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https://www.readbyqxmd.com/read/28644686/cervical-adenocarcinoma-diagnosis-of-human-papillomavirus-positive-and-human-papillomavirus-negative-tumors
#1
Edyta C Pirog
CONTEXT: - Cervical adenocarcinomas span a diverse group of tumors with several distinct histologic tumor types, which include endocervical, endometrioid, intestinal, villoglandular, gastric, signet ring, serous, clear cell, and mesonephric. Diagnosis of cervical adenocarcinoma, especially early diagnosis, poses a significant challenge. OBJECTIVE: - To review the pathogenesis, diagnostic criteria, immunohistochemical markers, and differential diagnosis of various subtypes of human papillomavirus (HPV)-positive and HPV-negative cervical adenocarcinomas...
June 23, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28643718/a-rare-case-of-idiopathic-parafoveal-telangiectasia-associated-with-central-serous-chorioretinopathy
#2
Nicey Roy Thomas, Rupak Roy, Kumar Saurabh, Kalpita Das
No abstract text is available yet for this article.
June 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28643177/targeting-dna-repair-and-replication-stress-in-the-treatment-of-ovarian-cancer
#3
REVIEW
Junko Murai
Approximately half of high-grade serous epithelial ovarian cancers incur alterations in genes of homologous recombination (BRCA1, BRCA2, RAD51C, Fanconi anemia genes), and the rest incur alterations in other DNA repair pathways at high frequencies. Such cancer-specific gene alterations can confer selective sensitivity to DNA damaging agents such as cisplatin and carboplatin, topotecan, etoposide, doxorubicin, and gemcitabine. Originally presumed to inhibit DNA repair, PARP inhibitors that have recently been approved by the FDA for the treatment of advanced ovarian cancer also act as DNA damaging agents by inducing PARP-DNA complexes...
June 22, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28641578/methylome-analysis-of-extreme-chemoresponsive-patients-identifies-novel-markers-of-platinum-sensitivity-in-high-grade-serous-ovarian-cancer
#4
Tushar Tomar, Nicolette G Alkema, Leroy Schreuder, Gert Jan Meersma, Tim de Meyer, Wim van Criekinge, Harry G Klip, Heidi Fiegl, Els van Nieuwenhuysen, Ignace Vergote, Martin Widschwendter, Ed Schuuring, Ate G J van der Zee, Steven de Jong, G Bea A Wisman
BACKGROUND: Despite an early response to platinum-based chemotherapy in advanced stage high-grade serous ovarian cancer (HGSOC), the majority of patients will relapse with drug-resistant disease. Aberrant epigenetic alterations like DNA methylation are common in HGSOC. Differences in DNA methylation are associated with chemoresponse in these patients. The objective of this study was to identify and validate novel epigenetic markers of chemoresponse using genome-wide analysis of DNA methylation in extreme chemoresponsive HGSOC patients...
June 23, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28641043/radiogenomics-of-high-grade-serous-ovarian-cancer-multireader-multi-institutional-study-from-the-cancer-genome-atlas-ovarian-cancer-imaging-research-group
#5
Hebert Alberto Vargas, Erich P Huang, Yulia Lakhman, Joseph E Ippolito, Priya Bhosale, Vincent Mellnick, Atul B Shinagare, Maria Anello, Justin Kirby, Brenda Fevrier-Sullivan, John Freymann, C Carl Jaffe, Evis Sala
Purpose To evaluate interradiologist agreement on assessments of computed tomography (CT) imaging features of high-grade serous ovarian cancer (HGSOC), to assess their associations with time-to-disease progression (TTP) and HGSOC transcriptomic profiles (Classification of Ovarian Cancer [CLOVAR]), and to develop an imaging-based risk score system to predict TTP and CLOVAR profiles. Materials and Methods This study was a multireader, multi-institutional, institutional review board-approved, HIPAA-compliant retrospective analysis of 92 patients with HGSOC (median age, 61 years) with abdominopelvic CT before primary cytoreductive surgery available through the Cancer Imaging Archive...
June 22, 2017: Radiology
https://www.readbyqxmd.com/read/28640131/paragonimiasis-in-children-in-southwest-china-a-retrospective-case-reports-review-from-2005-to-2016
#6
Zongrong Gong, Ruixue Miao, Min Shu, Yu Zhu, Yang Wen, Qin Guo, Qiong Liao, Chaomin Wan
BACKGROUND: Paragonimiasis infection has no specific symptoms or typical radiologic findings, leading to the possibility of misdiagnosis. Thus, the objective of this study was to analyze clinical and radiological features, and treatment outcome of paragonimiasis in children in Southwest China to improve the awareness of this disease. METHODS: We retrospectively reviewed the records of children diagnosed with paragonimiasis in West China Second University Hospital between 2005 and 2016...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28637689/elevation-of-tp53-autoantibody-prior-to-ca125-in-preclinical-invasive-epithelial-ovarian-cancer
#7
Wei-Lei Yang, Aleksandra Gentry-Maharaj, Archana R Simmons, Andy Ryan, Evangelia O Fourkala, Zhen Lu, Keith A Baggerly, Yang Zhao, Karen Lu, David D L Bowtell, Ian Jacobs, Steven J Skates, Wei-Wu He, Usha Menon, Robert C Bast
Purpose: The TP53 tumor suppressor gene is mutated in >95% of high grade serous ovarian cancers. Detecting an autologous antibody response to TP53 might improve early detection. <p>Experimental design: An immunoassay was developed to measure TP53 autoantibody in sera from 378 cases of invasive epithelial ovarian cancer and in 944 age-matched healthy controls from the United States, Australia and the United Kingdom. Serial preclinical samples from cases and controls were also assayed from the UK Collaborative Trial of Ovarian Cancer Screening (UKCTOCS)...
June 21, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28635231/-comparison-of-paired-box-genes-8-and-2-expression-in-epithelium-tissues-and-the-related-tumors
#8
Y Song, X Huang, G H Shen, X Y Liu, X Zhang
Objective: To explore the expressional differences between paired box genes 2(Pax2) and 8 (Pax8) protein in different kinds of epitheliums and tumors, and to investigate the clinicopathologic significance. Methods: Expression levels of Pax2 and Pax8 protein were detected in 75 cases of different human epithelium tissues and 255 cases of different tumors on tissue microarray by immunohistochemistry. Results: Pax2 and Pax8 selectively expressed in different tissues. The positive rates of Pax8 protein expressed in the normal epithelium of the thyroid, urinary system and female reproductive system were 100% (2/2), 60...
June 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28634229/akt-activation-by-ca2-calmodulin-dependent-protein-kinase-kinase-2-camkk2-in-ovarian-cancer-cells
#9
Angela M Gocher, Gissou Azabdaftari, Lindsey M Euscher, Shuhang Dai, Loukia G Karacosta, Thomas F Franke, Arthur M Edelman
Hyperactivation of Akt is associated with oncogenic changes in the growth, survival and chemoresistance of cancer cells. The PI3K/Phosphoinositide-dependent kinase (PDK) 1 pathway represents the canonical mechanism for phosphorylation of Akt at its primary activation site, Thr308. We observed that Ca2+/calmodulin (CaM)-dependent protein kinase kinase 2 (beta) (CaMKK2) is highly expressed in high-grade serous ovarian cancer and investigated its role in Akt activation in ovarian cancer (OVCa) cell lines (OVCAR-3, SKOV-3, Caov-3)...
June 20, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28633941/pancreatic-cyst-fluid-vascular-endothelial-growth-factor-a-and-carcinoembryonic-antigen-a-highly-accurate-test-for-the-diagnosis-of-serous-cystic-neoplasm
#10
Rosalie A Carr, Michele T Yip-Schneider, Scott Dolejs, Bradley A Hancock, Huangbing Wu, Milan Radovich, C Max Schmidt
BACKGROUND: Accurate differentiation of pancreatic cystic lesions is important for pancreatic cancer early detection and prevention as well as avoidance of unnecessary surgical intervention. Serous cystic neoplasms (SCN) have no malignant potential, but may mimic premalignant mucinous cystic lesions: mucinous cystic neoplasm (MCN) and intraductal papillary mucinous neoplasm (IPMN). We recently identified vascular endothelial growth factor (VEGF)-A as a novel pancreatic fluid biomarker for SCN...
May 18, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28631718/-current-prerequisites-for-a-molecular-genetic-classification-of-endometrial-cancer
#11
S V Vtorushin, R D Malykh
The review analyzes current investigators' data on the introduction of an additional endometrial cancer classification based on the results of molecular and genetic studies. This necessity is dictated by clinical observations, according to which the genetic profile of the tumors may not correspond to their morphological structure, which considerably changes patient management tactics. The existing dualistic model of carcinogenesis makes it possible to identify and describe the characteristic molecular features of the tumors in terms of their histological structure...
2017: Arkhiv Patologii
https://www.readbyqxmd.com/read/28631711/-expansion-of-secretory-cells-in-the-fallopian-tubal-epithelium-in-the-early-stages-of-the-pathogenesis-of-ovarian-serous-carcinomas
#12
A V Asaturova, L S Ezhova, N M Faizullina, L V Adamyan, G N Khabas, M V Sannikova
AIM: to investigate the frequency of the types of fallopian tubal secretory cell expansion (SCE) in diseases of the reproductive organs and to determine the immunophenotype and biological role of the cells in the early stages of the pathogenesis of high-grade ovarian serous carcinomas (HGOSC). SUBJECTS AND METHODS: The investigation enrolled 287 patients with extraovarian diseases and ovarian serous tumors varying in grade, whose fallopian tubes were morphologically and immunohistochemically examined using p53, Ki-67, PAX2, Bcl-2, beta-catenin, and ALDH1 markers...
2017: Arkhiv Patologii
https://www.readbyqxmd.com/read/28631655/erratum-squash-cytodiagnosis-of-synchronous-papillary-serous-carcinoma-of-ovary-and-endometrium-with-demonstration-of-serous-tubal-intraepithelial-carcinoma-as-a-precursor-lesion
#13
(no author information available yet)
[This corrects the article DOI: 10.4103/0377-4929.200039].
April 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28630787/evaluation-of-aflibercept-treatment-responses-in-eyes-with-bevacizumab-ranibizumab-resistant-wet-age-related-macular-degeneration
#14
Tuncay Topal, Taner Kar, Yıldıray Yıldırım, Sercan Koray Sağdıç, Cihan Büyükavşar, Abdullah Kaya, Ali Ayata, Murat Sönmez, Melih Hamdi Ünal
OBJECTIVES: To evaluate anatomic and functional results after switching from intravitreal bevacizumab or ranibizumab treatment to aflibercept for wet (neovascular) age-related macular degeneration. MATERIALS AND METHODS: This retrospective study included 22 eyes of 22 patients resistant to treatment with at least 6 injections of bevacizumab or ranibizumab. The first three injections had been applied monthly, the others pro re nata (PRN). Outcome measures were follow-up period, injection number, best corrected visual acuity (BCVA), central retinal thickness (CRT) and pigment epithelial detachment (PED) height...
June 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28630229/observing-clonal-dynamics-across-spatiotemporal-axes-a-prelude-to-quantitative-fitness-models-for-cancer
#15
Andrew W McPherson, Fong Chun Chan, Sohrab P Shah
The ability to accurately model evolutionary dynamics in cancer would allow for prediction of progression and response to therapy. As a prelude to quantitative understanding of evolutionary dynamics, researchers must gather observations of in vivo tumor evolution. High-throughput genome sequencing now provides the means to profile the mutational content of evolving tumor clones from patient biopsies. Together with the development of models of tumor evolution, reconstructing evolutionary histories of individual tumors generates hypotheses about the dynamics of evolution that produced the observed clones...
June 19, 2017: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/28629911/combined-mass-spectrometry-imaging-and-top-down-microproteomics-reveals-evidence-of-a-hidden-proteome-in-ovarian-cancer
#16
Vivian Delcourt, Julien Franck, Eric Leblanc, Fabrice Narducci, Yves-Marie Robin, Jean-Pascal Gimeno, Jusal Quanico, Maxence Wisztorski, Firas Kobeissy, Jean-François Jacques, Xavier Roucou, Michel Salzet, Isabelle Fournier
BACKGROUND: Recently, it was demonstrated that proteins can be translated from alternative open reading frames (altORFs), increasing the size of the actual proteome. Top-down mass spectrometry-based proteomics allows the identification of intact proteins containing post-translational modifications (PTMs) as well as truncated forms translated from reference ORFs or altORFs. METHODS: Top-down tissue microproteomics was applied on benign, tumor and necrotic-fibrotic regions of serous ovarian cancer biopsies, identifying proteins exhibiting region-specific cellular localization and PTMs...
June 3, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28628712/hyperthermic-intraperitoneal-chemoperfusion-as-a-component-of-multimodality-therapy-for-ovarian-and-primary-peritoneal-cancer
#17
Deepa Magge, Lekshmi Ramalingam, Yongli Shuai, Robert P Edwards, James F Pingpank, Steven S Ahrendt, Matthew P Holtzman, Herbert J Zeh, David L Bartlett, Haroon A Choudry
BACKGROUND AND OBJECTIVES: The role of hyperthermic intraperitoneal chemoperfusion (HIPEC) in the multimodality treatment of ovarian peritoneal metastases (OPM) and primary peritoneal cancer (PPC) remains controversial. We hypothesized that cytoreductive surgery (CRS) and HIPEC would provide meaningful survival benefit without excessive morbidity. METHODS: We reviewed clinicopathologic and perioperative data following 96 CRS-HIPEC procedures for primary or recurrent OPM and PPC...
June 19, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28628421/high-grade-serous-ovarian-cancer-associations-between-brca-mutation-status-ct-imaging-phenotypes-and-clinical-outcomes
#18
Stephanie Nougaret, Yulia Lakhman, Mithat Gönen, Debra A Goldman, Maura Miccò, Melvin D'Anastasi, Sarah A Johnson, Krishna Juluru, Angela G Arnold, Ramon E Sosa, Robert A Soslow, Hebert Alberto Vargas, Hedvig Hricak, Noah D Kauff, Evis Sala
Purpose To investigate the associations between BRCA mutation status and computed tomography (CT) phenotypes of high-grade serous ovarian cancer (HGSOC) and to evaluate CT indicators of cytoreductive outcome and survival in patients with BRCA-mutant HGSOC and those with BRCA wild-type HGSOC. Materials and Methods This HIPAA-compliant, institutional review board-approved retrospective study included 108 patients (33 with BRCA mutant and 75 with BRCA wild-type HGSOC) who underwent CT before primary debulking...
June 16, 2017: Radiology
https://www.readbyqxmd.com/read/28626824/atypical-chronic-central-serous-chorioretinopathy-with-cystoid-macular-edema-therapeutic-response-to-medical-and-laser-therapy
#19
Jiun L Do, Lisa C Olmos de Koo, Hossein Ameri
PURPOSE: To describe an atypical case of chronic central serous chorioretinopathy (CSCR). METHODS: A 58-year-old man with longstanding, bilateral visual impairment was self-referred for a second opinion. RESULTS: Findings by direct ophthalmoscopy, optical coherence tomography, fluorescein angiography, and fundus autofluorescence (FAF) were suggestive of atypical, chronic CSCR. Treatment with oral anti-mineralocorticoids resulted in moderate improvement, and photodynamic therapy (PDT) had minimal effect...
June 2017: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/28626419/shallow-anterior-chamber-in-a-severe-case-of-unilateral-acute-central-serous-retinal-detachment
#20
Ahmet Colakoglu, Banu Cosar
BACKGROUND: Atypical serous chorioretinopathy can present with symptoms similar to those of other pachychoroid diseases; however, a proper differential diagnosis will prevent unnecessary intensive treatments. To this end, we report on the shallowness of anterior chamber and transitory anterior vitreous cells in a patient with atypical severe serous retinal detachment. CASE PRESENTATION: A 42-year-old woman presented with unilateral visual loss accompanied by mild, vague eye pain for 4 days...
May 2017: Case Reports in Ophthalmology
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