目的 探讨超声评分法在体表高分化脂肪肉瘤(WDLPS)和良性脂肪瘤(LP)鉴别诊断中的价值,为两者的鉴别诊断和治疗方式选择提供依据。方法 回顾性分析经病理证实的 14 例(共15个肿块)体表WDLPS和 37 例(共40个肿块)LP临床资料及超声声像图特征,比较2组患者的发病年龄、性别、发病部位、肿块长径、短/长径比、肿块形态、边界、有无包膜、内部回声、回声分布、位置及血流分级等指标。筛选出有统计学差异指标,绘制ROC曲线,计算评分系统的诊断效能。结果 WDLPS和 LP患者在年龄、肿块长径、短/长径比值、有无包膜、位置以及血流分级6个指标有统计学差异(P＜0.05),对以上6个指标赋予0或1分建立病灶评分系统,总分0～6分。计算不同分值对WDLPS的诊断效能,以总分≥3分时诊断效能最高,灵敏度86.7%,特异度77.5%,正确率80%,阳性预测值59.1%,阴性预测值93.9%。结论 基于超声图像特征的评分方法在总分≥3分时,对术前鉴别WDLPS和LP具有较好的诊断效能,能够为临床治疗方案选择提供重要参考依据,值得推广应用。

Objective To evaluate the value of ultrasonography scoring system in differential diagnosis of well-differentiated liposarcomas (WDLPS) and benign lipoma (LP), and to provide evidence for the differential diagnosis and treatment choice. Methods Fourteen WDLPS cases (total of 15 masses) and 37 LP cases (total of 40 masses) were diagnosed by surgical histopathology, which clinical data and the ultrasound images were analyzed retrospectively. The parameters including age, gender, region, mass length, length/width ratio, shape, margin, envelope echoes, echogenicity, texture, location, blood flow were compared between the groups above. A scoring system was established by analyzing the parameters with statistical differences, and the ROC curve was plotted to calculate the best cut-off value and evaluate the diagnostic efficiency of the scoring system. Results There were statistically significant differences between two groups in the following six parameters: age, mass length, length/width ratio, envelope echoes, location, blood flow(P＜0.05). The scoring system was established by assigning 0 or 1 point to each factor, and the total score was 0～6 points. The highest diagnostic efficiency of WDLPS was observed at the cut-off value ≥ 3. The sensitivity, specificity, accuracy, the positive predictive value and the negative predictive value was 86.7%, 77.5%, 80%, 59.1%, 93.9% respectively. Conclusions The ultrasonography-based scoring system has a better diagnostic efficacy in differentiating WDLPS and LP, which can provide an important reference basis for the selection of clinical treatment, and is worthy of promotion and application.

目的 对比剖宫产术后子宫瘢痕妊娠(CSP)与对照组的相关数据,为及早诊断CSP提供帮助;对比不同超声分型CSP超声特征及治疗方式,为早期诊断和个体化治疗方案的制定提供客观依据。方法 回顾性分析我院收治的41例CSP患者及41例对照患者的超声声像图特征及相关临床指标,总结分析不同分型CSP患者所采取的治疗方式。结果 41例CSP患者与41例对照组比较,出现阴道流血的概率更高,差异有统计学意义(P<0.05);根据超声分型将CSP分为4型,分别为Ⅰ、Ⅱ、ⅢA及ⅢB型,Ⅰ型CSP患者与其他3型CSP比较,出现阴道流血的概率要高,差异有统计学意义(P<0.05);Ⅰ型CSP较Ⅱ、Ⅲ、ⅢA型子宫前壁肌层厚,差异有统计学意义(P<0.05);关于治疗:Ⅰ型CSP主要治疗方式为超声引导清宫术;Ⅱ型根据临床实际情况,每一种方式都可选择;Ⅲ型CSP主要采用子宫动脉栓塞后超声引导下清宫术,所有患者术中出血均不多,预后良好并顺利出院。结论 1.CSP患者与对照组临床指标对比有一定差异性,但不够特异,故为了及早的诊断CSP,对于有剖宫产史妇女再次妊娠的早孕检查,一定要明确妊娠囊与子宫前壁下段瘢痕及膀胱的关系;2.超声分型有助于制定针对CSP的个体化治疗方案,以改善患者预后。故诊断CSP的同时,还需对CSP进行准确的超声分型。

Objective To compare the data of cesarean scar pregnancy (CSP) after cesarean section with that of the control group, so as to provide help for the early diagnosis of CSP. To compare the ultrasonic characteristics and treatment methods of different ultrasonic types of CSP, so as to provide an objective basis for early diagnosis and individualized treatment. Methods The ultrasonographic features and related clinical indexes of 41 CSP patients and 41 control patients were analyzed retrospectively, the treatment methods adopted by patients with different types of CSP were summarized and analyzed. Results The probability of vaginal bleeding in 41 patients with CSP was higher than that in 41 control patients, the difference was statistically significant (P<0.05). According to ultrasonic classification, CSP is divided into four types: Ⅰ, Ⅱ, ⅢA and ⅢB. Compared with other 3 types CSPs, patients with type Ⅰ CSP had higher probability of vaginal bleeding, which difference was statistically significant (P<0.05). The main treatment of type Ⅰ CSP was ultrasound-guided uterine curettage, each method could be selected according to the actual clinical situation for type Ⅱ CSP, type Ⅲ CSP mainly adopted ultrasound-guided uterine curettage after uterine artery embolization. All patients had little intraoperative bleeding, good prognosis and been discharged successfully. Conclusions There were some differences in clinical indexes between CSP patients and control patients, but they were not specific enough. Therefore, in order to diagnose CSP as soon as possible, for the early pregnancy examination of second pregnancy in patients with cesarean section, we must clarify the relationship between gestational sac and scar of the lower part of the anterior wall of uterus and bladder. Ultrasound typing is helpful to formulate an individualized treatment plan for CSP patients to improve the prognosis. Therefore, accurate ultrasonic typing is also needed when diagnosing CSP.

目的 探究冠心病患者实施血清胆红素与尿酸检验的临床诊断价值。方法 遴选时段2020年6月—2021年6月内100例冠心病患者记观察组,另择取同时段健康体检对象100例记对照组,检测血清胆红素、尿酸水平并2组相对比,同时观察组患者根据冠脉狭窄程度(Gensini法)分组为A、B、C、D组,比较冠脉不同狭窄程度分级下上述指标的变化;评估对比血清胆红素、尿酸单项指标检验与联合检验对冠心病患者的诊断效能。结果 观察组较对照组血清胆红素(总胆红素、直接胆红素、间接胆红素)水平更低,尿酸水平更高,对比有统计学差异(P＜0.05);随着冠脉狭窄程度越严重患者血清胆红素水平呈下降趋势,尿酸水平呈升高趋势,且4组组间比较均差异有统计学意义(P＜0.05);冠心病患者血清胆红素联合尿酸检验的诊断敏感度96.00%、特异度95.00%均高于单项检验敏感度及特异度(P＜0.05)。结论 血清胆红素与尿酸水平可作为冠心病患者诊断的敏感性指标,其与冠心病的发生及发展密切相关,可反映患者病情严重程度,且联合检验诊断价值更高。

Objective To explore the clinical diagnostic value of serum bilirubin and uric acid detection in patients with coronary heart disease. Methods A total of 100 patients with coronary heart disease from June 2020 to June 2021 were selected as the observation group, and another 100 healthy subjects in the same period were selected as control group. Serum bilirubin and uric acid levels were detected and compared between the two groups. Meanwhile, the patients in the observation group were divided into groups A, B, C and D according to the degree of coronary artery stenosis (Gensini method). The changes of the above indexes were compared among different grades of coronary stenosis. And the diagnostic efficacy of each single detection and combined detection of serum bilirubin and uric acid in patients with coronary heart disease were evaluated and compared. Results Compared with the control group, the serum bilirubin (total bilirubin, direct bilirubin, indirect bilirubin) level of the observation group was lower, and the uric acid level was higher, with statistical differences (P<0.05). With the increased severity of coronary artery stenosis, the serum bilirubin level of patients showed a downward trend, while the uric acid level showed an upward trend, and there were significant differences among the four groups (P<0.05). The sensitivity and specificity of serum bilirubin combined with uric acid detection in patients with coronary heart disease were 96.00% and 95.00% respectively, which were higher than those of single detection (P<0.05). Conclusions Serum bilirubin and uric acid levels can be used as sensitive indicators in the diagnosis of patients with coronary heart disease, and are closely related to the occurrence and development of coronary heart disease, which can reflect the severity of the disease, also the diagnostic value of combined detection is higher.

目的 探究液基细胞学检查联合鳞状上皮细胞癌抗原(SCCA)、癌抗原153(CA153)检测对宫颈癌诊断价值。方法 对子宫颈上皮内瘤变患者54例(内瘤变组)、子宫颈癌患者54例(宫颈癌组)及健康体检者54例(对照组)进行液基细胞学、血清SCCA、血清CA153进行检测,以病理活检诊断为金标准。分析液基细胞学检查、血清中SCCA、血清中CA153对宫颈癌诊断价值,并分析联合液基细胞学检查与血清中SCCA、血清中CA153检测的临床价值。结果 内瘤变组和宫颈癌组血清SCCA、CA153水平均高于对照组,宫颈癌组血清SCCA、CA153水平高于内瘤变组(P均<0.05)。单项检测中,液基细胞学检查阳性率高于SCCA、CA153,联合检测阳性率与其他各单项检测相比明显提高(P<0.05)。结论 宫颈癌患者体内SCCA、CA153水平高,液基细胞学检查联合SCCA、CA153检测对宫颈癌早期阳性检出率高。

Objective To explore the diagnostic value of liquid-based cytology combined with squamous cell carcinoma antigen (SCCA) and cancer antigen 153 (CA153) detection in patients with cervical cancer. Methods Liquid-based cytology, serum SCCA, and serum CA153 were detected on 54 patients with cervical intraepithelial neoplasia (neoplasia group), 54 patients with cervical cancer (cancer group), and 54 healthy subjects (control group). Pathological biopsy diagnosis was used as the gold standard. The diagnostic value of liquid-based cytology, serum SCCA, and serum CA153 in cervical cancer was analyzed, and the clinical value of combining liquid-based cytology with serum SCCA and serum CA153 detection was also analyzed. Results The levels of serum SCCA and CA153 in neoplasia group and cancer group were higher than those in control group, and the serum SCCA and CA153 levels in the cancer group were higher than those in the neoplasia group (P<0.05). In the single detection, the positive rate of liquid-based cytology was higher than that of serum SCCA and CA153, and the positive rate of combined detection was significantly higher than those of the single detection (P<0.05). Conclusions Cervical cancer patients have high levels of serum SCCA and CA153. Liquid-based cytology combined with SCCA and CA153 detection has high positive rate for early cervical cancer.

目的 通过分析胎盘植入检出率、胎盘植入典型声像图特征及胎盘植入患者妊娠结局,探讨彩色多普勒超声检查在前置胎盘合并胎盘植入患者诊断中的应用价值。方法 回顾性分析2016年1月—2020年11月在广州市第一人民医院分娩的100例在产前超声检查中诊断为前置胎盘孕妇的临床资料及超声诊断资料。分析彩色多普勒检查在诊断前置胎盘合并胎盘植入中的灵敏度、特异度等指标;比较分析2组孕妇间年龄、流产和剖宫产次数及是否合并凶险性前置胎盘的情况;对比分析2组孕妇间胎盘分布情况、胎盘超声评分情况,分析胎盘植入的标志性超声声像图特征;分析2组孕妇分娩并发症及结局。结果 胎盘植入检出的灵敏度72%(36/50),特异度92.6%(50/54);胎盘植入组流产和剖宫产次数高于非胎盘植入组(P<0.05),合并凶险性前置胎盘的孕妇发生胎盘植入的概率升高;胎盘植入组超声评分高于非胎盘植入组(P<0.05),胎盘内陷窝征和胎盘后间隙消失是胎盘植入的标志性声像图特征;胎盘植入组产时出血量高于非胎盘植入组(P<0.05),胎盘植入组中出现产后出血的概率也是高于非胎盘植入组(P<0.05)。结论 彩色多普勒超声检查在诊断前置胎盘合并胎盘植入中的灵敏度及特异性度均较高,胎盘内陷窝征和胎盘后间隙消失在胎盘植入诊断的检出较高,可作为判断胎盘是否植入的标志性特征。运用超声评分系统可以更加客观地评价胎盘植入的诊断,对于预测其预后有重要的价值,值得推广。

Objective To explore the value of color Doppler ultrasonography in the diagnosis of placenta previa complicated with placenta implantation by analyzing the detection rate of placenta implantation,the typical sonographic characteristics of placenta implantation and the pregnancy outcome of patients.Methods The clinical data and ultrasonic diagnosis data of 100 pregnant women with placenta previa diagnosed by prenatal ultrasound in Guangzhou First People's Hospital from January 2016 to November 2020 were analyzed retrospectively.The sensitivity and specificity of color Doppler in the diagnosis of placenta previa complicated with placenta implantation were analyzed.The age,the number of abortions and cesarean sections and whether there was dangerous placenta previa between the two groups were compared and analyzed.The placental location and placental ultrasound score between the two groups were compared and analyzed,and the characteristics of landmark ultrasound images of placental implantation were analyzed.The delivery complications and outcomes of the two groups were also analyzed.Results The sensitivity and specificity of placenta implantation were 72% (36/50) and 92.6% (50/54).The number of abortion and cesarean section in placenta implantation group was significantly higher than that in non placenta implantation group (P<0.05).The probability of placenta implantation in pregnant women with dangerous placenta previa was significantly higher.The ultrasound score of placenta implantation group was significantly higher than that of non placenta implantation group(P<0.05),intraplacental lacuna sign and disappearance of retroplacental space were the landmark ultrasonographic features of placental implantation.The amount of intrapartum hemorrhage in placenta implantation group was significantly higher than that in non placenta implantation group (P<0.05).The probability of postpartum hemorrhage in placenta implantation group was also significantly higher than that in non placenta implantation group (P<0.05).Conclusions Color Doppler ultrasonography had high sensitivity and specificity in the diagnosis of placenta previa complicated with placenta implantation,intraplacental lacuna sign and disappearance of retroplacental space had high detection rates in the diagnosis of placental implantation,which can be used as a landmark feature to judge whether placenta is implanted or not.The use of ultrasound scoring system can more objectively evaluate the diagnosis of placental implantation,which has important value in predicting its prognosis and is worthy of popularization.

目的 比较2012版和2007版美国睡眠医学会判读标准(AASM₂₀₁₂和AASM₂₀₀₇)对慢性阻塞性肺疾病(COPD)合并阻塞性睡眠呼吸暂停(OSA)的诊断及其睡眠和临床特点的影响。方法 分别采用AASM₂₀₀₇与AASM₂₀₁₂分析41名稳定期COPD患者的睡眠呼吸事件,比较两种判读标准对COPD患者的呼吸暂停低通气指数(AHI),合并OSA的比例的影响;再对符合AASM₂₀₁₂但不符合AASM₂₀₀₇诊断的重叠综合征患者(OS_2012-2007)与仅符合AASM₂₀₀₇诊断的COPD患者(COPD_AASM2007)的睡眠参数和临床指标进行比较。结果 对比AASM₂₀₀₇,AASM₂₀₁₂显著增加COPD的睡眠呼吸暂停低通气指数(AHI)[1.0 (1.0, 7.5) h^-1 vs 11.5 (4.1, 25.1) h^-1, P<0.001],及合并OSA的比例(36.6% vs 70.7%, P<0.05)。OS_2012-2007与COPD_AASM20072组之间的微觉醒指数与3期睡眠比例有统计学差异,但其他睡眠参数、血压及高血压患病人数均无明显差异。结论 AASM₂₀₁₂显著增加COPD患者AHI,及合并OSA的比例,但初步的结果提示 AASM₂₀₁₂下新增的OS_2012-2007患者的病理损害相对少且轻。

Objective To compare the effects of the 2012 and 2007 American Academy of Sleep Medicine (AASM₂₀₁₂ and AASM₂₀₀₇) scoring criteria on the diagnosis, sleep and clinical characteristics of chronic obstructive pulmonary disease (COPD) with obstructive sleep apnea (OSA). Methods AASM₂₀₀₇ and AASM₂₀₁₂ were used to analyze the sleep respiratory events of 41 patients with stable COPD. Differences in apnea-hypopnea index (AHI) and diagnosis of OSA in COPD patients between AASM₂₀₀₇ and AASM₂₀₁₂ criteria were compared. Differences in sleep parameters and clinical indexes were compared between patients with overlap syndrome who met the AASM₂₀₁₂ not AASM₂₀₀₇ criteria (OS_2012-2007) and COPD patients who only met the AASM₂₀₀₇ criteria (COPD_AASM2007). Results Using the AASM₂₀₁₂ criteria, the number of AHI [1.0 (1.0, 7.5) h^-1 vs 11.5 (4.1, 25.1) h^-1, P<0.001] and the proportion complicated with OSA (36.6% vs 70.7%, P<0.05) significantly increased compared to the AASM₂₀₀₇ criteria. There was a significant difference between OS_2012-2007 and COPD_AASM2007 in arousal index and third stage of sleep, but no significant difference in other sleep parameters, blood pressure and the number of patients with hypertension. Conclusions Using AASM₂₀₁₂ significantly increased AHI and the proportion complicated with OSA in COPD patients, but the preliminary results demonstrated that pathological damages of OS_2012-2007 were relatively mild.

目的 研究结核感染T细胞斑点试验(T-SPOT.TB)技术联合胸水腺苷脱氨酶(ADA)在结核性胸膜炎中的诊断价值。方法 在研究中选取2016年1月—2018年12月在梅州市人民医院呼吸内科和全科医学科住院的60例结核性胸膜炎患者作为研究对象,对所有患者均进行血T-SPOT.TB、胸水ADA检查,比较血T-SPOT.TB、胸水ADA及胸水ADA联合血T-SPOT.TB检查三种检测方式的诊断符合率、误诊率、漏诊率、阳性预测值、阴性预测值、准确性、特异度、敏感度。结果 胸水ADA、血T-SPOT.TB以及血T-SPOT.TB联合胸水ADA检测方式的诊断符合率分别为75%、80.00%、93.33%,联合检测方式的诊断符合率高于单一检测方式的诊断符合率(P＜0.05)。血T-SPOT.TB联合胸水ADA检测方式的误诊率、漏诊率分别为0.00%、1.72%,低于胸水ADA、T-SPOT.TB检测方式(P＜0.05);血T-SPOT.TB联合胸水ADA检测方式的阳性预测值、阴性预测值分别为100.00%,67.78%,联合检测方式的阴性预测值高于其单一检测方式(P＜0.05)。T-SPOT.TB联合胸水ADA检测方式的特异度及敏感度分别为98.79%、97.87%,联合检测方式的敏感度高于其单一检测方式(P＜0.05)。血T-SPOT.TB检测方式与胸水ADA检测方式仅在特异度方面不存在统计学差异(P＞0.05)。结论 在对结核性胸膜炎患者进行诊断时,血T-SPOT.TB联合胸水ADA具有较高的诊断价值,值得应用。

Objective To investigate the diagnostic value of t-spot test (T-SPOT.TB) combined with adenosine deaminase (ADA) in tuberculous pleuritis. Methods 60 patients with tuberculous pleurisy hospitalized in the departments of respiratory medicine and general practice of Meizhou People's Hospital between January 2016 and December 2018 were enrolled in the study. All the patients were examined by blood T-SPOT.TB and ADA. The diagnostic coincidence rate, false positive rate,false negative rate, positive predictive value, negative predictive value, accuracy, specificity and sensitivity of the three detection methods of T-SPOT.TB, ADA, and T-SPOT.TB combined with ADA were also analyzed. Results The diagnostic coincidence rate of ADA, T-SPOT.TB and T-SPOT.TB combined with ADA was 75%, 80.00% and 93.33%, respectively. The diagnostic coincidence rate of the combined test was higher than that of the detection method (P<0.05). The misdiagnosis rate and missed diagnosis rate of blood T-SPOT.TB combined with ADA were 33.3% and 1.75%, respectively. The positive predictive value and negative predictive value of blood T-SPOT.TB combined with ADA test were 98.2% and 66.6%, respectively. The negative predictive value of combined T-SPOT.TB combined with ADA test was higher than that of the single test (P<0.05). The specificity and sensitivity of the T-SPOT.TB combined with ADA were 98.79% and 97.87%, respectively, and the sensitivity of the combined test was higher than that of the single test (P<0.05). Conclusion Blood T-SPOT.TB combined with pleural effusion ADA has higher diagnostic value in patients with tuberculous pleurisy and is worthy of clinical application.

目的 通过研究统计痰TB-DNA、痰分枝杆菌核酸、痰涂片找抗酸杆菌、血清T-SPOT.TB试验对肺结核的诊断敏感度、特异度、诊断预测值、诊断准确率,进一步探讨不同临床检测方法对肺结核的诊断价值,指导肺结核患者的临床诊治。方法 通过回顾性分析我院2017年1月—2019年12月呼吸内科、感染性疾病科诊断为活动性肺结核的患者,以痰结核菌培养结果为对照标准,分别统计出痰TB-DNA、痰分枝杆菌核酸、痰涂片找抗酸杆菌、血T-SPOT.TB试验对肺结核的诊断敏感度、特异度、阳性预测值、阴性预测值、诊断准确率,探讨我院临床上四种实验室方法对诊断肺结核的临床价值。结果 通过上述方法统计出痰TB-DNA、痰分枝杆菌核酸、痰涂片找抗酸杆菌、血T-SPOT.TB试验对肺结核的诊断敏感度分别是84.7%、88.1%、74.7%、96.0%,特异度分别是65.3%、69.2%、86.5%、17.8%,阳性预测值分别是83.0%、85.%、92.0%、70.7%,阴性预测值分别是68.1%、73.5%、62.1%、68.4%,诊断准确率分别是78.2%、82.0%、78.5%、70.5%。结论 跟传统方法痰结核菌培养、痰涂片找抗酸杆菌比较,TB-DNA、分枝杆菌核酸、TB-SPOT.TB试验在时效、灵敏度方面更具优势,能敏感检测出人体是否感染肺结核,对患者的早期诊断及指导治疗具有重要意义。

Objective To investigate the diagnostic sensitivity, specificity, predictive value and diagnostic accuracy of TB-DNA, mycobacterium sputum nucleic acid, acid-fast bacilli on sputum smear and serum T-SPOT.TB test for tuberculosis, so as to further explore the significance of different clinical detection methods for tuberculosis and guide the clinical diagnosis and treatment of tuberculosis patients. Methods By retrospective analysis of January 2017-December 2019, patients from respiratory medicine, infectious diseases departments diagnosed with active tuberculosis, sputum culture results of tuberculosis bacterium as control standard, we figured out sputum TB-DNA, sputum mycobacterium nucleic acid blood, sputum smear for acid fast bacilli, T-SPOT. TB test to the diagnosis sensitivity, specific degree, positive predictive value, negative predictive value, diagnostic accuracy, to explore the clinical value of four clinical laboratory methods in our hospital. Results According to the above methods, the diagnostic sensitivity of sputum TB-DNA, sputum mycobacterial nucleic acid, sputum acid-fast bacilli on smear and blood T-SPOT.TB test for tuberculosis was 84.7%、88.1%、74.7%、96.0%, and the specificity was 65.3%、69.2%、86.5%、17.8%, respectively. The positive predictive value was 83.0%、86.6%、92.0%、70.7%, and the negative predictive value was 68.1%、73.5%、62.1%、68.4%, respectively. The diagnostic accuracy was 78.2%、82.0%、78.5%、70.5%, respectively. Conclusion Compared with the traditional methods of culture and sputum smear for acid-fast bacilli, TB-DNA, mycobacterial nucleic acid and T-SPOT.TB test had more advantages in terms of timeliness and sensitivity. It is great significance for the early diagnosis and treatment of patients to detect whether they are infected with tuberculosis sensitively.

目的 探讨Napsin A、TTF-1和CK7在恶性胸水细胞蜡块中的表达及对肺腺癌的诊断价值。方法 收集已确诊为恶性胸水且行Napsin A、TTF-1及CK7免疫组化标记,并收集患者的血清和胸水CEA,将患者按组织来源分为肺腺癌组和非肺腺癌组,比较Napsin A、TTF-1、CK7、血清CEA和胸水CEA在两组中的表达和浓度并计算它们的诊断价值。结果 相对于非肺腺癌组,肺腺癌组患者的Napsin A(83.9% vs 16.1%,P<0.001)、TTF-1(93.5% vs 6.5%,P<0.001)和CK7(98.1% vs 1.9%,P<0.001)阳性表达升高。Napsin A诊断肺腺癌的敏感度为83.9%,特异度为93.9%,TTF-1诊断肺腺癌的敏感度为93.5%,特异度为90.9%;CK7诊断肺腺癌的敏感度为98.1%,特异度为42.4%;明显高于传统肿瘤标志物血清CEA(诊断肺腺癌的敏感度为69.7%,特异度为58.5%)和胸水CEA(诊断肺腺癌的敏感度为69.0%,特异度为66.7%)。结论 Napsin A、TTF-1及CK7对于鉴别肺腺癌恶性胸水及其他肿瘤所致的恶性胸水具有较高的诊断价值。

Objective To investigate the expression of Napsin A, TTF-1 and CK7 in paraffin cells block of malignant pleural effusion and their diagnostic value for lung adenocarcinoma. Methods Immunohistochemistry of Napsin A, TTF-1, CK7, serum and pleural fluid CEA were collected from patients with malignant pleural effusion. The patients were divided into lung adenocarcinoma group and non-lung adenocarcinoma groups according to tissue source. The expression of Napsin A, TTF-1, CK7, CEA and the levels of serum and CEA in pleural fluid were compared and their diagnostic value was calculated. Results The positive expression of Napsin A (83.9% vs 16.1%, P<0.001), TTF-1 (93.5% vs 6.5%, P<0.001) and CK7 (98.1% vs 1.9%, P<0.001) in malignant pleural effusion caused by lung adenocarcinoma were higher compared to other tumors. The sensitivity and specificity of Napsin A were 83.9% and 93.9%,the sensitivity and specificity of TTF-1 were 93.5% and 90.9%, and those of CK7 were 98.1% and 42.4%; which were higher than those of serum CEA (69.7% and 58.5%) and pleural fluid CEA (69.0% and 66.7%) respectively. Conclusion Napsin A, TTF-1 and CK7 are of high value in the diagnosis of malignant pleural effusion caused by lung adenocarcinoma from other tumors.

目的 探讨增强T2FAIR系列在结核性脑膜炎(TBM)中的诊断价值。方法 选择临床疑似TBM并初次行MR检查的患者80例,根据TBM诊断评分标准和颅内结核影像学分型专家共识作为临床确诊依据。最终56例经临床确诊为TBM(脑脊液结核杆菌抗酸检测阳性)。行常规系列颅脑扫描后增加增强T2FIR系列扫描。由三位经验丰富从事影像专业诊断不同级别的医师分别进行独立分析诊断,以明显强化、轻度强化和无明显强化对比分析增强三维快速扰相梯度回波T1WI(T1GRE3D-FS)序列和增强T2FIR系列对TBM脑膜病变和脑实质的显示程度。结果 增强T2FLAIR系列52例显示脑膜明显强化占92.5%;4例不明显强化占7.5%。T1GRE3D-FS序列 8例明显强化占14%,39例轻度强化占70%;9例无明显强化占16%。增强T2FLAIR系列43例显示脑实质明显强化占76.8%;13例轻度强化占23.2%。T1GRE3D-FS序列48例明显强化占86%;8例轻度强化占14%。两系列对脑实质的显示均有轻度强化。结论 增强T2FAIR系列可作为TBM早期常规系列用于TBM的MR增强检查,能显著提高TBM影像诊断的准确性,,弥补了常规MR增强TlWI对结核性脑膜炎诊断的不足。

Objective To investigate the diagnostic value of enhanced T2FAIR series in tuberculous meningitis (TBM) patients. Methods 80 patients with suspected clinical TBM and initial MR examination were selected as the basis for clinical diagnosis according to the TBM diagnostic scoring standard and the expert consensus of intracranial tuberculosis imaging classification. Finally,56 cases were clinically confirmed as positive for acid resistance in TBM. Enhanced T2FIR series scans were added after routine series craniocerebral scanning. Independent diagnostic analysis was performed by three experienced imaging specialists. By different levels of diagnosis with significant enhancement, mild enhancement and no mild enhancement, we made contrast analysis in display of enhanced three-dimensional fast scrambling phase gradient echo T1WI (T1GRE3D-FS) sequence and enhanced T2FIR series on TBM meningeal lesions and brain parenchyma. Results 52 cases of enhanced T2FLAIR series showed significant enhancement of the meninges in 92.5%; in 4 cases,7.5% were not significantly enhanced. 8 cases of T1GRE3D-FS sequences were significantly enhanced, accounting for 14%, 39 cases of mild enhancement accounted for 70%; no significant enhancement was found in 9 cases, accounting for 16%. Enhanced T2FLAIR series of 43 cases showed significant enhancement of brain parenchyma accounted for 76.8%; 13 cases of mild enhancement accounted for 23.2%. 48 cases of T1GRE3D-FS sequences were significantly enhanced accounted for 86%; 8 cases of mild enhancement accounted for 14%. Both series showed mild enhancement of brain parenchyma. Conclusion The enhanced T2FAIR series can be used as TBM early routine series for MR enhanced examination, it may significantly improve the accuracy of TBM imaging diagnosis, to make up the deficiency of conventional MR.