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https://www.readbyqxmd.com/read/29770477/braf-v-600e-mutations-and-immunohistochemical-expression-of-ve1-protein-in-low-grade-serous-neoplasms-of-the-ovary
#1
Gulisa Turashvili, Rachel N Grisham, Sarah Chiang, Deborah F Delair, Kay J Park, Robert A Soslow, Rajmohan Murali
AIMS: The most common BRAF mutation in ovarian low-grade serous neoplasms (LGSNs) involves substitution of valine by glutamic acid at position 600 (V600E). Small studies have demonstrated high specificity of immunohistochemistry with mutation-specific monoclonal antibody VE1. We sought to investigate expression of VE1 protein in LGSNs and its correlation with BRAF mutation-associated histological features and BRAF mutation status. METHODS AND RESULTS: We reviewed pathology reports and available slides from ovarian serous borderline tumours (SBTs) and low-grade serous carcinomas (LGSCs) diagnosed between 2000-2012...
May 16, 2018: Histopathology
https://www.readbyqxmd.com/read/29716620/postprandial-increase-in-serum-ca125-as-a-surrogate-biomarker-for-early-diagnosis-of-ovarian-cancer
#2
Zhuowei Gu, Yifeng He, Yue Zhang, Mo Chen, Keqi Song, Yuting Huang, Qing Li, Wen Di
BACKGROUND: CA125 is a prevalently used serum biomarker for detecting ovarian cancer over the last three decades. However, it has a significant deficiency in screening for early-stage cancer. With the purpose of exploring an effective approach to improve its performance in early diagnosis, we investigated the postprandial fluctuation pattern of cancer-derived CA125 and the underlying mechanism. METHODS: In two medical centers, 551 patients sonographically diagnosed with ovarian (adnexal) cysts (< 5 cm in diameter) were enrolled and divided into five disease groups (pelvic inflammatory cysts, retention cysts, endometrioma, benign/borderline cystadenoma and malignant cysts)...
May 1, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29709594/reliability-of-iota-score-and-adnex-model-in-the-screening-of-ovarian-malignancy-in-postmenopausal-women
#3
Erdogan Nohuz
BACKGROUND: The IOTA (International Ovarian Tumour Analysis) group has developed the ADNEX (Assessment of Different NEoplasias in the adneXa) model to predict the risk that an ovarian mass is benign, borderline or malignant. This study aimed to test reliability of these risks prediction models to improve the performance of pelvic ultrasound and discriminate between benign and malignant cysts. MATERIAL AND METHODS: Postmenopausal women with an adnexal mass (including ovarian, para-ovarian and tubal) and who underwent a standardized ultrasound examination before surgery were included...
April 27, 2018: Journal of Gynecology Obstetrics and Human Reproduction
https://www.readbyqxmd.com/read/29709486/preservation-of-fertility-in-surgery-of-benign-and-borderline-malignant-ovarian-tumors
#4
A Guillaume, O Pirrello
Benign ovarian tumors occur in 7% of women during their procreative years and involve both organic and functional tumors. The average age of onset for borderline ovarian tumors is ten years younger than that for ovarian cancers. Women with benign and borderline malignant ovarian tumors are therefore more likely to be affected by fertility issues. The causal link between infertility and benign ovarian tumor stems more from the therapeutic strategies adopted than from the histological nature of the benign ovarian tumor...
April 27, 2018: Journal of Visceral Surgery
https://www.readbyqxmd.com/read/29707144/clinical-importance-of-the-emsy-gene-expression-and-polymorphisms-in-ovarian-cancer
#5
Agnieszka Dansonka-Mieszkowska, Lukasz M Szafron, Joanna Moes-Sosnowska, Mariusz Kulinczak, Anna Balcerak, Bozena Konopka, Magdalena Kulesza, Agnieszka Budzilowska, Martyna Lukasik, Urszula Piekarska, Iwona K Rzepecka, Joanna Parada, Renata Zub, Barbara Pienkowska-Grela, Radoslaw Madry, Jan K Siwicki, Jolanta Kupryjanczyk
EMSY, a BRCA2-associated protein, is amplified and overexpressed in various sporadic cancers. This is the first study assessing the clinical impact of its expression and polymorphisms on ovarian cancer (OvCa) outcome in the context of the chemotherapy regimen used. In 134 frozen OvCa samples, we assessed EMSY mRNA expression with Reverse Transcription-quantitative PCR, and also investigated the EMSY gene sequence using SSCP and/or PCR-sequencing. Clinical relevance of changes in EMSY mRNA expression and DNA sequence was evaluated in two subgroups treated with either taxane/platinum (TP, n=102) or platinum/cyclophosphamide (PC, n=32)...
April 3, 2018: Oncotarget
https://www.readbyqxmd.com/read/29702449/the-limited-oncogenic-potential-of-unilocular-adnexal-cysts-a-systematic-review-and-meta-analysis
#6
REVIEW
Fabio Parazzini, Maria Pina Frattaruolo, Francesca Chiaffarino, Dhouha Dridi, Elena Roncella, Paolo Vercellini
The reported frequency of malignant diseases in unilocular cysts varies in different studies, giving conflicting results. To quantify the risk of malignancies among echoic and anechoic unilocular adnexal cysts, in premenopausal and postmenopausal women, we performed a PubMed/MEDLINE search of papers published in English evaluating the histopathological diagnoses of removed ovarian cysts diagnosed as simple unilocular cysts at pre-operative ultrasound examination. From 34 selected publications, we extracted data on ovarian malignancy in the total series, and separately for premenopausal and postmenopausal women, and women with cysts < 5 cm and  ≥5 cm in diameter...
April 18, 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29682098/testing-for-nras-mutations-in-serous-borderline-ovarian-tumors-and-low-grade-serous-ovarian-carcinomas
#7
Pawel Sadlecki, Dariusz Grzanka, Marek Grabiec
The Idylla NRAS Mutation Test , performed on the Biocartis Idylla system, is an in vitro diagnostic tool for the qualitative assessment of 18 NRAS mutations in codons 12, 13, 59, 61, 117, and 146. Low-grade serous ovarian cancer (LGSC) represents less than 10% of all serous ovarian carcinomas. LGSCs are believed to arise from preexisting cystadenomas or serous borderline tumors (SBOTs) that eventually progress to an invasive carcinoma. The molecular analysis of cancer-causing mutations and the development of targeted biological therapies constitute a milestone in the diagnosis and therapy of ovarian malignancies...
2018: Disease Markers
https://www.readbyqxmd.com/read/29680231/accuracy-of-intraoperative-frozen-section-diagnosis-of-borderline-ovarian-tumors-by-hospital-type
#8
Jaimin Shah, Michael Mackelvie, David M Gershenson, Preetha Ramalingam, Marylee M Kott, Jubilee Brown, Polly Gauthier, Elizabeth Nugent, Lois M Ramondetta, M Frumovitz
STUDY OBJECTIVE: To compare the accuracy of frozen section diagnosis of borderline ovarian tumors among three distinct types of hospital-academic hospital with gynecologic pathologists, academic hospital with non-gynecologic pathologists, and community hospital with non-gynecologic pathologists-and to determine if surgical staging alters patient care or outcomes for women with a frozen section diagnosis of borderline ovarian tumor. DESIGN: Retrospective study DESIGN CLASSIFICATION: Level II1 SETTING: Tertiary care, academic, and community hospitals PATIENTS: Women with an intraoperative frozen section diagnosis of borderline ovarian tumor at one of the aforementioned three types of hospital from April 1998 through June 2016...
April 19, 2018: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29676373/ovarian-borderline-mucinous-tumor-with-squamous-overgrowth-an-unusual-finding-with-review-of-literature
#9
Geetha Vasudevan, Padmapriya Jaiprakash, Shyamala Guruvare, Nivedita Samanta
Borderline mucinous tumor (BMT) is often associated with other entities such as dermoid cyst, Brenner tumor, and endometriosis. Squamous areas are often associated which may be a part of BMT or its associated conditions. Here, we describe squamous overgrowth in a case of intestinal type of mucinous borderline tumor in a 29-year-old uniparous female and discuss the diagnostic difficulties.
April 2018: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/29673382/risk-of-synchronous-endometrial-disorders-in-women-with-endometrioid-borderline-tumors-of-the-ovary
#10
Shuang-Zheng Jia, Jun-Ji Zhang, Jun-Jun Yang, Yang Xiang, Zhiyong Liang, Jin-Hua Leng
BACKGROUND: Synchronous endometrial disorders have been poorly studied in women with endometrioid borderline ovarian tumors (EBOT). The aims of this study were to investigate the risk of endometrial disorders among women with EBOT and associated factors, as well as their oncological and fertility outcomes. RESULTS: This retrospective study included 33 women with EBOT. Their mean age was 41.9 years, and endometria were evaluated in 25 of these patients. The prevalence of synchronous endometrial disorders was 52...
April 19, 2018: Journal of Ovarian Research
https://www.readbyqxmd.com/read/29670294/the-surgical-intelligent-knife-distinguishes-normal-borderline-and-malignant-gynaecological-tissues-using-rapid-evaporative-ionisation-mass-spectrometry-reims
#11
David L Phelps, Júlia Balog, Louise F Gildea, Zsolt Bodai, Adele Savage, Mona A El-Bahrawy, Abigail Vm Speller, Francesca Rosini, Hiromi Kudo, James S McKenzie, Robert Brown, Zoltán Takáts, Sadaf Ghaem-Maghami
BACKGROUND: Survival from ovarian cancer (OC) is improved with surgery, but surgery can be complex and tumour identification, especially for borderline ovarian tumours (BOT), is challenging. The Rapid Evaporative Ionisation Mass Spectrometric (REIMS) technique reports tissue histology in real-time by analysing aerosolised tissue during electrosurgical dissection. METHODS: Aerosol produced during diathermy of tissues was sampled with the REIMS interface. Histological diagnosis and mass spectra featuring complex lipid species populated a reference database on which principal component, linear discriminant and leave-one-patient-out cross-validation analyses were performed...
April 19, 2018: British Journal of Cancer
https://www.readbyqxmd.com/read/29593930/mucinous-carcinomatosis-a-rare-association-between-an-ovarian-tumor-and-an-e-gist
#12
Hugo Palma Rios, André Goulart, Pedro Leão
Pseudomyxoma peritonei (PMP) and extragastrointestinal stromal tumors (E-GISTs) are both rare entities. Most of the time, PMP is associated with an appendiceal tumor. An ovarian mucinous tumor can mimic appendiceal metastases. E-GIST is a mesenchymal tumor that can arise from the omentum, retroperitoneum, mesentery, or pleura. We present a case of an 87-year-old woman with mucinous carcinomatosis and acute intestinal occlusion submitted to an emergency laparotomy. She has found to have a borderline mucinous tumor of the ovary from the intestinal type with several lesions of pseudomyxoma peritonei and an E-GIST from the epiploons retrocavity (intermediated risk)...
2018: Case Reports in Surgery
https://www.readbyqxmd.com/read/29581788/increased-he4-mrna-expression-correlates-with-high-level-of-eif3a-mrna-and-better-survival-in-women-with-epithelial-ovarian-cancer
#13
Chen-Hui Luo, Min Zhao, Yu-Xi Tang, Shohreh Shahabi, Kai-Ning Fang, Yan Chen, Yan Tang, Xiao-Yan Chen, Jing Wang, Hong-Hao Zhou
Human epididymis protein 4 (HE4) is one of the most promising biomarkers for epithelial ovarian cancer (EOC). The majority of previous studies utilized the serum level or tissue protein expression of HE4 based upon immunohistochemistry (IHC) to evaluate the role of HE4 in the diagnosis, prognosis, and surveillance of EOC, but very little is known about HE4 mRNA expression. Eukaryotic translation initiation factor 3a (eIF3a) is implicated in oncogenesis and has been investigated extensively as a potential biomarker for malignancy...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29571946/nilotinib-in-locally-advanced-pigmented-villonodular-synovitis-a-multicentre-open-label-single-arm-phase-2-trial
#14
Hans Gelderblom, Claire Cropet, Christine Chevreau, Richard Boyle, Martin Tattersall, Silvia Stacchiotti, Antoine Italiano, Sophie Piperno-Neumann, Axel Le Cesne, Virginia Ferraresi, Nicolas Penel, Florence Duffaud, Philippe Cassier, Maud Toulmonde, Paolo Casali, Sophie Taieb, Séverine Guillemaut, Séverine Metzger, David Pérol, Jean-Yves Blay
BACKGROUND: Pigmented villonodular synovitis (alternatively known as diffuse-type giant cell tumour) is a rare, locally aggressive tumour driven by a specific translocation resulting in the overexpression of colony-stimulating factor 1 (CSF1). CSF1 receptor (CSF1R) inhibitors (ie, tyrosine kinase inhibitors and antibodies) induce a response in patients with pigmented villonodular synovitis. We investigated the safety and efficacy of a CSF1R tyrosine kinase inhibitor, nilotinib, in patients with locally advanced non-resectable pigmented villonodular synovitis...
March 20, 2018: Lancet Oncology
https://www.readbyqxmd.com/read/29556691/quantitative-dynamic-contrast-enhanced-mr-imaging-for-differentiating-benign-borderline-and-malignant-ovarian-tumors
#15
Hai-Ming Li, Feng Feng, Jin-Wei Qiang, Guo-Fu Zhang, Shu-Hui Zhao, Feng-Hua Ma, Yong-Ai Li, Wei-Yong Gu
PURPOSE: This study aimed to investigate the diagnostic performance of quantitative DCE-MRI for characterizing ovarian tumors. METHODS: We prospectively assessed the differences of quantitative DCE-MRI parameters (Ktrans , kep , and ve ) among 15 benign, 28 borderline, and 66 malignant ovarian tumors; and between type I (n = 28) and type II (n = 29) of epithelial ovarian carcinomas (EOCs). DCE-MRI data were analyzed using whole solid tumor volume region of interest (ROI) method, and quantitative parameters were calculated based on a modified Tofts model...
March 20, 2018: Abdominal Radiology
https://www.readbyqxmd.com/read/29555990/adult-height-is-associated-with-increased-risk-of-ovarian-cancer-a-mendelian-randomisation-study
#16
Suzanne C Dixon-Suen, Christina M Nagle, Aaron P Thrift, Paul D P Pharoah, Ailith Ewing, Celeste Leigh Pearce, Wei Zheng, Georgia Chenevix-Trench, Peter A Fasching, Matthias W Beckmann, Diether Lambrechts, Ignace Vergote, Sandrina Lambrechts, Els Van Nieuwenhuysen, Mary Anne Rossing, Jennifer A Doherty, Kristine G Wicklund, Jenny Chang-Claude, Audrey Y Jung, Kirsten B Moysich, Kunle Odunsi, Marc T Goodman, Lynne R Wilkens, Pamela J Thompson, Yurii B Shvetsov, Thilo Dörk, Tjoung-Won Park-Simon, Peter Hillemanns, Natalia Bogdanova, Ralf Butzow, Heli Nevanlinna, Liisa M Pelttari, Arto Leminen, Francesmary Modugno, Roberta B Ness, Robert P Edwards, Joseph L Kelley, Florian Heitz, Andreas du Bois, Philipp Harter, Ira Schwaab, Beth Y Karlan, Jenny Lester, Sandra Orsulic, Bobbie J Rimel, Susanne K Kjær, Estrid Høgdall, Allan Jensen, Ellen L Goode, Brooke L Fridley, Julie M Cunningham, Stacey J Winham, Graham G Giles, Fiona Bruinsma, Roger L Milne, Melissa C Southey, Michelle A T Hildebrandt, Xifeng Wu, Karen H Lu, Dong Liang, Douglas A Levine, Maria Bisogna, Joellen M Schildkraut, Andrew Berchuck, Daniel W Cramer, Kathryn L Terry, Elisa V Bandera, Sara H Olson, Helga B Salvesen, Liv Cecilie Vestrheim Thomsen, Reidun K Kopperud, Line Bjorge, Lambertus A Kiemeney, Leon F A G Massuger, Tanja Pejovic, Amanda Bruegl, Linda S Cook, Nhu D Le, Kenneth D Swenerton, Angela Brooks-Wilson, Linda E Kelemen, Jan Lubiński, Tomasz Huzarski, Jacek Gronwald, Janusz Menkiszak, Nicolas Wentzensen, Louise Brinton, Hannah Yang, Jolanta Lissowska, Claus K Høgdall, Lene Lundvall, Honglin Song, Jonathan P Tyrer, Ian Campbell, Diana Eccles, James Paul, Rosalind Glasspool, Nadeem Siddiqui, Alice S Whittemore, Weiva Sieh, Valerie McGuire, Joseph H Rothstein, Steven A Narod, Catherine Phelan, Harvey A Risch, John R McLaughlin, Hoda Anton-Culver, Argyrios Ziogas, Usha Menon, Simon A Gayther, Susan J Ramus, Aleksandra Gentry-Maharaj, Anna H Wu, Malcolm C Pike, Chiu-Chen Tseng, Jolanta Kupryjanczyk, Agnieszka Dansonka-Mieszkowska, Agnieszka Budzilowska, Iwona K Rzepecka, Penelope M Webb
BACKGROUND: Observational studies suggest greater height is associated with increased ovarian cancer risk, but cannot exclude bias and/or confounding as explanations for this. Mendelian randomisation (MR) can provide evidence which may be less prone to bias. METHODS: We pooled data from 39 Ovarian Cancer Association Consortium studies (16,395 cases; 23,003 controls). We applied two-stage predictor-substitution MR, using a weighted genetic risk score combining 609 single-nucleotide polymorphisms...
March 20, 2018: British Journal of Cancer
https://www.readbyqxmd.com/read/29552194/activation-of-hedgehog-signaling-and-its-association-with-cisplatin-resistance-in-ovarian-epithelial-tumors
#17
Xueling Song, Liying Yan, Cuiling Lu, Chunyu Zhang, Fuli Zhu, Jingjing Yang, Hongyan Jing, Yang Zhang, Jie Qiao, Hongyan Guo
Few studies have evaluated Hedgehog (Hh) signaling pathway activation in different types of ovarian tumors including benign, borderline and malignant ovarian tumors. The present study investigated the expression of Hh signaling pathway components (SHH, SMO, PTCH, and GLI1) in 193 ovarian epithelial tumor specimens (including 147 malignant epithelial ovarian cancers, 30 borderline ovarian tumors, 16 benign ovarian epithelial tumors) and 11 normal ovarian epithelial tissues by immunohistochemistry. The results demonstrated widespread expression of Hh pathway molecules in ovarian tumors...
April 2018: Oncology Letters
https://www.readbyqxmd.com/read/29551085/ovarian-clear-cell-adenofibroma-of-low-malignant-potential-developing-into-clear-cell-adenocarcinoma
#18
Zhiwei Yin, Stephen Peters, Ravi Chokshi, Debra Heller
Ovarian clear cell adenofibroma is uncommon, and borderline clear cell adenofibroma (low malignant potential) is extremely rare. Borderline clear cell adenofibromas may represent the precursor lesion of clear cell adenocarcinoma of the ovary, but this has not been established. We present a case of a woman in her mid-50s with a clear cell adenofibroma ranging from benign to borderline to frankly invasive. While some clear cell adenocarcinomas are thought to arise from endometriosis, this range of findings supports the theory that some ovarian clear cell adenocarcinomas originate from borderline tumors...
March 1, 2018: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29545041/testis-tumor-of-ovarian-epithelial-type-a-rare-case
#19
Kamleshsingh Shadhu, Dadhija Ramlagun, Kai Zhu, Yao Zhang, Chen Chen, Di Xi, Jundong Zhu, Chenkui Miao, Yichun Wang, Chao Qin
Ovarian epithelial type tumors of the testis have been a rare entity in clinic. Its' awareness and management remain a clinical challenge. We described a case of an 18-year-old, obese, boy who presented with scrotal enlargement. He underwent eversion of tunica vaginalis and resection of epidydimal mass. The histology of the resected sample showed ovarian epithelial type borderline tumor. We believe this case helps to strengthen awareness and management of this rare disease.
March 12, 2018: Urology
https://www.readbyqxmd.com/read/29520665/report-of-the-survey-on-current-opinions-and-practice-of-german-society-for-gynecologic-endoscopy-age-members-regarding-the-laparoscopic-treatment-of-ovarian-malignancies
#20
Julia Caroline Radosa, Marc Philipp Radosa, Pascal Albert Schweitzer, Ingolf Juhasz-Boess, Stefan Rimbach, Erich-Franz Solomayer
PURPOSE: The purpose of this survey was to assess the opinions of members of the German Society of Gynecologic Endoscopy (AGE) regarding the laparoscopic treatment of ovarian malignancies and current practice at their institutions. METHODS: Between February and October 2015, the AGE sent an anonymous online survey via mail to its members. The questionnaire solicited participants' opinions about the laparoscopic treatment of ovarian cancers according to T stage and borderline tumors, and information about current practice at their institutions...
May 2018: Archives of Gynecology and Obstetrics
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