1.Since the mediastinal teratoma has no specific symptoms, its definite diagnosis is difficult before surgical intervention.
因为纵膈腔畸胎瘸没有特别的徵状，所以在外科处置之前要确定诊断是很困难的。
2.Unfortunately, AD is difficult to diagnose, especially early in the disease course, and a definite diagnosis is possible only postmortem.
不幸的是，广告很难诊断，尤其是早期的病程，并确诊是可能只有验尸。
3.Gallbladder volvulus with a gangrenous change was the definite diagnosis following a celiotomy.
剖腹手术后的正确诊断是胆囊扭转并有坏疽性的变化。
4.Results PPL was a rare disease, and was hard to have a definite diagnosis for lack of specific clinical symptoms.
结果PPL为少见病，临床症状表现不典型，很难确诊。
5.For this reason, definite diagnosis must be supported by clinical, biochemical, pathologic, and other radiographic findings.
因此，鉴别诊断必须依靠临床、生化、病理及其他的放射学检查。
6.Conclusion MRA finding can suggest the diagnosis of the disease, and definite diagnosis can be combined with DSA finding.
结论MRA可提示大血管的狭窄和闭塞，同DSA相结合，可明确烟雾病的诊断。
7.and a definite diagnosis must include typical histological features.
明确诊断必须有典型的组织学特点。
8.Results: Complete biochemical data and a definite diagnosis were obtained in 1125 consecutive patients.
研究结果：在1125名患者中获得了完整的生化数据以及明确的诊断。
9.Cases of Lyme disease were made a definite diagnosis by epidemiology, clinical symptoms and serological results.
根据流行病学资料、临床表现和血清学检查结果进行病例诊断。
10.Histopathologic examination is ubiquitous to ascertain the definite diagnosis.
病理检查是无处不在，以确定明确诊断。