#orthoImaging

Uptake pattern in the osteotomy gap. (A) On postoperative Day 1, showing increased signal around the medial gap, but faint lateral hinge; (B) at 3 months postoperatively, showing increased signal on the hinge side; (C) at 1 year postoperatively, showing decreased signal on the hinge side and increased signal on the medial opening gap; (D) at 2 years postoperatively, showing decreased but remaining signal on the medial opening gap. SPECT/CT, combined single-photon emission computed tomography with conventional computed tomography.

Medial open-wedge high tibial osteotomy is used to improve limb alignment and joint loading. Jae Woo Cho & coauthors performed a serial quantitative evaluation of the unloading effect in post-operative knees for up to 2 years: onlinelibrary.wiley.com/doi/10.1002/... #orthoImaging

Figure showing radiographs of different body parts such as legs and arm/shoulders. There are colored regions highlighting where the model identified enchondromas.

Enchondromas (benign cartilage tumors) can be tough to distinguish from other pathology. Şafak Şimşek & coauthors developed a deep-learning approach for enchondroma detection on x-ray, & present their work in @orssociety.bsky.social 's J Orthop Res: https://buff.ly/4iS7d1T #ORSSMC #OrthoImaging

Figure showing how the authors segmented the knee cartilage into subregions. They divided the cartilage based on angles around the femoral condyle and then further divided the regions into lateral, medial, and central thirds.

Knee cartilage shows changes in #MRI T2 mapping after ACL injury/reconstruction. Koji Nukuto & coauthors evaluated T2 mapping reliability and focal changes after anatomic ACLR. Read their work in @orssociety.bsky.social Journal of Orthopaedic Research: https://buff.ly/4glAJeB #ORSSMC #orthoImaging

Quantitative maps displaying mean T1ρ, T2 and cartilage thickness values within the evaluated subregions for the baseline (top row) and loaded (middle row) scanning configurations.

How do MRI measures of cartilage geometry and tissue characteristics change under loading? Erin Argentieri & coauthors present their findings in @orssociety.bsky.social 's Journal of Orthopaedic Research: https://buff.ly/3B8XQtL #orthoImaging #ORSSMC

Point wise difference in surface geometry of the reconstructed femoral mode 3. Heat map indicates the extent of local anatomy variation in relation to increasing age.

Osteoarthritis (OA) is known to cause changes in bone shape. Katherine Nguyen & coauthors found that CT-based shape modelling reveals age-related bone shape changes even in knees without OA. Read (open access) in the Journal of Orthopaedic Research: https://buff.ly/4i1wJ46 #ORSSMC #orthoImaging

Ali Raza & coauthors found that three-dimensional collagen fiber patterning in the annulus fibrosus, which is important for understanding of disc mechanics, can be derived from vertebral endplate topography. Read their work in (open access) JOR Spine: https://buff.ly/4fErc1L #ORSSMC #orthoImaging

The process for grouped comparison of measurements: Relative cross-sectional area and fat infiltration of paraspinal muscles are shown using manual and automated processing, which are then compared.

Lumbar disc herniation patients often have paraspinal muscle atrophy and fatty infiltration. Yefu Xu & coauthors developed a model to automate analysis of muscle volume and fat infiltration from #MRI to better assess these changes: https://buff.ly/3VpTXHN #ORSSMC #orthoImaging

Erick O. Buko & coauthors looked at the ability of T2 and T1rho quantitative MRI to detect early metaphyseal changes in a piglet model of Legg-Calvé-Perthes disease. Read about their findings in @JOrthopRes: https://buff.ly/3B6UuGU #ORSSMC #orthoImaging

Lego MRI scanner with two people working at the console and one person in the scanner room standing up on the scanner bed, smiling and looking into the control room. There are miniature ankle MR images up on the little Lego computer screen.

Coworker had to borrow my laptop for half an hour since his died mid-experiment, does playing with our Lego MRI set while I wait for it back count as work? #MRI #orthoimaging