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  • 1980-1984  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Pediatric radiology 14 (1984), S. 332-334 
    ISSN: 1432-1998
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Rare earth filters are known to reduce radiation dose in radiological investigations. The present investigation used Er and Sm filters that were selected because of their chemical stability and ability to withstand prolonged exposure to the atmosphere. They were used in a comparison with a conventional aluminium filter in a range of paediatric radiological procedures. Introduction of the filters instead of the conventional filter, resulted in a dose reduction of up to twofold with no discernible deterioration in image quality.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Pediatric radiology 11 (1981), S. 183-192 
    ISSN: 1432-1998
    Keywords: Childhood tumors ; Mandibular tumors ; Paramandibular tumors
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Sixteen cases of mandibular tumors or paramandibular soft tissue tumors with mandibular involvement are reported. These include such rare mandibular tumors or tumor-like conditions as melanotic progonoma, intraosseous haematoma secondary to von Willebrand's disease, post-irradiation osteosarcoma, monostotic eosinophilic granuloma, aneurysmal bone cyst and osseous hemangiopericytoma. Three cases of cherubism, one of fibrous dysplasia or aggressive fibromatosis and one of central giant cell reparative granuloma are also reported. The soft tissue tumors comprise round cell sarcoma, parotid adeno-carcinoma with generalised metastases, embryonal rhabdo-myo-sarcoma, neuro-fibro-sarcoma and congenital cystic hygroma. In all the cases the disease was well advanced when the patient presented for X-ray examination. The specific X-ray diagnosis of mandibular and paramandibular tumors in childhood is more difficult than that of similar tumors in other parts of the body.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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