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  1. Article ; Online: The "silver dollar" or "coin-on-end" vertebra sign.

    Roller, Brandon L / Dyer, Raymond B

    Abdominal radiology (New York)

    2019  Volume 45, Issue 1, Page(s) 247–248

    MeSH term(s) Humans ; Imaging, Three-Dimensional ; Radiography, Abdominal/methods ; Spinal Diseases/diagnostic imaging ; Spinal Diseases/pathology ; Spine/diagnostic imaging ; Spine/pathology ; Tomography, X-Ray Computed/methods
    Language English
    Publishing date 2019-10-03
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 2839786-1
    ISSN 2366-0058 ; 2366-004X
    ISSN (online) 2366-0058
    ISSN 2366-004X
    DOI 10.1007/s00261-019-02244-4
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    Zs.A 1262: Show issues Location:
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  2. Article ; Online: Current Knee Imaging.

    Roller, Brandon L / Cook, James L

    The journal of knee surgery

    2017  Volume 31, Issue 2, Page(s) 117

    Language English
    Publishing date 2017-10-04
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 2075354-8
    ISSN 1938-2480 ; 1538-8506 ; 0899-7403
    ISSN (online) 1938-2480
    ISSN 1538-8506 ; 0899-7403
    DOI 10.1055/s-0037-1607220
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    Zs.A 3867: Show issues Location:
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  3. Article: Elution properties of a resorbable magnesium phosphate cement.

    Roller, Brandon L / Stoker, Aaron M / Cook, James L

    Journal of clinical orthopaedics and trauma

    2020  Volume 11, Issue Suppl 5, Page(s) S729–S734

    Abstract: Objective: This study tests the elution capabilities of a magnesium phosphate cement (MPC). Study objectives were to quantify the passive release of magnesium ions from MPC and to assess the effects of antibiotic-loaded MPC on bacterial growth and ... ...

    Abstract Objective: This study tests the elution capabilities of a magnesium phosphate cement (MPC). Study objectives were to quantify the passive release of magnesium ions from MPC and to assess the effects of antibiotic-loaded MPC on bacterial growth and osteoblast viability.
    Methods: MPC constructs were created and incubated in fetal bovine serum (FBS). At 2, 4, and 17 weeks, a sample was collected for magnesium ion concentration analysis. Control and vancomycin-loaded (vanc) MPC beads were also created. Zone of inhibition was measured after incubating beads on
    Results: Magnesium ions were eluted at 2 and 4-week time points without significant difference, but demonstrated a significant spike at the 17-week time point. Zones of inhibition for the bacterial species was observed for Vanc-MPC beads, but not control beads. No cytotoxic effects on osteoblasts were noted.
    Conclusion: MPC has potential to improve bone regeneration based on its ability to passively elute magnesium. Additionally, antibiotic-loaded MPC inhibits bacterial growth while avoiding osteoblast cytotoxicity.
    Language English
    Publishing date 2020-06-17
    Publishing country India
    Document type Journal Article
    ZDB-ID 2596956-0
    ISSN 2213-3445 ; 0976-5662
    ISSN (online) 2213-3445
    ISSN 0976-5662
    DOI 10.1016/j.jcot.2020.06.011
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  4. Article ; Online: Iliac "horns".

    Roller, Brandon L / Dyer, Raymond B

    Abdominal radiology (New York)

    2017  Volume 42, Issue 12, Page(s) 2953–2954

    MeSH term(s) Humans ; Nail-Patella Syndrome/diagnostic imaging ; Pelvic Bones/diagnostic imaging ; Radiography/methods
    Language English
    Publishing date 2017-06-14
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 2839786-1
    ISSN 2366-0058 ; 2366-004X
    ISSN (online) 2366-0058
    ISSN 2366-004X
    DOI 10.1007/s00261-017-1215-3
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  5. Article ; Online: The "manta ray" pelvis.

    Roller, Brandon L / Dyer, Raymond B

    Abdominal radiology (New York)

    2016  Volume 41, Issue 8, Page(s) 1666–1667

    MeSH term(s) Animals ; Elasmobranchii ; Humans ; Pelvis
    Language English
    Publishing date 2016-03-09
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 2839786-1
    ISSN 2366-0058 ; 2366-004X
    ISSN (online) 2366-0058
    ISSN 2366-004X
    DOI 10.1007/s00261-016-0706-y
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  6. Article: Current Knee Imaging

    Roller, Brandon L. / Cook, James L.

    The Journal of Knee Surgery

    2017  Volume 31, Issue 02, Page(s) 117–117

    Language English
    Publishing date 2017-10-04
    Publisher Thieme Medical Publishers
    Publishing place Stuttgart ; New York
    Document type Article
    ZDB-ID 2075354-8
    ISSN 1938-2480 ; 1538-8506 ; 0899-7403
    ISSN (online) 1938-2480
    ISSN 1538-8506 ; 0899-7403
    DOI 10.1055/s-0037-1607220
    Database Thieme publisher's database

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  7. Article ; Online: The "winking owl" sign.

    Roller, Brandon L / Wuertzer, Scott D / Dyer, Raymond B

    Abdominal radiology (New York)

    2016  Volume 41, Issue 3, Page(s) 582–583

    MeSH term(s) Humans ; Radiography, Abdominal ; Spinal Neoplasms/diagnostic imaging ; Spine/diagnostic imaging ; Tomography, X-Ray Computed
    Language English
    Publishing date 2016-03
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 2839786-1
    ISSN 2366-0058 ; 2366-004X
    ISSN (online) 2366-0058
    ISSN 2366-004X
    DOI 10.1007/s00261-015-0565-y
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: MRI of the Wrist: Algorithmic Approach for Evaluating Wrist Pain.

    Matthews, Greg S / Kiani, Bahram / Wuertzer, Scott D / Powell, Jason A / Roller, Brandon L / Lenchik, Leon / Torabi, Maha

    Radiographics : a review publication of the Radiological Society of North America, Inc

    2019  Volume 39, Issue 2, Page(s) 447–448

    MeSH term(s) Algorithms ; Female ; Humans ; Magnetic Resonance Imaging/methods ; Male ; Pain/diagnostic imaging ; Pain/etiology ; Wrist/diagnostic imaging ; Wrist Injuries/classification ; Wrist Injuries/complications ; Wrist Injuries/diagnostic imaging ; Wrist Joint/diagnostic imaging
    Language English
    Publishing date 2019-03-07
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 603172-9
    ISSN 1527-1323 ; 0271-5333
    ISSN (online) 1527-1323
    ISSN 0271-5333
    DOI 10.1148/rg.2019180157
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    Zs.A 1751: Show issues Location:
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  9. Article ; Online: Accurate prediction of lumbar microdecompression level with an automated MRI grading system.

    Roller, Brandon L / Boutin, Robert D / O'Gara, Tadhg J / Knio, Ziyad O / Jamaludin, Amir / Tan, Josh / Lenchik, Leon

    Skeletal radiology

    2020  Volume 50, Issue 1, Page(s) 69–78

    Abstract: Objective: Lumbar spine MRI interpretations have high variability reducing utility for surgical planning. This study evaluated a convolutional neural network (CNN) framework that generates automated MRI grading for its ability to predict the level that ... ...

    Abstract Objective: Lumbar spine MRI interpretations have high variability reducing utility for surgical planning. This study evaluated a convolutional neural network (CNN) framework that generates automated MRI grading for its ability to predict the level that was surgically decompressed.
    Materials and methods: Patients who had single-level decompression were retrospectively evaluated. Sagittal T2 images were processed by a CNN (SpineNet), which provided grading for the following: central canal stenosis, disc narrowing, disc degeneration, spondylolisthesis, upper/lower endplate morphologic changes, and upper/lower marrow changes. The grades were used to calculate an aggregate score. The variables and the aggregate score were analyzed for their ability to predict the surgical level. For each surgical level subgroup, the surgical level aggregate scores were compared with the non-surgical levels.
    Results: A total of 141 patients met the inclusion criteria (82 women, 59 men; mean age 64 years; age range 28-89 years). SpineNet did not identify central canal stenosis in 32 patients. Of the remaining 109, 96 (88%) patients had a decompression at the level of greatest stenosis. The higher stenotic grade was present only at the surgical level in 82/96 (85%) patients. The level with the highest aggregate score matched the surgical level in 103/141 (73%) patients and was unique to the surgical level in 91/103 (88%) patients. Overall, the highest aggregate score identified the surgical level in 91/141 (65%) patients. The aggregate MRI score mean was significantly higher for the L3-S1 surgical levels.
    Conclusion: A previously developed CNN framework accurately predicts the level of microdecompression for degenerative spinal stenosis in most patients.
    MeSH term(s) Adult ; Aged ; Aged, 80 and over ; Decompression, Surgical ; Female ; Humans ; Lumbar Vertebrae/diagnostic imaging ; Lumbar Vertebrae/surgery ; Magnetic Resonance Imaging ; Male ; Middle Aged ; Retrospective Studies ; Spinal Stenosis/diagnostic imaging ; Spinal Stenosis/surgery ; Spondylolisthesis/surgery
    Language English
    Publishing date 2020-07-01
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 527592-1
    ISSN 1432-2161 ; 0364-2348
    ISSN (online) 1432-2161
    ISSN 0364-2348
    DOI 10.1007/s00256-020-03505-w
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    Zs.A 1304: Show issues Location:
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  10. Article ; Online: Use of a Novel Magnesium-Based Resorbable Bone Cement for Augmenting Anchor and Tendon Fixation.

    Roller, Brandon L / Kuroki, Keiichi / Bozynski, Chantelle C / Pfeiffer, Ferris M / Cook, James L

    American journal of orthopedics (Belle Mead, N.J.)

    2018  Volume 47, Issue 2

    Abstract: The aim of this study was to assess the efficacy and safety of a novel magnesium-based resorbable bone cement (OsteoCrete, Bone Solutions Incorporated) for anchor and tendon fixation. Cadaveric humeral testing involved straight pull-to-failure of rotator ...

    Abstract The aim of this study was to assess the efficacy and safety of a novel magnesium-based resorbable bone cement (OsteoCrete, Bone Solutions Incorporated) for anchor and tendon fixation. Cadaveric humeral testing involved straight pull-to-failure of rotator cuff suture anchors; OsteoCrete was injected through one anchor, and a second anchor served as the uninjected control. Testing was conducted 15 minutes post-injection. A canine preclinical model was used to evaluate the safety of the following parameters: Rotator cuff repair: A double-row technique was used to repair transected infraspinatus tendons; OsteoCrete was injected through both anchors in one limb, and the contralateral limb served as the uninjected control. Biceps tenodesis: The transected biceps tendon was implanted into a proximal humeral socket with a transcortical button; OsteoCrete was injected into the socket of one limb, and a screw was used for final fixation in the contralateral control limb. Nondestructive biomechanical testing and histologic assessment were performed after 12 weeks. OsteoCrete-augmented anchors showed significantly higher load-to-failure compared to that with uninjected controls. In cadaveric humeri with reduced bone quality, OsteoCrete increased the mean load-to-failure by 99%. Within the preclinical model, there were no complications or statistically significant biomechanical/histologic differences between the techniques. OsteoCrete has the potential for safely providing improved suture anchor and tissue fixation in patients with poor bone or tissue quality.
    MeSH term(s) Aged ; Animals ; Bone Cements ; Dogs ; Female ; Humans ; Magnesium ; Orthopedic Procedures/methods ; Rotator Cuff/surgery ; Suture Anchors ; Tenodesis/methods
    Chemical Substances Bone Cements ; Magnesium (I38ZP9992A)
    Language English
    Publishing date 2018-03-01
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1235120-9
    ISSN 1934-3418 ; 1078-4519
    ISSN (online) 1934-3418
    ISSN 1078-4519
    DOI 10.12788/ajo.2018.0010
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