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Borderline ovarian carcinoma

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https://www.readbyqxmd.com/read/29321056/mri-appearance-of-ovarian-serous-borderline-tumors-of-the-micropapillary-type-compared-to-that-of-typical-ovarian-serous-borderline-tumors-radiologic-pathologic-correlation
#1
Go Nakai, Takashi Yamada, Kazuhiro Yamamoto, Yoshinobu Hirose, Masahide Ohmichi, Yoshifumi Narumi
BACKGROUND: Serous borderline tumor (SBT) of the micropapillary type (SBT-MP) became one of the major pathological SBT diagnoses in addition to typical SBT, and was also defined as "non-invasive" low-gradeserous carcinoma according to the World Health Organization (WHO) classification in 2014. In this study, we investigated the MRI appearance of SBT-MP compared to that of typical SBT in order to identify specific imaging features of SBT-MP that correspond to pathological findings. METHODS: MR images of 6 histologically proven ovarian SBT-MP in four patients and 14 typical SBT in ten patients were reviewed retrospectively...
January 10, 2018: Journal of Ovarian Research
https://www.readbyqxmd.com/read/29298171/expression-of-%C3%AE-v-tubulin-in-secretory-cells-of-the-fallopian-tube-epithelium-marks-cellular-atypia
#2
Deepti Mathew, Yanhua Wang, Anne Van Arsdale, Susan Band Horwitz, Hayley McDaid
OBJECTIVES: Class V Beta tubulin isotype (βV-tubulin) was recently found to have tissue-specific expression patterns in epithelial tissues with secretory function and aberrant expression in tumors. The aims of this pilot study were (a) to examine expression of βV-tubulin in the fallopian tube epithelium (FTE) of patients who underwent salpingectomy, (b) to characterize FTE atypia in high-risk patients with BRCA mutations, and (c) to determine expression of βV-tubulin in serous ovarian neoplasms...
January 3, 2018: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/29289348/prognostic-indicators-in-ovarian-serous-borderline-tumours
#3
REVIEW
Anais Malpica, Teri A Longacre
There have been great strides in our understanding of the serous group of borderline and malignant pelvic epithelial neoplasms in the past decade. While most serous borderline tumours have a favourable prognosis, recurrences and progression to carcinoma occur, often following a protracted clinical course. Clinical and pathological risk factors tend to co-vary, but the presence and type of extraovarian disease is the most important predictor for progression. Progression usually takes the form of low-grade serous carcinoma, although transformation to high-grade carcinoma is occasionally seen...
December 28, 2017: Pathology
https://www.readbyqxmd.com/read/29241974/endometriosis-associated-ovarian-neoplasia
#4
REVIEW
Xavier Matias-Guiu, Colin J R Stewart
This article reviews the most relevant pathological and molecular features of ovarian tumours that are associated with endometriosis. Endometriosis is a common condition, affecting 5-15% of all women, and it has been estimated that 0.5-1% of cases are complicated by neoplasia. The most common malignant tumours in this setting are endometrioid adenocarcinoma and clear cell adenocarcinoma, each accounting for approximately 10% of ovarian carcinomas in Western countries. A minority of cases are associated with Lynch syndrome...
December 11, 2017: Pathology
https://www.readbyqxmd.com/read/29241740/aberrant-pax-8-expression-in-well-differentiated-papillary-mesothelioma-and-malignant-mesothelioma-of-the-peritoneum-a-clinicopathologic-study
#5
Deyin Xing, Natalie Banet, Rajni Sharma, Russell Vang, Brigitte M Ronnett, Peter B Illei
Serous ovarian neoplasms can overlap morphologically with peritoneal mesothelial proliferations, with common features including well-differentiated papillary mesothelioma (WDPM) and malignant epithelioid mesothelioma (MM). Accurate histologic classification of these neoplasms is important for clinical management. The Pax-8 protein is commonly used for differentiating peritoneal MM from serous carcinoma, but the diagnostic value of Pax-8 for distinguishing WDPM from borderline or low-grade serous tumors is unknown...
December 11, 2017: Human Pathology
https://www.readbyqxmd.com/read/29194190/an-evaluation-of-frozen-section-and-lymph-node-dissection-results-for-mucinous-ovarian-tumors
#6
Marisa R Moroney, Miriam D Post, Amber A Berning, Jeanelle Sheeder, Bradley R Corr
OBJECTIVES: Intraoperative frozen section has greater than 90% accuracy for ovarian tumors; however, mucinous histology has been shown to be associated with increased frozen section inaccuracy. Recent data demonstrate that primary ovarian mucinous carcinomas have no lymph node involvement, even when extraovarian disease is present, and therefore may not require lymph node dissection. Our primary objective is to evaluate the accuracy of identifying mucinous histology on frozen section...
November 30, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/29177593/practical-recommendations-for-fertility-preservation-in-women-by-the-fertiprotekt-network-part-i-indications-for-fertility-preservation
#7
A N Schüring, T Fehm, K Behringer, M Goeckenjan, P Wimberger, M Henes, J Henes, M F Fey, M von Wolff
PURPOSE: Most guidelines about fertility preservation are predominantly focused on scientific evidence, but are less practically orientated. Therefore, practically oriented recommendations are needed to support the clinician in daily practice. METHODS: A selective literature search was performed based on the clinical and scientific experience of the authors, focussing on the most relevant diseases and gynaecological cancers. This article (Part I) provides information on topics that are essential for the fertility preservation indication, such as disease prognosis, disease therapy and its associated risks to fertility, recommending disease-specific fertility preservation measures...
November 24, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29137401/hormone-receptors-expression-in-ovarian-cancer-taking-into-account-menopausal-status-a-retrospective-study-in-chinese-population
#8
Fang Shen, Xuyin Zhang, Yiqun Zhang, Jingxin Ding, Qi Chen
Ovarian cancer is a major gynaecological cancer with different subtypes and studies have suggested that estrogen receptor (ER) or progesterone receptor (PR) positivity are associated with better clinical outcomes. Furthermore, the clinical outcomes of ovarian cancer are better in Asian compared to Caucasian. To date, studies investigating the ER or PR positivity in all subtypes of ovarian cancer, including borderline epithelial, are limited. In this retrospective study we investigated ER and PR positivity in Chinese women with malignant epithelial ovarian cancer (n=577), sex cord-stromal tumor (n=26) and borderline epithelial ovarian cancer (n=98) taking into account menopausal status...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137100/ultrasonic-and-pathological-characteristics-of-ovarian-mucinous-cystic-tumors-with-malignant-mural-nodules-two-cases-report
#9
Yan Zhang, Zheng Yuan, Kai Sun, Peifeng Li
RATIONALE: Sarcomatous or anaplastic carcinoma mural nodules presenting in ovarian mucinous cystic tumors are very rare. Here, we reported the ultrasonic and pathological features of 2 such cases. PATIENT CONCERNS: A 60-year-old woman presented with a complaint of lower abdominal pain. Physical examination revealed a hard, palpable mass in her right lower abdomen with mild tenderness. In addition, a 48-year-old woman presented with left abdominal pain and abdominal fullness...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29113327/the-prevalence-of-malignant-and-borderline-ovarian-cancer-in-pre-and-post-menopausal-chinese-women
#10
Fang Shen, Shouzhen Chen, Yifei Gao, Xujing Dai, Qi Chen
The incidence of ovarian cancer depends on the ethnicity and geographical area. Menopausal status is a well-known risk factor for ovarian cancer and most cases occur after menopause in Caucasians. However, it is less clear how the status of menopause or age at diagnosis is associated with ovarian cancer including its subtypes in Chinese women. Data on 1,283 women with primary malignant or borderline ovarian cancer including age at diagnosis, age at menopause and histology from the largest women's hospital in China was analysed...
October 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/29106744/germ-cell-tumor-growth-patterns-originating-from-clear-cell-carcinomas-of-the-ovary-and-endometrium-a-comparative-immunohistochemical-study-favouring-their-origin-from-somatic-stem-cells
#11
F F Nogales, J Prat, M Schuldt, N Cruz-Viruel, B Kau, E D'Angelo, X Matias-Guiu, A Vidal, W G McCluggage, J W Oosterhuis
AIMS: To report a series of 11 ovarian and one endometrial neoplasm in elderly patients with mixed clear cell tumour and germ cell tumour (GCT) components, to compare their immunohistochemical and demonstrate a putative stem cell population. METHODS AND RESULTS: The clear cell tumours included 11 clear cell carcinomas (CCC) and 1 borderline clear cell tumour, while the GCT always included glandular yolk sac tumour (YST). In 4 cases, there were also foci of teratoma with immature neuroepithelial and endodermal tissues, and undifferentiated areas showing true embryoids...
November 6, 2017: Histopathology
https://www.readbyqxmd.com/read/29079174/mir-223-potentially-targets-swi-snf-complex-protein-smarcd1-in-atypical-proliferative-serous-tumor-and-high-grade-ovarian-serous-carcinoma
#12
Florence A Arts, Lisa Keogh, Paul Smyth, Sharon O'Toole, Robert Ta, Noreen Gleeson, John J O'Leary, Richard Flavin, Orla Sheils
Ovarian cancer is the fifth most common cancer in women worldwide and has the highest mortality amongst gynecological cancers. miRNAs are a class of non-coding RNAs, approximately 22 nt long, that negatively regulate gene expression and to have roles in cell growth, differentiation, metabolism, apoptosis and tumorigenesis. Dysregulated miRNA-223 expression has been implicated in a wide range of cancer subtypes. SMARCD1 is an integral protein component of the SWI/SNF complex which remodels chromatin, and which has important roles in transcriptional control, DNA replication, recombination and repair...
October 24, 2017: Human Pathology
https://www.readbyqxmd.com/read/29039491/non-canonical-hedgehog-signaling-activation-in-ovarian-borderline-tumors-and-ovarian-carcinomas
#13
Petar Ozretić, Diana Trnski, Vesna Musani, Ivana Maurac, Držislav Kalafatić, Slavko Orešković, Sonja Levanat, Maja Sabol
Hedgehog signaling pathway has been implicated in the pathology of ovarian cancer, and Survivin (BIRC5) has been suggested as a novel target of this pathway. Herein we investigated the role of Hedgehog signaling pathway and Survivin in ovarian carcinoma and borderline tumor samples. We aimed to determine possible ways of pathway modulation on primary ovarian cancer cells and an established cell line. RNA was extracted from fresh tumors and control tissues and gene expression was examined using qRT-PCR. Pathway activity in cell lines was examined after treatment with cyclopamine, SHH protein, GANT-61 or lithium chloride using qRT-PCR, western blot and confocal microscopy...
October 12, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29034605/useful-aspects-of-diagnosis-of-imprint-cytology-in-intraoperative-consultation-of-ovarian-tumors-comparison-between-imprint-cytology-and-frozen-sections
#14
Shiho Azami, Yuuji Aoki, Mizuki Iino, Asumi Sakaguchi, Kanako Ogura, Daiki Ogishima, Toshiharu Matsumoto
BACKGROUND: In the intraoperative consultation of ovarian tumors, the histological diagnosis of frozen sections (FS) of large tumors is frequently difficult because of the limited number of tumor samples. The application of imprint cytology (IC), in which samples are obtained from wide areas of the tumors, is useful for intraoperative consultation. However, the useful aspects of IC have not been clearly defined. The present study is a detailed comparison of IC and FS that clearly defines the useful aspects of IC...
October 16, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/29027536/kras-mutation-of-extraovarian-implants-of-serous-borderline-tumor-prognostic-indicator-for-adverse-clinical-outcome
#15
Tao Zuo, Serena Wong, Natalia Buza, Pei Hui
In contrast to non-invasive extraovarian implants, invasive implants of ovarian serous borderline tumor/atypical proliferative serous tumor are associated with adverse outcome and have been reclassified as low-grade serous carcinoma. Mutations of KRAS and/or BRAF have been reported in up to 50% of serous borderline tumor/atypical proliferative serous tumor. We investigated KRAS and BRAF mutation frequencies in the two types of implants of serous borderline tumor/atypical proliferative serous tumor in correlation with clinical outcome...
October 13, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29022892/the-lncrna-hulc-functions-as-an-oncogene-by-targeting-atg7-and-itgb1-in-epithelial-ovarian-carcinoma
#16
Shuo Chen, Dan-Dan Wu, Xiu-Bo Sang, Li-Li Wang, Zhi-Hong Zong, Kai-Xuan Sun, Bo-Liang Liu, Yang Zhao
Highly upregulated in liver cancer (HULC) is a long noncoding RNA (lncRNA), which has recently been identified as a key regulator in the progression of hepatocellular carcinoma, gliomas and gastric cancer. However, its role in epithelial ovarian carcinoma (EOC) remains unknown. In this study, HULC expression was examined in EOC, borderline and benign ovarian tumors, and normal ovarian tissues by RT-PCR. Ovarian cancer cell phenotypes, as well as autophagy-associated proteins were examined after HULC overexpression or downregulation by plasmid or small interfering RNA (siRNA) transfection, respectively...
October 12, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28992761/kras-mutation-testing-in-borderline-ovarian-tumors-and-low-grade-ovarian-carcinomas-with-a-rapid-fully-integrated-molecular-diagnostic-system
#17
Pawel Sadlecki, Paulina Antosik, Dariusz Grzanka, Marek Grabiec, Malgorzata Walentowicz-Sadlecka
Epithelial ovarian neoplasms are a heterogeneous group of tumors, including various malignancies with distinct clinicopathologic and molecular features. Mutations in BRAF and KRAS genes are the most frequent genetic aberrations found in low-grade serous ovarian carcinomas and serous and mucinous borderline tumors. Implementation of targeted therapeutic strategies requires access to highly specific and highly sensitive diagnostic tests for rapid determination of mutation status. One candidate for such test is fully integrated, real-time polymerase chain reaction-based Idylla™ system for quick and simple detection of KRAS mutations in formaldehyde fixed-paraffin embedded tumor samples...
October 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28965696/gene-expression-profiles-of-ovarian-low-grade-serous-carcinoma-resemble-those-of-fallopian-tube-epithelium
#18
Chunping Qiu, Nan Lu, Xiao Wang, Qing Zhang, Cunzhong Yuan, Shi Yan, Samina Dongol, Yingwei Li, Xiaomei Sun, Chenggong Sun, Zhiwei Zhang, Wenxin Zheng, Beihua Kong
OBJECTIVE: The cell of origin of ovarian low-grade serous carcinoma (LGSC) remains unclarified. Our recent morphologic and immunophenotypic study suggests that most LGSCs may be derived from the fallopian tube. The purpose of the current study was to gain further insight into the origin of LGSC at the molecular level. METHODS: RNA-seq analysis was performed on a total of 31 tissue samples including LGSC (n=6), serous borderline tumors (SBT, n=6), fallopian tube epithelia (FTE, n=5), ovarian surface epithelia (OSE, n=4), and human peritoneal mesothelia (HPM, n=4)...
September 28, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28928856/the-putative-role-of-tp53-alterations-and-p53-expression-in-borderline-ovarian-tumors-correlation-with-clinicopathological-features-and-prognosis-a-mini-review
#19
REVIEW
Andrzej Semczuk, Marek Gogacz, Anna Semczuk-Sikora, Maciej Jóźwik, Tomasz Rechberger
Borderline ovarian tumors (BOTs) represent an independent group among ovarian malignancies, being diagnosed at clinical stage earlier than invasive ovarian carcinomas (OCs) and characterized by a rather favorable outcome after careful surgical management. Data published worldwide showed a substantial discordance of p53 expression in BOTs. The purpose of this work was to present the current status of knowledge on the significance of TP53 gene and p53 protein product alterations in BOTs. In general, higher p53 expression patterns were reported for ovarian malignancies compared to BOTs...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28906309/cancer-stem-cell-related-marker-nanog-expression-in-ovarian-serous-tumors-a-clinicopathological-study-of-159-cases
#20
Nataša Kenda Šuster, Snježana Frković Grazio, Irma Virant-Klun, Ivan Verdenik, Špela Smrkolj
OBJECTIVE: The objectives of this study were to assess cancer stem cell-related marker NANOG expression in ovarian serous tumors and to evaluate its prognostic significance in relation to ovarian serous carcinoma. METHODS: NANOG protein expression was immunohistochemically evaluated in the ovarian tissue microarrays of 20 patients with benign ovarian serous tumors, 30 patients with borderline ovarian serous tumors, and 109 patients with ovarian serous carcinomas, from which 106 were of high-grade and 3 of low-grade morphology Immunohistochemical reaction was scored according to signal intensity and the percentage of positive cells in tumor samples...
November 2017: International Journal of Gynecological Cancer
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