If treatment is started prior to the lumbar puncture it may be difficult to grow the bacteria from the spinal fluid and confirm the diagnosis.
如果在腰椎穿刺之前开始治疗，可能很难培养出脊髓液中的细菌并确诊。
2
In other words, heart disease almost always has established itself prior to the diagnosis of type 2 diabetes.
换句话说，心脏病的危险因素，是先于诊断2型糖尿病之前就出现了。
3
The researchers found that women considered "underweight" or "obese," or who had increased abdominal obesity prior to cancer diagnosis seemed to face a greater risk of mortality.