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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 9 (1987), S. 95-105 
    ISSN: 1279-8517
    Keywords: Mediastinum ; MRI ; Anatomic sections
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé 10 volontaires présentant un médiastin normal ont été explorés en Résonance Magnétique avec un imageur CGR 0,5 Tesla à aimant supraconducteur. La matrice de reconstruction est constituée par une grille de 256×256 pour un champ de l'ordre de 420 mm, soit une résolution spatiale de 1,6×1,6 mm2. Les coupes pondérées en T1 ont été réalisées en synchronisation sur l'ECG. Les coupes sagittales jointives sont corrélées à des coupes anatomiques sagittales réalisées sur un même sujet embaumé et congelé. Coupes IRM et coupes anatomiques sont réalisées tous les 5 mm et sont référencées par rapport au plan sagittal médian du médiastin. Des exemples de variations morphologiques, de malformations ou de tumeurs étudiées en coupes sagittales (extraits des examens de plus de 170 malades) montrent l'intérêt de cette incidence d'exploration.
    Notes: Summary Ten volunteers with a normal mediastinum were investigated by magnetic resonance using a 0,5 Tesla CGR imager with a supraconducting magnet. The reconstruction matrix consisted of a 256×256 grating for a field of the order of 420 mm, with a spatial resolution of 1.6×1.6 mm2. The sections, balanced in T1, were performed in synchronization with the ECG. The successive sagittal sections were correlated with sagittal sections made on a single embalmed frozen subject. The MRI and anatomic sections were made at 5 mm intervals and located in relation to the median sagittal plane of the mediastinum. Examples of structural variations, malformations or tumours studied in sagittal sections, and taken from investigation of over 170 patients, demonstrate the importance of this investigational technique.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1084
    Keywords: Key words: Pulmonary embolism, CT – Paradoxical embolism, CT – Aorta, thrombosis – Renal artery, thrombosis – Kidney, infarction –
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. We report the case of a 60-year-old woman with a recent history of a cerebrovascular accident. Because of clinical suspicion of pulmonary embolism and negative Doppler ultrasound findings of the lower limbs, spiral computed tomography of the pulmonary artery was performed and demonstrated pulmonary emboli. We emphasize the role of computed tomography of the abdomen, performed 3 min after the thoracic acquisition, which showed an unsuspected thrombus within the abdominal aorta and the left renal artery with infarction of the left kidney. Paradoxical embolism was highly suspected on computed tomography data and confirmed by echocardiography which demonstrated a patent foramen ovale.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1084
    Keywords: Key words: Three-dimensional CT ; Helical technology ; Computer-diagnostic aid ; Bronchi ; Trachea ; Stenosis ; Obstruction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The purpose of this study was to determine the feasibility of using virtual bronchoscopy simulations to depict stenoses of the tracheobronchial tree. Virtual bronchoscopy simulations, based on ray casting, were applied to spiral-CT data sets of 29 patients presenting 41 stenoses of the central airways, proved with fiberoptic bronchoscopy. Simulations of the inner walls of the airways were of good quality in 27 of 29 patients. Airway stenoses were depicted in 39 of 41 cases. Evaluation of the length of stenoses and surrounding tissues required simultaneous display of multiplanar reformations. Virtual bronchoscopy provides a valuable road map for bronchoscopy, in an image format familiar to bronchoscopists.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-1084
    Keywords: Key words: Vena cava ; Stenosis ; Obstruction ; Interventional procedure ; Neoplasm ; Grafts and prosthesis ; Thrombolysis ; CT
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The aim of this study was to report our experience on the management of superior vena cava obstruction (SVCO) secondary to malignant disease, using endovascular procedures. Twenty-six patients with SVCO due to primary or secondary tumors of the lung or the mediastinum, or catheter inserted for treatment of an extra-thoracic neoplasm, had an endovascular therapy which consisted of stenting, angioplasty, thrombo-aspiration or local fibrinolysis. Immediately after the procedure, rapid relief of symptoms occurred in 24 (90 %) of the patients. The mean Kishi's score decreased from 5.5 to 0.96. Immediate complications included one death related to pericarditis bleeding following fibrinolysis. Three patients relapsed after 20 days, 4 months and 6 months, and needed a second stenting. At 6 months the primary patency rate was 83 % and the secondary patency rate was 89 %. Endovascular treatment of SVCOs is a simple and safe procedure to restore the patency of the superior vena cava in malignant SVCO. It should be indicated in most cases as first-line treatment and performed as early as possible.
    Type of Medium: Electronic Resource
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