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肾结石应与哪些疾病相鉴别

2019-03-25 阅读量:2978次
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疾病的种类繁多,有时可能出现诊断上的差异。肾结石的诊断也需注意与其他疾病进行区分。那么,肾结石应与哪些疾病相鉴别呢?

1、胆结石:胆结石可致胆绞痛,需与右侧肾绞痛相鉴别。胆结石合并有胆囊炎时,可能出现右上腹部持续性疼痛,阵发性加剧,墨菲征阳性。右肋缘下有时可有触痛。胆结石病人尿常规检查一般正常,B超检查有助于诊断。

2、肾结核:肾结石合并有梗阻和感染时需与肾结核相鉴别。肾结核往往有慢性膀胱刺激症状;尿中可见脓细胞;有时伴有肺结核或肾脏的结核病灶;膀胱镜检查可见相应病变。钙化型肾结核在平片可见钙化阴影。肾结核造影的早期X线表现为肾盏边缘不整齐,严重者可见肾盏闭塞、空洞形成等。

3、海绵肾:海绵肾患者的肾髓质集合管呈囊状扩张。本病出生时即存在,但通常到成年后因发生结石或感染等合并症才被发现。集合管扩张可能增加结石和感染的风险。腹部平片可见肾区内成簇的多发性结石。静脉肾盂造影见到的髓质集合管呈扇状囊状扩张为诊断依据之一。

4、肾盂肿瘤:肾盂肿瘤多为乳头状瘤。该病多在40岁以后发生。早期可表现为无痛性血尿;晚期因肿瘤增大,造成梗阻时可出现肿块。尿沉渣检查有时可见异常细胞。在造影片上可见充盈缺损,需与透X线结石鉴别。CT和B超可协助鉴别。

疾病的诊断对于后续处理方案的制定具有重要意义。因此,医生在诊断时会审慎对待。上文的内容介绍了肾结石需与哪些疾病进行鉴别。

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2019-03-25

肾结石应该做哪些检查

2019-03-25

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