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Robert kurman

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https://www.readbyqxmd.com/read/28886907/final-efficacy-immunogenicity-and-safety-analyses-of-a-nine-valent-human-papillomavirus-vaccine-in-women-aged-16-26-years-a-randomised-double-blind-trial
#1
Warner K Huh, Elmar A Joura, Anna R Giuliano, Ole-Erik Iversen, Rosires Pereira de Andrade, Kevin A Ault, Deborah Bartholomew, Ramon M Cestero, Edison N Fedrizzi, Angelica L Hirschberg, Marie-Hélène Mayrand, Angela Maria Ruiz-Sternberg, Jack T Stapleton, Dorothy J Wiley, Alex Ferenczy, Robert Kurman, Brigitte M Ronnett, Mark H Stoler, Jack Cuzick, Suzanne M Garland, Susanne K Kjaer, Oliver M Bautista, Richard Haupt, Erin Moeller, Michael Ritter, Christine C Roberts, Christine Shields, Alain Luxembourg
BACKGROUND: Primary analyses of a study in young women aged 16-26 years showed efficacy of the nine-valent human papillomavirus (9vHPV; HPV 6, 11, 16, 18, 31, 33, 45, 52, and 58) vaccine against infections and disease related to HPV 31, 33, 45, 52, and 58, and non-inferior HPV 6, 11, 16, and 18 antibody responses when compared with quadrivalent HPV (qHPV; HPV 6, 11, 16, and 18) vaccine. We aimed to report efficacy of the 9vHPV vaccine for up to 6 years following first administration and antibody responses over 5 years...
September 5, 2017: Lancet
https://www.readbyqxmd.com/read/28700421/atypical-proliferative-borderline-serous-tumor-in-the-brain-a-case-report
#2
Deyin Xing, Erik G Jenson, Christopher A Zwick, Fausto J Rodriguez, Robert J Kurman
A 59-year-old woman with a remote history of invasive ductal carcinoma of the breast was found on a follow-up computed tomography scan of her brain to have a 1-cm lesion in the right frontal lobe in 2008. In the ensuing years, before her current admission, multiple imaging studies of the brain revealed that the lesion was stable and it was, therefore, interpreted as a small area of encephalomalacia related to a thrombosed cortical vein, a cavernoma, or treated metastatic breast cancer. In 2013, the patient underwent a bilateral salpingo-oophorectomy for ovarian tumors that were diagnosed as bilateral serous cystadenofibromas...
July 11, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28248817/long-term-behavior-of-serous-borderline-tumors-subdivided-into-atypical-proliferative-tumors-and-noninvasive-low-grade-carcinomas-a-population-based-clinicopathologic-study-of-942-cases
#3
Russell Vang, Charlotte G Hannibal, Jette Junge, Kirsten Frederiksen, Susanne K Kjaer, Robert J Kurman
Ovarian serous borderline tumors (SBTs) have been the subject of considerable controversy, particularly with regard to terminology and behavior. It has been proposed that they constitute a heterogenous group of tumors composed, for the most part, of typical SBTs that are benign and designated "atypical proliferative serous tumor (APST)" and a small subset of SBTs with micropapillary architecture that have a poor outcome and are designated "noninvasive low-grade serous carcinoma (niLGSC)". It also has been argued that the difference in behavior between the 2 groups is not due to the subtype of the primary tumor but rather the presence of extraovarian disease, specifically invasive implants...
June 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28108026/parity-infertility-oral-contraceptives-and-hormone-replacement-therapy-and-the-risk-of-ovarian-serous-borderline-tumors-a-nationwide-case-control-study
#4
Emma L Kaderly Rasmussen, Charlotte Gerd Hannibal, Christian Dehlendorff, Louise Baandrup, Jette Junge, Russell Vang, Robert J Kurman, Susanne K Kjaer
OBJECTIVE: Few studies have examined the risk of an ovarian serous borderline tumor (SBT) associated with parity, infertility, oral contraceptives (OCs), or hormone replacement therapy (HRT), which was the study aim. METHODS: This nationwide case-control study included all women with an SBT diagnosis in Denmark, 1978-2002. SBTs were confirmed by centralized expert pathology review. For each case, 15 age-matched female controls were randomly selected using risk-set sampling...
March 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28059101/steroid-hormone-synthesis-by-the-ovarian-stroma-surrounding-epithelial-ovarian-tumors-a-potential-mechanism-in-ovarian-tumorigenesis
#5
Luis Z Blanco, Elisabetta Kuhn, Jane C Morrison, Asli Bahadirli-Talbott, Anne Smith-Sehdev, Robert J Kurman
Epithelial ovarian tumors are responsive to steroid hormone stimulation and the ovarian stroma may have a direct role in this process. We evaluated immunohistochemical markers of sex-steroid differentiation and steroidogenesis (calretinin, inhibin, steroidogenic factor 1), steroid enzymes involved in hormone biosynthesis (CYP17, CYP19, HSD17β1, AKR1C3), and hormone receptors (estrogen receptor, progesterone receptor, and androgen receptor) in 101 epithelial ovarian tumors and in normal structures implicated in ovarian carcinogenesis (ovarian surface epithelium and cortical inclusion cysts) in an attempt to elucidate this process...
April 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/27836204/a-nationwide-study-of-ovarian-serous-borderline-tumors-in-denmark-1978-2002-risk-of-recurrence-and-development-of-ovarian-serous-carcinoma
#6
Charlotte Gerd Hannibal, Russell Vang, Jette Junge, Kirsten Frederiksen, Robert J Kurman, Susanne K Kjaer
OBJECTIVE: Absolute risk and risk factors for recurrence and ovarian serous carcinoma following ovarian serous borderline tumors (SBTs) is not well-established. METHODS: We included all women with SBTs in Denmark, 1978-2002. Diagnoses were confirmed by centralized pathology review and classified as atypical proliferative serous tumor (APST) or noninvasive low-grade serous carcinoma (LGSC). Implants were classified as noninvasive or invasive. Medical records were collected and reviewed, and follow-up was obtained...
January 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/27443516/ccne1-amplification-and-centrosome-number-abnormality-in-serous-tubal-intraepithelial-carcinoma-further-evidence-supporting-its-role-as-a-precursor-of-ovarian-high-grade-serous-carcinoma
#7
Elisabetta Kuhn, Tian-Li Wang, Kai Doberstein, Asli Bahadirli-Talbott, Ayse Ayhan, Ann Smith Sehdev, Ronny Drapkin, Robert J Kurman, Ie-Ming Shih
Aberration in chromosomal structure characterizes almost all cancers and has profound biological significance in tumor development. It can be facilitated by various mechanisms including overexpression of cyclin E1 and centrosome amplification. As ovarian high-grade serous carcinoma has pronounced chromosomal instability, in this study we sought to determine whether increased copy number of CCNE1 which encodes cyclin E1 and centrosome amplification (>2 copies) occurs in its putative precursor, serous tubal intraepithelial carcinoma...
October 2016: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/27421040/diagnostic-potential-of-tumor-dna-from-ovarian-cyst-fluid
#8
Yuxuan Wang, Karin Sundfeldt, Constantina Mateoiu, Ie-Ming Shih, Robert J Kurman, Joy Schaefer, Natalie Silliman, Isaac Kinde, Simeon Springer, Michael Foote, Björg Kristjansdottir, Nathan James, Kenneth W Kinzler, Nickolas Papadopoulos, Luis A Diaz, Bert Vogelstein
We determined whether the mutations found in ovarian cancers could be identified in the patients' ovarian cyst fluids. Tumor-specific mutations were detectable in the cyst fluids of 19 of 23 (83%) borderline tumors, 10 of 13 (77%) type I cancers, and 18 of 18 (100%) type II cancers. In contrast, no mutations were found in the cyst fluids of 18 patients with benign tumors or non-neoplastic cysts. Though large, prospective studies are needed to demonstrate the safety and clinical utility of this approach, our results suggest that the genetic evaluation of cyst fluids might be able to inform the management of the large number of women with these lesions...
July 15, 2016: ELife
https://www.readbyqxmd.com/read/27362903/pd-l1-expression-in-human-placentas-and-gestational-trophoblastic-diseases
#9
Emanuela Veras, Robert J Kurman, Tian-Li Wang, Ie-Ming Shih
One of the major immune checkpoints responsible for immune evasion in cancer cells is the interaction between programmed cell death-1 (PD-1) and its ligand (PD-L1). As human trophoblastic cells display many of the features of malignant cells such as the ability to invade normal tissue including blood vessels and are apparently not eradicated by the host immune system, we undertook the present study to determine whether PD-L1 was upregulated in different types of trophoblastic cells during normal pregnancy and in gestational trophoblastic diseases...
March 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/27012190/the-dualistic-model-of-ovarian-carcinogenesis-revisited-revised-and-expanded
#10
REVIEW
Robert J Kurman, Ie-Ming Shih
Since our proposal of a dualistic model of epithelial ovarian carcinogenesis more than a decade ago, a large number of molecular and histopathologic studies were published that have provided important insights into the origin and molecular pathogenesis of this disease. This has required that the original model be revised and expanded to incorporate these findings. The new model divides type I tumors into three groups: i) endometriosis-related tumors that include endometrioid, clear cell, and seromucinous carcinomas; ii) low-grade serous carcinomas; and iii) mucinous carcinomas and malignant Brenner tumors...
April 2016: American Journal of Pathology
https://www.readbyqxmd.com/read/26894303/the-new-who-classification-of-ovarian-fallopian-tube-and-primary-peritoneal-cancer-and-its-clinical-implications
#11
Ivo Meinhold-Heerlein, Christina Fotopoulou, Philipp Harter, Christian Kurzeder, Alexander Mustea, Pauline Wimberger, Steffen Hauptmann, Jalid Sehouli
INTRODUCTION: Molecular pathological research has contributed to improving the knowledge of different subtypes of ovarian cancer. In parallel with the implementation of the new FIGO staging classification, the WHO classification was revised. The latter is mainly based on the histopathological findings and defines the actual type of tumor. It has, therefore, also an important impact on prognosis and therapy of the patient. MATERIALS AND METHODS: The new WHO Classification of Ovarian Cancer published 2014 by Robert Kurman and co-authors is summarized...
April 2016: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/26598986/seromucinous-tumors-of-the-ovary-what-s-in-a-name
#12
REVIEW
Robert J Kurman, Ie-Ming Shih
The recent 2014 World Health Organization (WHO) Classification of Tumours of the Female Reproductive Organs introduced a new category of ovarian neoplasm designated "seromucinous tumours". The recognition of this distinctive group of tumors is an important addition to the classification but the term "seromucinous" has serious flaws that obscures the nature of these neoplasms. Morphologically, seromucinous tumors in addition to serous and endocervical-type mucinous epithelium, contain endometrioid, indifferent and squamous type epithelium...
January 2016: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/26355245/molecular-analysis-of-ovarian-mucinous-carcinoma-reveals-different-cell-of-origins
#13
Yihong Wang, Lauren Ende Schwartz, Derek Anderson, Ming-Tseh Lin, Lisa Haley, Ren-Chin Wu, Russell Vang, Ie-Ming Shih, Robert J Kurman
It is believed that a subset of primary ovarian mucinous tumors is derived from mature teratomas [1-5]. To confirm this, we performed microsatellite genotyping using a variety of short tandem repeat makers and analyzed allelotypes of 8 mucinous tumors (4 mucinous carcinomas, 3 atypical proliferative mucinous tumors and 1 mucinous cystadenoma) associated with a teratoma to determine whether they were clonally related. 7 of the 8 mucinous tumors showed complete or a high degree of homozygosity. Among the 6 pairs of tumors with teratoma tissue available for comparison, 5 of 6 showed a high or complete degree of allelotypes matching, which differed from the somatic allelotypes of the normal control tissue...
September 8, 2015: Oncotarget
https://www.readbyqxmd.com/read/26166714/molecular-alterations-of-tp53-are-a-defining-feature-of-ovarian-high-grade-serous-carcinoma-a-rereview-of-cases-lacking-tp53-mutations-in-the-cancer-genome-atlas-ovarian-study
#14
Russell Vang, Douglas A Levine, Robert A Soslow, Charles Zaloudek, Ie-Ming Shih, Robert J Kurman
The Cancer Genome Atlas has reported that 96% of ovarian high-grade serous carcinomas (HGSCs) have TP53 somatic mutations suggesting that mutation of this gene is a defining feature of this neoplasm. In the current study, 5 gynecologic pathologists independently evaluated hematoxylin and eosin slides of 14 available cases from The Cancer Genome Atlas classified as HGSC that lacked a TP53 mutation. The histologic diagnoses rendered by these pathologists and the accompanying molecular genetic data are the subject of this report...
January 2016: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/26095692/clonality-analysis-of-combined-brenner-and-mucinous-tumours-of-the-ovary-reveals-their-monoclonal-origin
#15
Yihong Wang, Ren-chin Wu, Lauren Ende Shwartz, Lisa Haley, Ming-tse Lin, Ie-ming Shih, Robert J Kurman
The derivation of ovarian intestinal-type mucinous tumours is not well established. Some are derived from teratomas but the origin of the majority is not clear. It has been recently proposed that the non-germ cell group may be derived from Brenner tumours, as the association of a mucinous tumour with a Brenner tumour is frequently observed. In order to explore the histogenesis of these neoplasms, we undertook a clonality analysis of the two components of ten combined Brenner and mucinous tumours using a human androgen receptor gene (HUMARA) assay...
October 2015: Journal of Pathology
https://www.readbyqxmd.com/read/25473746/two-types-of-ovarian-cortical-inclusion-cysts-proposed-origin-and-possible-role-in-ovarian-serous-carcinogenesis
#16
COMPARATIVE STUDY
Natalie Banet, Robert J Kurman
Ovarian cortical inclusion cysts (CICs) have been long regarded as a possible site of origin of epithelial ovarian carcinoma. It has been proposed that they develop from invagination of ovarian surface epithelium (OSE) which then undergoes metaplasia to form mullerian-type tissue and then undergoes neoplastic transformation. Recent studies have challenged this view, at least for high-grade serous carcinoma, proposing that the latter arise from occult carcinomas in the fallopian tube. Although there is compelling evidence supporting this view, it does not account for the origin of all high-grade serous carcinomas...
January 2015: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/25272297/characterization-of-the-immune-cell-repertoire-in-the-normal-fallopian-tube
#17
Laura Ardighieri, Silvia Lonardi, Daniele Moratto, Fabio Facchetti, Ie-Ming Shih, William Vermi, Robert J Kurman
Recent studies implicating the fallopian tube as the site of putative precursors of ovarian serous carcinoma, and the hypothesis that injury, inflammation, and repair of the ovarian surface epithelium at the time of ovulation, may be contributing factors to ovarian carcinogenesis, prompted us to undertake a comprehensive analysis of the immune cells in the normal fallopian tube. Accordingly, the aim of this study was to provide a baseline for future studies exploring the relationship of inflammation with the early events of ovarian carcinogenesis by characterizing the immune cell repertoire in 13 normal human fallopian tubes, combining digital microscopy of immunostained slides and flow cytometry of fresh single-cell suspensions, with a panel of markers that identify the most important adaptive and innate immune cells...
November 2014: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/25216223/loss-of-aldh1a1-expression-is-an-early-event-in-the-pathogenesis-of-ovarian-high-grade-serous-carcinoma
#18
M Herman Chui, Yihong Wang, Ren-Chin Wu, Jeffrey Seidman, Robert J Kurman, Tian-Li Wang, Ie-Ming Shih
Tumor-initiating cells are thought to share features with normal somatic stem cells. In mice, stem cells at the ovarian hilum have been shown to express the stem cell marker, aldehyde dehydrogenase isoform 1A1 (ALDH1A1), and are prone to malignant transformation. The potential relevance of this finding to humans has not been established. In this study, we used immunohistochemistry to assess the distribution of ALDH1A1 staining in the epithelium of human fallopian tubes, with particular reference to the transition of tubal epithelium to mesothelium (ie, tubal-mesothelial junction), ovarian surface epithelium, as well as putative precursors of ovarian high-grade serous carcinoma, namely, serous tubal intraepithelial carcinoma and 'p53 signatures,' and overt serous carcinoma...
March 2015: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/25188864/braf-mutation-is-associated-with-a-specific-cell-type-with-features-suggestive-of-senescence-in-ovarian-serous-borderline-atypical-proliferative-tumors
#19
Felix Zeppernick, Laura Ardighieri, Charlotte G Hannibal, Russell Vang, Jette Junge, Susanne K Kjaer, Rugang Zhang, Robert J Kurman, Ie-Ming Shih
Serous borderline tumor also known as atypical proliferative serous tumor (APST) is the precursor of ovarian low-grade serous carcinoma (LGSC). In this study, we correlated the morphologic and immunohistochemical phenotypes of 71 APSTs and 18 LGSCs with the mutational status of KRAS and BRAF, the most common molecular genetic changes in these neoplasms. A subset of cells characterized by abundant eosinophilic cytoplasm (EC), discrete cell borders, and bland nuclei was identified in all (100%) 25 BRAF-mutated APSTs but in only 5 (10%) of 46 APSTs without BRAF mutations (P<0...
December 2014: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/24924123/a-nationwide-study-of-serous-borderline-ovarian-tumors-in-denmark-1978-2002-centralized-pathology-review-and-overall-survival-compared-with-the-general-population
#20
COMPARATIVE STUDY
Charlotte Gerd Hannibal, Russell Vang, Jette Junge, Kirsten Frederiksen, Anette Kjaerbye-Thygesen, Klaus Kaae Andersen, Ann Tabor, Robert J Kurman, Susanne K Kjaer
OBJECTIVE: To describe the study population and estimate overall survival of women with a serous "borderline" ovarian tumor (SBT) in Denmark over 25 years relative to the general population. METHODS: The Danish Pathology Data Bank and the Danish Cancer Registry were used to identify 1487 women diagnosed with SBTs from 1978 to 2002. The histologic slides were collected from Danish pathology departments and reviewed by expert pathologists and classified as SBT/atypical proliferative serous tumor (APST) or noninvasive low-grade serous carcinoma (LGSC)...
August 2014: Gynecologic Oncology
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