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    Mcintyre, M N, 1410588

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    This record was harvested from a previous catalogue system and will be withdrawn in 2025. Information in this record may be superseded or incomplete. Visit this record in UMA's new catalogue at: https://archives.library.unimelb.edu.au/nodes/view/403563Surname: MCINTYRE. Given Name(s) or Initials: M N. Military Service Number or Last Known Location: 1410588. Missing, Wounded and Prisoner of War Enquiry Card Index Number: V-1148.224987 Item: [2016.0049.35856] "Mcintyre, M N, 1410588

    Acid-fast bodies in faecal smears stained by the modified Ziehl-Neelsen technique

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    The modified Ziehl-Neelsen (ZN) stain has proved useful in the laboratory diagnosis of cryptosporidiosis and, more recently, for the laboratory diagnosis of cyclospora. Apart from cryptosporidia and cyclospora, many other organisms and artefacts are present in faeces, and may be seen in faecal smears stained by the modified ZN method. Described here is the presence of such organisms and artefacts in faecal samples submitted to the routine microbiology laboratory of a district general hospital. Over 6000 faecal smears were examined using the modified ZN method, with an incidence of cyclospora and cryptosporidium of approximately 0.1% and 1%, respectively. Other organisms and artefacts were observed, with an incidence ranging from 0.1% to 1%. It is emphasised that the identification of known gastrointestinal tract pathogens should not rely solely on the results of their staining reactions. It is essential that criteria such as morphology and size be taken into account to differentiate organisms with similar staining reactions.</p

    The incidence of Cyclospora cayetanensis in stool samples submitted to a district general hospital

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    Cyclospora cayetanensis is the cause of a prolonged diarrhoeal syndrome. In the UK most cases are seen in travellers who have returned from countries in which the organism is endemic. The purpose of this investigation was to determine the incidence of C. cayetanensis in stool samples submitted to a district general hospital. A total of 6151 stools from 5374 different patients were screened for the presence of C. cayetanensis over a 1-year period using the modified Ziehl-Neelsen technique. Oocysts of C. cayetanensis were found in 7 stools (0.1%) from 4 patients (0.07%). All four patients were adult travellers who had visited countries in which C. cayetanensis is known to be endemic. In the population of this study, C. cayetanensis was found to be a rare cause of diarrhoea. Although C. cayetanensis infection should be considered in individuals of all ages who have lived in, or have travelled to endemic areas, there is no need to screen stool samples for the organism in those without such a travel history.</p

    Typing of proteus from patients with bacteriuria

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    Forty-five strains of Proteus mirabilis isolated from hospital in-patients, out-patients and community patients with significant bacteriuria, were investigated to determine whether a predominant type was present using the Dienes test. Antimicrobial susceptibility patterns of the 45 strains of Proteus mirabilis were also determined. There were 38 different Dienes types which shows that there is no predominant type of Proteus amongst the isolates examined in this study. This suggests that there is no predominant type of Proteus mirabilis in the community and hospital acquired bacteriuria. The antimicrobial susceptibility pattern of an isolate was not a useful marker for typing because susceptibility patterns between different Dienes types were so similar.</p

    Modified detergent Ziehl-Neelsen technique for the staining of Cyclospora cayetanensis

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    Cyclospora cayetanensis is a cause of prolonged diarrhoea, mainly in travellers. Laboratory diagnosis may be achieved by a number of methods such as the staining of faecal smears by the modified Ziehl-Neelsen (ZN) technique. Safer methods using this technique have been described for the staining of acid fast bacilli and cryptosporidia by replacing the phenol content of the carbol fuschin stain with various concentrated detergents. In this report the technique was modified slightly using a non-concentrated detergent and applied to the staining of oocysts of C cayetanensis. It was found that oocysts of C cayetanensis do not stain using the modified detergent ZN method when compared with similar preparations containing oocysts of Cryptosporidium spp.</p
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