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男性,30岁,患者在组织学证实为卡氏肺孢子虫肺炎后用戊烷脒静注治疗3周,期间出现脑弓形虫病。经CT扫描发现有环形增强病变,血清弓形虫抗体阳性。经乙胺嘧啶和磺胺嘧啶治疗后好转,但发生皮疹,改用氯洁霉素代替磺胺嘧啶治疗,不仅未改善,而且对乙胺嘧啶发生更明显过敏,则单独用磺胺嘧啶作抑制疗法,但亦出现过敏反应。因停用药物,导致弓形虫病复发。再用乙胺嘧
Male, 30 years old, with histopathology confirmed as Pneumocystis carinii pneumonia After intravenous pentamidine for 3 weeks, a toxoplasmosis occurred. Cyclic enhancement lesions were found by CT scan, and the serum Toxoplasma gondii antibody was positive. After pyrimethamine and sulfadiazine treatment improved, but the occurrence of rash, use clindamycin instead of sulfadiazine treatment, not only did not improve, and more pronounced allergic to pyrimethamine, sulfadiazine alone for inhibition therapy, but Allergic reactions also occur. Due to the withdrawal of drugs, leading to recurrence of toxoplasmosis. Then use pyrimethamine