Dowd Kamper (woolmaple5)

For PET2.SUVmax's performances, Se, Sp, PPV and NPV were respectively 67% (CI95% 48-81%), 77% (CI95% 64-97%), 67% (CI95% 48-82%), 77% (CI95% 64-87%). ROC curves for these predictors were similar; the areas under the curve were 0.6 (CI95% 0.56-0.64) for PET2.SUVmax and 0.55 (CI95% 0.50-0.59) for CGFL/Curie nomogram. Combined prediction was efficient with Se at 80%, VPN at 76%, Sp at 78% and VPP at 81 %. Conclusions CGFL/Curie nomogram and PET2.SUVmax were two efficient predictors of pCR in patients with HER2-positive breast cancer. Combined prediction has an improved accuracy. BACKGROUND CONTEXT Anterior cervical discectomy with an interbody cage (ACDF) to obtain fusion is a common procedure in cervical spine surgery. Presently, PEEK with (auto)graft is frequently used for interbody fusion although alternative implant technology like 3-D printing titanium has been introduced recently. PURPOSE Reporting the clinical and quantitative radiological outcome of a prospective cohort of 3-D printed porous titanium implants. STUDY DESIGN/SETTING Prospective study of patients with single level ACDF using 3-D printed porous titanium cervical implants. These data were compared to 48 patients from the PEEK with autograft group of the previously performed CASCADE trial. PATIENT SAMPLE 49 patients were included. OUTCOME MEASURES NDI, VAS, self-reported perceived recovery, and fusion status. METHODS The clinical outcomes and fusion rates were documented at 3, 6, and 12 months. Dynamic X-rays were analyzed to determine range of motion (RoM) of the operated level. Fusion was defined as rotation ≤ 4° and ≤ 1.25 mm translation on flexion-extension films. RESULTS The mean NDI improved from 41.2 preoperatively to 19.4 at 12 months postoperatively. Both VAS arm and VAS neck improved significantly after surgery and 77.1% of the patients reported complete or nearly complete recovery at 12 months. The mean RoM of the affected disc level decreased from 8.7° (range 2.6 - 21.4) before surgery to 1.6° (0.0 - 4.6°) after 12 months. The fusion rate at 3, 6 and 12 months was 84%, 89%, and 91% respectively, compared to 67%, 72%, and 90%, in the PEEK group. CONCLUSIONS 3-D printed porous titanium cervical implants resulted in significant clinical improvement after surgery. The fusion rate of porous titanium compared to PEEK with autograft at 12 months was similar, although porous titanium resulted in faster consolidation. In addition, one level anterior cervical fusion can be successfully achieved without additional plating. OBJECTIVE The purposes of this study were to investigate 1) the effect of placement of region-of-interest (ROI) for texture analysis of subchondral bone in knee radiographs, and 2) the ability of several texture descriptors to distinguish between the knees with and without radiographic osteoarthritis (OA). DESIGN Bilateral posterior-anterior knee radiographs were analyzed from the baseline of Osteoarthritis Initiative (OAI) (9012 knee radiographs) and Multicenter Osteoarthritis Study (MOST) (3,644 knee radiographs) datasets. A fully automatic method to locate the most informative region from subchondral bone using adaptive segmentation was developed. Subsequently, we built logistic regression models to identify and compare the performances of several texture descriptors and each ROI placement method using 5-fold cross validation. Importantly, we also investigated the generalizability of our approach by training the models on OAI and testing them on MOST dataset. Veliparib inhibitor We used area under the receiver operating characteristic (ROC) curve (AUC) and average precision (AP) obtained from the precision-recall (PR) curve to compare the results. RESULTS We found that the adaptive ROI improves the classification performance (OA vs non-OA) over the commonly-used standard ROI (up to 9% percent increase in AUC). We also observed that, from all texture parameters, Local Binary Pattern (LBP) yielded the best performance in all settings wi