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https://www.readbyqxmd.com/read/28416105/do-clear-cell-papillary-renal-cell-carcinomas-have-malignant-potential-diolombi-ml-cheng-l-argani-p-epstein-ji-am-j-surg-pathol-december-2015-39-12-1621-1634
#1
Oleksandr N Kryvenko
There have been no recurrences or metastases of clear cell papillary renal cell carcinoma (CCPRCC) in 268 reported cases with follow-up in the English-language literature. We identified all our cases of CCPRCC (1990-2013), reviewing all cases that preceded the formal designation of the entity. Immunohistochemical stains were performed on 32 cases during their initial workup. In addition, stains for carbonic anhydrase IX and cytokeratin 7 were performed on 2 cases, one with atypical follow-up and the other with a more compact morphology, although not performed initially...
April 13, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28363476/frozen-section-during-partial-nephrectomy-does-it-predict-positive-margins-gordetsky-j-gorin-ma-canner-j-ball-mw-pierorazio-pm-allaf-me-epstein-ji-bju-int-2015-dec-116-6-868-72-epub-2015-mar-23-doi-10-1111-bju-13011
#2
Max Meng
OBJECTIVE: To investigate the clinical utility of frozen section (FS) analysis performed during partial nephrectomy (PN) and its influence on intra-operative management. PATIENTS AND METHODS: We performed a retrospective analysis of consecutive PN cases from 2010 to 2013. We evaluated the concordance between the intra-operative FS diagnosis and the FS control diagnosis, a postoperative quality assurance measure performed on all FS diagnoses after formalin fixation of the tissue...
March 28, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28219002/molecular-testing-for-gastrointestinal-cancer
#3
REVIEW
Hye Seung Lee, Woo Ho Kim, Yoonjin Kwak, Jiwon Koh, Jeong Mo Bae, Kyoung-Mee Kim, Mee Soo Chang, Hye Seung Han, Joon Mee Kim, Hwal Woong Kim, Hee Kyung Chang, Young Hee Choi, Ji Y Park, Mi Jin Gu, Min Jin Lhee, Jung Yeon Kim, Hee Sung Kim, Mee-Yon Cho
With recent advances in molecular diagnostic methods and targeted cancer therapies, several molecular tests have been recommended for gastric cancer (GC) and colorectal cancer (CRC). Microsatellite instability analysis of gastrointestinal cancers is performed to screen for Lynch syndrome, predict favorable prognosis, and screen patients for immunotherapy. The epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor has been approved in metastatic CRCs with wildtype RAS (KRAS and NRAS exon 2-4). A BRAF mutation is required for predicting poor prognosis...
March 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28205059/clinical-application-of-early-gastric-carcinoma-with-lymphoid-stroma-based-on-lymph-node-metastasis-status
#4
Hyun Lim, In Seob Lee, Jeong Hoon Lee, Young Soo Park, Hyo Jeong Kang, Hee Kyong Na, Ji Yong Ahn, Do Hoon Kim, Kee Don Choi, Ho June Song, Gin Hyug Lee, Hwoon-Yong Jung, Jin-Ho Kim, Beom Su Kim, Jeong Hwan Yook, Byung Sik Kim
BACKGROUND: Gastric carcinoma with lymphoid stroma (GCLS) is characterized by undifferentiated carcinoma mixed with prominent lymphoid infiltration. GCLS has unique clinicopathological features and a better prognosis compared to other types of gastric cancer. We analyzed the clinicopathological features of early GCLS in relation to lymph node metastasis (LNM). METHODS: We performed a retrospective analysis of 241 patients diagnosed with GCLS confined to the mucosa or the submucosa between March 1998 and December 2015...
February 15, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28180998/the-prognostic-value-and-pathobiological-significance-of-glasgow-microenvironment-score-in-gastric-cancer
#5
Zhi-Hua Zhou, Cheng-Dong Ji, Jiang Zhu, Hua-Liang Xiao, Hai-Bin Zhao, You-Hong Cui, Xiu-Wu Bian
PURPOSE: To evaluate the prognostic value and pathobiological significance of Glasgow microenvironment score (GMS), a parameter based on tumor stroma percentage and inflammatory cell infiltration, in gastric cancer. METHODS: A total of 225 cases of gastric cancer were histologically reviewed, and GMS was evaluated for each case. The association between GMS and patients' survival was investigated. Then the relationship between GMS and mismatch repair (MMR) status, Epstein-Barr virus (EBV) infection were determined using immunohistochemistry (IHC) and in situ hybridization, and the expression of PD1/PD-L1 was examined...
May 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28159497/intermediate-and-longer-term-outcomes-from-a-prospective-active-surveillance-program-for-favorable-risk-prostate-cancer-tosoian-jj-mamawala-m-epstein-ji-landis-p-wolf-s-trock-bj-carter-hb-j-clin-oncol-2015-oct-20-33-30-3379-85-epub-2015-aug-31-doi-10-1200-jco
#6
Eggener Scott, M Mamawala, J I Epstein, P Landis, S Wolf, Trock, H B Carter
PURPOSE: To assess long-term outcomes of men with favorable-risk prostate cancer in a prospective, active surveillance program. METHODS: Curative intervention was recommended for disease reclassification to higher cancer grade or volume on prostate biopsy. Primary outcomes were overall, cancer-specific, and metastasis-free survival. Secondary outcomes were the cumulative incidence of reclassification and curative intervention. Factors associated with grade reclassification and curative intervention were evaluated in a Cox proportional hazards model...
March 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28029001/performance-of-the-real-q-ebv-quantification-kit-for-epstein-barr-virus-dna-quantification-in-whole-blood
#7
Hee Jae Huh, Jong Eun Park, Ji Youn Kim, Sun Ae Yun, Myoung Keun Lee, Nam Yong Lee, Jong Won Kim, Chang Seok Ki
There has been increasing interest in standardized and quantitative Epstein-Barr virus (EBV) DNA testing for the management of EBV disease. We evaluated the performance of the Real-Q EBV Quantification Kit (BioSewoom, Korea) in whole blood (WB). Nucleic acid extraction and real-time PCR were performed by using the MagNA Pure 96 (Roche Diagnostics, Germany) and 7500 Fast real-time PCR system (Applied Biosystems, USA), respectively. Assay sensitivity, linearity, and conversion factor were determined by using the World Health Organization international standard diluted in EBV-negative WB...
March 2017: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/28028999/automated-nucleic-acid-extraction-systems-for-detecting-cytomegalovirus-and-epstein-barr-virus-using-real-time-pcr-a-comparison-study-between-the-qiasymphony-rgq-and-qiacube-systems
#8
COMPARATIVE STUDY
Hanah Kim, Mina Hur, Ji Young Kim, Hee Won Moon, Yeo Min Yun, Hyun Chan Cho
BACKGROUND: Cytomegalovirus (CMV) and Epstein-Barr virus (EBV) are increasingly important in immunocompromised patients. Nucleic acid extraction methods could affect the results of viral nucleic acid amplification tests. We compared two automated nucleic acid extraction systems for detecting CMV and EBV using real-time PCR assays. METHODS: One hundred and fifty-three whole blood (WB) samples were tested for CMV detection, and 117 WB samples were tested for EBV detection...
March 2017: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/28018450/acute-gastritis-associated-with-epstein-barr-virus-infection-in-a-child
#9
Ji Mok Kim, Chun Woo Song, Kyu Sang Song, Jae Young Kim
Infectious mononucleosis is Epstein-Barr virus (EBV) inducing a self-limiting clinical syndrome characterized by fever, sore throat, hepatosplenomegaly, and generalized lymphadenopathy. Gastrointestinal symptoms of EBV infection are nonspecific and occur rarely. EBV inducing acute gastrointestinal pathology is poorly recognized without suspicion. Careful consideration is needed to diagnose gastric involvement of EBV infection including gastric lymphoma, gastric cancer, and gastritis. A few recent cases of gastritis associated with EBV infection have been reported in adolescents and adults...
November 2016: Korean Journal of Pediatrics
https://www.readbyqxmd.com/read/27835598/snhg8-is-identified-as-a-key-regulator-of-epstein-barr-virus-ebv-associated-gastric-cancer-by-an-integrative-analysis-of-lncrna-and-mrna-expression
#10
Tao Huang, Yan Ji, Dan Hu, Baozheng Chen, Hejun Zhang, Chao Li, Gang Chen, Xingguang Luo, Xiong-Wei Zheng, Xiandong Lin
The Epstein-Barr virus (EBV) is associated with a variety of cancers, including gastric cancer, which has one of the highest mortality rates of all human cancers. Long non-coding RNAs (lncRNAs) have been suggested to have important causal roles in gastric cancer. However, the interaction between lncRNAs and EBV has not yet been studied. To this end, we sequenced 11,311 lncRNAs and 144,826 protein-coding transcripts from four types of tissue: one non-EBV-infected gastric carcinoma (EBVnGC) and its adjacent normal tissue, and one EBV-associated gastric carcinoma (EBVaGC) and its adjacent normal tissue...
December 6, 2016: Oncotarget
https://www.readbyqxmd.com/read/27765925/receptor-tyrosine-kinase-amplified-gastric-cancer-clinicopathologic-characteristics-and-proposed-screening-algorithm
#11
Cheol Keun Park, Ji Soo Park, Hyo Song Kim, Sun Young Rha, Woo Jin Hyung, Jae-Ho Cheong, Sung Hoon Noh, Sang Kil Lee, Yong Chan Lee, Yong-Min Huh, Hyunki Kim
Although targeted therapy for receptor tyrosine kinases (RTKs) of advanced gastric cancers (AGCs) has been in the spotlight, guidelines for the identification of RTK-amplified gastric cancers (RA-GCs) have not been established. In this study, we investigate clinicopathologic characteristics of RA-GCs and propose a screening algorithm for their identification. We performed immunohistochemistry (IHC) for MLH1, MSH2, PMS2, MSH6, key RTKs (EGFR, HER2, MET), and p53, in situ hybridization for Epstein-Barr virus encoding RNA, and silver in situ hybridization (SISH) for EGFR, HER2, and MET using tissue microarrays of 993 AGCs...
November 1, 2016: Oncotarget
https://www.readbyqxmd.com/read/27751359/karyotypic-abnormalities-associated-with-epstein-barr-virus-status-in-classical-hodgkin-lymphoma
#12
Nathan D Montgomery, Wilborn B Coward, Steven Johnson, Ji Yuan, Margaret L Gulley, Stephanie P Mathews, Kathleen Kaiser-Rogers, Kathleen W Rao, Warren G Sanger, Jennifer N Sanmann, Yuri Fedoriw
Classical Hodgkin lymphoma (CHL) is morphologically characterized by scattered malignant Hodgkin/Reed-Sternberg (HRS) cells that are far outnumbered by surrounding reactive hematolymphoid cells. Approximately half of all cases of CHL are associated with infection by Epstein-Barr virus (EBV), an oncogenic herpesvirus that expresses a number of proteins thought to contribute to transformation. While a small number of published studies have attempted to identify recurrent cytogenetic abnormalities in CHL, no large case series have explored karyotypic differences between EBV-positive and EBV-negative tumors...
September 2016: Cancer Genetics
https://www.readbyqxmd.com/read/27735127/retrograde-and-direct-wave-locomotion-in-a-photosensitive-self-oscillating-gel
#13
Lin Ren, Weibing She, Qingyu Gao, Changwei Pan, Chen Ji, Irving R Epstein
Crawling motion mediated by retrograde and direct waves, that is, in the opposite or the same direction, respectively, as the muscular wave that generates it, is a fundamental mode of biological locomotion, from which more complex and sophisticated locomotion modes involving outgrowths such as limbs and wings may have evolved. A detailed general description of muscular wave locomotion and its relationship with other modes of locomotion is a challenging task. We employ a model of a photosensitive self-oscillating gel, in which chemical pulse waves and a stimulus-responsive medium play roles analogous to nerve pulses and deformable muscles in an animal, to generate retrograde and direct waves under non-uniform illumination...
October 13, 2016: Angewandte Chemie
https://www.readbyqxmd.com/read/27733340/cellular-models-for-mitochondrial-dna-based-diseases-lymphoblastoid-cell-lines-and-transmitochondrial-cybrids
#14
Sun Jiji, Zhao Xiaoxu, Qiao Lihua, Mei Shuang, Nie Zhipeng, Zhang Qinghai, Ji Yanchun, Jiang Pingping, Guan Min-Xin
Mitochondrial DNA (mtDNA) mutations cause a variety of mitochondrial DNA-based diseases which have been studied using Lymphoblastoid cell lines (LCLs) and transmitochondrial cybrids. Individual genetic information is preserved permanently in LCLs while the development of transmitochondrial cybrids provide ex-vivo cellular platform to study molecular mechanism of mitochondrial DNA-based diseases. The cytoplasmic donor cells for previous transmitochondrial cybrids come from patient's tissue or platelet directly...
July 20, 2016: Yi Chuan, Hereditas
https://www.readbyqxmd.com/read/27405513/the-value-of-circulating-cyfra21-1-expression-in-patients-with-nasopharyngeal-carcinoma-a-study-of-529-subjects
#15
Xin-Mao Song, Zhu-Jian Wang, Wen-Jun Cao, Ji-Li, Fu Chen, Sheng-Zi Wang
BACKGROUND: Early diagnosis of nasopharyngeal carcinoma (NPC) needs more reliable biomarkers. The aim of this study was to investigate serum cytokeratin 19 fragment 21.1 (CYFRA21-1) as an NPC biomarker based on data from a large sample. METHODS: From October 2010 to February 2014, 529 subjects were enrolled and divided into three groups-NPC group (n = 274), healthy control group (n = 175) and nasal inflammatory disease group (n = 80). Serum CYFRA21-1 levels were measured prior to radiotherapy/chemoradiotherapy, and their associations with T, N, and clinical classification were determined...
December 2016: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/27221363/biomarkers-of-ebv-positive-gastric-cancers-loss-of-pten-expression-is-associated-with-poor-prognosis-and-nodal-metastasis
#16
Hyo Jeong Kang, In-Seob Lee, Young-Soo Park, Won Jin Ho, DaHye Sohn, Ji-Yong Ahn, Jeong-Hwan Yook, Byung-Sik Kim
BACKGROUND: Epstein-Barr virus-positive gastric carcinoma (EBVGC) constitutes approximately 10 % of all gastric carcinoma cases. While distinct molecular features have been characterized previously, there have not been studies identifying their clinical utility. The purpose of this study was to investigate the immunohistochemistry (IHC) profile of EBVGC and to evaluate the potential clinicopathologic and prognostic significance of each marker. METHODS: Clinicopathologic characteristics of 234 patients (203 males and 31 females) who underwent curative gastrectomy for EBVGCs from 1998 to 2013 at Asan Medical Center, were reviewed, and IHC for ARID1A, PTEN, PD-L1, p53, p16(INK4a), MLH1, and MSH2 were performed on tissue microarrays...
October 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27166770/clinical-presentation-of-hemophagocytic-lymphohistiocytosis-in-adults-is-less-typical-than-in-children
#17
Zuojuan Zhang, Juandong Wang, Buqiang Ji, Tatiana von Bahr Greenwood, Yuan Zhang, Yongjing Wang, Dexiao Kong, Ai Li, Yang Jiang, Yanan Guo, Xiaoli Liu, Yingxue Wang, Aixia Dou, Nailin Li, Jan-Inge Henter, Guizhen Sun, Chengyun Zheng
OBJECTIVE: Hemophagocytic lymphohistiocytosis in adults is largely underdiagnosed. To improve the rate and accuracy of diagnosis in adults, the clinical and laboratory characteristics of hemophagocytic lymphohistiocytosis were analyzed in and compared between adults and children in a Chinese cohort. METHOD: Data from 50 hemophagocytic lymphohistiocytosis patients, including 34 adults and 16 children who fulfilled the 2004 hemophagocytic lymphohistiocytosis diagnostic criteria, were collected and analyzed...
April 2016: Clinics
https://www.readbyqxmd.com/read/27157296/clinicopathological-categorization-of-epstein-barr-virus-positive-t-nk-cell-lymphoproliferative-disease-an-analysis-of-42-cases-with-an-emphasis-on-prognostic-implications
#18
Jin Ho Paik, Ji-Young Choe, Hyojin Kim, Jeong-Ok Lee, Hyoung Jin Kang, Hee Young Shin, Dong Soon Lee, Dae Seog Heo, Chul-Woo Kim, Kwang-Hyun Cho, Tae Min Kim, Yoon Kyung Jeon
Epstein-Barr virus-positive T/NK-cell lymphoproliferative diseases (EBV-T/NK-LPDs) include several overlapping EBV-related conditions with variably aggressive courses. For prognostic categorization, we retrospectively analyzed 42 EBV-T/NK-LPD cases. Male (79% [33/42]), young (≤40 years; 83% [35/42]) patients and T-cell lineage (81% [34/42]; CD8/CD4 = 1.8) were predominant. Clinicopathologically, three systemic and one cutaneous category were developed: hemophagocytic lymphohistiocytosis (HLH; 26% [11/42]), chronic active EBV infection (CAEBV; 31% [13/42]), systemic unclassifiable disease (24% [10/42]), and hydroa vacciniforme/hydroa vacciniforme-like lymphoma (HV/HVL; 19% [8/42])...
January 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/27149332/cutaneous-extranodal-natural-killer-t-cell-lymphomas-histopathologically-mimicking-benign-inflammatory-disease
#19
Woo Jin Lee, Hyun Ji Kang, Chong Hyun Won, Sung Eun Chang, Jee Ho Choi, Mi Woo Lee
Few studies have evaluated the histopathological features of cutaneous extranodal NK/T-cell lymphoma (ENKTL). The authors' study aims to describe cases of cutaneous ENKTL that histopathologically mimic benign inflammatory dermatosis. The authors searched the database of Asan Medical Center to identify cases of cutaneous ENKTL that were confirmed by skin biopsy between January 1998 and December 2014. The authors included cases that were initially diagnosed as benign inflammatory disorders on the histopathological examination, but finally diagnosed as cutaneous ENKTL on further evaluation...
March 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/26951679/whole-exome-sequencing-identifies-mst1r-as-a-genetic-susceptibility-gene-in-nasopharyngeal-carcinoma
#20
Wei Dai, Hong Zheng, Arthur Kwok Leung Cheung, Clara Sze-man Tang, Josephine Mun Yee Ko, Bonnie Wing Yan Wong, Merrin Man Long Leong, Pak Chung Sham, Florence Cheung, Dora Lai-Wan Kwong, Roger Kai Cheong Ngan, Wai Tong Ng, Chun Chung Yau, Jianji Pan, Xun Peng, Stewart Tung, Zengfeng Zhang, Mingfang Ji, Alan Kwok-Shing Chiang, Anne Wing-Mui Lee, Victor Ho-Fun Lee, Ka-On Lam, Kwok Hung Au, Hoi Ching Cheng, Harry Ho-Yin Yiu, Maria Li Lung
Multiple factors, including host genetics, environmental factors, and Epstein-Barr virus (EBV) infection, contribute to nasopharyngeal carcinoma (NPC) development. To identify genetic susceptibility genes for NPC, a whole-exome sequencing (WES) study was performed in 161 NPC cases and 895 controls of Southern Chinese descent. The gene-based burden test discovered an association between macrophage-stimulating 1 receptor (MST1R) and NPC. We identified 13 independent cases carrying the MST1R pathogenic heterozygous germ-line variants, and 53...
March 22, 2016: Proceedings of the National Academy of Sciences of the United States of America
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