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5/50 HPF and 11.1% less than 5/50HPF. 33.3% of the tumors showed necrosis. 8 tumors had malignant behavior during 13-yrs follow up. Immunoreactivity for c-kit, SMA, chromogranin, synaptophysin, desmin and S100 were 83.3%, 69.4%, 44.4%, 41.6%, 50% and 0%, respectively. The decreasing rank order of differentiation forms were neural, smooth muscle, dual and null. Most of our tumors were in high risk group and most of the high risks were intestinal with neurogenic differentiation. Conclusion: Immunostaining including c-kit is necessary to study the differentiation of gastrointestinal stromal tumors.Iran J Med Sci 2006; 31(1): 14-17. Keywords ● ]]>
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300mg/24h. IgG and IgM anticardiolipin antibodies were measured by immunoassay methods and Teclot kits for lupus-like anticoagulant antibodies were used. In normal pregnant women, 6% had lupus-like anticoagulant antibody, 12% had IgG anticardiolipin antibody, and 26% had IgM anticardiolipid antibodies. In preeclapsia, 8% lupus-like anticoagulant antibody, 4% had IgG anticardiolipin antibody, and 30% had IgM anticardiolipid antibodies. Despite the evidence of prothrombotic state during preeclampsia, it is unlikely that antiphospholipid antibodies represent as a risk factor for preeclampsia among women without the history of thrombosis or autoimmune diseases. ]]>
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