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胎盘部位
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  placental site
     Objective To investigate the clinical pathological characteristics and the differential diagnosis of placental site trophoblastic tumor(PSTT).
     目的 分析胎盘部位滋养细胞肿瘤 (placental site trophoblastic tumor,PSTT)的病理形态特征及其与其他肿瘤的鉴别诊断。
短句来源
     MMP-9 was expressed positive but TIMP-1 and TIMP-2 negative in most cases of the exaggerated placental site and the placenta increta besides MMP-2 positive expression.
     超常反应胎盘部位和胎盘植入不但表达MMP-2,而且多数病例MMP-9(+),但阳性强度弱,TIMP-1和TIMP-2(-);
短句来源
     Pathology study on exaggerated placental site: A report of 5 cases
     超常胎盘部位的病理学研究(附5例报告)
短句来源
     Clinical Pathologic Characteristics and Differential Diagnosis of Placental Site Trophoblastic Tumor
     胎盘部位滋养细胞肿瘤临床病理特点及鉴别诊断
短句来源
     Proliferative State and p21~(WAFI/CIPI) Expression in Placental Site Trophoblastic Tumor
     胎盘部位滋养细胞肿瘤增殖状况与p21~(WAF1/CIP1)蛋白表达
短句来源
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  “胎盘部位”译为未确定词的双语例句
     The mean endothelin in peripheral circulation were (53.72±15.28)ng/L, and (52.80±14.19)ng/L in placental circulation in peeclamptic group.
     妊高征组外周血浆ET水平为 (5 3 72± 15 2 8)ng/L ,胎盘部位子宫静脉血浆ET水平为 (5 2 80± 14 19)ng/L ,两者之间无显著性差异 (P >0 .0 1)。
短句来源
     Results: The mean NO - 2/NO - 3 in peripheral circulation and uterine? placenta circulation were (65.52±14.88)μmol/l and (70.26±12.60)μmol/l respectively in preeclampsia.
     结果 妊高征组胎盘部位子宫静脉血中NO2 -/NO3 -为 (70 2 6± 12 6 0 ) μmol/l,外周血清NO-2 /NO-3 为 (6 5 5 2± 14 88) μmol/l,二者之间无显著差异。
短句来源
     The mean endothelin in peripheral circulation were 53.72±15.28 ng/L,and 52.80 ±14.19ng/L in fetal placental circulation in peeclamptic group.
     妊高征组外周血浆 ET水平为 5 3.72± 15 .2 8ng/ L,胎盘部位子宫静脉血浆 ET水平为 5 2 .80± 14.19ng/ L ,两者之间无显著性差异 (P>0 .0 5 )。
短句来源
     Immunoreactivity for CK18, Inhibin-α and PLAP was detected in 4 PSNP cases .
     4例胎盘部位结节均对CK18、α 抑制素及PLAP均呈阳性反应。
短句来源
     Serum NO 2 -/NO 3 -,the end products of NO,were measured with Gricess reaction with nitrate reduclase. Plasma ET were measured by radioimmunoassay. Results:the mean NO 2 -/NO 3 - in peripheral circulation and uterine placenta circulation were 65.52±14.88 μmol/L and 70.26±12.60 μmol/L respectively in preeclampsia.
     结果 :妊高征组外周血清 NO2 - / NO3-为 6 5 .5 2± 14.88μmol/ L,胎盘部位子宫静脉血中NO2 - / NO3-为 70 .2 6± 12 .6 0 μmol/ L,二者之间无显著差异。
短句来源
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  相似匹配句对
     Placenta site nodules and plaques
     胎盘部位结节
短句来源
     Diagnosis and Therapeutics of Placental Site Trophoblastic Tumor
     胎盘部位滋养细胞肿瘤的诊治
短句来源
     Conformational Flexibility of Enzyme Active Sites
     活性部位的柔性
短句来源
     saponite in the middle and illite+mixed-layer illite-montmorillonite in the top layer zone.
     中部位—皂石 ;
短句来源
     Management of placenta percreta (Fren)
     胎盘植入的处理(法国)
短句来源
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  placental site
Der ?placental site trophoblastic tumor" (PSTT) als tumor?se Proliferation zeigt in 10-20% einen malignen Verlauf, der aus der initialen Morphologie schwer zu prognostizieren ist.
      
Der ?placental site trophoblastic tumor" (PSTT) ist ein sehr seltener, meist benigner Tumor, der sich jedoch in 10-15% der F?lle klinisch maligne verh?lt.
      
Final diagnoses were retained placenta accreta in seven cases, retained normally attached placenta in four, hematoma in two, and placental site trophoblastic tumor (PSTT) in one.
      
Metastasizing placental site trophoblastic tumor: Immunohistochemical and DNA analysis 2 case reports and a review of the litera
      
A rare placental site trophoblastic tumor (PSTT) in a 39-year-old female was studied.
      
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Placental site trophoblastic tumor (PSTT) is an unique and interesting pathological entity with somewhat unpredictable behavior here 10 cases of the rare uterine tumors are reported with its clinical, histo logical, immunocytochemical and ultrastructural features. The clini cal presentations of the patients were irregular vaginal bleeding or amenorrhea and uterine enlargement with positive or negative pregnant tests.Histologically,the tumors were composed of large intermediate like cells which invaded the myometrium...

Placental site trophoblastic tumor (PSTT) is an unique and interesting pathological entity with somewhat unpredictable behavior here 10 cases of the rare uterine tumors are reported with its clinical, histo logical, immunocytochemical and ultrastructural features. The clini cal presentations of the patients were irregular vaginal bleeding or amenorrhea and uterine enlargement with positive or negative pregnant tests.Histologically,the tumors were composed of large intermediate like cells which invaded the myometrium diffusely, in small clusters or in large sheets. The results of immunocytochemical study showed a strong positive HPL staining of tumor cells in the cases of PSTT with benigh behavior and a strong HCG staining of tumor cells in the cases with aggressive behavior. Thus, it seems that higher HCG value of pregnant test, high mitotic figures and strong HCG staining of the tumor cells might be correlated with a rather aggressive behavior. Also, the histological, ultrastructural and immunocytochemical features of our cases of PSTT support that PSTT originates from intermediate trophoblastic cells.

报告10例胎盘部位滋养层细胞肿瘤,平均年龄28.8岁,都有生育史。临床表现为阴道不规则流血或闭经。病理组织学特征为多边形或梭形胞浆丰富的瘤细胞弥漫或片状、索条状浸润于子宫肌纤维间。电镜下瘤细胞表面有少量微绒毛,瘤细胞间可见桥粒。免疫组化染色显示良性病例HPI强阳性,恶性病例HCG明显阳性。病人血HCG值明显升高,瘤细胞核分裂增多,HCG染色阳性增强似可作为提示生物学行为的参考。

Using a silver staining technique, nucleolar organizer regiom-associated proteins (Ag-nor) have been studied in paraffin sections of five placenta, one syncytial endometritis, 22 hydatidiforms, 10invasive moles, two placental-site intermediate trophoblastic tumors (PSTT) and 19 choriocarcinomas.A significant difference was found between the numbers of AgNOR in the nuclei of benigntrophoblastic tumors(from a mean of 1 to 2.1 per nucleus) and those of malignant trophoblastictumors (a mean of 4. 5 to 6. 9 per nucleus),...

Using a silver staining technique, nucleolar organizer regiom-associated proteins (Ag-nor) have been studied in paraffin sections of five placenta, one syncytial endometritis, 22 hydatidiforms, 10invasive moles, two placental-site intermediate trophoblastic tumors (PSTT) and 19 choriocarcinomas.A significant difference was found between the numbers of AgNOR in the nuclei of benigntrophoblastic tumors(from a mean of 1 to 2.1 per nucleus) and those of malignant trophoblastictumors (a mean of 4. 5 to 6. 9 per nucleus), also significant difference in the nuclei of syncytiotrophoblast (from a mean of 3. 8 to 4.7 per nucleus) and cytotrophoblast (a mean of 7. 8 to8. 7 ), and the. types of AgNOR distribution are different in benign and malignant trophoblastic tumors. Benign diseases diffuse type, and malignant ones appear granule type. It is suggested that this method, previously largly the province of the cytogeneticist, shound find widespread applications in the field of tumor histopathology.

运用核仁蛋白组成区嗜银蛋白染色术检测了5例正常胎盘,1例合体细胞子宫内膜炎,22例葡萄胎,10例恶性葡萄胎,2例胎盘部位中间型滋养细胞肿瘤和19例绒癌,发现恶性滋养细胞肿瘤的AgNOR/核均数明显高于良性滋养细胞肿瘤(P<0.001),细胞滋养细胞中的AgNOR/核均数亦明显高于合体滋养细胞(P<0.001)。同时发现良恶性滋养细胞肿瘤的AgNOR颗粒分布类型也不同,良性病变以弥漫型为主,而恶性病变以颗粒型为主,表明主要用于细胞遗传学的AgNOR技术在肿瘤病理学上有广泛的应用价值。

Immunohistochemical expression of cytokeratin and epithelial membrane antigen (EMA) on five placentas, 23 hydatidiform moles, 12 invasive moles, four placental-site intermediate trophoblastic tumors (PSTT) and 28 gestational choriocarcinoma have been studied by the ABC method. Results showed relatively strong expressions of cytokeratin and EMA in the normal placenta and trophoblastic tumors with positive rates of 91% and 94%, respectively. The positive rates of EMA and cytokeratin on the syncytiotrophoblast...

Immunohistochemical expression of cytokeratin and epithelial membrane antigen (EMA) on five placentas, 23 hydatidiform moles, 12 invasive moles, four placental-site intermediate trophoblastic tumors (PSTT) and 28 gestational choriocarcinoma have been studied by the ABC method. Results showed relatively strong expressions of cytokeratin and EMA in the normal placenta and trophoblastic tumors with positive rates of 91% and 94%, respectively. The positive rates of EMA and cytokeratin on the syncytiotrophoblast (ST), the intermediate trophoblast (IT) and the cytotrophoblast (CT) are different. ST, IT and CT showed 94% 89.6% and 92 .5% positive expression of EMA. IT is more intensively positive for EMA than cytokeratin (P<0.01). It's the first time that we found ERA to be an excellent mark of IT.

应用抗上皮细胞膜抗原(EMA)和角蛋白(cytokeratin,CK)等单克隆抗体对正常胎盘、葡萄胎、浸润性葡萄胎、胎盘部位中间型滋养细胞肿瘤(PSTT)和绒癌等进行免疫组织化学研究,结果发现 EMA和 CK在正常滋养细胞及其肿瘤中皆有较高的表达,阳性率分别为94%和 91%,并且在合体滋养细胞(ST)、细胞滋养细胞(CT)和中间型滋养细胞(IT)中皆有不同程度的表达,其中,EMA的阳性表达在ST中94%,IT中89·6%,CT中92.5%; CK的表达在ST中91%、IT中53.7%和CT中85.1%,EMA在IT的表达明显优于CK(P<0.01),提示EMA是IT的优良标志物。

 
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