论著
目的 探讨转录因子E盒结合锌指蛋白1(ZEB1)、溶酶体相关膜蛋白5(LAMP5)在结直肠癌组织中的表达水平分析及预后预测价值。方法 选取驻马店市中心医院2018年1月—2020年1月收治的120例结直肠癌患者,分别采取所有患者的结直肠癌组织及癌旁组织进行免疫组化染色,对比ZEB1、LAMP5阳性率。对比不同病理特征结直肠癌患者ZEB1、LAMP5表达水平差异。对所有患者进行4年随访,依照随访结果将患者分为2个亚组,即预后不良组(n=35)和预后良好组(n=85),对比两组患者一般临床特征及ZEB1、LAMP5表达水平,应用Logistic回归分析ZEB1、LAMP5对结直肠癌预后的预测价值。结果 结直肠癌组织ZEB1、LAMP5相对表达量(38.26±5.49、26.77±3.85)与ZEB1、LAMP5阳性率(86.67%、72.22%)高于癌旁组织(15.46±2.54、8.04±1.59、23.33%、15.56%],对比差异有统计学意义(t=41.280,χ2=25.437;t=49.255,χ2=16.071;P<0.05)。不同TNM分期[Ⅰ~Ⅱ期(35.55±4.13)、Ⅲ~Ⅳ期(42.32±4.75)]、淋巴结转移患者[是(44.37±4.28)、否(35.84±3.77)]、肿瘤分化程度[低分化(35.27±4.57)、中高分化(41.34±4.60)]ZEB1相对表达量对比差异有统计学意义(t=-8.281,P<0.001;t=10.746,P<0.001;t=-7.253,P<0.001);不同TNM分期[Ⅱ期(24.88±3.37)、Ⅲ~Ⅳ期(29.61±2.57)]、淋巴结转移[是(30.72±2.19)、否(25.21±3.19)]、肿瘤分化程度[低分化(24.57±3.62)、中高分化(29.04±2.55)]患者LAMP5相对表达量对比差异有统计学意义(t=-8.254,P<0.001;t=9.227,P<0.001;t=-7.797,<0.001);预后良好组与预后不良组患者性别、年龄、大体类型、肿瘤大小对比差异无统计学意义(P>0.05),预后良好组与预后不良组患者TNM分期、淋巴结转移、肿瘤分化程度、ZEB1、LAMP5阳性比例对比差异有统计学意义(P<0.05);Logistic回归分析显示:淋巴结转移、ZEB1阳性、LAMP5阳性为结直肠癌预后不良独立预测因素(P<0.05)。结论 ZEB1、LAMP5在结直肠癌组织中呈现高表达状态,且与结直肠癌的发生有关,同时ZEB1、LAMP5是结直肠癌预后的独立预测因素,两者有希望成为结直肠癌的治疗靶点。
Objective To investigate the expression levels and prognostic value of transcription factor E-box binding to zinc finger protein 1(ZEB1)and lysosomal associated membrane protein 5(LAMP5)in colorectal cancer tissues. Methods A total of 120 colorectal cancer patients admitted to a hospital from January 2018 to January 2020 were selected.Immunohistochemical staining was performed on the colorectal cancer tissues and adjacent tissues of all patients,and the positivity rates of ZEB1 and LAMP5 were compared.The expression levels of ZEB1 and LAMP5 in colorectal cancer patients with different pathological characteristics were compared.All patients were followed up for 4 years and divided into two subgroups based on the follow-up results,namely the poor prognosis group(n=35)and the good prognosis group(n=85).The general clinical characteristics and expression levels of ZEB1 and LAMP5 were compared between the two groups.Logistic regression analysis was used to evaluate the predictive value of ZEB1 and LAMP5 for the prognosis of colorectal cancer. Results The relative expression level of ZEB 1 and LAMP 5 in colorectal cancer tissues [(38.26±5.49),(26.77±3.85)] and the positive rate of ZEB 1 and LAMP 5(86.67%,72.22%)were significantly higher than that of adjacent tissues [(15.46±2.54),(8.04±1.59),23.33%,15.56%],the contrast difference was statistically significant(t=41.280,χ2=25.437;t=49.255,χ2=16.071;P<0.05).Relative ZEBI expression levels in different TNM stages [I-Ⅱstage(35.55±4.13),Ⅲ-Ⅳstage(42.32±4.75)],lymph node metastasis[Yes(44.37±4.28),No(35.84±3.77)],degree of tumor differentiation [hypodifferentiated(35.27±4.57),and middle or high differentiated(29.04±2.55)],those differences were statistically significant(t=-8.254,P<0.001;t=9.227,P<0.001;t=-7.797,P<0.001).The relative expression of LAMP 5 between different TNM stages [I-Ⅱstage(24.88±3.37),Ⅲ-Ⅳstage(29.61±2.57)],lymph node metastasis [yes(30.72±2.19),no(25.21±3.19)],degree of tumor differentiation [hypodifferentiated(24.57±3.62),and middle or high differentiated(29.04±2.55)],the contrast was statistically significant(t=-8.254,P<0.001;t=9.227,P<0.001;t=-7.797,P<0.001).There were no differences in gender,age,gross type,and tumor size between the good prognosis group and the poor prognosis group(P>0.05),while there were differences in TNM stages,lymph node metastasis,tumor differentiation degrees,ratio of ZEB 1 and LAMP 5(P<0.05).Logistic regression analysis showed that TNM stage,lymph node metastasis,ZEB 1 positive,and LAMP 5 positive were independent predictive factors of poor prognosis in colorectal cancer(P<0.05). Conclusions ZEB1 and LAMP5 are highly expressed in colorectal cancer tissues and closely related to the occurrence and development of colorectal cancer.ZEB1 and LAMP5 are independent prognostic factors for colorectal cancer,and they have the potential to become therapeutic targets for colorectal cancer.
论著
目的 探讨原发于前列腺的产黏液尿路上皮型腺癌的临床病理特征、诊断及鉴别诊断。方法 对1例极其罕见的原发于前列腺的产黏液尿路上皮型腺癌病例的临床诊治经过、病理组织学及免疫组织化学特征进行观察和总结,并复习国内外相关文献。结果 患者77岁,因排尿困难入院, B超提示前列腺增大,前列腺异常回声性质待查;CT及肠镜检查均未发现膀胱及结直肠恶性肿瘤;血清PSA未见升高。在当地医院行前列腺穿刺检查,病理诊断为前列腺黏液腺癌。遂于我院行腹腔镜下前列腺根治手术,镜下表现为黏液腺癌伴多量黏液湖形成,并见尿路上皮的腺性化生及原位腺癌与黏液腺癌的移行过渡;免疫组化示CK7及34βE12弥漫表达,CDX-2及CEA局灶表达,其余CK20、β-catenin、GATA3、PSA、PSAP、AR及P504S均阴性。结论 原发于前列腺的产黏液尿路上皮型腺癌十分罕见,其预后差,对内分泌治疗不敏感,准确诊断将有利于指导临床医生选择正确的治疗方法及评估其预后。
Objective To investigate clinicopathological characteristics, diagnosis and differential diagnosis of primary mucin-producing urothelial-type adenocarcinoma of prostate. Methods We reported a rare case of mucin-producing urothelial-type adenocarcinoma of prostate and reviewed relevant literatures to discuss the clinicopathological features, diagnosis and differential diagnosis. Results In this case, the patient was a 77-year-old male with the history of dysuria. B-ultrasound indicated benign prostatic enlargement and abnormal echogenicity remained to be determined. CT scan and gastrointestinal endoscopy didn't show any evidence of bladder and colorectal tumor. No serum prostate-specific antigen (PSA) increased. The patient underwent laparoscopic radical resection of prostate cancer. Microscopically, the tumor presented as mucinous carcinoma, similar to colorectal mucinous carcinoma, but the migration from the normal prostatic urethra was observed and the urethral epithelium at the transitional site was characterized by adenoepithelial metaplasia and adenocarcinoma in situ. Immunohistochemical staining showed neoplastic cells were diffuse and strongly positive for CK7 and 34βE12, focally positive for CDX-2 and CEA and negative for CK20, β-catenin, GATA3, PSA, PSAP, AR and P504S. Conclusion Mucin-producing urothelial-type adenocarcinoma of prostate is an extremely rare tumor. It has a poor prognosis and it is not sensitive to endocrine therapy.
论著
目的 分析肺肝样腺癌(HAL)的临床病理特征、诊断、免疫表型、基因检测及治疗预后等。方法 对1例HAL临床及影像学、组织学形态、免疫组化及基因检测结果等进行观察,并结合相关文献综合分析。结果 患者为48岁吸烟男性,镜下肿瘤具有肝细胞样和腺样分化特征,血清AFP升高。免疫组化: Hepatocyte,AFP, Arginase-1均阳性,ARMS-PCR法均未检测到EGFR,ALK/ROS1,KRAS及BRAF突变。结合相关文献分析: HAL常见于有吸烟史的男性,血清AFP值升高也是该肿瘤的一个特点。肿物多见于肺上叶,体积较大,易发生淋巴结和远处转移,预后相对较差。结论 HAL非常少见,易误诊,其诊断需结合形态学特点、临床病理特征及免疫组化结果等。
Objective To explore the clinicopathologic characteristics, diagnosis, immunophenotype, gene detection and prognosis of primary hepatoid adenocarcinoma of the lung (HAL). Methods A case of hepatoid adenocarcinoma of the lung was analyzed with clinical manifestations, histology, immunohistochemical staining and gene detection, and relevant literatures were reviewed. Results The patient was a 48-years-old man with smoking history. Microscopically, the tumor has the characteristics of hepatocellular carcinoma and adenoid differentiation, also serum AFP was elevated. The immunohistochemical results showed that Hepatocyte, AFP and Arginase-1were positive. No mutations were detected for EGFR, ALK/ROS1, KRAS and BRAF by ARMS-PCR. Combining with literature analysis, HAL is common in males and most patients with this tumor are smokers. Serum AFP in very high levels has been a distinguishing feature of this tumor. HAL usually presents as a large bulky solitary mass in the upper lobe. Lymph nodes and distant metastases are prone to occur. Therefore, the prognosis is very poor. Conclusion HAL is a rare malignant tumor and easy to be misdiagnosed. The diagnosis of primary hepatoid adenocarcinoma of the lung should be combined with morphological features, clinicopathological features and immunohistochemical findings.
临床诊疗
目的 应用不同冲洗液对慢性创面上应用的封闭负压吸引装置进行冲洗,对比两种冲洗方法的优劣,为临床应用提供参考。方法 对比两组冲洗液冲洗后创面肉芽组织生长情况,疼痛度,堵管率,住院天数,细菌培养及药敏试验结果等情况。结果 呋喃西林组对比于生理盐水组能更好的促进肉芽组织生长[(9.41±1.12) vs (7.76±0.67)],能缩短患者平均住院日[(29.44±1.88) vs (32.79±1.74)]d,但是对于减轻疼痛度、降低堵管率方面两者效果相当(P>0.01)。同时细菌培养显示创面感染以革兰阴性菌为主,呋喃西林组细菌检出率低于生理盐水组(62.5% vs 82.5%);呋喃西林组部分细菌对呋喃西林产生耐药性,而生理盐水组这种情况较之少见(68% vs 36.36%)。结论 ①呋喃西林冲洗在促进肉芽组织生长,缩短平均住院日方面优于生理盐水组。②两种方法均能有效防止引流管的堵塞情况。③呋喃西林冲洗可降低细菌检出率,但能使部分细菌产生对呋喃西林的耐药性。
Objective: To compare the effects of two different liquid in negative pressure wound therapy for chronic wounds, provide the reference for clinical application. Methods: The growth of granulation tissue, pain degree, plugging rate, average hospitalization days, bacterial culture and drug sensitivity test results were compared after the two liquid was used. Results: Nitrofural group compared with the saline group can promote the growth of granulation tissue[(9.41±1.12) vs (7.76±0.67)], shorten the average days of hospitalization[(29.44±1.88) vs (32.79±1.74)]; but for the relief of pain degree and the plugging rate, the effects was similar(P>0.01, the difference was not significant). At the same time, bacterial test showed that there were almost gram-negative bacteria, bacteria detection rate (62.5%) in Nitrofural group was less than that in the saline group (82.5%); Nitrofural group has more nitrofurazone resistant bacteria(68%), and the saline group performs not the same(36.36%). Conclusion: ① Furacilin irrigation could promote the growth of granulation tissue, shorten the average hospitalization days. ②The two methods can effectively prevent the blockage of the drainage tube. ② Furacilin irrigation can reduce the detection rate of bacteria, but cannot prevent the resistance of nitrofurazone.
论著
目的 探讨子宫内膜微腺体癌的临床病理特征、诊断及鉴别诊断。方法 对1例首诊误诊为子宫颈微腺体增生的子宫内膜微腺体癌病例进行临床、病理组织学及免疫组织化学特征的观察及总结,同时进行相关文献复习。结果 本例患者年龄61岁,因绝经后阴道不规则流血1年就诊,B超提示子宫内膜不规则增厚,并行分段诊刮术,先后两次诊刮标本光镜下均见黏液性柱状上皮呈乳头状及网格状结构,细胞轻度异型,核分裂罕见,间质内大量中性粒细胞浸润伴腺上皮内“微脓肿”形成;免疫组化示:上皮成分P16弥漫强(+),CEA小灶(+),Vimentin弥漫(+),ER约90%(+,中-强),PR约90%(+,弱),Ki-67约3%(+),间质细胞CD10(+)、CD34(-)。结论 子宫内膜微腺体癌是一种极为罕见的子宫内膜黏液腺癌,其组织学形态与子宫颈良性病变微腺体增生十分相似,易于混淆,但通过免疫组化检查及详细地临床病史资料收集、分析,可以与其鉴别,从而做出正确地诊断。
Objective To investigate clinical and histopathological features, dignosis and differential diagnosis of the endometrial microglandular adenocarinoma (MGA). Methods The clinical and pathological features of microglandular adenocarinoma in a patient were observed. Immunohistochemical staining and literature review were also used. Results In the case, the age of patient was 61 years. Clinical manifestation was vaginal irregular bleeding for 1 year. Type-B ultrasound suggested endometrium was irregular thickening. Histologically, it was mainly composed of irregular shape, closely spaced small glands, and glandular cells was mild atypical. Mitosis was rarely observed. The endometrial stromata between gland were rare, but neutrophil were much observed with the formation of neutrophil microabscess in the glandular epithelium. Immunohistochemical study showed neoplastic cells were diffuse and strongly positivity for P16, diffuse positivity for vimentin, focally positive for CEA. ER and PR expression was found in approximately 90% tumor cells. The index of Ki-67 was about 3%. Interstitial cells were positivity for CD10, negativity for CD34. Conclusion The microglandular adenocarcinoma is a rare endometrial adenocarcinoma. It can be differentiated from cervical microglandular hyperplasia(MGH) and cervical mucinous adenocarcinoma by immunohistochemistry and morphological characteristics.