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Fischgrund JS, Rhyne A, Franke J, Sasso R, Kitchel S, Bae H, Yeung C, Truumees E, Schaufele M, Yuan P, Vajkoczy P, DePalma M, Anderson DG, Thibodeau L, Meyer B. Intraosseous basivertebral nerve ablation for the treatment of chronic low back pain: a prospective randomized double-blind sham-controlled multi-center study. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2018; 27:1146-1156. [PMID: 29423885 DOI: 10.1007/s00586-018-5496-1] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Revised: 01/11/2018] [Accepted: 01/24/2018] [Indexed: 12/17/2022]
Abstract
PURPOSE To evaluate the safety and efficacy of radiofrequency (RF) ablation of the basivertebral nerve (BVN) for the treatment of chronic low back pain (CLBP) in a Food and Drug Administration approved Investigational Device Exemption trial. The BVN has been shown to innervate endplate nociceptors which are thought to be a source of CLBP. METHODS A total of 225 patients diagnosed with CLBP were randomized to either a sham (78 patients) or treatment (147 patients) intervention. The mean age within the study was 47 years (range 25-69) and the mean baseline ODI was 42. All patients had Type I or Type II Modic changes of the treated vertebral bodies. Patients were evaluated preoperatively, and at 2 weeks, 6 weeks and 3, 6 and 12 months postoperatively. The primary endpoint was the comparative change in ODI from baseline to 3 months. RESULTS At 3 months, the average ODI in the treatment arm decreased 20.5 points, as compared to a 15.2 point decrease in the sham arm (p = 0.019, per-protocol population). A responder analysis based on ODI decrease ≥ 10 points showed that 75.6% of patients in the treatment arm as compared to 55.3% in the sham control arm exhibited a clinically meaningful improvement at 3 months. CONCLUSION Patients treated with RF ablation of the BVN for CLBP exhibited significantly greater improvement in ODI at 3 months and a higher responder rate than sham treated controls. BVN ablation represents a potential minimally invasive treatment for the relief of chronic low back pain. These slides can be retrieved under Electronic Supplementary Material.
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Meyer B, Dresler T, Fritsche G, Gaul C, Niederberger U, Förderreuther S, Malzacher V, Jürgens TP, Marziniak M, Straube A, Kropp P. Entspannungsverfahren und verhaltenstherapeutische Interventionen zur Behandlung der Migräne. ACTA ACUST UNITED AC 2018. [DOI: 10.1055/s-0037-1616413] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
ZusammenfassungNeben medikamentösen und interventionellen Verfahren bestehen zur Behandlung der Migräne nicht medikamentöse Möglichkeiten, die überwiegend der Verhaltenstherapie entstammen. In der Zusammenschau kann dabei aufgezeigt werden, dass bereits eine ausführliche Beratung des Patienten zu positiven Effekten in der Migränehäufigkeit führen kann. Entspannungsverfahren (insbesondere die Progressive Muskelrelaxation nach Jacobson), Ausdauersport und verschiedene Arten von Biofeedback sind neben der Anwendung kognitiver Verhaltenstherapie in der Behandlung der Migräne effektiv. Die Kombination der Behandlungsverfahren selbst mit einer prophylaktischen medikamentösen Therapie führt zu zusätzlichen positiven Effekten.
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Kim S, Gibson CB, Carrozza J, Chang GM, Bowling M, Park J, Couchman G, Meyer B. Frozen embryo transfer instead of fresh embryo transfer can increase pregnancy and implantation rates and reduce biochemical pregnancy in advanced maternal aged women. Reprod Biomed Online 2017. [DOI: 10.1016/j.rbmo.2017.08.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Meyer B, Are C. Current Status and Future Directions in Colorectal Cancer. Indian J Surg Oncol 2017; 9:440-441. [PMID: 30538369 DOI: 10.1007/s13193-017-0711-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Rienmüller A, Buchmann N, Kirschke JS, Meyer EL, Gempt J, Lehmberg J, Meyer B, Ryang YM. Accuracy of CT-navigated pedicle screw positioning in the cervical and upper thoracic region with and without prior anterior surgery and ventral plating. Bone Joint J 2017; 99-B:1373-1380. [PMID: 28963160 DOI: 10.1302/0301-620x.99b10.bjj-2016-1283.r1] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Accepted: 05/03/2017] [Indexed: 11/05/2022]
Abstract
AIMS We aimed to retrospectively assess the accuracy and safety of CT navigated pedicle screws and to compare accuracy in the cervical and thoracic spine (C2-T8) with (COMB) and without (POST) prior anterior surgery (anterior cervical discectomy or corpectomy and fusion with ventral plating: ACDF/ACCF). PATIENTS AND METHODS A total of 592 pedicle screws, which were used in 107 consecutively operated patients (210 COMB, 382 POST), were analysed. The accuracy of positioning was determined according to the classification of Gertzbein and Robbins on post-operative CT scans. RESULTS High accuracy was achieved in 524 screws (88.5%), 192 (87.7%) in the cervical spine and 332 (89%) in the thoracic spine, respectively. The results in the two surgical groups were compared and a logistic regression mixed model was performed to analyse the risk of low accuracy. Significantly lower accuracy was found in the COMB group with 82.9% versus 91.6% in the POST group (p = 0.036). There were no neurological complications, but two vertebral artery lesions were recorded. Three patients underwent revision surgery for malpositioning of a screw. Although the risk of malpositioning of a screw after primary anterior surgery was estimated to be 2.4-times higher than with posterior surgery alone, the overall rates of complication and revision were low. CONCLUSION We therefore conclude that CT navigated pedicle screws can be positioned safely although greater caution must be taken in patients who have previously undergone anterior surgery. Cite this article: Bone Joint J 2017;99-B:1373-80.
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Kimbel R, Meyer B, Evrin F, Zier U. Umgang mit Sprachbarrieren im ärztlichen Alltag – Interaktives Seminar zur Überwindung sprachlicher Barrieren im Arzt-Patientenkontakt. DAS GESUNDHEITSWESEN 2017. [DOI: 10.1055/s-0037-1605717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Hinrichs J, Werncke T, Hoepker M, Olsson K, Wacker F, Brunkhorst T, Sohns J, Meyer B. C-Arm CT (CACT) bei Patienten mit chronisch thromboembolischer pulmonaler Hypertonie (CTEPH) und positivem V/Q SPECT/CT: Evaluation der diagnostischen Zusatzinformation. ROFO-FORTSCHR RONTG 2017. [DOI: 10.1055/s-0037-1600239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Maschke S, Meyer B, Hoeper M, Olsson K, Wacker F, Hinrichs J. Evaluation der 2D-Perfusions-Angiografie bei Patienten mit chronischer thromboembolischer pulmonaler Hypertonie (CTEPH) vor und nach pulmonaler Ballonangioplastie (BPA). ROFO-FORTSCHR RONTG 2017. [DOI: 10.1055/s-0037-1600288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Ille S, Kulchytska N, Sollmann N, Wittig R, Beurskens E, Butenschoen V, Ringel F, Vajkoczy P, Meyer B, Picht T, Krieg S. P024 Hemispheric language dominance measured by rTMS and postoperative course of language function in brain tumor patients. Clin Neurophysiol 2017. [DOI: 10.1016/j.clinph.2016.10.153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Sollmann N, Tanigawa N, Bulubas L, Ringel F, Meyer B, Krieg S. Clinical factors affecting the resting motor threshold in preoperative navigated TMS motor mapping. Brain Stimul 2017. [DOI: 10.1016/j.brs.2017.01.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Sollmann N, Wildschutz N, Boeckh-Behrens T, Meyer B, Krieg S. Associations between clinical outcome and navigated TMS characteristics in patients with motor-eloquent brain lesions: a combined nTMS –fiber tracking approach. Brain Stimul 2017. [DOI: 10.1016/j.brs.2017.01.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Ille S, Sollmann N, Butenschoen V, Meyer B, Ringel F, Krieg S. P025 Resection of highly language-eloquent brain lesions purely based on rTMS language mapping without awake surgery. Clin Neurophysiol 2017. [DOI: 10.1016/j.clinph.2016.10.154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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63
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Ringe K, Wacker F, Terkamp C, Meyer B. Value of additional cone-beam CT acquisitions for adrenal vein sampling. J Vasc Interv Radiol 2017. [DOI: 10.1016/j.jvir.2016.12.937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Meyer B, Niederberger U, Sorgenfrei V, Kropp P. [Headache and self-regulation]. MMW Fortschr Med 2017; 159:62-65. [PMID: 28168463 DOI: 10.1007/s15006-017-9221-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
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Hinrichs J, Murray T, Akin M, Meyer B, Lee M, Michael-Ulrich B, Mathias W, Wacker F, Rodt T. 2D-perfusion angiography technique independent of pump injections for assessment of interventional treatment of peripheral vascular disease. J Vasc Interv Radiol 2017. [DOI: 10.1016/j.jvir.2016.12.683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Meyer B, Kunert KS. [SMILE: Re-Treatment Options - Techniques and Results]. Klin Monbl Augenheilkd 2017; 234:98-101. [PMID: 28135746 DOI: 10.1055/s-0042-118461] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
With a rate of less than 2 %, retreatment after SMILE is rare. If a touch-up is required, there are different options to choose from: surface ablation (PRK/LASEK) with Mitomycin C, the standard femto-flap procedure with the same parameters, the CIRCLE procedure, which extends the previous SMILE interface into a flap, or the innovative but off-label capless SMILE procedure, which preserves all the advantages of SMILE.
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Meyer B, Wishart E. Preoperative skin antisepsis - it ain't what you do but the way that you do it. J Hosp Infect 2017; 95:228. [PMID: 28087141 DOI: 10.1016/j.jhin.2016.12.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Accepted: 12/01/2016] [Indexed: 10/20/2022]
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Berger T, Urech A, Krieger T, Stolz T, Schulz A, Vincent A, Moser CT, Moritz S, Meyer B. Effects of a transdiagnostic unguided Internet intervention ('velibra') for anxiety disorders in primary care: results of a randomized controlled trial. Psychol Med 2017; 47:67-80. [PMID: 27655039 DOI: 10.1017/s0033291716002270] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND Internet-based cognitive-behavioural treatment (ICBT) for anxiety disorders has shown some promise, but no study has yet examined unguided ICBT in primary care. This randomized controlled trial (RCT) investigated whether a transdiagnostic, unguided ICBT programme for anxiety disorders is effective in primary care settings, after a face-to-face consultation with a physician (MD). We hypothesized that care as usual (CAU) plus unguided ICBT would be superior to CAU in reducing anxiety and related symptoms among patients with social anxiety disorder (SAD), panic disorder with or without agoraphobia (PDA) and/or generalized anxiety disorder (GAD). METHOD Adults (n = 139) with at least one of these anxiety disorders, as reported by their MD and confirmed by a structured diagnostic interview, were randomized. Unguided ICBT was provided by a novel transdiagnostic ICBT programme ('velibra'). Primary outcomes were generic measures, such as anxiety and depression symptom severity, and diagnostic status at post-treatment (9 weeks). Secondary outcomes included anxiety disorder-specific measures, quality of life, treatment adherence, satisfaction, and general psychiatric symptomatology at follow-up (6 months after randomization). RESULTS CAU plus unguided ICBT was more effective than CAU at post-treatment, with small to medium between-group effect sizes on primary (Cohen's d = 0.41-0.47) and secondary (Cohen's d = 0.16-0.61) outcomes. Treatment gains were maintained at follow-up. In the treatment group, 28.2% of those with a SAD diagnosis, 38.3% with a PDA diagnosis, and 44.8% with a GAD diagnosis at pretreatment no longer fulfilled diagnostic criteria at post-treatment. CONCLUSIONS The unguided ICBT intervention examined is effective for anxiety disorders when delivered in primary care.
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Kessel KA, Fischer H, Vogel MM, Oechsner M, Bier H, Meyer B, Combs SE. Erratum to: Fractionated vs. single-fraction stereotactic radiotherapy in patients with vestibular schwannoma : Hearing preservation and patients' self-reported outcome based on an established questionnaire. Strahlenther Onkol 2016; 193:171. [PMID: 27981336 DOI: 10.1007/s00066-016-1087-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Lima FA, Saleta ME, Pagliuca RJS, Eleotério MA, Reis RD, Fonseca Júnior J, Meyer B, Bittar EM, Souza-Neto NM, Granado E. XDS: a flexible beamline for X-ray diffraction and spectroscopy at the Brazilian synchrotron. JOURNAL OF SYNCHROTRON RADIATION 2016; 23:1538-1549. [PMID: 27787261 DOI: 10.1107/s160057751601403x] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Accepted: 09/02/2016] [Indexed: 06/06/2023]
Abstract
The majority of the beamlines at the Brazilian Synchrotron Light Source Laboratory (LNLS) use radiation produced in the storage-ring bending magnets and are therefore currently limited in the flux that can be used in the harder part of the X-ray spectrum (above ∼10 keV). A 4 T superconducting multipolar wiggler (SCW) was recently installed at LNLS in order to improve the photon flux above 10 keV and fulfill the demands set by the materials science community. A new multi-purpose beamline was then installed at the LNLS using the SCW as a photon source. The XDS is a flexible beamline operating in the energy range between 5 and 30 keV, designed to perform experiments using absorption, diffraction and scattering techniques. Most of the work performed at the XDS beamline concentrates on X-ray absorption spectroscopy at energies above 18 keV and high-resolution diffraction experiments. More recently, new setups and photon-hungry experiments such as total X-ray scattering, X-ray diffraction under high pressures, resonant X-ray emission spectroscopy, among others, have started to become routine at XDS. Here, the XDS beamline characteristics, performance and a few new experimental possibilities are described.
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Onken J, Reinke A, Radke J, Finger T, Bayerl S, Vajkoczy P, Meyer B. Revision surgery for cervical artificial disc: Surgical technique and clinical results. Clin Neurol Neurosurg 2016; 152:39-44. [PMID: 27888676 DOI: 10.1016/j.clineuro.2016.10.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2016] [Revised: 10/23/2016] [Accepted: 10/29/2016] [Indexed: 11/16/2022]
Abstract
OBJECTIVE Cervical artificial disc replacement (C-ADR) was developed with the goal of preserving mobility of the cervical segment in patients with degenerative disc disease. So far, little is known about experiences with revision surgery and explantation of C-ADRs. Here, we report our experience with revision the third generation, Galileo-type disc prosthesis from a retrospective study of two institutions. PATIENTS AND METHODS Between November 2008 and July 2016, 16 patients with prior implantation of C-ADR underwent removal of the Galileo-type disc prosthesis (Signus, Medizintechnik, Germany) due to a call back by industry. In 10 patients C-ADR was replaced with an alternative prosthesis, 6 patients received an ACDF. Duration of surgery, time to revision, surgical procedure, complication rate, neurological status, histological findings and outcome were examined in two institutions. RESULTS The C-ADR was successfully revised in all patients. Surgery was performed through the same anterior approach as the initial access. Duration of the procedure varied between 43 and 80min. Access-related complications included irritation of the recurrent nerve in one patient and mal-positioning of the C-ADR in another patient. Follow up revealed two patients with permanent mild/moderate neurologic deficits, NDI (neck disability index) ranged between 10 and 42%. CONCLUSIONS Anterior exposure of the cervical spine for explantation and revision of C-ADR performed through the initial approach has an overall complication rate of 18.75%. Replacements of the Galileo-type disc prosthesis with an alternative prosthesis or conversion to ACDF are both suitable surgical options without significant difference in outcome.
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Bette S, Wiestler B, Delbridge C, Huber T, Boeckh-Behrens T, Meyer B, Zimmer C, Gempt J, Kirschke J. Discrimination of Different Brain Metastases and Primary CNS Lymphomas Using Morphologic Criteria and Diffusion Tensor Imaging. ROFO-FORTSCHR RONTG 2016; 188:1134-1143. [PMID: 27643802 DOI: 10.1055/s-0042-115572] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Purpose: Brain metastases are a common complication of cancer and occur in about 15 - 40 % of patients with malignancies. The aim of this retrospective study was to differentiate between metastases from different primary tumors/CNS lymphyomas using morphologic criteria, fractional anisotropy (FA) and apparent diffusion coefficient (ADC). Materials and Methods: Morphologic criteria such as hemorrhage, cysts, pattern of contrast enhancement and location were reported in 200 consecutive patients with brain metastases/primary CNS lymphomas. FA and ADC values were measured in regions of interest (ROIs) placed in the contrast-enhancing tumor part, the necrosis and the non-enhancing peritumoral region (NEPTR). Differences between histopathological subtypes of metastases were analyzed using non-parametric tests, decision trees and hierarchical clustering analysis. Results: Significant differences were found in morphologic criteria such as hemorrhage or pattern of contrast enhancement. In diffusion measurements, significant differences between the different tumor entities were only found in ADC analyzed in the contrast-enhancing tumor part. Among single tumor entities, primary CNS lymphomas showed significantly lower median ADC values in the contrast-enhancing tumor part (ADClymphoma 0.92 [0.83 - 1.07] vs. ADCno_lymphoma 1.35 [1.10 - 1.64] P = 0.001). Further differentiation between types of metastases was not possible using FA and ADC. Conclusion: There were morphologic differences among the main subtypes of brain metastases/CNS lymphomas. However, due to a high variability of common types of metastases and low specificity, prospective differentiation remained challenging. DTI including FA and ADC was not a reliable tool for differentiation between different histopathological subtypes of brain metastases except for CNS lymphomas showing lower ADC values. Biopsy, surgery and staging remain essential for diagnosis. Key Points: • Histopathological subtypes of brain metastases/CNS lymphomas show different morphologic features on MRI• Primary CNS lymphomas show significantly reduced ADC values• DTI is not a reliable tool for differentiation between brain metastases Citation Format: • Bette S, Wiestler B, Delbridge C et al. Discrimination of Different Brain Metastases and Primary CNS Lymphomas Using Morphologic Criteria and Diffusion Tensor Imaging. Fortschr Röntgenstr 2016; 188: 1134 - 1143.
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Sollmann N, Ille S, Zimmer C, Meyer B, Ringel F, Krieg S. EP 23. Cortical language mapping by rTMS compared to fMRI in healthy volunteers. Clin Neurophysiol 2016. [DOI: 10.1016/j.clinph.2016.05.078] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Gootz M, Forman C, Wolfersdorf C, Meyer B. Coal-to-Liquids: Neue Konzepte zur Flexibilisierung von Kraftwerken. CHEM-ING-TECH 2016. [DOI: 10.1002/cite.201650513] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Abstract
BACKGROUND Post-nucleotomy syndrome includes all existing sequelae after surgical nucleotomy for the resection of a lumbar disc herniation, such as axial lumbar back pain and persisting radiculopathy. OBJECTIVES To describe underlying pathologies and to determine operative treatment options. MATERIALS AND METHODS Extensive literature research was carried out on Medline. RESULTS Various devices and approaches have been developed in the last decades. Nonetheless, surgical and non-surgical therapy of post-nucleotomy syndrome remains complex and frequently fails. CONCLUSIONS Better studies providing a better level of evidence for each sub-entity of post-nucleotomy syndrome are required.
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