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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    ISSN: 1600-0714
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract. In a sample of 450 patients with oral leukoplakias, 32 used snuff, which was a Danish wet variety, Göteborg snus ® (Gothenburg Snuff). The group of snuff users consisted of males only, with a mean age of 58.4 years. The mean life exposure time lo snuff was 197,000 hours, the equivalent of 22 years of constant use. Patients with leukoplakia due lo the use of snuff experienced fewer symptoms than did patients with leukoplakia due to other unknown causes. The snuff users also tended to be older at first examination, and to have a higher alcohol intake. Histological changes characteristic of snuff-users' leukoplakias were: (1) vacuolated cells in the upper part of the spinous cell layers of the epithelium with intervening streaks of parakeratinized cells, (2) epithelial hyperplasia, and (3) hyalinized, eosinophilic deposits around salivary glands. However, statistically significant differences were not found between snuff-induced leukoplakias and other leukoplakias either as lo dysplasia observed histologically or as to malignant development.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A 27-year-old female, after a fracture of the mandible treated with osteosynthesis and after a difficult extraction, developed osteomyelitis with fistulation and sequestration. Sequestrectomy and extraction of the teeth in the osleomyelitic area did not clear the patient of symptoms. A patch test to nickel turned out to be positive. After removal of the stainless steel cerclage in the mandible, clinical and radiographic changes returned to normal within 2 and 8 weeks, respectively. It is concluded that, whenever acute treatment docs not lake priority, patch tests comprising nickel, cobalt and chromium should he performed in patterns who are candidates for metal osteosynthesis.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Tissue extracts from 18 oral carcinomas were tested in the leukocytes migration capillary technique(LMCT) against autologous leukocytes and against leukocytes of healthy matched controls. The normal range was defined as the mean migration index (MI) of the leukocytes of the normal control ±2SD. Three carcinoma patients showed significant inhibition and one was on the lower borderline on the normal range. None showed stimulation. When leukocytes of leukoplakia patients were tested against normal intesttine and two homologous oral carcinoma extracts, significantly different MI's were found between carcinoma and normal intensive. The finding are compatible with a state of tissue-specific, cellular hypersensitivity against antigenic components present in oral leukoplakia and in oral carcinoma, and is possibly common between the two.
    Type of Medium: Electronic Resource
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