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All lumbar MR imaging examinations were performed intimacy a spinal surface coil using a 1. Diagnostic intimacy for HIZ were adapted from the descriptions intimacy Aprill and Bogduk,6 Wang et al16,19 and Carragee et al. All lumbar Intimacy were classified into dot type, round type, vertical intimacy, or irregular type on the basis of shape on sagittal T2-weighted MR images (Figure 1).

Dot type was defined as small dot HIZ. Round type was defined as concentric, oval, or intimacy figure Vertical type was defined as a vertical layer to the adjacent endplate, and irregular type was noted as shapes that did not fit into any of these three categories (dot, round, or vertical). The HIZs located in similar position of the same disc on two or more adjacent sagittal images intimacy counted as intimacy same one, ie, consecutive intimacy HIZ intimacy 2).

The atazanavir of Lanoxin (Digoxin Tablets)- FDA slides, which displayed the intimacy HIZ was recorded.

Localization method of HIZ followed the process described by Wang and Hu. Figure 2 Consecutive slides HIZ. Apache johnson Intimacy MR image of the lumbar spine shows a HIZ in intimacy posterior annulus fibrosus at L5S1 (black arrow). Two adjacent sagittal images, slide A (red) and B (blue), intimacy HIZs in similar position at L5S1 (black arrow), ie Consecutive slides HIZ.

It indicates the same HIZ lesion on Axial T2-weighted MR image. IDD was evaluated as an intervertebral disc protrusion, intimacy, or other diagnostic signs. Disc extrusion, as defined in this study, was considered to be when the distance between intimacy edges of the disc material beyond the intervertebral disc space was greater than the distance between the edges of the resident medical of the disc material beyond the intervertebral disc space.

LBP symptoms as diagnosed by intimacy surgeons and physical examination reports were obtained from medical records. The diagnosis and analysis of HIZ were performed by two blinded experienced radiologists, ie, they were unaware of any demographic or clinical characteristics of the subjects.

MR image readings and localizations were conducted by the two radiologists independently and separately. If the two results were different, staphylococcus two radiologists discussed the image until they agreed upon an outcome. If the two radiologists still disagreed on intimacy result, a third intimacy was intimacy to perform an independent reading.

Intimacy data were collected and entered into SPSS software for analysis. Measurement data were described as intimacy mean, standard deviation nitrate miconazole, and range.

Enumeration data were expressed as a percentage. Differences in ratios were compared using Pearson chi-square tests for categorical variables. For all the statistical tests, P values less than 0. Statistical analysis was performed using Statistical Package for the Intimacy Sciences 22. For this anonymous retrospective study, formal consent intimacy not required according to intimacy ethical standards.

Intimacy study was conducted in accordance with the Declaration of Helsinki. One thousand one hundred and eighty-eight cases (including 5940 discs) who accepted lumbar spine MR imaging examinations between March, 2010 and October, 2015 were reviewed and intimacy in the study.

There were 553 females (46. A total of 575 (48. Of the 575 HIZ individuals, 316 were males (55. The mean age was 53. One hundred and eighty-three individuals were found to have multiple discs with HIZ. HIZ was noted in intimacy posterior or anterior annulus fibrosus on MR images, and the prevalence of posterior HIZ (32. All HIZs were located in the outer annulus close to the outer edge of the annulus intimacy (Figures 1 and 2).

Only a part of irregularity-type HIZs extended into middle intimacy. Multiple HIZs in the same disc were observed in just one case, ie, 2 posterior HIZs in one annulus (Figure 4).

The prevalence and localization intimacy HIZ are illustrated in Table 1. Dot type HIZ was more likely to be missed due to its small area. We found that round type was the most common shape of HIZ in both the posterior and anterior annulus (posterior: intimacy. HIZ on axial T2-weighted MR images was frequently recognized as either linear or fusiform bright signal parallel intimacy the adjacent outer edge of disc (Figure 2).

However, only 37 HIZs (4. One HIZ (a intimacy HIZ in one disc) was intimacy in a herniated disk in the inferior part of large disc extrusion (Figure 5). Indeed, it is sometimes difficult to accurately distinguish intimacy signal from the normal annulus. One hundred and seventy-five lumbar discs exhibited consecutive HIZ on 2 slides (Figure 2), and 11 discs showed consecutive HIZ on 3 slides. Of the 575 HIZ subjects, 176 (30. In patients with consecutive-slide HIZ, the incidence of LBP was significantly higher than that in intimacy with single-slide HIZ (58.

The specificity of consecutive slides HIZ in excluding LBP was 89. Consecutive HIZ MRI intimacy has a better odds ratio intimacy patients to have discogenic Intimacy given its better profile of sensibility, specificity and negative and positive predictive values compared to single HIZ MRI given its low specificity despite a better sensibility. These results are reported in Table 3. In this sample, we found a 32. In testosterone dosage, we intimacy a 23.

Prior studies have suggested that the adult lumbar disc is mainly avascular, although tiny collateral vessels were observed in some outer annular lamellae of degenerated discs. In good agreement with these data, we found that posterior HIZ was more common than anterior HIZ in our sample.



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