目的 探索α-突触核蛋白(α-Syn)干预对人单核细胞白血病细胞系(THP-1)巨噬细胞源性泡沫细胞的影响。方法 通过佛波酯(PMA)和氧化型低密度脂蛋白(ox-LDL)构建THP-1巨噬细胞源性泡沫细胞模型,使用不同浓度(33、66、100、133 nmol/L)α-Syn处理泡沫细胞,随后检测细胞胆固醇含量和炎症因子白细胞介素-1β(IL-1β)、白细胞介素-6(IL-6)及白细胞介素-8(IL-8)的mRNA表达以及核因子κB(NF-κB)和凝集素样氧化低密度脂蛋白受体-1(LOX-1)的蛋白表达变化。结果 高剂量(100和133 nmol/L)α-Syn处理可以减少THP-1巨噬细胞源性泡沫细胞内胆固醇的含量(P<0.05),并且减少IL-1β、IL-6和IL-8的mRNA表达(P<0.05)。进一步发现(100 nmol/L和133 nmol/L)α-Syn可以降低THP-1巨噬细胞源性泡沫细胞p-NF-κB和LOX-1的蛋白表达(P<0.05)。结论 α-Syn可以降低THP-1源性巨噬细胞泡沫细胞胆固醇蓄积和炎症反应,可能是通过下调p-NF-κB和LOX-1蛋白表达。
Objective To explore the effects of α-synuclein(α-Syn)intervention on human monocytic leukemia cell(THP-1)macrophage-derived foam cells.Methods The THP-1 macrophage-derived foam cell model was constructed by phorbol 12-myristate 13-acetate(PMA)and oxidized low-density lipoprotein(ox-LDL).Foam cells were treated with different concentrations(33, 66, 100, and 133 nmol/L)of α-Syn, and the cellular cholesterol contents, as well as the mRNA expression of IL-1β、IL-6 and IL-8 were detected.Subsequently,alternation in protein expression of NF-κB and LOX-1 was measured.Results High-dose(100 and 133nmol/L)α-Syn treatment significantly reduced the levels of intracellular cholesterol in THP-1-derived macrophage foam cells(P<0.05)and decreased the mRNA expression of IL-1β、IL-6 and IL-8(P<0.05).It was further found that(100 nmol/L and 133 nmol/L)α-Syn decreased the protein expression of p-NF-κB and LOX-1 in THP-1 macrophage-derived foam cells(P<0.05).Conclusions The results of the present study suggest that α-Syn reduces cholesterol accumulation and inflammatory response in THP-1-derived macrophage foam cells, possibly by down-regulating p-NF-κB and LOX-1 protein expression.
目的 观察桂枝加芍药汤个体化干预治疗儿童功能性腹痛的临床疗效。方法 选取2023年100名在广东省妇幼保健院门急诊就诊确诊为儿童功能性腹痛患儿。100名儿童随机分为两组,益生菌组50名、益生菌+中药个体化干预组50名。连续治疗1周。记录两组患儿卧立位心率、卧立位血压、Rutter 儿童行为量表和中医临床症状的改善情况。结果 益生菌+中药个体化干预组患儿治疗后卧立位心率和Rutter儿童行为量表中N行为评分比益生菌组下降,中医临床症状评分的有效率优于益生菌组。结论 桂枝加芍药汤个性化干预治疗儿童功能性腹痛疗效显著。
Objective To observe the clinical efficacy of individualized intervention with Guizhi plus Shaoyao Decoction in children with functional abdominal pain disorders(FAPDs).Methods A total of 100 children diagnosed with FAPDs at the outpatient and emergency departments of Guangdong Women and Children Hospital were selected.These children were randomly divided into two groups:the probiotics group(50 cases)and the probiotics+traditional Chinese medicine individualized intervention group(50 cases).Both groups received continuous treatment for 1 week.Parameters including supine/upright heart rates,supine/upright blood pressure,Rutter Children’s Behavior Questionnaire,and improvements in traditional Chinese clinical symptom scores were recorded.Results The probiotics+traditional Chinese medicine individualized intervention group exhibited significantly greater reductions in supine/upright heart rates and N-behavior scores compared to the probiotics group.The effective rate of Chinese clinical symptom scores was also significantly higher in the individualized intervention group.Conclusions Individualized intervention of Guizhi plus Shaoyao Decoction has a remarkable efficacy in treating FAPDs in children.
目的 研究非酒精性脂肪肝老年人体质辨识及中医治未病服务对其治疗效果。方法 选择2023年1月—2024年1月贵州中医药大学第一附属医院就诊的非酒精性脂肪性肝病老年患者70例作为研究对象,根据患者就诊顺序分配为两组。对照组35例,接受常规干预;观察组35例,其在对照组基础上予中医“治未病”理念下体质辨识干预模式。比较两组干预效果,以及干预前后血脂水平、肝功能、生存质量的变化。结果 观察组的治疗总有效率91.43%,高于对照组的68.57%,差异有统计学意义(P<0.05)。治疗前,两组各项血脂水平、肝功能、慢性肝病问卷(CLDQ)评分比较,差异无统计学意义(P>0.05);治疗后,两组各项血脂水平优于治疗前,各项肝功能低于治疗前,CLDQ评分高于治疗前,差异有统计学意义(P<0.05);治疗后,观察组的各项血脂水平优于对照组,各项肝功能低于对照组,CLDQ评分高于对照组,差异有统计学意义(P<0.05)。结论 对非酒精性脂肪性肝病老年患者而言,中医“治未病”理念下体质辨识干预服务能够提高其治疗效果,调节血脂水平的异常,改善肝功能及生存质量,值得应用。
Objective To study the physical identification of nonalcoholic fatty liver in the elderly and the therapeutic effect of traditional Chinese medicine on preventing disease before arising.Methods A total of 70 elderly patients with nonalcoholic fatty liver disease treated in the First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine from January 2023 to January 2024 were selected as the study objects.Patients were assigned to two groups,control group(35 cases)received routine intervention,observation group(35 cases)received physical identification intervention based on preventing disease before arising of traditional Chinese medicine additionally.The effect of intervention and the changes of blood lipid levels,liver function and quality of life before and after intervention were compared between the two groups.Results The total effective rate of the observation group was 91.43%,higher than that of the control group(68.57%),the difference was statistically significant(P<0.05).Before treatment,there were no significant differences in blood lipid levels,liver function and CLDQ scores between the two groups(P>0.05).After treatment,the levels of blood lipids were better than those before treatment,liver function was lower than that before treatment,CLDQ score was higher than that before treatment,the difference was statistically significant(P<0.05).After treatment,the blood lipid levels of the observation group was better than that of the control group,the liver function was lower than that of the control group,and the CLDQ score was higher than that of the control group,with statistical significance(P<0.05).Conclusions For elderly patients with nonalcoholic fatty liver disease,the intervention service of body constitution identification under the concept of preventing disease before arising of traditional Chinese medicine can improve the therapeutic effect,regulate the abnormal blood lipid levels,improve liver function and quality of life,which is worthy of application.
目的 了解育龄期乳腺癌患者对子代健康和遗传风险担忧现状及其对癌症诊断前后生育意愿改变的影响。方法 于2019年11月—2020年9月,采用中文版癌症后生育忧虑量表(RCAC)-子女健康亚量表对广州市某三甲医院的230例育龄期乳腺癌患者进行调查,应用SPSS 26.0及PSM插件对结果进行统计分析。在进行子女健康亚量表得分低分组和中高分组患者的生育意愿改变率的比较时,应用倾向性评分匹配法控制混杂因素。结果 育龄期乳腺癌患者对子代健康和遗传风险担忧得分为(11.40±2.99)分;匹配前后不同子女健康亚量表得分分组的患者在癌症诊断前后生育意愿改变率的差异均不具有统计学意义(P>0.05)。结论 育龄期乳腺癌患者对子代健康和遗传风险的担忧虽然没有显著影响其生育意愿的改变,但其对子代健康和遗传风险担忧处于较高水平,临床医护人员应提高对这一现象的重视,可通过多渠道科普相关知识,开展遗传咨询服务以减轻患者的担忧。
Objective To explore the current status of childbearing age breast cancer patients’ concerns about their children’s health and genetic risk and its influence on the change of fertility intention before and after cancer diagnosis.Methods From November 2019 to September 2020,the Chinese version of the Reproductive Concern After Cancer Scale(RCAC)- Children’s Health Sub-scale was used to interview 230 patients with breast cancer of childbearing age in a tertiary hospital in Guangzhou,and SPSS 26.0 and PSM plug-in were used to analyze the results statistically.The propensity score matching method was used to control confounding factors when comparing the change rate of fertility intention of patients with low scores and those with medium and high scores in the children health subscale.Results The score of concern for the health and genetic risk of children in breast cancer patients of childbearing age was(11.40±2.99).There was no statistically significant difference in the change rate of fertility intention before and after cancer diagnosis among patients with different subscale scores of children’s health.Conclusions Despite not significantly impacting fertility intentions,the notably high level of concern regarding children’s health and genetic risks among childbearing-age breast cancer patients necessitates increased clinical awareness.It is recommended that healthcare professionals address this through multi-channel education and genetically focused counseling within a collaborative model to mitigate patient distress.
目的 探究认知行为疗法联合治疗性沟通在对内镜黏膜下剥离(ESD)术患者心理及治疗依从性的效果。方法 前瞻性选取2023年3月至2025年3月鹰潭市一八四医院收治的122例行ESD术的患者作为研究对象,采用随机数字表法将患者分为A、B组,B组56例患者采取治疗性沟通干预,A组66例患者采用认知行为疗法联合治疗性沟通干预,两组均连续干预2个月。比较两组患者干预前后焦虑自评量表(SAS)、抑郁自评量表(SDS)评分、心理弹性量表(CD-RISC)评分、Herth希望指数量表(HHI)评分差异,对比两组干预依从性。结果 干预后,两组SAS、SDS评分均下降且A组低于B组(t分别为12.096、10.326,P<0.05);干预后,两组CD-RISC量表各项评分均提高且A组高于B组(t分别为18.483、12.060、13.622,P<0.05);干预后,两组HHI量表各项评分均上升且A组高于B组(t分别为1.289、11.568、12.527、13.794,P<0.05);A组患者总依从率96.97%(64/66)高于B组80.36%(45/56)(χ 2 =8.782,P<0.05)。结论 认知行为疗法联合治疗性沟通在ESD术患者中干预效果理想,能够明显改善患者负性情绪,提高心理弹性及对疾病康复的希望水平,有效提升依从性。
Objective To explore the effect of cognitive behavioral therapy combined with therapeutic communication on psychological health and therapy compliance of patients undergoing endoscopic submucosal dissection(ESD).Methods Prospectively,122 patients who underwent ESD at Yingtan 184 Hospital from March 2023 to March 2025 were selected as the research subjects.These patients were randomly divided into Group A and Group B using the random number table method,and 56 patients in group B were treated with therapeutic communication,66 patients in group A were treated with cognitive behavioral therapy combined with therapeutic communication,and both groups were continuously intervened for 2 months.The scores of Self-Rating Anxiety Scale(SAS),Self-Rating Depression Scale(SDS),Connor-Davidson Resilience Scale(CD-RISC)and Herth Hope Index(HHI)were compared between the two groups before and after treatment.Therapy compliance between the two groups was compared.Results After treatment,the SAS and SDS scores of the two groups were decreased,and the scores of group A was lower than that of group B(t=12.096,10.326,P<0.05)after the intervention,the scores of the CD-RISC scale of the two groups were improved,and the score of group A was higher than that of group B(t=18.483,12.060,13.622,P<0.05).After intervention,the scores of HHI scale in both groups increased and score of group A was higher than that ofgroup B(t=11.289,11.568,12.527,13.794,P<0.05).The total compliance rate of patients in group A was 96.97%(64/66),which was significantly higher than 80.36%(45/56)in group B(χ 2 =8.782,P<0.05).Conclusions Cognitive-behavioral therapy combined with therapeutic communication has an ideal effect in ESD patients,which can significantly improve patients’ negative emotions,psychological resilience and hope for disease recovery,and also therapy compliance.
目的 探讨基于思维导图的绿色通道急救干预对急性心肌梗死患者介入治疗的效果。方法 对天津市人民医院2022年1月—2024年12月收治的80例AMI患者进行研究,依照收治时间进行分组,将2022年1月—2023年6月采取常规急救流程干预的40例患者分为常规组,将2023年7月—2024年12月的采取基于思维导图的绿色通道急救干预的40例患者分为思维导图组。比较两组患者急救效率、急救前后生命体征(心率、舒张压、收缩压)、心肌损伤指标[磷酸肌酸激酶(CK-MB)及肌钙蛋白Ⅰ(cTnI)],最后比较两组患者干预满意度。结果 对比急救效率发现,思维导图组的预检时间、会诊时间、导管室激活时间、急诊送至PCI手术时间均短于常规组(P<0.05);对比急救前后生命体征发现,与急救前对比,急救后两组的心率、舒张压、收缩压均降低(P<0.05),急救前后两组心率、舒张压、收缩压比较差异无统计学意义(P>0.05);对比急救前后心肌损伤指标发现,急救前两组CK-MB、cTnI比较差异无统计学意义(P>0.05),急救后,思维导图组CK-MB、cTnI低于常规组与急救前(P<0.05);对比干预满意度发现,思维导图组干预满意度为100.00%,高于常规组的85.00%(P<0.05)。结论 基于思维导图的绿色通道急救干预可提升AMI患者的急救效率,稳定患者生命体征,减轻心肌损伤的同时,提升患者干预满意度。
Objective To explore the effect of green channel emergency nursing based on mind mapping on percutaneous coronary intervention(PCI) of patients with acute myocardial infarction(AMI).Methods A study was conducted on 80 AMI patients admitted to Tianjin People’s Hospital from January 2022 to December 2024.The patients were divided into two groups based on their admission time.The 40 patients who received routine emergency nursing interventions from January 2021 to June 2023 were assigned to the conventional group,while the 40 patients who received green channel emergency nursing based on mind mapping from July 2023 to November 2024 were assigned to the mind mapping group.The emergency treatment efficacy,vital signs(heart rate,diastolic blood pressure,systolic bloodpressure),myocardial injury indicators(phosphocreatine kinase[CK-MB],and troponin I[cTn1])between two groups of patients before and after emergency treatment were compared.Results The pre-examination time,consultation time,catheterization room activation time and emergency room to PCI operation time of mind mapping group were all shorter than those of conventional group(P<0.05).Compared with the vital signs before and after emergency treatment,we found that the heart rate,diastolic pressure and systolic blood pressure of the two groups decreased after emergency treatment(P<0.05),and there was no significant difference between the heart rate,diastolic pressure and systolic blood pressure of the two groups before and after emergency treatment(P>0.05).Comparing the myocardial injury indicators before and after emergency treatment,there was no significant difference in CK-MB and cTn1 between the two groups before emergency treatment(P>0.05).After emergency treatment,CK-MB and cTn1 in the mind map group were lower than those in the conventional group and before emergency treatment(P<0.05).Comparing the intervention satisfaction,it was found that the mind mapping group of 100.00% was higher than the conventional group of 85.00%(P<0.05).Conclusions Green channel emergency nursing based on mind mapping can improve the efficiency of emergency treatment for AMI patients,stabilize their vital signs,reduce myocardial injury,improve patient intervention satisfaction.
目的 通过对压疮不同治疗方式的分析,探讨疾病诊断相关分组(DRG)组合的特征,提高核心疾病诊断相关组(ADRG)的入组率和提升相对权重值,从而提升医疗服务效率和水平。方法 使用医院DRGs分析评价系统以及EXCEL软件筛选出2023—2024年广州市第一人民医院主要诊断压疮疾病病例,分析ADRG组合的特征。结果 根据压疮疾病不同治疗方式,主要诊断为压疮(L89)的176病例进入相对的外科治疗组和内科治疗组,ADRG组分别为JD1组合、JJ1组合、JV1组合。JJ1组合治疗方案以创面封闭式负压引流为主;JD1组合的外科治疗方式均是以皮肤和皮下坏死组织的切除清创术+创面封闭式负压引流术(VSD)的手术治疗方案。JD13组、JD15组比JJ13组、JJ15组,相对权重分别高2.35和1.48。26例患者的住院时间均超过60 d,导致进入了QY组合。结论 利用好DRGs工具能有效地提高压疮的入组率,结合精细化的首页质量管理,提升DRGs的组合权重值及医疗服务效率和水平。
Objective To analyze different treatment methods for pressure ulcers and explore the characteristics of Diagnosis-Related Groups(DRGs)to improve the admission rate of Adjacent DRGs(ADRGs)and enhance the relative weight value,thereby improving the efficiency and level of medical services.Methods Using the DRGs management system and EXCEL software,cases of pressure ulcer disease from Class A tertiary hospital in Guangzhou from 2023 to 2024 were selected,with pressure ulcers as the primary diagnosis,and analyzed the characteristics of ADRG combinations.Results Based on different treatment methods for pressure ulcers,176 cases primarily diagnosed with pressure ulcers(L89)were categorized into relative surgical and medical treatment groups,with ADRG groups being JD1,JJ1,and JV1 combinations.The JJ1 group’s treatment plan primarily focused on closed wound negative pressure drainage,the surgical treatment method for JD1 group involved skin and subcutaneous necrotic tissue excision and debridement surgery combined with closed wound negative pressure drainage(VSD).The relative weights of JD13 and JD15 groups were 2.35 and 1.48,higher than those of JJ13 and JJ15 groups.Twenty-six cases had an average hospital stay exceeding 60 days,leading to their categorization into the QY group.Conclusions Utilizing the DRG tool effectively improves the admission rate for pressure ulcer diseases.By combining it with refined quality management on the first page of medical records,the combination weight value of DRGs and the efficiency and level of medical services can be enhanced.
目的 探讨断指再植患者采用微波理疗联合康复训练的影响。方法 回顾性选取2022年1月—2023年12月于福州市第二总医院进行断指再植的患者,采用康复训练的50例患者纳入对照组,采用微波理疗联合康复训练的51例患者纳入观察组,对比两组干预1个月后的毛细血管反应情况、感知恢复情况、疼痛评分、手指功能及日常生活能力情况。结果 干预1个月后, 观察组患指的温度[(28.43±5.86)℃ vs (26.15±5.39)℃,t=2.025,P<0.001]、毛细血管反应[(9.76±2.63)cm/s vs(7.36±2.23)cm/s,t=4.922,P=0.046,]高于对照组(P<0.05);观察组的英国医学研究委员会感觉评分[(15.79±3.75)分 vs(11.88±3.13)分,t=5.660,P<0.001]高于对照组;观察组第2周[(3.72±0.88)分 vs(4.39±0.92)分,t=3.721,P<0.001]、4周后[(2.67±0.32)分 vs(3.03±0.52)分,t=4.169,P=0.001]的视觉模拟量表(VAS)评分低于对照组(P<0.05);观察组的密歇根手功能量表(MHQ)评分[(61.05±10.68)分 vs(52.58±10.21)分,t=4.054,P<0.001]高于对照组(P<0.05);观察组的生活质量综合评定表(GQLI-74)评分[(320.16±55.25)分 vs(270.85±50.06)分,t=4.677,P<0.001]高于对照组(P<0.05);观察组的Barthel指数[(75.71±12.84)分 vs(68.58±12.23)分,t=2.843,P=0.005]高于对照组(P<0.05)。结论 微波理疗联合康复训练能够提高断指再植患者的手指功能,减轻患者疼痛,改善日常生活质量。
Objective To explore the effect of microwave physiotherapy combined with rehabilitation training on finger function and daily living ability of patients with severed finger replantation.Methods Patients who underwent replantation of severed fingers in our hospital from January 2022 to December 2023 were selected retrospectively.Fifty patients who received rehabilitation training were included in the control group,51 patients who were intervened by microwave physiotherapy combined with rehabilitation training were included in the observation group.The blood circulation,sensory recovery,pain score,finger function and daily living ability of the two groups were compared.Results The temperature([28.43±5.86]℃ vs [26.15±5.39]℃,t=2.025,P<0.001) and capillary reaction([9.76±2.63]cm/s vs [7.36±2.23]cm/s,t=4.922,P=0.046) of the affected fingers in the observation group were higher(P<0.05).The sensory score([15.79±3.75] vs [11.88±3.13],t=5.660,P<0.001)of the observation group was higher than that of the control group(P<0.05).The visual analogue scale(VAS)scores of the observation group at the second week([3.72±0.88] vs [4.39±0.92],t=3.721,P<0.001) and four weeks later([2.67±0.32]vs [3.03±0.52],t=4.169,P=0.001)were lower than those of the control group(P<0.05).The score of Michigan Hand Outcome Questionnair(MHQ)([61.05±10.68] vs [52.58±10.21],t=4.054,P<0.001) in the observation group was higher(P<0.05).The GQLI-74 score([320.16±55.25] vs [270.85±50.06]) and Barthel index([75.71±12.84] vs[68.58±12.23],t=2.843,P=0.005)in the observation group were higher(P<0.05).Conclusions Microwave physiotherapy combined with rehabilitation training can improve the finger function,relieve the pain and improve the quality of daily life of patients with severed fingers.
目的 分析广州番禺地区鹦鹉热衣原体肺炎患者临床表现、实验室及胸部CT特征、并发症以及治疗方案,为其临床诊治提供参考。方法 回顾性分析2022年1月—2024年7月在广州市番禺区何贤纪念医院通过二代测序技术确诊的10例鹦鹉热感染患者的临床资料。结果 5例(5/10)患者有明确的鸟类或禽类接触史,8例(8/10)患者以发热为首发症状,发热(10/10)、咳嗽、咳痰(10/10)、呼吸困难(7/10)、相对缓脉(8/10)是主要临床表现。患者白细胞计数通常正常或轻微升高;多数患者存在有不同程度的电解质紊乱(10/10)及肝功能损伤(8/10)、乳酸脱氢酶升高(8/10),白蛋白显著降低(8/10)和C反应蛋白显著升高(10/10)。最常见的胸部CT异常为多肺叶受累的斑片状或片状实变,而重症患者多合并双侧胸腔积液。大多数患者经四环素或喹诺酮类单用,或者四环素联用β-内酰胺类抗菌药物治疗,预后良好。结论 有鸟类或禽类接触史、以发热为首发或主要症状、存在相对缓脉、白细胞计数升高不明显等临床特征可有助于区分鹦鹉热衣原体肺炎与其他传统细菌性肺炎,但这并不能确诊。二代测序技术是确诊鹦鹉热衣原体感染的很好方法,可以缩短诊断延误时间并改善患者预后。
Objective To describe the clinical,laboratory and chest CT characteristics as well as the complications and treatments of Chlamydia psittaci pneumonia patients in Panyu district of Guangzhou,to provide reference for clinical diagnosis and treatment.Methods A retrospective study was conducted on the clinical characteristics of Chlamydia psittaci pneumonia patients who were diagnosed by next-generation sequencing in Panyu Hexian Memorial Hospital of Guangzhou form January 2022 to July 2024.Results Half patients had a definite history of bird or poultry exposure.Fever(100%),cough,sputum(100%),dyspnea(70%),relative bradycardia(80%)were the main clinical presentation.The total white cell counts were usually normal or slightly increased.Most patients had electrolyte disturbance(100%),liver function impairment(80%),lactic dehydrogenase increased(80%),albumin decreased(80%)and C reactive protein increased remarkably(100%).The most common chest CT abnormality was patchy or flaky hyper densities and consolidation,bilateral pleural effusion was common in severe patients.All patient exhibited good recovery after being treated with tetracycline or quinolone alone,or tetracycline in combination with other antibiotics.Conclusions These characteristics may help distinguish Chlamydia psittaci pneumonia from other traditional bacterial pneumonia,but they are not definitive.Next-generation sequencing may be a promising approach to confirm Chlamydia psittaciinfection,which can shorten the diagnostic delay time and improve the prognosis of patients.
目的 探讨多参数MRI在鉴别乳腺影像报告和数据系统(BI-RADS)4类乳腺病变良恶性中的应用。方法 回顾性分析2022年1月—2024年12月于同济大学附属东方医院庐江分院行乳腺MRI检查为BI-RADS 4类且病理结果明确肿瘤的病例268例,其中良性组166例(包括乳腺纤维腺瘤93例,导管内乳头状瘤39例,乳腺囊性增生24例,乳腺分叶状肿瘤2例,浆细胞性乳腺炎8例),恶性组102例(包括浸润性导管癌89例,浸润性小叶癌6例,黏液癌2例,炎性乳腺癌5例)。对比分析单一序列和多序列联合诊断BI-RADS 4类乳腺病变良、恶性的效能;绘制基于多参数MRI受试者工作特征(ROC)曲线,并计算曲线下面积(AUC)、特异度和灵敏度,量化多序列对于BI-RADS 4类乳腺病变良恶性的诊断效能。结果 基于多参数MRI联合诊断效能最高(AUC:0.912,95%CI:0.871~0.953),特异度为0.922,灵敏度为0.902;基于ADC值评估BI-RADS 4类乳腺病变最佳截断值为0.84×10-3 mm2 /s,且均具有统计学意义(P<0.05)。结论 基于多参数MRI能够有效诊断BI-RADS 4类乳腺病变的良、恶性,为乳腺外科疾病进一步诊疗提供影像学诊断依据。
Objective To explore the application of multiparametric MRI in differentiating benign and malignant lesions classified as BI-RADS category 4 in breast imaging.Methods A total of 268 cases of breast MRI classified as BI-RADS category 4 with confirmed tumor pathology were retrospectively analyzed from January 2022 to December 2024 at the Tongji University Oriental Hospital Lujiang Branch. Among them,166 cases were categorized as benign lesions(including 93 cases of breast fibroadenoma,39 cases of intraductal papilloma,24 cases of cystic hyperplasia,2 cases of lobular tumor,and 8 cases of plasma cell mastitis),while 102 cases were categorized as malignant lesions(including 89 cases of invasive ductal carcinoma,6 cases of invasive lobular carcinoma,2 cases of mucinous carcinoma,and 5 cases of inflammatory breast cancer).The efficacy of single-sequence versus combined multiple-sequence imaging in diagnosing benign and malignant BI-RADS category 4 breast lesions was compared and analyzed.The diagnostic efficacy of the multiparametric MRI sequences was quantified by plotting a receiver operating characteristic curve and calculating the area under the curve(AUC),as well as the specificity and sensitivity.Results The combined diagnostic efficacy of multiparametric MRI yielded the highest performance,with an AUC of 0.912(95%CI:0.871-0.953),demonstrating a specificity of 0.922 and a sensitivity of 0.902.The optimal cutoff value for differentiating BI-RADS category 4 breast lesions based on apparent diffusion coefficient values was determined to be 0.84×10-3 mm2 /s,with all results being statistically significant(P<0.05).Conclusions Multiparametric MRI can effectively diagnose benign and malignant lesions classified as BI-RADS category 4,providing a reliable imaging basis for further diagnosis and treatment in breast surgery.