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mucinous ovarian tumor

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https://www.readbyqxmd.com/read/28238382/frequency-of-papillary-tubal-hyperplasia-pth-salpingoliths-and-transition-from-adenoma-to-borderline-ovarian-tumors-bot-a-systematic-analysis-of-74-bot-with-different-histologic-types
#1
Lars-Christian Horn, Karolin Angermann, Bettina Hentschel, Jens Einenkel, Anne Kathrin Höhn
Borderline ovarian tumors (BOT) arise from cystadenomas and represent a transition step within the development of low-grade ovarian carcinomas (Type I tumors). That pathway mirrors the adenoma-to-carcinoma sequence known for colorectal cancer. It has been suggested that papillary tubal hyperplasia (PTH) and salpingoliths may be associated with the development of BOT. To evaluate the frequency of the presence of benign cystadenoma and its transition to BOT in a given patient as well as the presence of PTH and salpingoliths we re-valuated in 74 consecutive cases of BOT with different histologic types...
February 6, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28216128/mucinous-cystadenoma-in-children-and-adolescents
#2
Renee A Cowan, Erin N Haber, Fabio R Faucz, Constantine A Stratakis, Veronica Gomez-Lobo
STUDY OBJECTIVE: Mucinous cystadenomas (MCAs) are benign epithelial ovarian tumors that occur rarely in children and adolescents. As children and adolescents typically have their childbearing years ahead of them, conservative therapy is indicated. However, there is concern that ovarian cystectomy may be associated with significant recurrence risk in MCA. Furthermore, GNAS gene mutations are associated with McCune-Albright Syndrome, which is associated with cystic ovaries. We sought to evaluate the outcomes of children and adolescents with MCA treated conservatively...
February 16, 2017: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/28214217/malignant-tumors-associated-with-ovarian-mature-teratoma-a-single-institution-experience
#3
Levent Trabzonlu, Guray Durmaz, Cigdem Vural, Bahar Muezzinoglu, Aydin Corakci
OBJECTIVE: The aims of this study are to present demographical features of cases diagnosed with malignant tumor associated with ovarian mature teratoma and to analyze histopathological features and clinical follow up of these tumors. STUDY DESIGN: Single-institution retrospective charts were reviewed to identify all cases of ovarian mature teratoma diagnosed from 1998 to 2015. Clinicopathological parameters that were analyzed include age, tumor size, tumor stage, histological type, laterality, IOC diagnosis and whether or not patient has received adjuvant chemotherapy...
January 22, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28208869/mature-cystic-teratoma-with-co-existent-mucinous-cystadenocarcinoma-in-the-same-ovary-a-diagnostic-dilemma
#4
Sanjeet Roy, Sramana Mukhopadhayay, Mayank Gupta, Anuradha Chandramohan
Mature cystic teratoma co-existing with a mucinous cystadenocarcinoma is an infrequently encountered entity with only a handful of cases reported till date. The possibilities in such a case are either a malignant transformation of a benign teratoma into adenocarcinoma or a collision tumor between a mature cystic teratoma and a mucinous tumour of either a primary ovarian surface epithelial-stromal origin or a secondary from a primary gastrointestinal tract tumour. The importance of distinguishing between the two entities has significant bearing on subsequent therapeutic management...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28179304/imp3-expression-in-borderline-tumors-of-the-ovary
#5
Ahmed El-Balat, Nicole Sänger, Thomas Karn, Sven Becker, Uwe Holtrich, Zelal Muallem, Ruza Arsenic
BACKGROUND/AIM: Borderline ovarian tumors (BOTs) have a less aggressive behavior than invasive epithelial ovarian tumors. Still some patients relapse or succumb to disease. Molecular markers that reliably predict prognosis are lacking. Insulin-like growth factor II mRNA-binding protein (IMP3) has been suggested as a prognostic marker in colorectal, hepatocellular, and ovarian clear-cell carcinomas. MATERIALS AND METHODS: We analyzed the expression of IMP3 by immunohistochemistry in a cohort of 140 BOT and its association with histopathological features...
2017: Anticancer Research
https://www.readbyqxmd.com/read/28166073/ovarian-tumors-pattern-of-histomorphological-types-a-10-years-study-in-a-tertiary-referral-center-and-review-of-literature
#6
A Ghosh, D Ghartimagar, S Thapa, B Sathian, R Narasimhan, O P Talwar
Background Ovarian cancer accounts for 6% of all cancers in females. Among cancers of female genital tract, the incidence of ovarian cancers ranks below only carcinoma of the cervix and the endometrium. Objective To find the frequency of different types of histomorphological types and their association with age, side and size distribution. Method This study is a hospital based retrospective study carried out in the Department of Pathology, Manipal Teaching Hospital over a time period from Jan. 2006 to Sep. 2015...
April 2016: Kathmandu University Medical Journal (KUMJ)
https://www.readbyqxmd.com/read/28138412/mucinous-borderline-ovarian-tumor-a-case-report-with-diagnostic-insights-on-ultrasound-findings
#7
Anna Szymańska-Dubowik, Marcin Śniadecki, Agnieszka Bianek-Bodzak, Marcin Liro, Edyta Szurowska
Borderline ovarian tumors represent about 10% of all epithelial ovarian cancers, but in contrast to epithelial ovarian cancers, they constitute a group of tumors with a much better prognosis. An assessment of clinical presentation, physical examination, radiological and biochemical findings is necessary to tailor management strategies for patients with ovarian tumors. The article, which is based on a case report, describes different approaches for preoperative diagnosis as well as discusses approaches that might bring some insights on tumor histology...
December 2016: Journal of Ultrasonography
https://www.readbyqxmd.com/read/28133201/-long-term-survival-in-response-to-multimodality-therapy-in-a-patient-with-invasive-pancreatic-cancer-with-cyst-formation
#8
Hironobu Makino, Hisashi Kametaka, Tadaomi Fukada, Kazuhiro Seike, Akio Hasegawa, Masaru Isozaki
The patient was a 61-year-old man. Computed tomography(CT)in April 2007 revealed a pancreatic cyst in the tail of the pancreas. Rapid enlargement was noted in November 2007, and the patient was referred to the surgery department. CT showed a cystic lesion containing a nodular shadow in the pancreatic tail. Tumor marker measurements yielded normal carcinoembryonic antigen(CEA)and carbohydrate antigen 19-9(CA19-9)levels, but the duke pancreatic monoclonal antigen type 2(DUPAN-2)level was elevated. A diagnosis of mucinous cystic neoplasm(MCN)of the pancreas was made in December 2007, and distal pancreatectomy and partial colectomy were performed...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28131526/role-of-hysterectomy-and-lymphadenectomy-in-the-management-of-early-stage-borderline-ovarian-tumors
#9
Koji Matsuo, Hiroko Machida, Tsuyoshi Takiuchi, Brendan H Grubbs, Lynda D Roman, Anil K Sood, David M Gershenson
OBJECTIVE: To examine survival of women with stage T1 borderline ovarian tumors (BOTs) stratified by hysterectomy and lymphadenectomy status at surgery. METHODS: This is a retrospective study examining The Surveillance, Epidemiology, and End Results Program to identify surgically-treated stage T1 BOTs between 1988 and 2003 (n=4943). Association of surgery patterns and cause-specific survival (CSS) was examined in multivariable analysis. RESULTS: Mean age was 48...
January 26, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28125452/morphologic-reproducibility-genotyping-and-immunohistochemical-profiling-do-not-support-a-category-of-seromucinous-carcinoma-of-the-ovary
#10
Peter F Rambau, John B McIntyre, Jennifer Taylor, Sandra Lee, Travis Ogilvie, Anna Sienko, Don Morris, Máire A Duggan, W Glenn McCluggage, Martin Köbel
The 2014 World Health Organization Classification of Tumors of Female Reproductive Organs endorsed the new category of seromucinous carcinoma, a neoplasm that exhibits morphologic and immunophenotypic overlap with other histotypes of ovarian carcinoma. The goal of this study was to determine whether seromucinous carcinoma was a distinct histotype by assessing its diagnostic reproducibility and comparing its molecular composition to the 5 major histotypes of ovarian carcinoma. Thirty-two tumors diagnosed as seromucinous carcinomas from 2 centers were studied...
January 25, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28109714/biliary-tumors-with-pancreatic-counterparts
#11
Yasuni Nakanuma, Yoshiko Sudo
Some biliary diseases mimic pancreatic diseases pathologically as well as pathogenetically. Such diseases can be called "biliary diseases with pancreatic counterparts". Biliary intraepithelial neoplasm (BilIN), intraductal papillary neoplasm of bile ducts (IPNB), hepatobiliary mucinous cystic neoplasm (hMCN), and IgG4-inflammatory pseudotumor represent the biliary counterparts of pancreatic intraepithelial neoplasm (PanIN), intraductal papillary mucinous neoplasm of pancreas (IPMN), pancreatic MCN, and mass forming type 1 autoimmune pancreatitis (AIP), respectively...
December 20, 2016: Seminars in Diagnostic Pathology
https://www.readbyqxmd.com/read/28062115/genotype-matched-treatment-for-patients-with-advanced-type-i-epithelial-ovarian-cancer-eoc
#12
A Spreafico, A M Oza, B A Clarke, H J Mackay, P Shaw, M Butler, N C Dhani, S Lheureux, M K Wilson, S Welch, T Zhang, C Yu, T Stockley, L L Siu, S Kamel-Reid, P L Bedard
BACKGROUND: Genomic alterations that activate the MAPK signaling pathway frequently occur in Type I Epithelial Ovarian Cancers (EOCs). We evaluated therapeutic response outcomes in patients with type I EOC treated with genotype-matched therapy on clinical trials enrolled in a prospective molecular profiling program. MATERIAL AND METHODS: Formalin fixed paraffin embedded tumor tissues were prospectively screened for genomic alterations using MALDI-ToF mass-spectrometry platform or targeted sequencing using the Illumina MiSeq TruSeq Amplicon Cancer Panel...
January 3, 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
#13
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...
January 6, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28041594/malignant-and-borderline-epithelial-ovarian-tumors-in-the-pediatric-and-adolescent-population
#14
Dimitrios Nasioudis, Michail Alevizakos, Kevin Holcomb, Steven S Witkin
OBJECTIVES: Malignant and borderline ovarian tumors of epithelial origin are rarely encountered among prepubertal girls and adolescents. The aim of this population-based study was to elucidate their clinicopathological characteristics and prognosis using a multi-institutional tumor registry. STUDY DESIGN AND OUTCOMES: The National Cancer Institute's Surveillance, Epidemiology, and End Results database was accessed and a cohort of females aged <=19years old, diagnosed between 1988 and 2013 with a borderline ovarian tumor (BOT) or a malignant epithelial ovarian carcinoma (EOC) was accessed...
February 2017: Maturitas
https://www.readbyqxmd.com/read/27998309/a-subserosal-pedunculated-multilocular-uterine-leiomyoma-with-ovarian-tumor-like-morphology-and-histological-architecture-of-adenomatoid-tumors-a-case-report-and-review-of-the-literature
#15
Kenji Yorita, Yu Tanaka, Koki Hirano, Yuka Kai, Kaoru Arii, Kimiko Nakatani, Satoshi Ito, Toshiya Imai, Masaharu Fukunaga, Naoto Kuroda
BACKGROUND: Uterine leiomyomas are common uterine tumors, and typical cases of leiomyoma are easily diagnosed by imaging study. However, uterine leiomyomas are often altered by degenerative changes, which can cause difficulty and confusion in their clinical diagnosis. We describe the 17th reported case of a uterine leiomyoma clinically diagnosed as an ovarian tumor; however, the present case shows the most detailed radiological evaluation, including contrast-enhanced magnetic resonance imaging...
December 20, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27984374/cd56-neural-cell-adhesion-molecule-expression-in-ovarian-carcinomas-association-with-high-grade-and-advanced-stage-but-not-with-neuroendocrine-differentiation
#16
Hans-Christian Bösmüller, Philipp Wagner, Deborah Lam Pham, Anna K Fischer, Karen Greif, Christine Beschorner, Bence Sipos, Falko Fend, Annette Staebler
OBJECTIVE: Neural cell adhesion molecule (CD56) has been proposed as a potential marker for neuroendocrine differentiation in carcinomas, together with synaptophysin and chromogranin A. However, CD56 immunoreactivity by itself can be found in a broad variety of tumors, including ovarian neoplasms. CD56 has recently been suggested as a potential target for antibody-based therapy. However, for ovarian carcinoma, there is only limited data available regarding the pattern of CD56 immunoreactivity, coexpression of neuroendocrine markers, and correlation with histological types and clinical parameters...
February 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/27938333/pseudomyxoma-peritonei-of-a-mature-ovarian-teratoma-caused-by-mismatch-repair-deficiency-in-a-patient-with-lynch-syndrome-a-case-report
#17
Yoshimasa Gohda, Rei Noguchi, Tomoko Horie, Toru Igari, Harumi Nakamura, Yasunori Ohta, Kiyoshi Yamaguchi, Tsuneo Ikenoue, Seira Hatakeyama, Nozomi Yusa, Yoichi Furukawa, Hideaki Yano
BACKGROUND: Pseudomyxoma peritonei (PMP) is a rare disease with an estimated incidence of 1-2 cases per million individuals per year. PMP is characterized by the accumulation of abundant mucinous or gelatinous fluid derived from disseminated tumorous cells. Most of the tumorous cells are originated from rupture of appendiceal neoplasms, but some are from the metastasis of cancer of the colon, ovary, fallopian tube, urachus, colorectum, gallbladder, stomach, pancreas, lung and breast. Although frequent mutations in KRAS and/or GNAS genes have been reported, precise molecular mechanism underlying PMP remains to be elucidated...
December 9, 2016: BMC Medical Genetics
https://www.readbyqxmd.com/read/27922976/intraoperative-frozen-section-of-ovarian-tumors-a-6-year-review-of-performance-and-potential-pitfalls-in-an-australian-tertiary-referral-center
#18
Rhett Morton, Lyndal Anderson, Jonathan Carter, Selvan Pather, Samir A Saidi
OBJECTIVES: Intraoperative frozen section (IFS) offers a rapid test to guide the extent of surgery, which is essential for optimal treatment of ovarian cancer. This study evaluated the diagnostic performance and influence of IFS in the surgical management of ovarian tumors. METHODS: A retrospective review was conducted of IFS of adnexal lesions from 2008 to 2013, with diagnoses classified as benign, borderline, or malignant. The diagnostic performance of IFS was calculated, with a focus on primary epithelial tumors...
January 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/27909907/obesity-and-ovarian-cancer
#19
Shelley S Tworoger, Tianyi Huang
Ovarian cancer is the most fatal gynecologic cancer and is an important source of cancer-related mortality, particularly in developed countries. Despite substantial research examining adiposity (primarily adult body mass index [BMI]), the overall evidence suggests only a weak positive association between adiposity and risk of ovarian cancer, with stronger associations observed for population-based case-control studies compared to prospective studies. Ovarian cancer is not one disease and emerging data suggest that higher BMI may only be associated with risk of certain histologic subtypes, including low-grade serous and invasive mucinous tumors...
2016: Recent Results in Cancer Research
https://www.readbyqxmd.com/read/27908528/prognostic-significance-of-lymphadenectomy-and-prevalence-of-lymph-node-metastasis-in-clinically-apparent-stage-i-endometrioid-and-mucinous-ovarian-carcinoma
#20
Dimitrios Nasioudis, Eloise Chapman-Davis, Steven S Witkin, Kevin Holcomb
OBJECTIVE: The aim of the present study was to investigate the prevalence of lymph node (LN) metastasis in women with apparent stage I ovarian carcinoma of endometrioid or mucinous histology and to examine the prognostic significance of LN sampling/dissection (LND) on patient survival. METHODS: The National Cancer Institute's Surveillance, Epidemiology, and End Results database was accessed and a cohort of surgically-staged women, diagnosed between 1988 and 2013, with apparent stage I ovarian carcinoma of mucinous or endometrioid histology was selected...
February 2017: Gynecologic Oncology
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