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International ovarian tumor analysis

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https://www.readbyqxmd.com/read/28217670/a-novel-clinicopathological-analysis-of-early-stage-ovarian-sertoli-leydig-cell-tumors-at-a-single-institution
#1
Seon Mi Nam, Jee Whan Kim, Kyung Jin Eoh, Hye Min Kim, Jung Yun Lee, Eun Ji Nam, Sunghoon Kim, Sang Wun Kim, Young Tae Kim
OBJECTIVE: To evaluate the clinical and pathologic characteristics of patients who were diagnosed with ovarian Sertoli-Leydig cell tumors (SLCTs) in a single institution. METHODS: The medical records of 11 patients who were pathologically diagnosed with SLCTs beginning in 1995 in a single institute was reviewed. RESULTS: The median patient age was 31 years (range, 16 to 70 years). Patient International Federation of Gynecology and Obstetrics stages were IA, IC, and IIB in 3 (27...
January 2017: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/28216373/tweak-stimulated-macrophages-inhibit-metastasis-of-epithelial-ovarian-cancer-via-exosomal-shuttling-of-microrna
#2
Yuan Hu, Dong Li, Anyue Wu, Xingdi Qiu, Wen Di, Lei Huang, Lihua Qiu
Exosomal-miRNAs are emerging as mediators of crosstalk between tumor cells and macrophages. In this study, we observed that exosomes derived from TWEAK-stimulated macrophages (TMs) could be internalized by epithelial ovarian cancer (EOC) cells and inhibit cell metastasis. Through a miRNA microarray analysis, we identified 19 miRNAs that are differentially expressed in exosomes derived from macrophages treated with or without TWEAK. The study validated that TWEAK not only increased the levels of microRNA-7 (miR-7) in macrophages and its secreted exosomes but also resulted in an elevated level of miR-7 in recipient EOC cells, which eventually reduced the activity of the EGFR/AKT/ERK1/2 pathway...
February 16, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28202851/expression-of-inorganic-pyrophosphatase-ppa1-correlates-with-poor-prognosis-of-epithelial-ovarian-cancer
#3
Hui Li, Ning Xiao, Zongpeng Li, Qin Wang
Ovarian serous carcinoma (OSC) is the most common epithelial ovarian cancer. Inorganic pyrophosphatase (PPA1) catalyzes the hydrolysis of pyrophosphate to inorganic phosphate, thereby providing extra energy for metabolism. The significance of PPA1 in the prognosis of OSC has not been investigated. Our study aimed to explore the expression and predictive role of PPA1 in OSC progression. We screened the expression of PPA1 protein in OSC tissues from 139 patients by immunohistochemistry, and evaluated its correlation with clinicopathological characteristics...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28202518/prolactin-receptor-mediated-internalization-of-imaging-agents-detects-epithelial-ovarian-cancer-with-enhanced-sensitivity-and-specificity
#4
Karthik M Sundaram, Yilin Zhang, Anirban K Mitra, Jean-Louis K Kouadio, Katja Gwin, Brian R Roman, Anthony A Kossiakoff, Ernst Lengyel, Joseph Piccirilli
Poor prognosis of ovarian cancer (OvCa), the deadliest of the gynecologic malignancies, reflects major limitations associated with detection and diagnosis. Current methods lack high sensitivity to detect small tumors and high specificity to distinguish malignant from benign tissue, both impeding diagnosis of early and metastatic cancer stages and leading to costly and invasive surgeries. Tissue microarray analysis revealed that >98% of OvCa express the prolactin receptor (PRLR), forming the basis of a new molecular imaging strategy...
February 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28118296/malignancy-risk-of-sonographically-benign-appearing-purely-solid-adnexal-masses-in-asymptomatic-postmenopausal-women
#5
Juan Luis Alcazar, Maria Angela Pascual, Reyes Marquez, Silvia Ajossa, Leire Juez, Betlem Graupera, Alba Piras, Lourdes Hereter, Stefano Guerriero
OBJECTIVE: To assess the natural history of benign appearing purely solid ovarian lesions in asymptomatic postmenopausal women. METHODS: Retrospective observational cohort study comprising 99 women (mean age, 58.2 years, ranging from 50 to 77 years) diagnosed as having a purely solid ovarian lesion at transvaginal ultrasound between April 2001 and October 2015. Inclusion criteria were as follows: asymptomatic postmenopausal women with a well-defined purely solid ovarian lesion with International Ovarian Tumor Analysis color score 1 or 2, without ascites and/or signs of carcinomatosis...
January 23, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28101917/imaging-in-gynecological-disease-clinical-and-ultrasound-features-of-invasive-and-non-invasive-malignant-serous-ovarian-tumors
#6
F Moro, C Baima Poma, G F Zannoni, A Vidal Urbinati, T Pasciuto, M Ludovisi, M C Moruzzi, S Carinelli, D Franchi, G Scambia, A C Testa
OBJECTIVES: To describe clinical and ultrasound features of different subclasses of malignant serous ovarian tumors according to the WHO 2014 classification. METHODS: Patients with a histological diagnosis of borderline (BOT), non-invasive and invasive low grade serous carcinomas (LGSC) and high grade serous carcinoma (HGSC), who had undergone preoperative ultrasound examination, were retrospectively identified from two ultrasound centers. The masses were described using the terms of the International Ovarian Tumor Analysis group...
January 19, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28052682/prognostic-significance-of-mapk-topo-ii%C3%AE-and-e-cadherin-immunoexpression-in-ovarian-serous-carcinomas
#7
D Sundov, B Petric Mise, I Mrklic, B Bacic, E Vrdoljak, S Tomis
Ovarian cancer accounts for only 3% of all cancers in women but is the most lethal gynaecologic malignancy. Low-grade and high-grade ovarian serous carcinomas (OSCs) represent two different diseases with different prognosis, approaches to detection and treatment. We assessed correlation between, MAPK, topoIIα, E-cadherin immunoexpression and clinicopathological features with overall survival (OS) in OSCs. The study included 81 patients undergoing surgery between January 1995 and December 2005.Formalin fixed paraffin embedded tumour sections were reviewed and examined immunohistochemically using antibodies against MAPK, topoIIα and E-cadherin...
January 5, 2017: Neoplasma
https://www.readbyqxmd.com/read/28004457/clinical-and-ultrasound-characteristics-of-surgically-removed-adnexal-lesions-with-a-largest-diameter-%C3%A2-2-5-cm-a-pictorial-essay
#8
A Di Legge, P Pollastri, R Mancari, M Ludovisi, F Mascilini, D Franchi, D Jurkovic, M E Coccia, D Timmerman, G Scambia, A Testa, L Valentin
OBJECTIVES: The aim was to describe the ultrasound characteristics, the indications for surgery and the histological diagnoses of surgically removed adnexal masses with largest diameter <2.5 cm ("very small tumors"), to estimate sensitivity and specificity with regard to malignancy of subjective assessment of ultrasound images of very small tumors, and to present a gallery of ultrasound images of surgically removed very small tumors especially those causing diagnostic difficulties...
December 22, 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27888711/preoperative-monocyte-to-lymphocyte-ratio-in-peripheral-blood-predicts-stages-metastasis-and-histological-grades-in-patients-with-ovarian-cancer
#9
Jiangdong Xiang, Lina Zhou, Xing Li, Wei Bao, Taizhong Chen, Xiaowei Xi, Yinyan He, Xiaoping Wan
PURPOSE: The monocyte-to-lymphocyte ratio (MLR) has been shown to be associated with the prognosis of various solid tumors. This study sought to evaluate the important value of the MLR in ovarian cancer patients. METHODS: A total of 133 ovarian cancer patients and 43 normal controls were retrospectively reviewed. The patients' demographics were analyzed along with clinical and pathologic data. The counts of peripheral neutrophils, lymphocytes, monocytes, and platelets were collected and used to calculate the MLR, neutrophil-to-lymphocyte ratio (NLR)...
November 23, 2016: Translational Oncology
https://www.readbyqxmd.com/read/27871313/conservation-of-immune-gene-signatures-in-solid-tumors-and-prognostic-implications
#10
Julia Chifman, Ashok Pullikuth, Jeff W Chou, Davide Bedognetti, Lance D Miller
BACKGROUND: Tumor-infiltrating leukocytes can either limit cancer growth or facilitate its spread. Diagnostic strategies that comprehensively assess the functional complexity of tumor immune infiltrates could have wide-reaching clinical value. In previous work we identified distinct immune gene signatures in breast tumors that reflect the relative abundance of infiltrating immune cells and exhibited significant associations with patient outcomes. Here we hypothesized that immune gene signatures agnostic to tumor type can be identified by de novo discovery of gene clusters enriched for immunological functions and possessing internal correlation structure conserved across solid tumors from different anatomic sites...
November 22, 2016: BMC Cancer
https://www.readbyqxmd.com/read/27797247/comparison-of-effectiveness-in-differentiating-benign-from-malignant-ovarian-masses-between-iota-simple-rules-and-subjective-sonographic-assessment
#11
Theera Tongsong, Dangcheewan Tinnangwattana, Linlada Vichak-Ururote, Paponrad Tontivuthikul, Cholaros Charoenratana, Thitikarn Lerthiranwong
BACKGROUND: To compare diagnostic performance in differentiating benign from malignant ovarian masses between IOTA (the International Ovarian Tumor Analysis) simple rules and subjective sonographic assessment. MATERIALS AND METHODS: Women scheduled for elective surgery because of ovarian masses were recruited into the study and underwent ultrasound examination within 24 hours of surgery to apply the IOTA simple rules by general gynecologists and to record video clips for subjective assessment by an experienced sonographer...
2016: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/27760836/preclinical-efficacy-of-an-antibody-drug-conjugate-targeting-mesothelin-correlates-with-quantitative-89zr-immunopet
#12
Anton G T Terwisscha van Scheltinga, Annie Ogasawara, Glenn Pacheco, Alexander N Vanderbilt, Jeff N Tinianow, Nidhi Gupta, Dongwei Li, Ron Firestein, Jan Marik, Suzie J Scales, Simon-Peter Williams
Antibody-drug conjugates (ADC) use monoclonal antibodies (mAb) as vehicles to deliver potent cytotoxic drugs selectively to tumor cells expressing the target. Molecular imaging with zirconium-89 ((89)Zr)-labeled mAbs recapitulates similar targeting biology and might help predict the efficacy of these ADCs. An anti-mesothelin antibody (AMA, MMOT0530A) was used to make comparisons between its efficacy as an ADC and its tumor uptake as measured by (89)Zr immunoPET imaging. Mesothelin-targeted tumor growth inhibition by monomethyl auristatin E (MMAE), ADC AMA-MMAE (DMOT4039A), was measured in mice bearing xenografts of ovarian cancer OVCAR-3×2...
January 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/27759179/imaging-in-gynecological-disease-clinical-and-ultrasound-features-of-mucinous-ovarian-tumors
#13
F Moro, G F Zannoni, D Arciuolo, T Pasciuto, S Amoroso, F Mascilini, S Mainenti, G Scambia, A C Testa
OBJECTIVES: To describe clinical and ultrasound findings of mucinous ovarian tumors. METHODS: Patients with a histological diagnosis of mucinous ovarian tumor who had undergone preoperative ultrasound examination were retrospectively identified from a single ultrasound center. The histological examination was performed by the same pathologist in all cases. The masses were described using the terms and definitions of the International Ovarian Tumor Analysis group...
August 12, 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27706929/diagnostic-accuracy-and-cost-effectiveness-of-different-strategies-to-triage-adnexal-masses-a-prospective-study
#14
Elisa Piovano, Camilla Cavallero, Luca Fuso, Elsa Viora, Annamaria Ferrero, Gianluca Gregori, Caterina Grillo, Chiara Macchi, Giulio Mengozzi, Marco Mitidieri, Eva Pagano, Paolo Zola
BACKGROUND: Transvaginal ultrasonography (TVS) and serum biomarkers are widely used in clinical practice to triage adnexal masses, but the effectiveness of current biomarkers is quite weak. OBJECTIVES: To determine the best way to diagnose the patients with adnexal masses, in terms of diagnostic accuracy and economic costs, among four triage strategies: International Ovarian Tumor Analysis group's simple rules (SR) for the interpretation of TVS with the addition of subjective assessment (SA) by an experienced ultrasound operator only when TVS results are inconclusive (hereafter defined as SR±SA), SR±SA+CA125, SR±SA+HE4, and SR±SA+ROMA...
October 5, 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27516376/imaging-in-gynecological-disease-clinical-and-ultrasound-features-of-mucinous-ovarian-tumors
#15
F Moro, G F Zannoni, D Arciuolo, T Pasciuto, S Amoroso, F Mascilini, S Mainenti, G Scambia, A C Testa
OBJECTIVES: To describe clinical and ultrasound findings of mucinous ovarian tumors. METHODS: Patients with a histological diagnosis of mucinous ovarian tumor who had undergone preoperative ultrasound examination were retrospectively identified from a single ultrasound center. The histological examination was performed by the same pathologist in all cases. The masses were described using the terms and definitions of the International Ovarian Tumor Analysis group...
August 12, 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27490763/cd44-immunoexpression-is-unfavorable-predictor-in-ovarian-serous-cancer
#16
Dragana Karan Križanac, Antonela Krasić Arapović, Siniša Skočibušić, Irena Pintarić, Gorana Trgo, Snježana Tomić
The aim of this study was to clarify the clinical role of CD44 expression in ovarian serous cancer, and its relation to clinicopathologic prognostic factors, disease free survival and overall survival (OS). Immunohistochemical staining for CD44 was performed on 81 formalin-fixed, paraffin-embedded tumor sections. CD44 expression was found in 43% of ovarian carcinoma samples. Correlations between categorical variables were studied using the χ and the Mann-Whitney U test. For survival analysis, the Kaplan-Meier method, the log-rank test and the Cox proportional hazard regression model were used...
August 3, 2016: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/27484484/ovarian-masses-with-papillary-projections-diagnosed-and-removed-during-pregnancy-ultrasound-features-and-histological-diagnoses
#17
F Mascilini, L Savelli, M C Scifo, C Exacoustos, I Timor-Tritsch, I De Blasis, M C Moruzzi, T Pasciuto, G Scambia, L Valentin, A C Testa
OBJECTIVES: To elucidate if there are any ultrasound features that can be used to discriminate between benign and malignant cysts with papillary projections but no other solid components in pregnant women. METHODS: Thirty-four women with an ultrasound diagnosis of an ovarian cyst with papillary projections but no other solid components that had been surgically removed during pregnancy were identified from the databases of four ultrasound units. Some clinical and ultrasound information had been collected prospectively...
August 3, 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27446467/overexpression-of-rab27b-is-correlated-with-distant-metastasis-and-poor-prognosis-in-ovarian-cancer
#18
Ping Ren, Xiao-Qing Yang, Xiao-Lu Zhai, Yu-Quan Zhang, Jian-Fei Huang
The secretory small guanosine-5'-triphosphate-binding enzyme, Rab27B, has been identified to be an oncogene that is involved in the progression of certain tumors. The current study was designed to evaluate the expression pattern of Rab27B in ovarian cancer (OC), borderline tumors and benign ovarian adenoid tumors, as well as its association with survival prognosis and clinical parameters. The expression of Rab27B protein was examined by immunohistochemistry in 204 patients who had undergone ovarian resection without preoperative systemic chemotherapy at the Surgical Department of the Affiliated Hospital of Nantong University (Nantong, China), including 57 benign ovarian adenoid tumors, 44 borderline tumors and 103 malignant tumors...
August 2016: Oncology Letters
https://www.readbyqxmd.com/read/27321095/ultrasonographic-features-and-ca125-levels-of-hormonally-active-ovarian-tumors
#19
Sebastian Szubert, Artur Łojewski, Rafał Moszyński, Arkadiusz Lisowski, Stefan Sajdak, Dariusz Szpurek
OBJECTIVES: Subjective ultrasonographic assessment is currently considered to be the best method of differentiation between various types of ovarian tumors. The aim of the study was to evaluate selected ultrasonographic features and CA125 levels of hormonally active ovarian tumors. MATERIAL AND METHODS: A total of 1135 women with ovarian tumors were diagnosed between 2006 and 2014 at the Division of Gynecologic Surgery, Poznan University of Medical Sciences. Within these tumors, there were 60 hormone-secreting ovarian tumors, including: 20 granulosa cell tumors, 28 fibrothecomas, 10 dysgerminomas, 2 struma ovarii, and 9 metastatic ovarian tumors...
2016: Ginekologia Polska
https://www.readbyqxmd.com/read/27282774/age-related-differences-in-the-sonographic-characteristics-of-endometriomas
#20
Stefano Guerriero, Ben Van Calster, Edgardo Somigliana, Silvia Ajossa, Wouter Froyman, Bavo De Cock, An Coosemans, Daniela Fischerová, Caroline Van Holsbeke, Juan Luis Alcazar, Antonia C Testa, Lil Valentin, Tom Bourne, Dirk Timmerman
STUDY QUESTION: Do sonographic characteristics of ovarian endometriomas vary with age in premenopausal women? SUMMARY ANSWER: With increasing age, multilocular cysts and cysts with papillations and other solid components become more common whereas ground glass echogenicity of cyst fluid becomes less common. WHAT IS KNOWN ALREADY: Expectant or medical management of women with endometriomas is now accepted. Therefore, the accuracy of non-invasive diagnosis of these cysts is pivotal...
August 2016: Human Reproduction
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