术前

Results All cases were misdiagnosed before operation and were cured with antituberculosis drugs after operation.

结果全部病例术前均误诊，术后病检证实，抗结核治疗治愈。

The direct sign of acute appendicitis is appendicular swelling.

为探讨B超对急性阑尾炎术前的诊断价值，回顾性分析56例经手术和病理证实的急性阑尾炎。

The authors consider that rectoscopic examination and biopsy are important method to diagnose rectal carcinoid tumors preoperatively, in addition, for suspicious case, argentation and immunohistochemistry staining should be further made besides routine HE staining.

作者认为，直肠镜检查是术前发现直肠类癌的重要手段，对可疑病变行活检时，除常规行HE染色外，应加做嗜银染色、亲银染色以及免疫组化检查。

The results suggested that dual atrioventricular nodal pathways in patients with long PR have some electrophysiologic characteristics of their own and the radiofrequency ablation of slow pathway is safe and effective in these patients.

比较两组射频消融术前的电生理参数（表1）、射频消融对这些参数的影响和射频消融的成功率、并发症。

The affected vertebra height and Cobb's angle were restored satisfactorily,the Cobb's angle was revised from avera ged 28.5°(11.5°～42°) preoperatively to averaged 4.5°(0~11.5°) postoperatively.

结果 术后随访7～36个月，平均随访17个月。术后伤椎高度和Cobb角均有满意的恢复，Cobb角由术前的平均28.5°（11.5°～42°），矫正到术后约4.5°（0°～11.5°）。

Methods: The corneal thickness was measured before and 1,3,6,12 and 24 months after PRK with an DGHA biometer; the grades of Haze after PRK were examined with a slit-lamp biomicroscope.

采用美国DGHA型生物测量仪测量PRK术前及术后1、3、6、12与24月的角膜中心厚度，显微裂隙灯下观察PRK术后角膜雾状混浊的情况。

Methods Immunoreaction of frozen allograft was studied in 21 cases of bone tumors by detection of T－ lymphocytes, complements and circulating immune complex at 4 days preoperatively and 14,28 days postoperatively in 15 cases, bone scans of 99mTe SPECT at 3,6,9, 12,24,26,48 mouths in 7 of aforementioned 15 and another 3, and biomicroscopy in 3 cases.

本组21例，男9例，女12例；年龄19～59岁，平均30.5岁。15例分别于术前4d及术后14、28d检测其空腹外周血各项免疫学指标，其中7例及另外3例分别于术后3、6、9、12、24、36、48个月进行同位素骨扫描检查，结合3例组织学检查综合观察21例大块冷冻同种异体骨移植后的免疫反应。

To evaluate the diagnostic value of biphasic incremental spiral CT in preoperative TNM staging of gastric cancer.

目的 评价螺旋CT(spiral CT， SCT)双期增强扫描在胃癌术前诊断和分期中的价值。

Our incidence of RD by bradypnea is significantlyhigher than the 1%– 2% incidence in the literature, usingthe same threshold criteria but more stringent duration criteria,while our incidence of RD based on desaturation is consistentwith previous estimates.

我们的研究中，应用相同的域值标准和相对较严格的持续时间标准，与呼吸抑制相关的呼吸缓慢的发生率比文献报道中高出1％到2％，我们通过低氧饱和度监测呼吸抑制的发生率与术前评估的结果是一致的。

Results: Of the 26 cases, there were 8 cases with acute osteomyelitis, 12 cases with chronic osteomyelitis and 3 cases with Brodie's abscess and chronic sclerosing osteomyelitis, respectively.

结果：26例中急性骨髓炎8例，慢性骨髓炎12例，骨脓肿和硬化性骨髓炎各3例，术前诊断正确仅20例，3例误诊为恶性骨肿瘤，3例误诊为良性骨肿瘤或肿瘤样病变。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。