新疆伊犁维吾尔族,哈萨克族和蒙古族指纹白线正常值分析

对我国新疆伊犁维吾尔族，哈萨克族和蒙古族共１３７５人的指纹白线正常值分布进行了研究。这三个民族的指纹白线出现率分别是２３．３６％，２０．３１％和９．２％，并进行了性别，指别和不同民族间差异的比较。     

Loss of heterozygosity at chromosomes 3, 6, 8, 11, 16, and 17 in ovarian cancer: correlation to clinicopathological variables

Tumor specimens from 78 epithelial ovarian cancer patients were examined for loss of heterozygosity (LOH) at 11 microsatellite markers at chromosomes 3p14.2, 6q27, 8p12, 11p15.5, 11q23.1-q24, 16q24.3, and 17p13.1, to evaluate the involvement, possible clustering, and prognostic significance of these lesions in the progression of the disease. The LOH analysis was performed on polymerase chain reaction (PCR)-amplified DNA from sections of paraffin-embedded tumor and normal tissue pairs. In addition to primary tumors, specimens of metastatic tissues were studied from 19 patients. In the combined results from primary and metastatic tumors, LOH frequencies varied between 31% (6q27) and 69% (17p13.1). Only LOH at chromosomal regions 3p14.2 (D3S1300), 11p15.5 (D11S1318), 11q23.3-q24 (D11S1340 and D11S912), 16q24.3 (D16S476 and D16S3028), and 17p13.1 (D17S938) was associated with an adverse disease course. Our results indicate that LOH at 17p13.1 occurs independently from the other chromosomal sites studied, and is an early event in ovarian tumorigenesis. The LOH at 16q24.3, 11q23.3/q24, and 11p15.5 seems to occur later. The LOH at 11p15.5 and 11q23.3 was associated with reduced cancer-specific survival time; therefore, the studied markers could be located close to genes with influence on patient survival. Of the studied chromosomal regions, the most important tumor suppressor genes involved in the evolution of ovarian cancer appear to be located on chromosomes 11, 16, and 17. The genetic heterogeneity observed in primary and metastatic specimens demonstrates that there are multiple pathways involved in the progression of ovarian cancer.     

Torsed wandering spleen as a cause of recurrent abdominal pain in a child

Wandering spleen is an uncommon cause of acute abdomen in children. Diagnosis of this condition is challenging due to its non-specific symptoms, varying intensity and protracted history of presentation. Radiographs and ultrasound imaging provide rapid and reliable means to diagnose this condition without exposure to excessive radiation. We present a case of a torsed wandering spleen in a child with recurrent abdominal pain. We highlight the role of imaging in identifying salient radiographic and sonographic signs for diagnosis.     

Similar chemokine receptor profiles in lymphomas with central nervous system involvement – possible biomarkers for patient selection for central nervous system prophylaxis,a retrospective study

Central nervous system (CNS) relapse occurs in around 5% of diffuse large B‐cell lymphoma (DLBCL) cases. No biomarkers to identify high‐risk patients have been discovered. We evaluated the expression of lymphocyte‐guiding chemokine receptors in systemic and CNS lymphomas. Immunohistochemical staining for CXCR4, CXCR5, CCR7, CXCL12, and CXCL13 was performed on 89 tissue samples, including cases of primary central nervous system lymphoma (PCNSL), secondary CNS lymphoma (sCNSL), and systemic DLBCL. Also, 10 reactive lymph node samples were included. Immunoelectron microscopy was performed on two PCNSLs, one sCNSL, one systemic DLBCL, and one reactive lymph node samples, and staining was performed for CXCR4, CXCR5, CXCL12, and CXCL13. Chi‐square test was used to determine correlations between clinical parameters, diagnostic groups, and chemokine receptor expression. Strong nuclear CXCR4 positivity correlated with systemic DLBCL, whereas strong cytoplasmic CXCR5 positivity correlated with CNS involvement (P = 0.003 and P = 0.039). Immunoelectron microscopy revealed a nuclear CXCR4 staining in reactive lymph node, compared with cytoplasmic and membranous localization seen in CNS lymphomas. We found that CNS lymphoma presented a chemokine receptor profile different from systemic disease. Our findings give new information on the CNS tropism of DLBCL and, if confirmed, may contribute to more effective targeting of CNS prophylaxis among patients with DLBCL.     

股骨粗隆间骨折286例临床疗效分析

目的探讨股骨粗隆间骨折的治疗方法及临床疗效。方法选择喀什地区第一人民医院2007年1月—2012年1月股骨粗隆间骨折患者286例,分别采用DHS(dynamic condylar screw)、DCS(dynamic hip screw)解剖钢板、锁定解剖钢板内固定,人工髋关节置换等方法进行治疗,按Harris疗效评定标准对临床疗效进行评价。结果 286例均获随访,随访时间6～24个月,平均19.2个月,全部治愈,优242例,良31例,中13例,差0例,优良率为95.45%。结论根据分型应用DHS、DCS、解剖钢板、锁定解剖钢板及人工髋关节置换等方法治疗股骨粗隆间骨折,疗效可靠,并发症少。     

P53,Ki-67蛋白在口腔鳞癌中的表达意义及与预后的关系

目的:研究细胞周期相关蛋白P53和核蛋白抗原Ki67在口腔鳞癌组织中的表达及其与预后的相关性,寻找预后判断的有效生物标志物。方法:用免疫组织化学EnVision染色法的方法检测随访资料完整的132例口腔鳞癌患者术后石蜡切片中P53、Ki67蛋白的表达,研究口腔鳞癌组织中P53、Ki67与病理特征的相关性及口腔鳞癌预后的相关性。结果:132例口腔鳞癌标本蛋白检测和统计分析结果表明,P53和Ki-67蛋白在口腔鳞癌中的高表达与患者细胞分化程度,肿瘤T分期和肿瘤原发灶有关(P＜0.05);P53蛋白的表达水平与口腔鳞癌术后生存率呈显著的相关性(P＜0.05);Ki67蛋白的表达水平与口腔鳞癌术后生存时间并无显著的相关性。结论:口腔鳞癌患者癌组织标本的P53表达水平与预后呈正相关,P53有望成为口腔鳞癌预后判断的间接性生物标志物。