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  1. Article ; Online: Acute transverse myelitis after COVID-19 pneumonia.

    Munz, Maike / Wessendorf, Swen / Koretsis, Georgios / Tewald, Friedemann / Baegi, Reem / Krämer, Stefan / Geissler, Michael / Reinhard, Matthias

    Journal of neurology

    2020  Volume 267, Issue 8, Page(s) 2196–2197

    MeSH term(s) Acute Disease ; Antiviral Agents/administration & dosage ; Betacoronavirus ; COVID-19 ; Coronavirus Infections/complications ; Coronavirus Infections/diagnostic imaging ; Coronavirus Infections/drug therapy ; Humans ; Male ; Middle Aged ; Myelitis, Transverse/diagnostic imaging ; Myelitis, Transverse/drug therapy ; Myelitis, Transverse/etiology ; Pandemics ; Pneumonia, Viral/complications ; Pneumonia, Viral/diagnostic imaging ; Pneumonia, Viral/drug therapy ; SARS-CoV-2
    Chemical Substances Antiviral Agents
    Keywords covid19
    Language English
    Publishing date 2020-05-26
    Publishing country Germany
    Document type Case Reports ; Letter
    ZDB-ID 187050-6
    ISSN 1432-1459 ; 0340-5354 ; 0012-1037 ; 0939-1517 ; 1619-800X
    ISSN (online) 1432-1459
    ISSN 0340-5354 ; 0012-1037 ; 0939-1517 ; 1619-800X
    DOI 10.1007/s00415-020-09934-w
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  2. Article: Acute transverse myelitis after COVID-19 pneumonia

    Munz, Maike / Wessendorf, Swen / Koretsis, Georgios / Tewald, Friedemann / Baegi, Reem / Krämer, Stefan / Geissler, Michael / Reinhard, Matthias

    J Neurol

    Keywords covid19
    Publisher WHO
    Document type Article
    Note WHO #Covidence: #378309
    Database COVID19

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  3. Article ; Online: Acute transverse myelitis after COVID-19 pneumonia

    Munz, Maike / Wessendorf, Swen / Koretsis, Georgios / Tewald, Friedemann / Baegi, Reem / Krämer, Stefan / Geissler, Michael / Reinhard, Matthias

    Journal of Neurology

    2020  Volume 267, Issue 8, Page(s) 2196–2197

    Keywords Neurology ; Clinical Neurology ; covid19
    Language English
    Publisher Springer Science and Business Media LLC
    Publishing country us
    Document type Article ; Online
    ZDB-ID 187050-6
    ISSN 1432-1459 ; 0340-5354 ; 0012-1037 ; 0939-1517 ; 1619-800X
    ISSN (online) 1432-1459
    ISSN 0340-5354 ; 0012-1037 ; 0939-1517 ; 1619-800X
    DOI 10.1007/s00415-020-09934-w
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  4. Article: Multicenter comparison of calibration and cross calibration of PET scanners.

    Geworski, Lilli / Knoop, Bernd O / de Wit, Maike / Ivancević, Velimir / Bares, Roland / Munz, Dieter L

    Journal of nuclear medicine : official publication, Society of Nuclear Medicine

    2002  Volume 43, Issue 5, Page(s) 635–639

    Abstract: Unlabelled: The purpose of this study was to compare the calibration of PET scanners and their cross calibration to peripheral devices in a multicenter study.: Methods: Twenty-three dedicated PET scanners were investigated, applying standardized ... ...

    Abstract Unlabelled: The purpose of this study was to compare the calibration of PET scanners and their cross calibration to peripheral devices in a multicenter study.
    Methods: Twenty-three dedicated PET scanners were investigated, applying standardized protocols. To ensure exact determination of the activity used, dose calibrators were checked using (68)Ge standards.
    Results: Nine of 19 and 11 of 20 scanners displayed an error of <5% in 3-dimensional and 2-dimensional acquisition modes, respectively. Four and 5 scanners displayed an error of 10% in 3-dimensional and 2-dimensional modes, respectively. All other scanners yielded errors of 5% to <10%. Because of hardware and software problems, the measurements performed on 1 scanner could not be adequately analyzed.
    Conclusion: An investigation of calibration is mandatory. Especially for quantitative analyses in clinical multicenter trials, identification of potentially miscalibrated scanners is necessary.
    MeSH term(s) Calibration ; Humans ; Radiation Dosage ; Tomography, Emission-Computed/instrumentation
    Language English
    Publishing date 2002-05
    Publishing country United States
    Document type Comparative Study ; Journal Article ; Multicenter Study ; Research Support, Non-U.S. Gov't
    ZDB-ID 80272-4
    ISSN 1535-5667 ; 0161-5505 ; 0097-9058 ; 0022-3123
    ISSN (online) 1535-5667
    ISSN 0161-5505 ; 0097-9058 ; 0022-3123
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    Zs.MO 328: Show issues

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  5. Article: Uberprüfung der Kreuzkalibrierung von Positronen-Emissions-Tomographen zu ihren peripheren Geräten.

    Geworski, Lilli / Knoop, Bernd O / Hofmann, Michael / Zander, Andreas / de Wit, Maike / Bares, Roland / Munz, Dieter L

    Zeitschrift fur medizinische Physik

    2003  Volume 13, Issue 2, Page(s) 109–114

    Abstract: The aim of this study was to evaluate the cross-calibration of positron emission tomographs and their peripheral devices prior to a multicenter study. The instrumentation of 22 sites (including 24 dedicated PET scanners), including 21 that could be ... ...

    Title translation Testing cross-calibration between positron emission tomographs and their peripheral devices.
    Abstract The aim of this study was to evaluate the cross-calibration of positron emission tomographs and their peripheral devices prior to a multicenter study. The instrumentation of 22 sites (including 24 dedicated PET scanners), including 21 that could be operated in 2D mode and 20 in 3D mode, was investigated according to standardized acquisition and reconstruction protocols, and the cross-calibration was checked against the dose calibrators (22 instruments) and the sample changer (20 instruments). The deviation of the cross-calibration to the dose calibrators was below 5% for 10 of 21 PET scanners (2D mode) and 6 of 20 (3D mode). For 6 (2D mode) and 6 (3D mode) scanners, the corresponding error was up to 10%. In turn, the deviation between dose calibrator and standard was less than 8% for 19 devices, and even less than 5% for 14 devices. In most of the well counters evaluated, the cross-calibration error was less than 10%. Although required in general, the cross-calibration between positron emission tomographs and their peripheral devices becomes even more critical when pooling data in the framework of quantitative clinical multicenter studies.
    MeSH term(s) Calibration ; Diagnostic Imaging/instrumentation ; Diagnostic Imaging/methods ; Gallium Radioisotopes ; Humans ; Radiation Dosage ; Reproducibility of Results ; Tomography/instrumentation ; Tomography/methods ; Tomography, Emission-Computed/instrumentation ; Tomography, Emission-Computed/methods
    Chemical Substances Gallium Radioisotopes
    Language German
    Publishing date 2003-07-16
    Publishing country Germany
    Document type English Abstract ; Journal Article ; Multicenter Study
    ZDB-ID 1104517-6
    ISSN 1876-4436 ; 0939-3889 ; 0040-5973
    ISSN (online) 1876-4436
    ISSN 0939-3889 ; 0040-5973
    DOI 10.1078/0939-3889-00150
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    Zs.A 3525: Show issues Location:
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  6. Article: Subareolar injection of technetium-99m nanocolloid yields reliable data on the axillary lymph node tumour status in breast cancer patients with previous manipulations on the primary tumour: a prospective study of 117 patients.

    Maza, Sofiane / Thomas, Anke / Winzer, Klaus J / Hüttner, Christine / Blohmer, Jens-Uwe / Hauschild, Maik / Richter, Matthias / Krössin, Thomas / Geworski, Lilli / Zander, Andreas / Guski, Hans / Munz, Dieter L

    European journal of nuclear medicine and molecular imaging

    2004  Volume 31, Issue 5, Page(s) 671–675

    Abstract: According to recently published guidelines, histological clarification by interventional techniques should be undertaken before planning the surgical management of patients with breast carcinoma. In patients with previous manipulations on the primary ... ...

    Abstract According to recently published guidelines, histological clarification by interventional techniques should be undertaken before planning the surgical management of patients with breast carcinoma. In patients with previous manipulations on the primary tumour, peritumoural injection in the context of preoperative scintigraphic detection of the sentinel lymph nodes is not possible. The aim of this prospective study was to clarify whether subareolar injection of nanocolloid can yield reliable data on the axillary lymph node tumour status in breast cancer patients with previous manipulations on the primary tumour. To date, 117 women (age 31-80 years) with breast carcinoma have been enrolled. All of these patients had undergone a biopsy (n=88) or surgery on the primary tumour (n=29) and were without clinical suspicion of lymph node metastases. Subareolar injection of 40 MBq technetium-99m nanocolloid was carried out in at least eight deposits around the areolar margin [one deposit in the middle of each quadrant and one deposit at each quadrant intersection (0.05 ml/deposit)]. Immediately after injection, dynamic and static lymphoscintigraphy of the axillary, thoracic and cervical areas was performed in various views with a gamma camera (LEAP collimator, 256x256 matrix). Lymphatic drainage was directed exclusively to the ipsilateral axilla. Sentinel lymph node biopsy and elective dissection of axillary lymph nodes were performed in all patients. All lymph nodes removed were examined by histology and immunohistochemistry. In 26 patients, lymph node metastases were found in the sentinel lymph nodes. In six of them, non-sentinel lymph nodes also showed tumour involvement. In the remaining 91 patients, lymph node metastases could be found neither in sentinel lymph nodes nor in non-sentinel lymph nodes. In conclusion, subareolar nanocolloid injection can yield reliable information on the axillary lymph node tumour status in patients with previous manipulations on the primary tumour in the breast.
    MeSH term(s) Adult ; Aged ; Aged, 80 and over ; Axilla/diagnostic imaging ; Axilla/pathology ; Breast Neoplasms/diagnostic imaging ; Breast Neoplasms/pathology ; Breast Neoplasms/surgery ; Female ; Humans ; Injections ; Lymph Nodes/diagnostic imaging ; Lymph Nodes/pathology ; Lymphatic Metastasis ; Middle Aged ; Nipples ; Prospective Studies ; Radionuclide Imaging ; Radiopharmaceuticals/administration & dosage ; Radiopharmaceuticals/pharmacokinetics ; Reproducibility of Results ; Sensitivity and Specificity ; Sentinel Lymph Node Biopsy/methods ; Technetium Tc 99m Aggregated Albumin/administration & dosage ; Technetium Tc 99m Aggregated Albumin/pharmacokinetics
    Chemical Substances Radiopharmaceuticals ; Technetium Tc 99m Aggregated Albumin ; technetium Tc 99m nanocolloid
    Language English
    Publishing date 2004-05
    Publishing country Germany
    Document type Clinical Trial ; Journal Article ; Validation Studies
    ZDB-ID 8236-3
    ISSN 1619-7089 ; 1619-7070 ; 0340-6997
    ISSN (online) 1619-7089
    ISSN 1619-7070 ; 0340-6997
    DOI 10.1007/s00259-003-1447-z
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    Zs.A 1227: Show issues Location:
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