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https://www.readbyqxmd.com/read/28647396/testicular-cancer-the-usage-of-central-review-for-pathology-diagnosis-of-orchiectomy-specimens
#1
Saul E Harari, Daniel J Sassoon, David S Priemer, Joseph M Jacob, John N Eble, Anna Caliò, David J Grignon, Mohammed Idrees, Costantine Albany, Timothy A Masterson, Nasser H Hanna, Richard S Foster, Thomas M Ulbright, Lawrence H Einhorn, Liang Cheng
BACKGROUND: Radical orchiectomy specimens present a unique set of challenges for pathology assessment owing to their rarity and complexity. This study compares second opinion pathology reports generated at a single, large academic institution to primary reports from outside hospitals. METHODS: A database search was conducted for orchiectomy cases that were sent to our institution for management of testicular cancer from 2014 to 2015. Cases sent for consultation without a finalized diagnosis from the outside hospitals were excluded...
June 21, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28646334/extent-of-mediastinal-lymphadenectomy-and-survival-in-superficial-esophageal-squamous-cell-carcinoma
#2
Seong Yong Park, Dae Joon Kim, Taeil Son, Yong Chan Lee, Chang Young Lee, Jin Gu Lee, Kyung Young Chung
BACKGROUND: The aim of this study is to investigate the utility of total mediastinal lymphadenectomy (ML) in superficial esophageal squamous cell carcinoma (ESCC). METHODS: The medical records of 129 patients who underwent esophagectomy and lymph node dissection for pathologically confirmed pT1 ESCC between July 2006 and December 2014 were retrospectively reviewed. Limited ML, such as traditional 2-field or transhiatal esophagectomy, was performed in 42 patients (group 1), and total ML, including the bilateral recurrent laryngeal nerve nodes, was performed in 87 patients (group 2)...
June 23, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28646155/breast-cancer-multi-classification-from-histopathological-images-with-structured-deep-learning-model
#3
Zhongyi Han, Benzheng Wei, Yuanjie Zheng, Yilong Yin, Kejian Li, Shuo Li
Automated breast cancer multi-classification from histopathological images plays a key role in computer-aided breast cancer diagnosis or prognosis. Breast cancer multi-classification is to identify subordinate classes of breast cancer (Ductal carcinoma, Fibroadenoma, Lobular carcinoma, etc.). However, breast cancer multi-classification from histopathological images faces two main challenges from: (1) the great difficulties in breast cancer multi-classification methods contrasting with the classification of binary classes (benign and malignant), and (2) the subtle differences in multiple classes due to the broad variability of high-resolution image appearances, high coherency of cancerous cells, and extensive inhomogeneity of color distribution...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28645097/raman-spectroscopy-differentiates-between-sensitive-and-resistant-multiple-myeloma-cell-lines
#4
Domenico Franco, Sebastiano Trusso, Enza Fazio, Alessandro Allegra, Caterina Musolino, Antonio Speciale, Francesco Cimino, Antonella Saija, Fortunato Neri, Marco S Nicolò, Salvatore P P Guglielmino
Current methods for identifying neoplastic cells and discerning them from their normal counterparts are often nonspecific and biologically perturbing. Here, we show that single-cell micro-Raman spectroscopy can be used to discriminate between resistant and sensitive multiple myeloma cell lines based on their highly reproducible biomolecular spectral signatures. In order to demonstrate robustness of the proposed approach, we used two different cell lines of multiple myeloma, namely MM.1S and U266B1, and their counterparts MM...
June 15, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28644811/applying-pattern-recognition-to-high-resolution-images-to-determine-cellular-signaling-status
#5
Michael F Lohrer, Darrin M Hanna, Yang Liu, Kang-Hsin Wang, Fu-Tong Liu, Ted A Laurence, Gang-Yu Liu
Two frequently used tools to acquire high-resolution images of cells are scanning electron microscopy (SEM) and atomic force microscopy (AFM). The former provides a nanometer resolution view of cellular features rapidly and with high throughput, while the latter enables visualizing hydrated and living cells. In current practice, these images are viewed by eye to determine cellular status, e.g. activated versus resting. Automatic and quantitative data analysis is lacking. This work develops an algorithm of pattern recognition that works very effectively for AFM and SEM images...
June 21, 2017: IEEE Transactions on Nanobioscience
https://www.readbyqxmd.com/read/28644771/biomarker-based-phase-ii-trial-of-savolitinib-in-patients-with-advanced-papillary-renal-cell-cancer
#6
Toni K Choueiri, Elizabeth Plimack, Hendrik-Tobias Arkenau, Eric Jonasch, Daniel Y C Heng, Thomas Powles, Melanie M Frigault, Edwin A Clark, Amir A Handzel, Humphrey Gardner, Shethah Morgan, Laurence Albiges, Sumanta Kumar Pal
Purpose Patients with advanced papillary renal cell carcinoma (PRCC) have limited therapeutic options. PRCC may involve activation of the MET pathway, for example, through gene amplification or mutations. Savolitinib (AZD6094, HMPL-504, volitinib) is a highly selective MET tyrosine kinase inhibitor. We report results of a single-arm, multicenter, phase II study evaluating the safety and efficacy of savolitinib in patients with PRCC according to MET status. Patients and Methods Patients with histologically confirmed locally advanced or metastatic PRCC were enrolled and received savolitinib 600 mg orally once daily...
June 23, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28644734/high-throughput-phenotypic-screening-of-kinase-inhibitors-to-identify-drug-targets-for-polycystic-kidney-disease
#7
Tijmen H Booij, Hester Bange, Wouter N Leonhard, Kuan Yan, Michiel Fokkelman, Steven J Kunnen, Johannes G Dauwerse, Yu Qin, Bob van de Water, Gerard J P van Westen, Dorien J M Peters, Leo S Price
Polycystic kidney disease (PKD) is a prevalent disorder characterized by renal cysts that lead to kidney failure. Various signaling pathways have been targeted to stop disease progression, but most interventions still focus on alleviating PKD-associated symptoms. The mechanistic complexity of the disease, as well as the lack of functional in vitro assays for compound testing, has made drug discovery for PKD challenging. To identify modulators of PKD, Pkd1(-/-) kidney tubule epithelial cells were applied to a scalable and automated 3D cyst culture model for compound screening, followed by phenotypic profiling to determine compound efficacy...
June 1, 2017: SLAS Discovery
https://www.readbyqxmd.com/read/28644140/a-pathways-based-prediction-model-for-classifying-breast-cancer-subtypes
#8
Tong Wu, Yunfeng Wang, Ronghui Jiang, Xinliang Lu, Jiawei Tian
Breast cancer is highly heterogeneous and is classified into four subtypes characterized by specific biological traits, treatment responses, and clinical prognoses. We performed a systemic analysis of 698 breast cancer patient samples from The Cancer Genome Atlas project database. We identified 136 breast cancer genes differentially expressed among the four subtypes. Based on unsupervised clustering analysis, these 136 core genes efficiently categorized breast cancer patients into the appropriate subtypes. Functional enrichment based on Kyoto Encyclopedia of Genes and Genomes analysis identified six functional pathways regulated by these genes: JAK-STAT signaling, basal cell carcinoma, inflammatory mediator regulation of TRP channels, non-small cell lung cancer, glutamatergic synapse, and amyotrophic lateral sclerosis...
June 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28644065/ventricular-pseudodiverticula-from-intraparenchymal-cerebrospinal-fluid-dissection-secondary-to-high-grade-obstructive-hydrocephalus-in-children-magnetic-resonance-imaging-findings
#9
Sonia F Calloni, Bruno P Soares, Thierry Agm Huisman
We report on a series of three children who presented with a focal cerebrospinal fluid collection within the periventricular white matter of the temporal and occipital lobes in the setting of high-grade obstructive hydrocephalus. Magnetic resonance imaging showed a focal defect within the ventricular wall associated with leakage of cerebrospinal fluid into the adjacent white matter. The white matter tracts appeared primarily displaced. This entity should be referred to as ventricular pseudodiverticulum, not lined by ependymal cells, in contrast to a true ventricular diverticulum in which the cerebrospinal fluid is contained by a focal outpouching of the intact ventricular wall lined by a dilated and prolapsed layer of ependymal cells...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28643684/-adult-t-cell-leukemia-lymphoma-report-of-a-case-in-uruguay
#10
Matilde Boada, Sofía Grille, Andreina Brugnini, Natalia Trias, Cecilia Canesa, Lilián Díaz, Daniela Lens
Adult T-cell leukemia/lymphoma belongs to the group of mature T-cell malignancies according to the WHO classification. It constitutes a rare entity and has a strong association with infection by human T-lymphotropic virus 1. In Uruguay, this viral infection is very infrequent and, to our knowledge, no case of adult T-cell leukemia/lymphoma has been previously reported. We describe the case of a woman, immigrant from Peru, who presented with persistent lymphocytosis, intestinal parasitic diseases, and skin involvement...
2017: Medicina
https://www.readbyqxmd.com/read/28643426/cell-of-origin-classification-by-gene-expression-and-myc-rearrangements-in-diffuse-large-b-cell-lymphoma-of-children-and-adolescents
#11
Monika Szczepanowski, Jonas Lange, Christian W Kohler, Neus Masque-Soler, Martin Zimmermann, Sietse M Aukema, Michael Altenbuchinger, Thorsten Rehberg, Friederike Mahn, Reiner Siebert, Rainer Spang, Birgit Burkhardt, Wolfram Klapper
We present the largest series of diffuse large B-cell lymphoma (DLBCL) in patients younger than 18 years analysed to date by gene expression profiling using Nanostring technology to identify molecular subtypes and fluorescent in situ hybridization for translocations of MYC. We show that the activated B cell-like subtype of DLBCL is exceedingly rare in children and - in contrast to adults- not associated with outcome. Furthermore, we review the current literature and demonstrate that MYC translocations are not more frequent in paediatric compared to adult DLBCL...
June 23, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28642604/turning-the-tide-in-myelodysplastic-myeloproliferative-neoplasms
#12
REVIEW
Michael W N Deininger, Jeffrey W Tyner, Eric Solary
Myelodysplastic syndromes/myeloproliferative neoplasms (MDS/MPN) are aggressive myeloid malignancies recognized as a distinct category owing to their unique combination of dysplastic and proliferative features. Although current classification schemes still emphasize morphology and exclusionary criteria, disease-defining somatic mutations and/or germline predisposition alleles are increasingly incorporated into diagnostic algorithms. The developing picture suggests that phenotypes are driven mostly by epigenetic mechanisms that reflect a complex interplay between genotype, physiological processes such as ageing and interactions between malignant haematopoietic cells and the stromal microenvironment of the bone marrow...
June 23, 2017: Nature Reviews. Cancer
https://www.readbyqxmd.com/read/28640401/two-stage-approach-for-risk-estimation-of-fetal-trisomy-21-and-other-aneuploidies-using-computational-intelligence-systems
#13
A C Neocleous, A Syngelaki, K H Nicolaides, C N Schizas
OBJECTIVE: To estimate the risk for fetal trisomy 21 (T21) and other chromosomal abnormalities at 11-13 week's gestation using computational intelligence classification methods. METHODS: As a first step, we train the artificial neural networks with 72054 euploid pregnancies, 295 cases of T21 and 305 of other chromosomal abnormalities (OCA). Then, we sort the cases into two categories of "no-risk" and "risk". The cases of "no-risk" are no further examined, while the cases with "risk" are forwarded in Stage 2 for further examination where we classify them in three types of risk, namely "no-risk", "moderate-risk" and "high-risk"...
June 22, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28640095/aldehyde-dehydrogenase-1-expression-is-correlated-with-poor-prognosis-in-breast-cancer
#14
Juan Yao, Qin Jin, Xu-Dong Wang, Hui-Jun Zhu, Qi-Chao Ni
Breast cancer (BC) is one of the most common cancers worldwide, and is a major cause of death in women. Aldehyde dehydrogenase 1 (ALDH1) is a marker of stem cells and cancer stem cells, and its activity correlates with the outcome of various tumors, including BC. This study aimed to analyze the relationship between ALDH1 expression and clinicopathological characters in BC and the prognostic significance of ALDH1.We used quantitative reverse-transcription PCR (qRT-PCR) to detect ALDHA1 mRNA levels in 25 fresh frozen BC samples and matched noncancerous samples...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28639598/haematological-profile-of-patients-with-mixed-phenotype-acute-leukaemia-from-a-tertiary-care-centre-of-north-india
#15
Manupriya Sharma, Man Updesh Singh Sachdeva, Parveen Bose, Neelam Varma, Subhash Varma, R K Marwaha, Pankaj Malhotra
BACKGROUND & OBJECTIVES: Mixed-phenotype acute leukaemia (MPAL) is a rare neoplasm with no definite treatment protocols and a distinctly poor outcome. Advancement in polychromatic flow cytometry has made its identification easier. This prospective study was designed to identify cases of MPAL and study their clinical presentation and haematological profile in a tertiary care hospital in north India. METHODS: Ethylenediaminetetraacetic acid (EDTA)-anticoagulated bone marrow aspirate samples of patients diagnosed as acute leukaemia (AL) on the basis of morphology were utilized for immunophenotyping...
February 2017: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28639577/characteristics-of-good-s-syndrome-in-china-a-systematic-review
#16
REVIEW
Jin-Pei Dong, Wen Gao, Gui-Gen Teng, Yu Tian, Hua-Hong Wang
BACKGROUND: Good's syndrome (GS) is a rare disease characterized by thymoma, hypogammaglobulinemia, low or absent B-cells, decreased T-cells, an inverted CD4+/CD8+ T-cell ratio and reduced T-cell mitogen proliferative responses. GS is difficult to diagnose preoperatively due to its rarity and lack of typical symptoms, the characteristics of Chinese GS patients are still lacking. This study aimed to systematically review all the clinical, laboratory, and immunologic findings of reported cases of Chinese patients with GS...
July 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28638968/-large-vessel-vasculitis-giant-cell-arteritis-and-takayasu-arteritis
#17
P M Villiger
According to the Chapel Hill Classification, large vessel vasculitides encompass giant cell arteritis (GCA) and the histologically related Takakaysu arteritis (TAK). The two diseases lack autoantibodies and present with a systemic inflammatory response. GCA typically shows a sudden onset with profound sickness, loss of appetite and of body weight, and temporal headache. Due to the substantial risk of sudden blindness, diagnostic work-up has to be performed immediately and treatment started without delay. A close association between polymyalgia rheumatica (PMR) and GCA is well established...
June 21, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28638800/prostatic-adenocarcinoma-oncocytic-variant-case-report-and-literature-review
#18
Matthew M Klairmont, Nadeem Zafar
The oncocytic variant of prostatic adenocarcinoma is exceptionally rare with only 4 cases reported in the English literature. Little is known about the clinical behavior of this variant of prostatic adenocarcinoma, because of the exceptionally low number of reported cases. The 2016 World Health Organization Classification of Tumors of Prostate does not recognize the oncocytic variant, again likely related to the exceptional paucity of reported cases. Here, we report the fifth case of the oncocytic variant of acinar type prostatic adenocarcinoma in an asymptomatic 64-year-old Caucasian American male with elevated serum prostate specific antigen (7...
June 10, 2017: World Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28638740/tumor-cells-pd-l1-expression-as-a-favorable-prognosis-factor-in-nasopharyngeal-carcinoma-patients-with-pre-existing-intratumor-infiltrating-lymphocytes
#19
Qian Zhu, Mu-Yan Cai, Chang-Long Chen, Hao Hu, Huan-Xin Lin, Min Li, De-Sheng Weng, Jing-Jing Zhao, Ling Guo, Jian-Chuan Xia
Programmed death ligand 1 (PD-L1) expression represents a mechanism of immune escape by inhibiting T cell immunity. This study systematically evaluated the expression of PD-L1, spatial distribution of CD3(+) immune cells and the relationship of both factors to survival in nasopharyngeal carcinoma (NPC) patients. A total of 209 NPC patients treated between 1991 and 2000 were included. Pairs of TMAs were immunohistochemically stained with PD-L1 and CD3. Survival analysis was evaluated according to PD-L1 status and the spatial distribution of CD3(+) immune cells in the primary lesion microenvironment...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28633097/results-of-the-first-international-hiv-1-coreceptor-proficiency-panel-test
#20
Eva Heger, Rolf Kaiser, Elena Knops, Maria Neumann-Fraune, Eugen Schuelter, Alejandro Pironti, Thomas Lengauer, Hauke Walter, Saleta Sierra
BACKGROUND: Quality Assurance (QA) programs are essential to evaluate performance in diagnostics laboratories. OBJECTIVES: We present the results from the first QA for HIV-1 genotypic tropism testing, organized and coordinated by the Institute of Virology at the University of Cologne. STUDY DESIGN: 12 cell culture-derived viral strains of different HIV-1 clades from the NIH AIDS Reagent Program were sent to the participants to be processed with their standard diagnostic methods Fasta files containing the V3 region sequence were centrally analyzed at the Institute of Virology, Cologne...
June 10, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
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