Mitral stenosis, intercourse, and hemoptysis.
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Biomedical subjects
Publications and source records attributed to W P Thompson.
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The casee presented here may be the first fully identified and verified cas of translocation 4p-- syndrome, a B4/G22 translocation, ie, 45,XX,-4,-22,+t(4q 22q). Thirty-nine other cases of the 4p--syndrome, including one other possible translocation case, have been found in the medical literature. Conventional chromosome studies cannot distinguish between 4p-- (Wolf) syndrome and 5p-- (cri-du-chat) syndrome, and the clinical features, as in our case, may not be sufficiently characteristic to permit differentiation. The newer chromosome banding techniques have made specific identification possible.
A case of delayed hemolytic transfusion reaction in a 43-year-old patient is presented. Pretransfusion tests revealed no antibody, but tests performed when the reaction occurred demonstrated four. Ten months and 15 months later, when the patient's serum was again tested, the antibodies were undetectable. The significance of such antibodies is discussed.
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