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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 19 (1997), S. 189-191 
    ISSN: 1279-8517
    Keywords: Nasolacrimal ; Sac, duct, canal ; Lacrimal drainage system ; Anatomy ; Computed tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Recent developments in ophthalmology such as balloon dilatation, stent implantation, laser therapy and endoscopy of the lacrimal drainage system raise the need for a detailed anatomical knowledge of this system. In this study morphometric measurements of the lacrimal drainage system were performed with thin-section axial computed tomography (CT) examinations in 147 patients with no signs of pathology related to the lacrimal drainage system. The mean length of the nasolacrimal duct measured 11.2 ± 2.6mm (range: 6-21 mm), the narrowest diameter was 3.7 ± 0.7 mm (range: 2-7 mm). The mean length of the nasolacrimal sac was 11.8 ± 2.5 mm (range: 6-18 mm). The width of the nasolacrimal sac did not exceed 4 mm unless filled with air. In 43 (29.3%) of the subjects air was visible within the nasolacrimal sac or duct. The knowledge of the morphometry of the lacrimal drainage system enables the ophthalmologist to plan intervention on the lacrimal drainage system precisely and avoid unnecessary manipulations.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 19 (1997), S. 189-191 
    ISSN: 1279-8517
    Keywords: Nasolacrimal ; Sac, duct, canal ; Lacrimal drainage system ; Anatomy ; Computed tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Les récents progrès en ophtalmologie tels que la dilatation par ballonnet, la pose de sondes, les traitements au laser, l'endoscopie du système lacrymal accroissent la nécessité d'une connaissance anatomique précise de ce système ; dans cette étude morphométrique, les mesures du système de drainage lacrymal ont été réalisées par tomodensitométrie en coupes fines (CT); l'étude portait sur 147 patients indemnes de toute pathologie du système de drainage lacrymal. La longueur moyenne du conduit lacrymal était de 11,2±2,6 mm (limites : 6–21 mm) ; le diamètre le plus réduit était de 3,7±0,7 mm (limites : 2–7 mm). La longueur moyenne du sac lacrymo-nasal était de 11,8 mm±2,5 mm (limites 6–18 mm) ; la largeur du sac n'excédait pas 4 mm, en dehors d'un remplissage par l'air. La présence d'air a été décelée dans le sac ou le conduit chez 43 sujets (29,3 %). La connaissance de la morphométrie du système de drainage lacrymal permet à l'ophtalmologiste de planifier avec précision une intervention sur le système en évitant des manœuvres intempestives.
    Notes: Summary Recent developments in ophthalmology such as balloon dilatation, stent implantation, laser therapy and endoscopy of the lacrimal drainage system raise the need for a detailed anatomical knowledge of this system. In this study morphometric measurements of the lacrimal drainage system were performed with thin-section axial computed tomography (CT) examinations in 147 patients with no signs of pathology related to the lacrimal drainage system. The mean length of the nasolacrimal duct measured 11.2±2.6mm (range: 6–21 mm), the narrowest diameter was 3.7±0.7 mm (range: 2–7 mm). The mean length of the nasolacrimal sac was 11.8±2.5 mm (range: 6–18 mm). The width of the nasolacrimal sac did not exceed 4 mm unless filled with air. In 43 (29.3%) of the subjects air was visible within the nasolacrimal sac or duct. The knowledge of the morphometry of the lacrimal drainage system enables the ophthalmologist to plan intervention on the lacrimal drainage system precisely and avoid unnecessary manipulations.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-0509
    Keywords: Key words: Spiral CT—Paraduodenal hernia—Gastrointestinal tract.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. A 26-year-old man with acute deterioration of recurrent abdominal pain was admitted to the hospital. Plain film (abdominal radiographs), spiral computed tomography (CT), and barium contrast studies were performed. A left paraduodenal hernia causing acute jejunal obstruction was identified on upper gastrointestinal barium studies and spiral CT. Pre- and postsurgery examinations were compared, and relevant radiological findings were identified. Spiral CT provided excellent visualization of the pathognomonic displacement of the inferior mesenteric vein. RID=""ID=""〈e5〉Correspondence to:〈/e5〉 G. J. Schaffler
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-1920
    Keywords: Lumbar disk surgery ; Vascular complications ; Angiography ; Computed tomography ; Sonography ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Vascular injuries in lumbar disk surgery, although rare, are serious complications which may be overlooked due to a broad range of clinical manifestations. It is important that surgeons and radiologists be aware of these potentially fatal complications and develop an appropriate symptom-based diagnostic paradigm. We reviewed 8099 consecutive cases of lumbar disk surgery, performed over a 14-year period at a single institution, for postoperative vascular complications. We identified four patients (0.05%) with lumbar disk surgery-related vascular complications: intraoperative lacerations of the abdominal aorta and median sacral artery, an arteriovenous fistula between the left common iliac artery and vein detected 19 days postdiskectomy, and a partially thrombosed aortic aneurysm with an arteriovenous fistula between the aneurysm and the inferior vena cava, diagnosed 11 months after surgery. The majority of cases in the literature of vascular injury in lumbar disk surgery were reported prior to 1965. Diagnostic approaches described in that period do not reflect the great range of diagnostic techniques available today. Angiography remains the gold standard for diagnosis and guidance as to surgical repair. However, a high index of suspicion based on clinical signs and/or the use of sonography or CT is important in the detection of these complications.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-1920
    Keywords: Key words Lumbar disk surgery ; Vascular complications ; Angiography ; Computed tomography ; Sonography ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Vascular injuries in lumbar disk surgery, although rare, are serious complications which may be overlooked due to a broad range of clinical manifestations. It is important that surgeons and radiologists be aware of these potentially fatal complications and develop an appropriate symptom-based diagnostic paradigm. We reviewed 8099 consecutive cases of lumbar disk surgery, performed over a 14-year period at a single institution, for postoperative vascular complications. We identified four patients (0.05 %) with lumbar disk surgery-related vascular complications: intraoperative lacerations of the abdominal aorta and median sacral artery, an arteriovenous fistula between the left common iliac artery and vein detected 19 days postdiskectomy, and a partially thrombosed aortic aneurysm with an arteriovenous fistula between the aneurysm and the inferior vena cava, diagnosed 11 months after surgery. The majority of cases in the literature of vascular injury in lumbar disk surgery were reported prior to 1965. Diagnostic approaches described in that period do not reflect the great range of diagnostic techniques available today. Angiography remains the gold standard for diagnosis and guidance as to surgical repair. However, a high index of suspicion based on clinical signs and/or the use of sonography or CT is important in the detection of these complications.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-1920
    Keywords: Key words Spinal subdural haematoma ; Magnetic resonance imaging ; Computed tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Chronic spinal subdural haematoma is a uncommon. We describe the CT and MRI appearances of chronic spinal and intracranial subdural haematomas following minor trauma. The aetiology, pathogenesis and differential diagnosis are discussed.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Der Radiologe 39 (1999), S. 584-590 
    ISSN: 1432-2102
    Keywords: Schlüsselwörter Nierenzellkarzinom ; Tumorstaging ; Spiral-CT ; MRT ; Key words Renal cancer ; Staging ; Spiral CT ; MRT
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary The routine staging work-up for renal cancer includes a contrast-enhanced multiphasic spiral CT and a chest radiograph. If there is doubt regarding the presence and extent of (supradiaphragmatic) IVC thrombus, MR imaging should be performed. Dynamic contrast-enhanced MR imaging should be used in place of CT in any patient with severe renal dysfunction, symptomatic polycystic kidney disease, or a history of allergy to iodinated contrast media. Cavography is no longer needed in the era of (adaptive array detector) spiral CT and MR venography.
    Notes: Zusammenfassung Das diagnostische Routine Work-up für das Nierenzellkarzinom-Staging beinhaltet ein mehrphasisches Abdomen Spiral-CT und ein Thoraxröntgen. Bei unklarem Spiral-CT Befund in der Fragestellung intravenöse Tumorausdehnung kann die kontrastmittelverstärkte MRT eine wertvolle diagnostische Alternative darstellen. Die primären Indikationen zur renalen MRT stellen Patienten mit absoluter oder relativer Kontraindikation für nichtionische Röntgenkontrastmittel, Patienten im Stadium der kompensierten (noch nicht dialysepflichtigen) renalen Insuffizienz und Patienten mit symptomatischer polyzystischer Nierendegeneration dar. Die konventionelle Cavographie ist im Zeitalter der (Mehrzeilen-) Spiral-CT-Venographie und MR-Venographie obsolet.
    Type of Medium: Electronic Resource
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