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要评价、研究某种新的诊断方法对某种疾病的诊断价值时,首先就要选择诊断该疾病的金标准。金标准是指在当时现有的条件下,对某种疾病公认的可靠的权威的诊断方法。临床常用的金标准包括病理学检查(各种活检和尸检)、外科手术所见、特殊的影像学检查以及经长期随访在临床上获得的肯定结论,或者是其他的一些在临床工作中获得公认的诊断标准。如对冠心病的诊断金标准是冠脉造影,诊断肾炎的金标淮是肾脏活组织检查,诊断胆结石的金标准是手术所见,一般诊断肿瘤
To evaluate and study the diagnostic value of a new diagnostic method for a disease, it is first necessary to choose the gold standard for the diagnosis of the disease. The gold standard is a definitive, reliable, and authoritative method of diagnosing a disease under existing conditions at the time. Commonly used gold standard in clinical practice includes pathological examination (various biopsies and autopsy), surgical findings, special imaging studies, and positive clinical findings obtained through long-term follow-up or other clinical trials Diagnostic criteria. If the diagnosis of coronary heart disease gold standard coronary angiography, diagnosis of nephritis gold standard Huai is kidney biopsy, the gold standard for diagnosis of gallstones is seen in surgery, the general diagnosis of cancer