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  • 1
    ISSN: 0305-4403
    Keywords: Tyrolean 'Ice Man', Anthropological Findings, Radiological Investigations,
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Archaeology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Der Radiologe 36 (1996), S. 971-980 
    ISSN: 1432-2102
    Keywords: Schlüsselwörter Schultergelenk ; Sonographie ; Subakromialsyndrome ; Rotatorenmanschette ; Impingement ; Key words Shoulder joint ; Sonography ; Subacromial syndrome ; Rotator cuff disease ; Impingement syndrome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Sonography of the shoulder joint is a well-established technique in the hands of the experienced examiner, when using a standardized protocol. It has proved invaluable in assessing pathological soft tissue changes, especially after trauma. The static evaluation of anatomy and dynamic assessment of function are especially helpful in both preoperative staging and postoperative follow-up. The normal anatomy, examination techniques, including our own variations, and pathological conditions are discussed. The findings and various classifications of impingement syndrome, rotator cuff injuries, biceps tendon lesions and inflammatory changes are examined. Review of the major articles in the literature shows excellent correlation with our results, the overall sensitivity in the case of rotator cuff lesions being over 90 %. A well-performed ultrasound examination in most cases obviates the need for the more invasive arthroscopy and the more cumbersome and expensive MRI examinations.
    Notes: Zusammenfassung Der Stellenwert der Schultersonographie unter standardisierten Untersuchungsbedingungen und entsprechender Erfahrung des Untersuchers ist unbestritten. Insbesondere im Bereich der Traumatologie ist die Wertigkeit bei Rotatorenmanschettenläsionen mit entsprechendem operativem Korrelat statistisch gut abgesichert. Die Overall-Sensitivität bei Rotatorenläsion liegt heute bei ca. 95 %. Partielle und Totalrupturen der Rotatorenmanschette sowie das Impingementsyndrom fallen unter den Sammelbegriff Subakromialsyndrome und sind sonographisch sowohl in statistischer als auch dynamischer Untersuchungstechnik gut beurteilbar. Eine wesentliche Bedeutung hat die sonographische Normalwertbestimmung von Schulterweichteilen als metrisches Fundament zur Bewertung pathologischer Veränderungen. Ein definiertes Staging (prä- wie postoperativ) ermöglicht eine exakte Operationsplanung sowie eine genaue Therapiekontrolle. Die Beurteilung der Gleitlager als indirekter Hinweis auf Traumen bzw. bei entsprechender Klinik als Anhaltspunkt entzündlicher Veränderungen mit exsudativ proliferativen Gelenkergüssen oder im Rahmen der Tendinitis calcarea ist heute sonographischer Untersuchungsstandard. Die Indikation für andere Untersuchungsverfahren wie Arthroskopie, Kontrast-CT oder MRT ist dadurch zurückgedrängt.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Der Radiologe 38 (1998), S. 674-682 
    ISSN: 1432-2102
    Keywords: Schlüsselwörter Wirbelsäulenverletzungen ; Stabilität ; Standardröntgenbilder ; Key words Spinal trauma ; Stability ; Standard radiographs
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary In the workup of patients suffering from spinal trauma the radiologist is eager to make a proper diagnosis asking only for few additional examinations. This can be done by a functional and biomechanical approach in reading standard radiographs. With the knowledge of the kind of injury expected the whole extent of posttraumatic changes in the spine can be delineated exactly. The goal is to make a diagnosis that answers questions of stability so the traumatologist can be aided in therapy.
    Notes: Zusammenfassung Von dem in der Traumatologie tätigen Radiologen wird gefordert, rasch und mit wenigen Zusatzuntersuchungen eine umfassende Diagnose von Wirbelsäulenverletzungen zu erstellen. Um dieser Aufgabe gerecht zu werden bedarf es einer funktionellen Analyse der Standardröntgenbilder. Diese sollten nach den zu erwartenden Traumafolgen je nach Verletzungsmuster beurteilt werden und sind mittels individuell angepaßten Zusatzuntersuchungen zu ergänzen. Ziel ist, die Verletzung mit allen Auswirkungen auf ihre Stabilität umfassend zu beschreiben, um für den Traumatologen wichtige prätherapeutische Informationen zu erstellen.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    European radiology 2 (1992), S. 517-519 
    ISSN: 1432-1084
    Keywords: Post-operative CT imaging ; Shoulder joint ; Bone graft ; Resorption of graft
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Between 1984 and 1990 312 patients underwent surgery for habitual or recurrent shoulder dislocation. Out then, 65 had a post-operative CT examination. This retrospective study was launched to demonstrate the value of CT in post-operative shoulder imaging. In most cases, CT was done using standardised techniques without contrast medium. Except in 4 cases, an intra-articular double-contrast technique was used. Evaluation was focused on 41 cases after implantation of a wedged bone graft in cases of primary or secondary flat glenoid or widening of a small glenoid with cortical consoles and bone block. The results demonstrate the effectiveness of standardised CT technique in that all necessary information concerning stabilisation of the shoulder joint, sufficient implant of bone grafts and assessment of correct inclination after osteotomy were obtained.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-1084
    Keywords: Colour-coded sonography ; Parenchymal scars ; Percutaneous nephrolithotomy (PCNL) ; Sonography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We examined 50 asymptomatic patients 6–60 months after percutaneous nephrolithotomy (PCNL) by high-resolution sonography and additional colour-coded sonography and compared our results with the preoperative sonograms and the operative records. No lesions of larger vessels were detected, either arteriovenous fistulate or pseudoaneurysms. Avascular band-shaped hyperechoic parenchymal stripes were found in 17 of 50 patients (35%). As these did not appear in the preoperative sonograms, and as the stripes were in the same orientation as the neprrostomy canal, we believe them to be scar tissue.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-1084
    Keywords: Key words: Striated urethral sphincter ; Endoluminal ultrasound ; Urinary incontinence ; Urodynamics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The aim of our study was to evaluate the striated urethral sphincter (rhabdosphincter) in incontinent females by means of intraurethral ultrasound (IUUS). Thirty-four incontinent and 11 continent female patients were examined by means of 12.5-MHz endoluminal ultrasound (US). The distance between the inner contour of the sphincter muscle and the US catheter was measured in the contracted and the non-contracted condition. The US findings were correlated with those obtained by urodynamic studies. Partial or complete loss of sphincter function was detected in patients with stress urinary incontinence (SUI). Reduced sphincter function was not observed in patients with urge incontinence and continent volunteers. The findings on US were found to correlate well with the grade of SUI. The IUUS technique offers the benefit of direct visualization of the sphincter mechanism. Therefore, endoluminal US may become an important adjunct in the diagnostic evaluation of SUI and will possibly provide new insights for a better therapeutic strategy.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-1084
    Keywords: Key words: Neobladder ; Continent urinary diversion ; 3D CT imaging ; Virtual endoscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The aim of this pilot study in 54 patients was to improve the visualization of the anatomy and postoperative changes in the pelvic topography after bilateral ureteroileal urethrostomy, using surface rendering of electron beam CT (EBCT) data for the 3D display. Fifty-four patients (39 men and 15 women) were scanned with an EBCT unit between 3 and 110 months after performing orthotopic ureteroileal urethrostomy (“Hemi-Kock”) or ureteroileal rectosigmoidostomy. Various parameters and spatial viewing points were used in the 3D reconstruction, which was performed interactively on external workstations with commercially available software. The anti-reflux nipple was visualized as a distinct structure in all patients. In 8 patients with an interval of more than 12 months between surgery and CT, the pouch had developed an ovoid shape almost indistinguishable from the original bladder. The segmented data sets were partly animated to display the anatomy as virtual endoscopy. Three-dimensional depiction and virtual endoscopy of the neobladder using EBCT are a new way of imaging the postoperative anatomy. Its clinical efficacy in the diagnosis of inconclusive postoperative morbidity, especially voiding problems, and planning of necessary therapy have to be the subject of further evaluation.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    European radiology 8 (1998), S. 1590-1593 
    ISSN: 1432-1084
    Keywords: Key words: Cerebral fat embolism ; Imaging ; MRI ; CCT
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The purpose of this retrospective study was to demonstrate the MRI features of cerebral manifestations in patients with fat embolism syndromes in comparison with cerebral CT (CCT). Magnetic resonance imaging was performed according to standard protocols revealing multiple small non-confluent hyperintense intracerebral lesions larger than 2 mm on proton-density and T2-weighted images to various extents in three of four patients with clinically suspected cerebral fat embolism. Cerebral CT was negative in all patients. Our findings confirm that MRI can detect cerebral fat embolism with a higher sensitivity than CCT. Thus, MRI should be the first choice for imaging of cerebral fat embolism.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1432-1084
    Keywords: Key words: Colon – CT – Three-dimensional CT – Virtual endoscopy – Image processing – Radiation exposure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The purpose of our study was to evaluate the interdependency of spatial resolution, image reconstruction artifacts, and radiation doses in virtual CT colonoscopy by comparing various CT scanning protocols. A pig's colon with several artificial polypoid lesions was imaged after air insufflation with helical CT scanning using 1-, 3-, and 5-mm collimation, and pitch values varying from 1.0 to 3.0. Virtual endoscopic images and “fly through” sequences were calculated on a Sun Sparc 20 workstation (Navigator Software, GE Medical Systems, Milwaukee, Wis.). Several reconstruction artifacts as well as overall image quality were evaluated by three independent reviewers. In addition, radiation doses for the different CT protocols were measured as multiple-scan average dose using a 10-cm ion chamber and a standard Plexiglass body phantom. Generally, image quality and reconstruction artifacts were less affected by pitch values than by beam collimation. Thus, narrow beam collimation at higher pitch values (e. g. 3 mm/2.0) seems to be a reasonable compromise between quality of virtual endoscopic images and radiation dose load.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1432-1084
    Keywords: Induratio penis plastica (IPP) ; Peyroni'es Disease ; Ultrasound ; MRI ; Gadolinium-enhanced
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Penile induration, a disease of connective tissue, requires the precise delineation and differentiation of inflammatory changes (plaques) for accurate therapy. Seventy two patients with clinically suspected Induratio penis plastica (IPP) underwent ultrasound examination between 1984 and 1991. In 37 patients (aged 18 to 80) the diagnosis was proven by ultrasound. Out of this group 27 patients were examined with magnetic resonance imaging (MRI), 15 of them with additional intravenous application of adolinium DTPA (Gd-DTPA). All examinations were performed within four weeks. The results showed, that ultrasound was able to detect plaques and changes of the tunica albuginea in all 37 cases, but MRI was more sensitive in the detection of possible inflammatory change (T2-prolongation and moderate Gd-DTPA enhancement in gradient-echo sequences. MRI revealed inflammatory changes in 22 of 27 examined patients while ultrasound detected only nine such cases out of 37. Ultrasound is the method of choice in diagnosing IPP, due to the overall sensitivity to plaques and changes in the tunica. On the other hand MRI offers valuable additional information with respect to inflammatory changes particularly after Gd-DTPA. Therefore MRI has the potential to improve therapeutic planning and should be used in monitoring therapeutic effects.
    Type of Medium: Electronic Resource
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