目的 回顾性分析不同病理类型乳腺黏液腺癌的超声声像图特征,从而提高术前乳腺黏液腺癌不同亚型的超声诊断准确率。方法 分析43名患者共44例手术切除或穿刺活检证实为乳腺黏液腺癌病灶的声像图资料,包括病灶的边界、边缘、形态、回声类型、生长方向、钙化、后方回声、血流分级、腋窝淋巴结形态,并对病灶进行BI-RADS分类。将超声声像图特征与手术或活检后病理结果进行对比,总结出不同亚型的乳腺黏液腺癌的超声声像图特征。结果 44例乳腺黏液腺癌病理类型分为21例单纯型黏液腺癌和23例混合型黏液腺癌,混合型黏液腺癌大多数表现为病灶边界不清(73.9%)、边缘模糊毛刺(73.9%)、形状不规则(91.3%)、以及内部回声不均匀(87%)、病灶内钙化更多见(52.2%)。混合型黏液腺癌的淋巴结转移率明显高于单纯型黏液腺癌(P<0.05)。对比术前病灶的BI-RADS分类及术后病理诊断,超声对恶性病灶诊断准确率68%,单纯型黏液腺癌和混合型黏液腺癌的诊断准确率分别为48.6%、87%。结论 不同病理类型乳腺黏液腺癌间具有一些不同的声像图特征。混合型黏液腺癌大多数表现为病灶边界不清、边缘模糊毛刺、形状不规则、回声不均匀、病灶内钙化多见;单纯型乳腺黏液腺癌通常表现为边界清晰、形态规则、钙化少见、淋巴结转移少等良性肿块声像特征,超声对其误诊率较高,需提高警惕。

Objective Retrospectively evaluate the sonographic features of different types of mucinous breast carcinoma to improve the preoperative ultrasound diagnostic accuracy rate. Methods Sonographic features of 44 cases of MBC proven by pathological biopsy were analyzed, including the margin,lesion boundary,shape,echo pattern,lesion growth pattern, calcification, posterior acoustic feature,blood flow, lymph node form and data system(BI-RADS)classification for the lesion to sum up the different subtypes of breast ultrasonic ultrasonographic features of mucinous carcinoma. Results 21 cases of pure mucinous carcinoma (PMBC)and 23 cases of mixed mucinous carcinoma(MMBC)were founded. MMBC were more likely to have unclear boundary (73.9%), indistinct or spiculate of margin(73.9%), irregular shape (91.3%), heterogeneous internal echo (87%), more calcification in lesions(52.2%). Lymph node metastasis in MMBC was obviously higher than that of PMBC(P<0.05). Compared with preoperative of the BI-RADS classification and pathological diagnosis, ultrasonography in diagnosing accuracy rate was 68% in malignant lesions, 48.6% in PMBC and 87% in MMBC. Conclusion There are some different ultrasonographic characteristics in different types of breast mucinous carcinoma.MMBC are more likely to have unclear boundary, indistinct or spiculate of margin, irregular shape, more calcification in lesions. On the contrary, PMBC has a circumscribed boundary, abrupt interface edge, rare calcification, rare lymph node metastasis and are easily misdiagnosed as benign lesions. We should pay more attention to avoid misdiagnosis in ultrasonography.

目的 探讨直肠神经内分泌肿瘤的临床病理特征。方法 回顾性分析46例直肠神经内分泌肿瘤患者的临床病理资料,对不同病理分级的患者在性别、年龄、肿瘤直径、浸润深度、肝及淋巴结转移等方面进行比较。结果 直肠神经内分泌肿瘤男性多见,肿瘤多位于直肠中下段。免疫组化检测显示CgA、Syn、CD56阳性率分别为40.0%、97.8%、100%。36例Ki-67阳性指数≤2％,6例Ki-67阳性指数在3％～20％,4例Ki-67阳性指数＞20％。不同病理分级的肿瘤与患者年龄、肿瘤直径、浸润深度、淋巴结及肝转移相关,与性别不相关。结论 直肠神经内分泌肿瘤缺乏临床特异性症状,联合CgA、Syn和CD56染色可提高直肠神经内分泌肿瘤的诊断率。病理分级对预测肿瘤浸润深度、肝或淋巴结转移有重要参考价值。

Objective To investigate the pathological and clinical significance of 46 cases of rectal neuroendocrine tumors(NET). Methods Retrospectively analyzed the clinical and pathological feature of 46 patients with rectal NET, and assessed possible interactions between different pathological grades and gender, age, tumor diameter, depth of invasion, lymph node and liver metastasis. Results Rectal NET appeared more frequently in males than in females. Most tumors located in middle and distal third of rectum. The positivity rates of immunohistochemical marker CgA, Syn, CD56 were 40.0%, 97.8%, 100.0%, respectively. The cases of Ki-67 positivity rate under 2%, ranged between 3%-20%, above 20% were 36, 6, 4, respectively. Different pathological grades were significantly correlated with age, tumor diameter, depth of invasion, lymph node and liver metastasis, but not with gender. Conclusion Rectal NET had nonspecific symptoms. Combined immunohistochemical staining, such as CgA, Syn and CD56, was important in the evaluation of rectal NET. Pathological grading might be very useful for prediction of invasion depth, lymph node and liver metastasis.

目的 评价鞘内注射雷帕霉素对CCI神经病理性痛大鼠的痛阈及脊髓背角胶质细胞表达的影响。方法 健康雄性SD大鼠30只随机分为6组:①CCI组:CCI术后14天处死;②正常对照组:不做任何处理; ③前对照剂组:鞘内置管3天后行CCI术,术后4小时后鞘内给同体积生理盐水,连给3天; ④前给药组:鞘内置管3天后行CCI术,术后4小时鞘内给雷帕霉素溶液,连给3天; ⑤后对照剂组:鞘内置管3天后行CCI术,术后7天鞘内给同体积生理盐水,连给3天;⑥后给药组:鞘内置管3天后行CCI术,术后7天鞘内给雷帕霉素溶液,连给3天。各组于CCI术前1天和术后第2、4、6、8、10、12、14天测机械痛阈和热痛阈。术后14天测痛后用多聚甲醛灌注大鼠,取L4~5脊髓,免疫组化染色,星形胶质细胞标记蛋白(GFAP)检测星形胶质细胞表达变化,并定量分析。结果 与对照组相比,CCI手术组热痛阈和机械痛阈从CCI手术后第4天开始下降(P<0.05);前后给药对照剂组与CCI组相比,差别无统计学意义(P>0.05)。前给药组痛阈从CCI手术后第4天开始上升并持续至手术后第14天,与CCI组相比,差别有统计学意义 (P<0.05)。与CCI组相比,后给药组痛阈从CCI第8天开始上升并持续至手术后第14天,差别有统计学意义(P<0.05)。 与正常对照组比较,CCI组、前、后对照剂组手术侧脊髓背角GFAP染色阳性区平均光密度与阳性面积均有增加,差别有统计学意义(P<0.05)。前、后给药组手术侧GFAP染色阳性区平均光密度与阳性面积与CCI组比较,均有明显降低,差别有统计学意义(P<0.05)。结论 鞘内注射雷帕霉素可缓解大鼠神经病理性痛,并抑制脊髓背角胶质细胞的激活。

Objective To evaluate the effects of intrathecal injection of rapamycin on pain threshold and spinal cord gliacyte activation in rats of neuropathic pain. Methods Healthy 30 male SD rats were randomly divided into 6 groups(n=5 in each group): ① control group without operation or intrathecal injection. ②CCI group without intrathecal injection. ③ intrathecal injection of rapamycin 10 μg(10 μL) 4 hours after CCI operation and the next 2 days once a day. ④ intrathecal injection of NS10 μL 4 hours after CCI operation and the next 2 days once a day. ⑤ intrathecal injection of rapamycin 10 μg(10 μL) 7 days after CCI operation and the next 2 days once a day.⑥ intrathecal injection of NS10 μL 7 days after CCI operation and the next 2 days once a day. Mechanical and thermal threshold were tested 1 day before the CCI operation and 2^th、4^th、6^th、8^th、10^th、12^th、14^th days after the CCI operation for all the rats. Lumbar segment of spinal cords was removed for determination of glial fibrillary acidic protein(GEAP) in spinal cord by immuohistochemistry dyeing and assay in the 14th day after CCI operation for all the rats. Results Mechanical and thermal hyperalgesia emerged on 4th day and maintained till 14th day after CCI operation(P<0.05). After intrathecal injection of rapamycin 4 hours or 7days after CCI, mechanical and thermal threshold significantly increased compared to intrathecal injection of NS(P<0.05). And the sum area of GFAP positive and the mean density of GFAP positive area in the dorsal horn of operation side greatly increased in rapamycin treated groups compared NS treated groups(P<0.05). Conclusion Intrathecal injection of rapamycin may attenuate CCI induced hyperalgesia and inhibit the activation of astrocyte.

目的 观察不同剂量卡介苗核酸(Bacille Calmette-guerin DNA , BCG-DNA)在不同干预时间对哮喘小鼠气道高反应性及气道炎症的干预作用。方法 1.将Balb/c雌鼠随机分为哮喘模型组、NS对照组、BCG- DNA干预组。干预组根据干预的时间和干预制剂剂量的不同分为-7DNA1 μg、-7DNA10 μg、-7DNA100 μg、10DNA1 μg、10DNA10 μg、10DNA100 μg、17DNA1 μg、17DNA10 μg、17DNA100 μg组。2.在末次激发48小时后,测定各浓度级乙酰甲胆碱激发下的增强的呼气间歇 (Enhanced Pause, Penh)值,将其与小鼠激发前吸入NS后的Penh的百分比(Penh%NS),作为其气道反应性评价指标;其次对肺泡灌洗液进行细胞学分析。结果 1.气道反应性:①-7DNA1 μg组从Mch为3.12～50 mg/mL之间的Penh%NS显著低于哮喘组(P<0.05);②-7DNA10 μg组和-7DNA 100 μg组从Mch为6.25～25 mg/mL之间的Penh%NS显著低于哮喘组(P<0.05);③10DNA10 μg组从Mch为12.5～25 mg/mL之间的Penh%NS显著低于哮喘组(P<0.05);④10DNA100 μg组从Mch为3.12、12.5～50 mg/mL之间的Penh%NS显著低于哮喘组(P<0.05);⑤17DNA1 μg组在Mch为3.12、12.5 mg/mL的Penh%NS显著低于哮喘组(P<0.05);⑥17DNA10 μg组在Mch为12.5 mg/mL之间的Penh%NS显著低于哮喘组(P<0.05) 2.气道炎症:10DNA1 μg、-7DNA10 μg、10DNA10 μg和17DNA10 μg组的BALF细胞分类Eos%分别为:35.34±3.81、27.30±6.91、38.20±6.56、42.17±5.17;显著低于哮喘组的Eos%(48.8±6.12)(P<0.05);10DNA1 μg组的Eos%显著低于-7DNA1 μg组的Eos%(P<0.05);-7DNA10 μg组的Eos%显著低于10DNA10 μg、17DNA10 μg、-7DNA1 μg和-7DNA100 μg组的Eos%(P<0.05)。结论 BCG-DNA能降低哮喘小鼠的气道高反应性,减轻哮喘小鼠的气道炎症,早期(－7 d)中小剂量的干预效果较佳。

Objective To investigate the effect of Bacille Calmette-Guerin BCG-DNA on airway hyperresponsiveness and airway inflammation in asthmatic mouse model. Methods 1.According to different intervention, mouse were divided into asthma groups, NS control group, BCG-DNA group. According to different time and dosage intervened with asthma model, the BCG-DNA group were subdivided into -7DNA1 μg、-7DNA10 μg、-7DNA100 μg、10DNA1 μg、10DNA10 μg、10DNA100 μg、17DNA1 μg、17DNA10 μg and 17DNA100 μg group. 2.48 hours after the final incitation, the mice were stimulated with increasing concentrations of methacholine, and the airway resistance was measured. Enhance pause (Penh) was taken for each group. Bronchoalveolar lavage cytology was performed to evaluate the airway inflammation. Results 1.Airway hyperresponsiveness: ① Penh%NS of-7DNA1 μg group was significantly lower than the asthma group when Mch was 3.12~50 mg/mL (P<0.05); ② Penh%NS of -7DNA10 μg group and -7DNA100 μg group were significantly lower than the asthma group when Mch was 6.25~50 mg/mL (P<0.05);③ Penh%NS of 10DNA10 μg group was significantly lower than the asthma group when Mch was 12.5~25 mg/mL (P<0.05); ④ Penh%NS of 10DNA100 μg group was significantly lower than the asthma group when Mch was 3.12,12.5~50 mg/mL (P<0.05); ⑤ Penh%NS of 17DNA1 μg group was significantly lower than the asthma group when Mch was 3.12 or 12.5 mg/mL (P<0.05);⑥Penh%NS of 17DNA10 μg group was significantly lower than the asthma group when Mch was 12.5 mg/mL(P<0.05). 2.Airway inflammation: The Eos% of 10DNA1 μg, -7DNA10 μg,10DNA10 μg and 17DNA10 μg group (35.34±3.81、27.30±6.91、38.20±6.56、42.17±5.17) were lower than the asthma group (P<0.05); The Eos% of 10DNA1 μg group was lower than the -7DNA1 μg group (P<0.05); The Eos% of -7DNA10 μg group was lower than the 10DNA10μg, 17DNA10 μg,-7DNA1 μg and -7DNA100 μg group (P<0.05). Conclusion BCG-DNA can inhibit the airway inflammation and hyperresponsiveness in asthmatic mouse model. Early interventions with middle dose bring better results.

目的 分析于剖宫产产妇围手术期实施针对性护理对其切口感染率及不良情绪的影响。方法 选取2015年6月—2016年4月于我院择期行剖宫产术的102例产妇,通过随机数表法分为观察组与对照组,各51例。给予对照组常规护理,在此基础上观察组给予针对性护理干预。对比两组术后恢复情况、护理前后疼痛评分(VAS)、抑郁评分(SDS)及焦虑评分(SAS)变化情况,并统计两组并发症发生率、护理满意度。结果 观察组肛门排气时间、切口愈合时间、24 h睡眠时间、住院时间、下床活动时间均少于对照组,差异有统计学意义(P＜0.05);护理前两组SAS评分、SDS评分、VAS评分间无明显差异(P＞0.05),经护理干预,观察组SAS评分、SDS评分、VAS评分低于对照组,差异有统计学意义(P＜0.05);两组切口感染率、并发症发生率(1.96%、7.84%)低于对照组(15.69%、31.37%),差异有统计学意义(P＜0.05);两组护理满意度对比,观察组(98.04%)高于对照组(82.35%),差异有统计学意义(P＜0.05)。结论 给予剖宫产围术期产妇针对性护理疗效确切,可缓解不良情绪,减轻疼痛感,促使机体功能及早康复,减少切口感染与并发症发生。

目的 调查我院处方错误的数量和分类,保障门诊患者用药的安全性、有效性和经济性。方法 采用回顾性分析方法,对我院2016年1月—6月的门诊电子处方统计,对不合理处方及时电话沟通和改正,并将错误处方登记入册分析。结果 其中登记入册的错误处方占总处方数的0.24%,主要包括药物用法用量不合理、给药途径不当、药物相互作用不合理、禁忌证用药、重复用药、电脑输入剂量或单位错误等。结论 我院门诊电子处方仍存在一定的不合理现象,临床药师通过处方审核进行干预,并与医院管理和医师有机结合,努力开展药学监护,提高我院处方质量,促进合理用药,共同保证患者用药正确,有效,安全,经济,合理,降低医疗纠纷的发生。

目的 研究中山市南部镇区医院人员关于继续医学教育的政策知悉程度、参加继续医学教育的途径、障碍因素及动机,为完善继续医学教育管理工作提供决策依据。方法 采用简单随机抽样的方法,选取中山市南部镇区医院200名医务人员,采用问卷调查方法,了解中山市南部镇区医务人员继续教育的参与情况,接受继续教育的主要途径与障碍。结果 24～40岁年龄段、初级职称人员知悉程度较高,而40～48岁年龄段、中高职称人员参与程度较高;晋升和发展是主要参与动机,时间和空间因素是主要参与障碍。结论 医院应根据不同层次专业技术人员继续教育的需要开展继续教育,并创造有利条件,克服时间上和空间上的障碍,更好地使继续教育的效果转化为知识结构的不断优化。

目的 探讨腹腔镜手术与传统开腹手术对右半结肠癌患者免疫功能指标及临床疗效的影响。方法 选取80例右半结肠癌患者,随机分成两组,各40例分别行腹腔镜手术及传统开腹手术,分别比较两组患者手术前后免疫功能指标及相关临床疗效的差异。结果 腹腔镜组及开腹组术后免疫指标CD3⁺、CD4⁺、CD8⁺均出现不同程度下降,但腹腔镜组免疫指标CD3⁺、CD4⁺均优于开腹组(P＜0.05);腹腔镜组术中出血量、术后胃肠排气功能恢复时间、住院时间均优于开腹组(P＜0.05);两组手术时间及淋巴结清扫个数方面无显著差异(P＞0.05)。结论 腹腔镜手术治疗右半结肠癌不仅对患者免疫功能损害较低,还较开腹术具有术中出血量少、术后恢复快等优点,值得临床推广。

目的 探讨吸烟对稳定期COPD患者炎症反应和肺功能的影响。方法 选取2013年8月—2016年9月我院门诊收治的稳定期COPD患者70例为研究对象,其中吸烟35例(X1组)、不吸烟35例(X2组),另选取同期入院的不吸烟健康志愿者35例纳入健康组,采用酶联免疫吸附试验(ELISA)测定血清白介素-6(IL-6)、白细胞介素-8(IL-8)及肿瘤坏死因子-α(TNF-α)水平,以肺功能检测仪测定三组一秒用力呼气容积(FEV1)、一秒用力呼气容积/用力肺活量比值(FEV1/FVC)、FEV1占预计值百分比(FEV1％),并采用自拟症状评分表及简明健康调查简表(SF-36)评价呼吸困难程度及生活质量。结果 X1组IL-6、IL-8及TNF-α依次为(135.27±1.24)pg/mL、(189.45±1.14)pg/mL、(39.39±1.14)pg/mL,明显高于X2组、健康组(P均<0.05);X1组FEV1(0.75±0.14)L、FEV1/FVC(3.65±1.87)％、FEV1％(3.45±0.12)％低于X2组、健康组(P均<0.05);X1组症状积分(10.17±1.02)分较X2组、健康对照组高(P<0.05),而其SF-36评分(54.27±1.46)分明显低于X2及健康组(P<0.05);X2组上述指标与健康组比较亦有统计学意义(P均<0.05)。结论 吸烟可明显增加稳定期COPD患者IL-6、IL-8、TNF-α等炎症因子水平,同时降低肺功能,临床应采取措施进行有效干预,防止患者病情恶化。

目的 调查分析中山市某三甲医院抗菌药物不良反应的发生和分布情况,为临床合理应用抗菌药物提供相关信息。方法 以中山市某三甲医院2013—2015年上报国家药品不良反应监测系统的528例抗菌药物的不良反应为考察对象,按照给药途径、不良反应严重程度、年龄、性别、药物种类、不良反应累及的系统-器官、不良反应发生时间进行分类、整理、归纳和总结。结果 累及系统-器官涉及皮肤及其附件、血液系统、神经系统、消化系统、泌尿系统等。其中皮肤及其附件损害、神经系统、胃肠道反应容易发现,消化系统、血液系统、泌尿系统、肝胆系统的反应具有隐匿性。结论 临床在使用抗菌药物时,既要关注其抗菌效应,也要高度警惕其不良反应的危害性。避免无指征用药,合理选用抗菌药物,科学地开展ADR 监测工作,确保临床安全、有效、合理用药。

Objective To investigate occurrence and distribution of adverse drug reaction ADR of antibiotic drugs in a hospital of Zhongshan, in order to provide relevant information for clinical rational use of antibacterial drugs. Methods We classified and analyzed 528 cases of adverse drug reaction of antibiotic drugs which was reported to National center for ADR Monitoring during 2013～2015, according to the administration route、the severity of ADRs、age、sex、types of drugs、the organs systems involved by ADRs, the time of ADRs occurrence. Results Adverse drug reaction of antibiotic drugs involved in skin and its appendix、hematological system、nervous system、digestion system、urinary system and so on. Among them skin and its appendix、nervous system and gastrointestinal reactions were easy to acquire, others were obscure and difficult to find. Conclusion When the clinical use of antibacterial drugs, should not only focus on its antibacterial effect, also need to keep high vigilance against the dangers of its adverse reactions. To ensure the clinical safety, effective and rational drug use, we need to avoid no indication of medicine, take rational use of antibiotic drugs,scientifically to carry out the ADR monitoring.