目的 前瞻性探讨三维增强磁共振血管成像(3D CE-MRA)技术在显示骶前区血管的可行性。方法 选取40例因盆腔病变常规行MRI检查的成年患者,采用ACHIEVA 3.0T双源磁共振扫描仪对患者盆腔骶前区血管行DCE-MRA扫描,利用后处理工作站采用最大密度投影(MIP)及容积再现重组(VR)进行血管重建成像以最佳显示骶前区动脉及静脉,主要观察骶前区血管的影像学解剖。结果 40例骶正中动脉均显示清晰,成功率为100%;骶正中动脉均开口于腹主动脉分叉后上方,沿骶骨前面走行至尾骨尖,管径平均为(1.42±0.06)mm(1.30 mm～1.50 mm);骶前区静脉显示率为75%(30/40),可见骶前区静脉呈阶梯状分布。结论 应用3D CE-MRA可以清晰显示部分骶前区血管,可为骶前区手术提供个体局部影像学解剖信息。

Objective To explore the feasibility of three-dimensional enhanced magnetic resonance angiography (3D CE-MRA) in the presacral blood vessels. Methods 40 adult patients with pelvic lesions were examined by ACHIEVA 3.0T dual-source magnetic resonance scanner. DCE-MRA was used to scan the pelvic sacral anterior vessel. The maximal density projection (MIP) and the post volume reproducibility (VR) were reconstructed for optimal reconstruction of the anterior sacral arteries and veins, primarily to observe the anatomy of the anterior sacral vessels. Results 40 cases of sacral median artery were clear, the success rate was 100%; the sacral median arteries open in the abdominal aorta bifurcation after the top along the sacrum to the coccyx tip, the average diameter of (1.42±0.06) mm (1.30 mm-1.50 mm); the rate of the presacral venous display was 75% (30/40), showing that the anterior sacral vein was ladder-like distribution. Conclusion The application of 3D CE-MRA can clearly show some presacral blood vessels, which may provide individual local anatomical information for sacral precancerous surgery.

目的 根据巨脑回畸形的病理特点,对比其它影像检查,研究该病的超声特点,探讨新生儿期巨脑回畸形的超声诊断价值。方法 对5例新生儿巨脑回畸形的患儿的超声资料进行分析。结果 5例超声检查均表现为大脑脑回明显宽大,脑沟、脑回稀少,皮层明显增厚,大脑表面光滑,且5例均伴有不同程度的其它颅脑畸形。结论 新生儿巨脑回畸形具有一定的超声特征,超声检查在新生儿巨脑回畸形的诊断中具有重要的价值。

目的 探讨动力髋螺钉(dynamic hip screws,DHS)内固定与股骨近端解剖钢板在不同类型股骨粗隆间骨折中的应用价值。方法 研究对象取自于我院2013年11月—2014年11月收治的76例不同类型股骨粗隆间骨折患者,按随机数字表法分为对照组与观察组。对照组采用DHS内固定治疗;观察组用股骨近端解剖钢板治疗。统计两组患者手术时间等手术指标,记录并发症发生情况,随访6个月调查患者骨折愈合优良率。结果 观察组手术时间、术中出血量及术中输血量[(83.6±13.8)min、(236.5±27.3)mL和(208.3±86.6)mL]均优于对照组(P<0.05);较对照组,观察组术后并发症发生率13.2%低,骨折愈合优良率81.5%高,两组比较差异有统计学意义(P<0.05)。结论 为确保获得理想治疗效果,临床应结合股骨粗隆间骨折患者的骨折类型选择合适方法。股骨近端解剖钢板手术时间短、术中出血量少,术后并发症发生率低,优势更明显。

目的 探讨纳洛酮联合亚低温对急性CO中毒迟发性脑损伤脑神经功能改善的作用。方法 选取本院诊治的急性CO中毒迟发性脑损伤患者63例,采用随机数字表法分为A、B、C三组,采用相关工具评定患者的昏迷状况、日常生活能力及患者的运动功能,比较三组患者的治疗效果、不良事件情况。结果 治疗后,三组患者GCS评分、日常生活能力评分、运动功能评分均升高。治疗效果:B组高于A组,C组高于A组和B组,不良事件发生率:B组低于A组,C组低于A组和B组,差异均有统计学意义(P＜0.05)。结论 纳洛酮联合亚低温治疗可明显改善急性CO中毒迟发性脑损伤患者的脑神经功能,可提高患者的日常生活能力与运动功能,治疗效果好且不良事件少,有较高的安全性,值得临床推广使用。

目的 对儿童化学发光免疫检验中标本量过少时的稀释方法分析。方法 选取我院2013年5月—2015年5月儿童常规筛查项目50例血清三碘甲状腺原氨酸(TT3)检测为例,其稀释介质分别采用TT3定制液S0、医用蒸馏水以及0.9%氯化钠,对其实施手工2倍(1∶1)和4倍(1∶3)稀释后,对比分析稀释后结合和原始数据差异。结果 结果和原始数据对比,2倍、4倍稀释S0组以及2倍医用蒸馏水稀释结果差异不大,对比没有统计学意义(P＞0.05),其与各组均差异显著(P＜0.05)。结论 在儿童血清三碘甲状腺原氨酸检测中对其实施2倍、4倍稀释S0以及2倍医用蒸馏水稀释能够满足医学检验需求,值得推广应用。

目的 构建吉西他滨耐药乳腺癌细胞4T1耐药株并建立裸鼠乳腺癌肝转移模型。方法 采用低浓度加量持续诱导法,诱导吉西他滨耐药乳腺癌细胞4T1耐药株,命名为4T1/Gem;CCK-8法测定4T1与4T1/Gem细胞的增殖抑制率,计算耐药指数; Western blot法检测细胞P-gp蛋白表达;B超引导下注射4T1/Gem细胞悬液诱导裸鼠肝脏成瘤;HE染色观察肿瘤组织病理情况,免疫组化法检测瘤组织ER、PR、HER2、Ki-67和P-gp蛋白的表达。结果 经过14个月的诱导成功建立4T1/Gem细胞株,可在含40 μg/mL的Gem培养液中稳定生长。4T1/Gem细胞耐药指数为4T1细胞的788.547倍。与亲代相比,4T1/Gem处于G1期和G2期的细胞增加,S期细胞减少;上调P-gp蛋白的表达。4T1/Gem细胞成功建立裸鼠乳腺癌肝转移模型,瘤组织中ER、PR、HER2蛋白阴性表达,Ki-67阳性10％和P-gp蛋白阳性表达。结论 成功构建吉西他滨耐药乳腺癌细胞4T1耐药株并建立裸鼠乳腺癌肝转移模型,为开发治疗乳腺癌肝转移化疗耐药的药物提供实验基础。

Objective To construct a gemcitabine-resistant variant of the breast cancer cell line (4T1/Gem) and establish a nude mouse model of breast cancer with hepatic metastatic. Methods A gemcitabine-resistant variant of the breast cancer 4T1 cell line was induced by gradually increasing the concentration of gemcitabine; this variant is referred to in this study as 4T1/Gem. The proliferation suppression rates of 4T1 and 4T1/Gem cells were determined by using the CCK-8 essay to evaluate the drug resistance indices of the cell lines. Western blot analysis was used to detect P-gp protein expression. Under ultrasonography, a 4T1/Gem cell suspension was injected into nude mice to induce liver tumors. H&E staining was used to observe tumor pathology, and immunohistochemistry was used to detect the expression of ER, PR, HER-2, Ki-67, and P-gp. Results After 14 months of induction, a 4T1/Gem cell line is established successfully. The cell line can grow stably in culture liquid containing 40 μg/ml gemcitabine. The drug resistance index of 4T1/Gem is 788.547. Compared with the 4T1 cell line, the 4T1/Gem cell line can upregulate P-gp protein expression and successfully establish a nude mouse model of breast cancer with hepatic metastatic. ER, PR, and HER-2 proteins exhibit negative expression in the tumor tissue. The positive expression of P-gp and 10% of Ki-67 proteins is also observed. Conclusion This study successfully constructs a gemcitabine-resistant variant of the breast cancer cell line (4T1/Gem)and establishes a nude mouse model of breast cancer with hepatic metastatic, thereby providing an experimental basis for developing and treating a drug-resistant variant of breast cancer.

目的 比较胆总管切开探查术后留置T管和胆总管切开探查并一期缝合术后胆管内支架引流这两种模式治疗胆管疾病的手术疗效。方法 对2012年—2014年期间收治的90例需择期行胆总管探查的患者进行前瞻性随机对照研究。按照实验方式分为T管组40例和单管内支架组50例。对比分析两组胆总管置管缝合手术时间、住院时间、治疗总费用、生活质量指数值以及并发症发生率,包括引流失败率(T管滑脱、内支架管滑脱、移位)、胆漏、胆道感染、胰腺炎和残石率。结果 开腹胆总管探查术术后内支架引流患者的出院前生存质量评价高于T管引流患者,住院时间少于T管引流患者,置管及胆管缝合时间长于T管引流患者(均为P＜0.05);术后两组患者间的治疗总费用和非计划脱管、胆漏、胆道感染、胰腺炎、残石率和不能拔/脱管等术后并发症发生率的差异无统计学意义(P＞0.05)。结论 内镜下胆道支架内引流术(Endoscopic retrograde biliary drainage,ERBD)移植于胆总管切开探查并一期缝合术具有可行性、安全性及治疗效果确切,显著缩短患者住院时间、加快患者康复提高患者出院前的生存质量,并放宽胆总管一期缝合指征。

Objective To compare the clinic research between biliary stent insertion drainage and T-tube drainage after choledochotomy. Methods The clinical data of 90 cases from 2012 to 2014 were analyzed in a prospectively randomized trial, and they were divided into two groups by T-tube drainage and biliary stent insertion drainage. Cathetering and suture time, length of stay, hospital costs, life quality and incidence of complications were compared, respectively. Results After open common bile duct exploration (OCBDE), the life quality of stent group was significantly higher than that of T-tube group, the length of stay in stent group was shorter, and cathetering and suture time of bile duct in stent group was longer than that of T-tube group (P＜0.05); There were no significant differences between the two groups in the hospital costs and incidences of postoperative complications including bile leakage, early stent dislodgement, biliary infection, pancreatitis and residual stone (P＞0.05). Conclusion Endoscopic retrograde biliary drainage (ERBD) with primary closure after choledochotomy is a safe, effective and feasible procedure for the management of choledocholithiasis, it can significantly reduce the postoperative hospital stay and improve the life quality of patients and expand the indications for primary closure of CBD incision.

目的 观察不同疗程吗替麦考酚酯(MMF)治疗激素依赖或激素抵抗成人微小病变肾病(MCD)的疗效和复发率。方法 2011年2月—2013年8月我院收治的25例激素依赖或抵抗成人MCD,随机分为短疗程组12例和长疗程组13例。短疗程组给予MMF联合口服泼尼松治疗6个月,观察12月,长疗程组治疗18个月,前6个月治疗同短疗程组,此后单用小剂量MMF维持,观察两组的疗效及复发率。结果 长疗程组有1例因严重感染在第2月退出研究,其余24例均完成18月的随诊;两组在治疗第6月时尿蛋白定量降低、血浆白蛋白升高,均与治疗前有差异(均P<0.05);与第6月比较,疗程结束时短疗程组尿24小时蛋白定量升高(P<0.05),长疗程组尿24小时定量无明显改变(P>0.05);治疗第6月两组均有9例完全缓解(75%),两组无差异(χ²=0.372,P>0.05);治疗第18月时与第6月比较,短疗程组6例复发(54.54%),长疗程组有2例复发(18.18%),两组复发率比较无差异(χ²=0.076,P>0.05)。结论 MMF能有效诱导缓解成人MCD,小剂量维持治疗可以有效降低复发率。

Objective To observe the efficacy and recurrence rates of mycophenolate mofetil (MMF) on hormone-dependent or steroid-resistant adult minimal change disease (MCD). Methods We retrospectively reviewed the records of adult patients at Shunde district hospital of traditonal Chinese medicine of Foshan for minimal change from February 2011 to August 2013. All patients who were hormone-dependent or steroid-resistant were collected. Twenty-five patients were randomly divided into short or long course group. The patient at short course group was given MMF combined with oral prednisone for 6 months, and the long course group was given for 18 months. Patient demographics, efficacy of medicines and recurrence rates were observed. Results Except one case of the long course group quitting at the second month because of severe infection, the other cases all finished the 18 months of follow up. At the 6 month after therapy with MMF, in both group, the 24h urine protein had lowered significantly (P<0.05) and the serum albumin level had risen remarkably (P<0.05). At the end of the follow up, compared with the 6 month after therapy, the 24 h urine protein of the short course group had increased (P<0.05), while those of the long course group had no obvious difference (P>0.05). At the 6 month after therapy, there were 9 cases achieved complete remission.There was no significant difference between the two groups (χ²=0.372, P>0.05). At the end of the follow up, compared with the 6 month after therapy, there were 6 cases experienced relapse (54.54%) in the short course group and 2 cases of those in the long course group (18.18%), but with no significant difference between them (χ²=0.076, P>0.05). Conclusion MMF can induce the remission of adult MCD efficiently, and its low dose maintenance treatment can decrease recurrence rates.

目的 提高对精索静脉曲张合并同侧腹股沟隐匿性斜疝的认识。方法 2009年1月—2013年9月,3例左侧精索静脉曲张合并同侧腹股沟隐匿性斜疝患者经我科诊治,合并的隐匿性腹股沟斜疝术前均未能发现,其中2例患者在行经腹股沟精索静脉高位结扎时发现合并的隐匿性疝,同时行疝修补手术;另1例术后第2天发现再次行疝修补术,疝修补手术采用Bassini术式。结果 术后6个月电话随访,3例患者腹股沟疝无复发、无睾丸萎缩、鞘膜积液并发症。结论 精索静脉曲张合并腹股沟隐匿性疝少见,但临床工作中还是会遇到,需要提高对该疾病的认识,治疗方式存在一定争议。

Objective To improve the realization of the varicocele combined with ipsilateral concealed indirect hernia. Methods Three cases of the varicocele combined with ipsilateral concealed indirect hernia were treated in our department from January 2009 to September 2013. Combined ipsilateral concealed indirect hernia were not diagnosed before operation, 2 were found during the operation of spermatic vein ligation through the groin and received Bassini's hernia repair simultaneous, another found 2 days after operation and then received Bassini's hernia repair. Results No recurrence of hernia, testicular atrophy and hydrocele observed in the follow-up by phone 6 after months. Conclusion Varicocele combined with ipsilateral concealed indirect hernia is rare, we need to improve the understanding of this disease and the therapy is controversial.

目的 探讨血清胃蛋白酶原在胃癌筛查中的价值。方法 用ELISA方法对1102名患者血清PG水平进行检测,并行内镜病理组织学检查,采用ROC曲线确定PG筛查胃癌的最佳界定值。结果 与对照组、萎缩性胃炎组、胃良性溃疡组相比,早期胃癌组、进展期胃癌组PGI、PGR下降(P＜0.05),进展期胃癌组PGI、PGR较早期胃癌组下降(P＜0.05)。与对照组相比,早期胃癌组、进展期胃癌组、胃良性溃疡组PGII升高(P＜0.05)。PGI及PGR在ROC曲线下面积为0.920和0.831,对胃癌的诊断价值较高。PGI≤71.50 μg/L或PGR≤4.50作为筛查标准时,对胃癌高危人群筛查的灵敏度为83.33%,特异度为82.25%。结论 血清PGI、PGR在不同胃部病变中的表达水平不一致,对胃癌的早期筛查和早期诊断具有重要价值。PGI≤71.50 μg/L或PGR≤4.50是东莞地区筛查胃癌较合适的界定值。

Objective To investigate the value of serum pepsinogen PG detection for screening of gastric cancer. Methods PG was detected by ELISA of 1102 people, gastrointestinal endoscopy and biopsy pathology were also carried on. Using ROC curve to establish the PG screening standard, and verified its' value at high risk population of gastric cancer. Results Compared with control group, atrophic gastritis group and benign gastric ulcer group, serum PGI and PGR in early gastric cancer group and advanced gastric cancer group decreased significantly(P＜0.05). Serum PGI and PGR in advanced gastric cancer group were lower than early gastric cancer group(P＜0.05). Serum PGII in early gastric cancer group, advanced gastric cancer group and benign gastric ulcer group were higher than control group(P＜0.05). The area under ROC curve of PGI and PGII was 0.920 and 0.831 respectively, both of them showed high value for the diagnosis of gastric cancer. Took PGI≤71.50μg/L or PGR≤4.50 as the diagnosis criteria, the sensitivity was 83.33% and specificity was 82.25% at high risk population of gastric cancer. Conclusion Serum PGI and PGR were inconsistent in different gastric disease, which showed high sensitivity and specificity in the screening of gastric cancer,and have important value in early screening and early diagnosis of gastric cancer. PGI≤71.50μg/L or PGR≤4.50 were established as the appropriate standard for PG screening.