| 1. | Preoperative diagnosis should be considered when patients complain of inguinal mass reduction after micturition
当病患抱怨解尿后腹股沟肿块消退，就必须在术前考虑此诊断。 |
| 2. | No patient was diagnosed correctly before surgery , and five ( 62 . 5 % ) had a preoperative diagnosis of acute appendicitis
没有一位在术前诊断，而有5位术前诊断为急性兰尾炎。 |
| 3. | The patients with leiomyosarcoma are younger and have better prognosis , but the rate of preoperative diagnosis is low
（ 4 ）年轻、分期较早的子宫平滑肌肉瘤患者的预后最好。 |
| 4. | Recently , ct has demonstrated the importance of preoperative diagnosis of early or partial obstruction and closed - loop obstruction
近来表明ct对术前诊断早期或部分性梗阻和闭合性梗阻具有重要的价值。 |
| 5. | Clinicians who treated such patients should be aware of this problem because of the difficulty of preoperative diagnosis
临床医疗人员在处理这类病患时必须注意到这个问题，因为此疾病在手术前之诊断不易。 |
| 6. | Conclusions : low sensitivity in imaging studies makes the preoperative diagnosis for renal angiomyolipomas more difficult especially for tumors with a lower fat content
特别是某些肾脏血管肌脂肪瘤所含脂肪成分太少增加诊断的难度。 |
| 7. | Ultrasound , ivu , cystoscopy and retrograde ureteropyelography were used to make the preoperative diagnosis . results : open surgery has been undertaken in all cases
方法：对原发性输尿管恶性肿瘤33例作了回顾性分析，比较了各种检查手段。 |
| 8. | Preoperative diagnosis is difficult because clinical symptoms may range from intermittent and mild digestive complaints to acute - onset intestinal obstruction
由于腹内疝的临床症状的表现差别很大，可以是间歇性和轻度消化不适，也可以表现为急性发作的肠梗阻，所以术前诊断很困难。 |
| 9. | Reviewing of the literature indicates an accurate preoperative diagnosis of such fatty tumor is allowed by analysis of patient ' s age , tumor location , and characteristic ct pictures
对于含脂肪肿瘤的?别诊断，在获知病人的年龄和肿瘤的位置，并且在影像检查中知道是否有钙化，囊中和坏死，往往可在手术前便能作出一个正确的诊断。 |
| 10. | Preoperative diagnoses included osteoarthritis in 14 , rheumatoid arthritis in 3 , tuberculosis in 1 , avascular necrosis of talus in 3 , and 4 equinus deformity due to miscellaneous causes
这24位病患其术前的认断包括有：退化性关节炎14例，类风湿关节炎3例，结核性关节炎1例，距骨缺血性坏死3例，及4位因为各种原因所造成的马足性足变性。 |
