男性新生儿,脐带脱落后,残端经常有脓性分泌物,经久不愈。查体:脐部肉芽肿,周围皮肤有红肿、糜烂。化验血白细胞不增高。最可能的诊断是()。 ["脐茸","脐瘘","新生儿脐炎","脐窦","新生儿皮下坏疽"]
下面有关椎管内脊膜瘤的描述中,哪项是正确的()。 ["因肿瘤刺激神经根,神经根疼痛较常见","肿瘤最常发生在颈段","常呈哑铃形生长","CT或MRI增强扫描可见较宽的肿瘤基底部","与神经鞘瘤相比,脊膜瘤术后不容易复发"]
关于扩张型心肌病正确的是()。 ["易发生猝死","预后较好","发病女性多于男性","以心脏扩大为主","病死率较高"]
下列哪项不是花斑癣的特点?() ["由马拉色菌所致","好发于颈、胸、肩背等处","皮损可为淡褐色或白色斑疹","直接镜检可见长菌丝","一般无自觉症状"]
骨盆骨折常并发() ["缺血性肌挛缩","褥疮","膀胱尿道损伤","周围神经损伤","缺血性骨坏死"]
慢性乙型病毒性肝炎活动期免疫学指标有哪些变化?