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  1. Article ; Online: Invasive Central Nervous System Aspergillosis in a Patient Receiving Long-term Acalabrutinib Therapy.

    Tawfiq, Reema K / Ranganath, Nischal / Lehman, Vance T

    Mayo Clinic proceedings

    2023  Volume 98, Issue 11, Page(s) 1596–1598

    MeSH term(s) Humans ; Aspergillosis ; Central Nervous System ; Benzamides/adverse effects ; Pyrazines/adverse effects
    Chemical Substances acalabrutinib (I42748ELQW) ; Benzamides ; Pyrazines
    Language English
    Publishing date 2023-11-03
    Publishing country England
    Document type Journal Article
    ZDB-ID 124027-4
    ISSN 1942-5546 ; 0025-6196
    ISSN (online) 1942-5546
    ISSN 0025-6196
    DOI 10.1016/j.mayocp.2023.05.017
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: High-Resolution Vessel-Wall Imaging for Analysis of Intracranial Aneurysm Daughter- Sac Vulnerability.

    Larson, Anthony S / Lehman, Vance T

    Mayo Clinic proceedings

    2021  Volume 96, Issue 3, Page(s) 815–816

    MeSH term(s) Anterior Cerebral Artery/diagnostic imaging ; Anterior Cerebral Artery/pathology ; Cerebral Angiography/methods ; Humans ; Image Processing, Computer-Assisted/methods ; Imaging, Three-Dimensional/methods ; Intracranial Aneurysm/diagnostic imaging ; Intracranial Aneurysm/pathology ; Magnetic Resonance Angiography/methods ; Male ; Middle Aged
    Language English
    Publishing date 2021-03-05
    Publishing country England
    Document type Case Reports ; Journal Article
    ZDB-ID 124027-4
    ISSN 1942-5546 ; 0025-6196
    ISSN (online) 1942-5546
    ISSN 0025-6196
    DOI 10.1016/j.mayocp.2020.11.008
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  3. Article ; Online: Beyond Anatomy: Fat-Suppressed MR and Molecular Imaging of Spinal Pain Generators.

    Lehman, Vance T / Tiegs-Heiden, Christin A / Broski, Stephen M

    Radiologic clinics of North America

    2023  Volume 62, Issue 2, Page(s) 247–261

    Abstract: Spine pain is highly prevalent and costly, but evaluation with clinical features and anatomic imaging remain limited. Fat-suppressed MR imaging and molecular imaging (MI) may help identify inflammatory, lesional, and malignant causes. Numerous MI agents ... ...

    Abstract Spine pain is highly prevalent and costly, but evaluation with clinical features and anatomic imaging remain limited. Fat-suppressed MR imaging and molecular imaging (MI) may help identify inflammatory, lesional, and malignant causes. Numerous MI agents are available, each with advantages and disadvantages. Herein, FDG PET, prostate-specific membrane antigen (PSMA), bone radiotracers, and others are highlighted. No specific pain MI agents have been identified, but mechanisms of key agents are shown in video format, and the mechanism of PSMA as a theranostic agent is displayed. A multidisciplinary approach is needed to master this topic.
    MeSH term(s) Male ; Humans ; Spine/diagnostic imaging ; Spine/pathology ; Pain/pathology ; Magnetic Resonance Imaging/methods ; Positron-Emission Tomography ; Molecular Imaging
    Language English
    Publishing date 2023-11-13
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 215712-3
    ISSN 1557-8275 ; 0033-8389
    ISSN (online) 1557-8275
    ISSN 0033-8389
    DOI 10.1016/j.rcl.2023.09.005
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  4. Article ; Online: Spinal Aneurysmal Bone Cyst Causing Spinal Cord Compression.

    Yuen, Jason / Folpe, Andrew L / Lehman, Vance T

    Mayo Clinic proceedings

    2022  Volume 97, Issue 2, Page(s) 417–418

    MeSH term(s) Bone Cysts, Aneurysmal/diagnostic imaging ; Bone Cysts, Aneurysmal/surgery ; Embolization, Therapeutic/methods ; Female ; Humans ; Magnetic Resonance Imaging ; Spinal Cord Compression/diagnostic imaging ; Spinal Cord Compression/etiology ; Spinal Cord Compression/surgery ; Tomography, X-Ray Computed ; Young Adult
    Language English
    Publishing date 2022-02-04
    Publishing country England
    Document type Case Reports ; Journal Article
    ZDB-ID 124027-4
    ISSN 1942-5546 ; 0025-6196
    ISSN (online) 1942-5546
    ISSN 0025-6196
    DOI 10.1016/j.mayocp.2021.11.036
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    Ua VI Zs.183: Show issues Location:
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  5. Article: Value of dual energy CT in post resuscitation coma. Differentiating contrast retention and ischemic brain parenchyma.

    Nayab, Asra / Wijdicks, Eelco F / Luetmer, Patrick H / Lehman, Vance T

    Radiology case reports

    2022  Volume 17, Issue 10, Page(s) 3722–3726

    Abstract: Applications of dual-energy computed tomography and virtual non-contrast technique in neuroimaging are still emerging. While the role of DECT in differentiating parenchymal hemorrhage and contrast media after mechanical revascularization is well ... ...

    Abstract Applications of dual-energy computed tomography and virtual non-contrast technique in neuroimaging are still emerging. While the role of DECT in differentiating parenchymal hemorrhage and contrast media after mechanical revascularization is well recognized, the value of DECT in evaluation of brain ischemia in post resuscitation patients who have received intravenous (IV) iodinated contrast is not well documented. We present a challenging case where DECT helped explain hyperattenuation in cortical grey matter and deep grey nuclei as well as cerebellar hemispheres in a comatose patient post cardiac arrest following massive pulmonary embolism.
    Language English
    Publishing date 2022-08-04
    Publishing country Netherlands
    Document type Case Reports
    ZDB-ID 2406300-9
    ISSN 1930-0433
    ISSN 1930-0433
    DOI 10.1016/j.radcr.2022.07.046
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  6. Article ; Online: High yield clinical applications for photon counting CT in neurovascular imaging.

    Madhavan, Ajay A / Bathla, Girish / Benson, John C / Diehn, Felix E / Nagelschneider, Alex A / Lehman, Vance T

    The British journal of radiology

    2024  

    Abstract: Photon-counting CT uses a novel x-ray detection mechanism that confers many advantages over that used in traditional energy integrating CT. As photon-counting CT becomes more available, it is important to thoroughly understand its benefits and highest ... ...

    Abstract Photon-counting CT uses a novel x-ray detection mechanism that confers many advantages over that used in traditional energy integrating CT. As photon-counting CT becomes more available, it is important to thoroughly understand its benefits and highest yield areas for improvements in diagnosis of various diseases. Based on our early experience, we have identified several areas of neurovascular imaging in which photon-counting CT shows promise. Here, we describe the benefits in diagnosing arterial and venous diseases in the head, neck, and spine. Specifically, we focus on applications in head and neck CT angiography, spinal CT angiography, and CT myelography for detection of CSF-venous fistulas. Each of these applications highlights the technological advantages of PCCT in neurovascular imaging. Further understanding of these applications will not only benefit institutions incorporating PCCT into their practices but will also help guide future directions for implementation of PCCT for diagnosing other pathologies in neuroimaging.
    Language English
    Publishing date 2024-03-09
    Publishing country England
    Document type Journal Article
    ZDB-ID 2982-8
    ISSN 1748-880X ; 0007-1285
    ISSN (online) 1748-880X
    ISSN 0007-1285
    DOI 10.1093/bjr/tqae058
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  7. Article: Comment on: Development of intracranial vasculitis in giant cell arteritis during tocilizumab treatment by Naderi.

    Koster, Matthew J / Warrington, Kenneth J / Lehman, Vance T

    Clinical and experimental rheumatology

    2021  Volume 39 Suppl 129, Issue 2, Page(s) 198

    MeSH term(s) Antibodies, Monoclonal, Humanized/adverse effects ; Giant Cell Arteritis/drug therapy ; Humans
    Chemical Substances Antibodies, Monoclonal, Humanized ; tocilizumab (I031V2H011)
    Language English
    Publishing date 2021-03-05
    Publishing country Italy
    Document type Letter ; Comment
    ZDB-ID 605886-3
    ISSN 1593-098X ; 0392-856X
    ISSN (online) 1593-098X
    ISSN 0392-856X
    DOI 10.55563/clinexprheumatol/3k20me
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  8. Article ; Online: Injection into the Space of Okada During Transforaminal Epidural Steroid Injections.

    Tiegs-Heiden, Christin A / Madhavan, Ajay A / Diehn, Felix E / Lehman, Vance T / Murthy, Naveen S

    Pain medicine (Malden, Mass.)

    2022  Volume 23, Issue 6, Page(s) 1066–1074

    Abstract: Objective: Ensuring medication delivery to the epidural space is crucial for effective transforaminal epidural steroid injections. Epidural needle placement is determined by injecting a small amount of contrast at the final needle position. The purpose ... ...

    Abstract Objective: Ensuring medication delivery to the epidural space is crucial for effective transforaminal epidural steroid injections. Epidural needle placement is determined by injecting a small amount of contrast at the final needle position. The purpose of this study is to illustrate the appearance of contrast flow in the retrodural retroligamentous space of Okada during computed tomography- and fluoroscopy-guided cervical and lumbar transforaminal epidural steroid injections.
    Design: This retrospective study will use a series of cases to demonstrate contrast within the space of Okada during epidural transforaminal steroid injections.
    Setting: Tertiary medical center.
    Subjects: Study subjects are adult patients who underwent transforaminal epidural steroid injection at our institution.
    Methods: Cases were identified through the use of a search engine of existing radiology reports at our institution. Epidural steroid injection procedural reports were searched for the terms "Okada" and "retrodural space." Images from the procedure were reviewed by the authors (all proceduralists with dedicated training in spinal injections) to confirm the presence of contrast within the space of Okada.
    Results: This case series illustrates six examples of contrast injection into the retrodural space of Okada during cervical and lumbar transforaminal epidural steroid injections.
    Conclusions: Contrast uptake in the retrodural space of Okada may be seen during transforaminal epidural injections. Although relatively uncommon, it is likely underrecognized. It is extremely important that providers who perform transforaminal epidural steroid injections be familiar with this non-epidural contrast flow pattern so they can adjust needle positioning to deliver steroid to the epidural space.
    MeSH term(s) Adult ; Epidural Space ; Fluoroscopy/methods ; Humans ; Injections, Epidural/methods ; Retrospective Studies ; Steroids
    Chemical Substances Steroids
    Language English
    Publishing date 2022-01-12
    Publishing country England
    Document type Journal Article
    ZDB-ID 2015903-1
    ISSN 1526-4637 ; 1526-2375
    ISSN (online) 1526-4637
    ISSN 1526-2375
    DOI 10.1093/pm/pnac008
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    Zs.A 6119: Show issues Location:
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  9. Article ; Online: MRI-guided focused ultrasound ablation of painful lumbar facet joints: a retrospective assessment of safety and tolerability in human subjects.

    Tiegs-Heiden, Christin A / Hesley, Gina K / Long, Zaiyang / Lu, Aiming / Lamer, Tim J / Gorny, Krzysztof R / Hangiandreou, Nicholas J / Lehman, Vance T

    Pain medicine (Malden, Mass.)

    2023  Volume 24, Issue 11, Page(s) 1219–1223

    Abstract: Objective: To evaluate the safety and tolerability of MRI-guided focused ultrasound (MRgFUS) for the treatment of facet joint-mediated pain in human subjects for whom conventional treatment had failed. Secondarily, to evaluate effectiveness of the ... ...

    Abstract Objective: To evaluate the safety and tolerability of MRI-guided focused ultrasound (MRgFUS) for the treatment of facet joint-mediated pain in human subjects for whom conventional treatment had failed. Secondarily, to evaluate effectiveness of the procedure.
    Methods: Consecutive patients who underwent MRgFUS at our institution were retrospectively identified. Chart review was performed to obtain relevant clinical and technical data. All patients had chronic low back pain and positive comparative medial branch blocks.
    Results: Twenty-six MRgFUS treatments in 20 patients were included. Mean sonication energy was 1436.6 Joules. The procedure was technically successful in all patients. Of the treated patients, 29.6% experienced short-term worsening of low back pain immediately after the procedure, all by 1-4 points on a 0-10 scale. One patient (3.8%) reported temporary worsening of preexisting radicular symptoms after the procedure. Of 21 treatments with clinical follow-up of at least 3 months available, 12 (57.1%) had >3 months' pain relief, 2 (10%) had <3 months' benefit, 6 (30%) reported no benefit, and 1 (5%) patient was lost to follow-up. In patients who reported at least some benefit with prior conventional radiofrequency ablation, 8/10 (80%) benefited from the MRgFUS procedure.
    Conclusion: The present study demonstrates that MRgFUS ablation of the lumbar facet joints is a safe and tolerable procedure in human subjects and could provide another option for patients for whom radiofrequency ablation had failed. More than half of all patients received significant durable pain relief, which jumped to 80% for patients who had experienced at least some benefit from prior radiofrequency ablations.
    MeSH term(s) Humans ; Low Back Pain/therapy ; Nerve Block/methods ; Zygapophyseal Joint ; Retrospective Studies ; Magnetic Resonance Imaging ; Treatment Outcome
    Language English
    Publishing date 2023-07-21
    Publishing country England
    Document type Journal Article
    ZDB-ID 2015903-1
    ISSN 1526-4637 ; 1526-2375
    ISSN (online) 1526-4637
    ISSN 1526-2375
    DOI 10.1093/pm/pnad100
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  10. Article: Trigeminal Neuralgia Due to Meckel's Cave Crowding in the Setting of Possible Idiopathic Intracranial Hypertension without Papilledema.

    Panda, Ananya / Lehman, Vance T / Garza, Ivan / Diehn, Felix E

    Annals of Indian Academy of Neurology

    2020  Volume 24, Issue 1, Page(s) 107–109

    Language English
    Publishing date 2020-05-06
    Publishing country India
    Document type Journal Article
    ZDB-ID 2240174-X
    ISSN 1998-3549 ; 0972-2327
    ISSN (online) 1998-3549
    ISSN 0972-2327
    DOI 10.4103/aian.AIAN_690_19
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