Veillonella parvula septicemia and osteomyelitis.
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Biomedical subjects
Publications and source records attributed to M Baker.
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A young male patient is described with acute leukaemia whose bone marrow and peripheral blood contained abundant cells of the eosinophilic series in all stages of maturation. These cells, proven histochemically to be true eosinophils, were abnormal in both maturation and proliferation. Upon electron microscopic study of bone marrow and peripheral blood, abnormalities in the eosinophilic series were identified as early as the promyelocytic stage as well as in the most mature eosinophil seen. The clinical and morphologic picture of this patient's disease raises the possibility of this being an acute eosinophilic leukaemia.
The cells in synovial fluid from patients with rheumatoid arthritis contain a small percentage of macrophages. Such macrophages were isolated and cultured alone and with homologous and heterologous lymphocytes for 24 hours, in an attempt to identify possible contact between living lymphocytes and macrophages. Such contact was found, with clustering of lymphocytes around macrophages, and was particularly well shown by scanning electron microscopy.
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Ixodes (Afrixodes) drakensbergensis n. sp., is described from females, males, nymphs and larvae collected on a drag at Giant's Castle Nature Reserve, Natal, Republic of South Africa; it was also taken from an eland in the same area and from goats and a cow in the adjacent Tank Area 118. The occurrence of I. (A.) drakensbergensis on domestic animals suggests that it may be of economic importance in this area. Information is provided to separate the new species from other closely related Ixodes species that occur or may occur in this region.
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The second patient with Arizona gastroenteritis to be diagnosed in Britain had just returned from the United States, where his illness began.
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