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患儿女,11岁。突发下腹痛5小时来院就诊,伴排尿困难。查体:生命体征平稳,腹软,未触及包块,压痛、反跳痛不明显,麦氏征阴性。妇科检查不配合。妇科B超提示右附件见囊性包块,直径约8cm,伴脂肪分层,考虑'右附件畸胎瘤伴扭转'收入院。患儿入院后自述间歇性腹痛,疼痛时难以忍受,追问病史,患儿两月前曾感觉下腹隐痛,乳房已发育两年,但无月经初潮,下一步处理首选A、行盆腔CT检查 B、给予50mg肌内注射 C、立即行术前准备,行开腹探查术 D、立即行术前准备,行腹腔镜检查术 E、安慰患儿,配合行妇科检查 妇科检查见、阴唇发育正常,但无阴道口,直肠-腹部诊检查盆腔未触及明显包块,直肠前方饱满感。最有可能的诊断是A、右卵巢畸胎瘤伴扭转 B、盆腔包块破裂 C、黄体破裂 D、先天性无阴道经血潴留 E、盆腔肿物 复查B超提示可见子宫,未见阴道,下一步处理措施为A、行人工阴道成形术 B、即刻行腹腔镜检查 C、B超引导下穿刺置管引流 D、处穿刺引流 E、密切观察,暂不处理
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