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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of radioanalytical and nuclear chemistry 115 (1987), S. 211-216 
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Gamma-ray measurements have been performed on biofuel samples using a planar intrinsic Ge detector. The samples were first homogenized and then packed into 90 ml plastic tubs. The radiation from each sample was usually measured for 1 to 2 days. The intensity of the 63.3 keV γ-ray in234Th was used to determine the amount of238U present. The amount of235U can be determined from the intensity of the 143.8 keV γ-ray.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1434-3916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Four hundred and thirty femoral trochanteric fractures operated with nail-plate (McLaughlin), Ender, or sliding screw-plate (Richard) osteosynthesis were followed up radiographically and clinically. For each method of osteosynthesis the initial nail position was correlated to the occurrence of late mechanical complications. Unstable fractures were associated with a higher incidence of one or more clinical complications such as repeated surgery, post-operative death, or increased pain. For Ender osteosynthesis correlations were found between several mechanical and clinical complications, while for Richard's osteosynthesis mechanical complications were significantly correlated to repeated surgery only. McLaughlin and Ender osteosyntheses had a higher incidence of reoperations than Richard's osteosynthesis, whereas the mobility and ADL function were the same at 4 months.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-5195
    Keywords: Tumours ; Soft-tissue ; Preoperative diagnosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé En l'espace de trois ans, en Suède méridonale, on a rassemblé 35 malades porteurs de sarcomes profonds des membres, sans métastases. Trente d'entre eux ont été adressées avant toute intervention. Pendant la même période 37 patients présentant des tumeurs bénignes profondément situées ont été adressés pour suspicion de malignité. Dans 59 de ces 67 cas, un diagnostic pré-opératoire, suffisant pour déterminer le type d'intervention à réaliser, a été obtenu grâce à l'examen clinique, à l'examen radiologique et à la cytologie par ponction biopsie, mais sans biopsie opératoire. La distinction entre tumeur bénigne et maligne s'est révélée exacte dans tous les cas sauf un. L'étendue de l'excision nécessaire pour délimiter correctement un sarcome des parties molles peut souvent être réduite si la biopsie pré-opératoire a été évitée, permettant la conservation de la fonction. Les auteurs concluent que le traitement des malades porteurs de sarcomes des parties molles est possible dans la grande majorité des cas sans qu'il faille recourir à la biopsie chirurgicale.
    Notes: Summary Over a period of 3 years in Southern Sweden 35 patients were seen with deep-seated limb sarcomas without metastases, 30 of whom were referred before any operation had been carried out. Thirty seven patients with deep-seated benign lesions were referred during the same period because of suspected malignancy. A preoperative diagnosis considered sufficient for a definitive operation was made from the clinical findings, aspiration cytology and radiographic examination, but without open biopsy, in 59 of these 67 cases. The differentiation between a benign and a malignant tumour was correct in all but one. The extent of excision necessary to achieve adequate margins for a soft-tissue sarcoma can often be reduced if open biopsy is avoided, with preservation of function. We conclude that treatment without open biopsy is possible in the great majority of patients with soft-tissue sarcoma.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-2161
    Keywords: Magnetic resonance imaging ; Musculoskeletal neoplasms ; Computed tomography of musculoskeletal neoplasms
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In 31 patients with 21 soft tissue and 10 bone tumors, magnetic resonance imaging (MRI) and computed tomography (CT) were equally effective in delineating the margins of most soft tissue tumors, and the margins of bone tumors from fat and adjacent normal bone. However, MRI was superior to CT in delineating bone tumors from adjacent muscle, and in showing the relationships to bone of the deep margins of some soft tissue tumors. This was true because the quality of CT images around thick cortical bone often was severely degraded by streak artifact, which does not occur in MRI. Excellent anatomic detail was achieved on MRI by spin echo pulse sequences with short repetition times. Bone tumors were delineated best by spin echo 1000/30 images, and soft tissue tumors by spin echo 1000/30 or inversion recovery images.
    Type of Medium: Electronic Resource
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