1: The normal horse.
REASONS FOR PERFORMING STUDY: Sacroiliac (SI) disease is recognised as a cause of poor hindlimb action but differential diagnosis is often difficult. HYPOTHESES: That in clinically normal horses there would be a significant difference in the ratio of radiopharmaceutical uptake (RU) between the fifth lumbar vertebra (L5) and each tuber sacrale (TS) and between L5 and each SI joint; and that these ratios would alter with age, but ratios would be bilaterally symmetrical. METHODS: Dorsal scintigraphic images of the SI region of 15 horses, selected randomly from the clinic database, were analysed by 2 of the authors, comparing noncorrected and motion-corrected images. To determine scintigraphic anatomy, the scintigraphic images of 10 Thoroughbred horses were superimposed over a ventrodorsal radiographic image of an isolated pelvis. Dorsal scintigraphic images of 40 clinically normal horses age 3-16 years were evaluated using subjective examination, profile analysis and quantification using regions of interest. RESULTS: The tubera sacrale were seen as 2 well-defined oval regions immediately to the left and right of the midline, abaxial to which were larger, approximately oval areas with less RU, representing uptake in the SI joints. The definition between the SI region and the TS was more obvious in younger horses. Nonmotion-corrected images were often not of diagnostic quality or could be misinterpreted as abnormal. There were significant differences in RU between the TS and SI joints compared to L5, and decreased RU in the tubera sacrale with increasing age, but no change of uptake in the SI joint region and no effect of gender on RU. There was a high degree of left-right symmetry of the TS and SI joint regions. CONCLUSIONS AND POTENTIAL RELEVANCE: The scintigraphic images of horses with suspected sacroiliac joint disease should be compared with images of normal horses of comparable age. In normal horses, there was a high degree of symmetry; therefore, marked left-right asymmetry is likely to be abnormal.
Scoring sacroiliac joints by magnetic resonance imaging. A multiple-reader reliability experiment.
Magnetic resonance imaging (MRI) of the sacroiliac (SI) joints and the spine is increasingly important in the assessment of inflammatory activity and structural damage in clinical trials with patients with ankylosing spondylitis (AS). We investigated inter-reader reliability and sensitivity to change of several scoring systems to assess disease activity and change in disease activity in patients with AS. Twenty sets of consecutive MRI, derived from a randomized clinical trial comparing an active drug with placebo and selected on the basis of the presence of activity at baseline, were presented electronically to 7 experienced readers from different countries (Europe, Canada). Readers scored the MRI by 3 different methods including: a global score (grading activity per SI joint); a more comprehensive global score (grading activity per SI joint per quadrant); and a detailed scoring system [Spondyloarthritis Research Consortium of Canada (SPARCC) scoring system], which scores 6 images, divided into quadrants, with additional scores for "depth" and "intensity." A fourth and a fifth scoring system were constructed afterwards. The fourth method included the SPARCC score minus the additional scores for "depth" and "intensity," and the fifth method included the SPARCC slice with the maximum score. Inter-reader reliability was investigated by calculating intraclass correlation coefficients (ICC) for all readers together and for all possible reader pairs. Sensitivity to change was investigated by calculating standardized response means (SRM) on change scores that were made positive. Overall inter-reader ICC per method were between 0.47 and 0.58 for scoring status, and between 0.40 and 0.53 for scoring change. ICC per possible reader pairs showed much more fluctuation per method, with lowest observed values close to zero (no agreement) and highest observed values over 0.80 (excellent agreement). In general, agreement of status scores was somewhat better than agreement of change scores, and agreement of the comprehensive SPARCC scoring system was somewhat better than agreement of the more condensed systems. Sensitivity to change differed per reader, but in general was somewhat better for the comprehensive SPARCC system. This experiment under "real life," far from optimal conditions demonstrates the feasibility of scoring exercises for method comparison, provides evidence for the reliability and sensitivity to change of scoring systems to be used in assessing activity of SI joints in clinical trials, and sets the conditions for further validation research in this field.
[Involvement of the sacroiliac joints in evolutive rheumatism; chronic progressive inflammatory rheumatism, rheumatoid arthritis, etc].
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Quantitative sacroiliac joint scintigraphy in normal subjects and patients with sacroiliitis.
The aim of this study is to determine the sacroiliac index (SII) of healthy subjects and to compare these values with patients having sacroiliitis (SI). Quantitative sacroiliac scintigraphy (QSS) was performed with Tc-99m hydroxy methylene diphosphonate (HMDP) and whole sacroiliac joint-to-sacrum ratio was calculated as a SII by the region of interest (ROI) method. Forty-seven nonarthritic healthy subjects and 13 patients with SI were studied. Effects of aging, gender and laterality on SII were evaluated in 47 healthy subjects. The sacroiliac index was higher in men than women (p < 0.05). SII did not change significantly in aged men, but it decreased significantly in aged women (p < 0.05). Eleven of 13 patients with SI had a higher SII than healthy subjects (> mean + 2SD). In the other two cases by using small ROIs, SIIs were found to be higher than the normal range. Our results suggest that QSS is a sensitive method for the diagnosis of early stage SI and every institution should establish its own normal SII.
[Radical lumboischialgias in diseases of the sacroiliac joint].
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Computerized tomographic localization of clinically-guided sacroiliac joint injections.
OBJECTIVE: The goal of this study was to use computed tomographic (CT) scanning to localize clinically guided sacroiliac (SI) joint injections and identify other structures affected by this procedure. DESIGN: A prospective, double-blind, correlational outcome study design was used. Injection of 39 SI joints with a mixture of bupivacaine (0.25%), methylprednisolone (40 mg), and iohexol (Omnipaque; 180 mg/dl) using a clinically guided technique, (i.e., no image guidance) was performed. Patients had CT scans obtained both immediately after needle placement and after contrast injection. Neither the patients nor their clinicians were aware of the CT findings at the time of injection. SETTING: Academic multidisciplinary pain center. PATIENTS: Patients with SI disease by clinical criteria. RESULTS: Intra-articular injection was accomplished in 8 of 37 (22%) patients. Injected material was identified within 1 cm of the joint 68% of the time. Epidural (spinal canal) injected material was seen 24% of the time. CONCLUSIONS: The low rate of intra-articular injection seen with this clinically-guided technique suggests restraint in its use for injection therapy. Some image guidance (e.g., fluoroscopy, CT) is probably necessary to reliably inject the SI joint. Perhaps in clinical settings, where image guidance is not readily available, a clinically-guided technique could initially be tried in patients at low risk for complications from such injections. This study also provides an anatomic explanation for the occasional weakness observed after SI joint injection.