The Medical journal of Australia
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Four years' experience of screening well women for breast cancer by mammography is described. Twenty-six cancers were detected in 11,927 women (2-2 per 1,000), of which 20 were unsuspected by the patient and 12 were impalpable. Of the 26 cancers detected, 18 had no histological evidence of tumour in axillary lymph nodes, and 10 were impalpable and had unaffected axillary nodes. Four patients whose mammograms did not suggest malignant disease were subsequently found to have cancer, within 12 months.
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Comparative Study
Incidence of antibiotic-related diarrhoea and pseudomembranous colitis: a prospective study of lincomycin, clindamycin and ampicillin.
An existing intensive drug monitoring system was used to study the occurrence of pseudomembranous colitis and diarrhoea in 100 patients treated with lincomycin and clindamycin. In order to give perspective to the results an equal number of matched patients treated with ampicillin were also studied. ⋯ One patient developed pseudomembranous colitis associated with two prolonged courses of lincomycin therapy. The results suggest that the risks associated with the use of lincomycin are acceptable if the drug is given for the approved specific indications.
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The design of motor cycle helmets has been changing over the years and at the present time there are two basic types in popular use: "full-face" and "jet" helmets. Both helmet types give good protection to the brain, but, one would think, different degrees of facial protection. ⋯ The study also indicated that the wearers of full-face helmets have no greater risk of involvement in road traffic crashes than do the wearers of jet helemts. It is suggested that the use of full-face helmets should be encouraged and consideration given to the revision of helmet standards to require the provision of facial protection.