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endometrial carcinoma screening

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https://www.readbyqxmd.com/read/29783979/lynch-syndrome-associated-endometrial-carcinoma-with-mlh1-germline-mutation-and-mlh1-promoter-hypermethylation-a-case-report-and-literature-review
#1
Takanori Yokoyama, Kazuhiro Takehara, Nao Sugimoto, Keika Kaneko, Etsuko Fujimoto, Mika Okazawa-Sakai, Shinichi Okame, Yuko Shiroyama, Takashi Yokoyama, Norihiro Teramoto, Shozo Ohsumi, Shinya Saito, Kazuho Imai, Kokichi Sugano
BACKGROUND: Lynch syndrome is an autosomal dominant inherited disease caused by germline mutations in mismatch repair genes. Analysis for microsatellite instability (MSI) and immunohistochemistry (IHC) of protein expressions of disease-associated genes is used to screen for Lynch syndrome in endometrial cancer patients. When losses of both MLH1 and PMS2 proteins are observed by IHC, MLH1 promoter methylation analysis is conducted to distinguish Lynch syndrome-associated endometrial cancer from sporadic cancer...
May 21, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29749513/bioinformatics-analysis-of-key-differentially-expressed-genes-in-well-and-poorly-differentiated-endometrial-carcinoma
#2
Yuqin Zang, Mengting Dong, Kai Zhang, Wenyan Tian, Yingmei Wang, Fengxia Xue
Endometrial carcinoma (EC) is one of the most common gynecological malignancies. The malignant degree increases between grade (G)1 and G3, and EC of G3 usually presents a high recurrence rate and poor prognosis. Therefore, the present study aimed to examine the principal genes associated with the degree of differentiation in EC. The microarrays GSE17025, GSE24537 and GSE35784, representing data of Type I EC samples of G1 and G3, were downloaded from the Gene Expression Omnibus. The differentially expressed genes (DEGs) and differentially expressed micro (mi)RNAs (DEMs) were identified, followed by functional enrichment analyses and interaction network construction...
May 4, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29683909/acog-committee-opinion-no-734-the-role-of-transvaginal-ultrasonography-in-evaluating-the-endometrium-of-women-with-postmenopausal-bleeding
#3
(no author information available yet)
Cancer of the endometrium is the most common type of gynecologic cancer in the United States. Vaginal bleeding is the presenting sign in more than 90% of postmenopausal women with endometrial carcinoma. Clinical risk factors for endometrial cancer, including but not limited to age, obesity, use of unopposed estrogen, specific medical comorbidities (eg, polycystic ovary syndrome, type 2 diabetes mellitus, atypical glandular cells on screening cervical cytology), and family history of gynecologic malignancy also should be considered when evaluating postmenopausal bleeding...
May 2018: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29683904/acog-committee-opinion-no-734-summary-the-role-of-transvaginal-ultrasonography-in-evaluating-the-endometrium-of-women-with-postmenopausal-bleeding
#4
(no author information available yet)
Cancer of the endometrium is the most common type of gynecologic cancer in the United States. Vaginal bleeding is the presenting sign in more than 90% of postmenopausal women with endometrial carcinoma. Clinical risk factors for endometrial cancer, including but not limited to age, obesity, use of unopposed estrogen, specific medical comorbidities (eg, polycystic ovary syndrome, type 2 diabetes mellitus, atypical glandular cells on screening cervical cytology), and family history of gynecologic malignancy also should be considered when evaluating postmenopausal bleeding...
May 2018: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29659191/optimised-arid1a-immunohistochemistry-is-an-accurate-predictor-of-arid1a-mutational-status-in-gynaecological-cancers
#5
Saira Khalique, Kalnisha Naidoo, Ayoma D Attygalle, Divya Kriplani, Frances Daley, Anne Lowe, James Campbell, Thomas Jones, Michael Hubank, Kerry Fenwick, Nicholas Matthews, Alistair G Rust, Christopher J Lord, Susana Banerjee, Rachael Natrajan
ARID1A is a tumour suppressor gene that is frequently mutated in clear cell and endometrioid carcinomas of the ovary and endometrium and is an important clinical biomarker for novel treatment approaches for patients with ARID1A defects. However, the accuracy of ARID1A immunohistochemistry (IHC) as a surrogate for mutation status has not fully been established for patient stratification in clinical trials. Here we tested whether ARID1A immunohistochemistry could reliably predict ARID1A mutations identified by next-generation sequencing...
April 16, 2018: Journal of Pathology. Clinical Research
https://www.readbyqxmd.com/read/29656794/immunohistochemistry-for-mismatch-repair-protein-deficiency-in-endometrioid-endometrial-carcinoma-yields-equivalent-results-when-performed-on-endometrial-biopsy-curettage-or-hysterectomy-specimens
#6
David B Chapel, S Diane Yamada, Matthew Cowan, Ricardo R Lastra
OBJECTIVE: Universal screening of endometrial cancer (EC) for Lynch syndrome (LS) has been increasingly implemented in the past five to ten years. Most pathologists initiate screening with immunohistochemistry (IHC) for mismatch repair proteins (MMRPs), using either pre-surgical samplings (endometrial biopsy or curettage, EMB/C) or hysterectomy specimens. We report a systematic assessment of the equivalence of IHC for LS screening on EMB/C versus hysterectomy specimens. METHODS: We identified 99 patients diagnosed with endometrioid EC and performed IHC for MMRPs MLH1, MSH2, MSH6, and PMS2 on their diagnostic EMB/C and paired hysterectomy specimen...
April 13, 2018: Gynecologic Oncology
https://www.readbyqxmd.com/read/29630089/lncrna-snhg8-participates-in-the-development-of-endometrial-carcinoma-through-regulating-c-met-expression-by-mir-152
#7
C-H Yang, X-Y Zhang, L-N Zhou, Y Wan, L-L Song, W-L Gu, R Liu, Y-N Ma, H-R Meng, Y-L Tian, Y Zhang
OBJECTIVE: To investigate the possible function and mechanism of lncRNA SNHG8 in the pathogenesis of endometrial carcinoma. PATIENTS AND METHODS: We utilized qRT-PCR to detect the expression of SNHG8 in 60 cases of endometrial carcinoma and 25 cases of normal endometrium; after that, the endometrial carcinoma cell lines were screened. SNHG8 was transfected into endometrial carcinoma cells by Lipofectamine and the proliferative activity of cells was detected by cell counting kit-8 (CCK-8) assay...
March 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29588532/molecular-changes-preceding-endometrial-and-ovarian-cancer-a-study-of-consecutive-endometrial-specimens-from-lynch-syndrome-surveillance
#8
Anni Niskakoski, Annukka Pasanen, Heini Lassus, Laura Renkonen-Sinisalo, Sippy Kaur, Jukka-Pekka Mecklin, Ralf Bützow, Päivi Peltomäki
Molecular alterations preceding endometrial and ovarian cancer and the sequence of events are unknown. Consecutive specimens from lifelong surveillance for Lynch syndrome provides a natural setting to address such questions. To molecularly define the multistep gynecological tumorigenesis, DNA mismatch repair gene mutation carriers with endometrial or ovarian carcinoma or endometrial hyperplasia were identified from a nation-wide registry and endometrial biopsy specimens taken from these individuals during 20 years of screening were collected...
March 27, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29560769/expression-of-p53-bcl-2-and-bax-in-endometrial-carcinoma-endometrial-hyperplasia-and-normal-endometrium-a-histopathological-study
#9
Simin Mirakhor Samani, Tahmineh Ezazi Bojnordi, Manijeh Zarghampour, Sobhan Merat, Daniel F Fouladi
Our objective was to examine the expression rates of p53, Bcl-2 and Bax in endometrial carcinoma, endometrial hyperplasia and normal endometrium. A total of 94 endometrial frozen sections (carcinoma 48, hyperplasia 21, normal tissue 25) were examined immunohistochemically in terms of the expression rates of p53, Bcl-2 and Bax. All of the specimens in the non-malignant groups were positive for Bax, whereas this rate was 85.4% in the group with malignant specimens (p = .03). Conversely, p53 was expressed only in the cancerous group (77...
March 21, 2018: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29387216/bioinformatics-analysis-of-rna-sequencing-data-reveals-multiple-key-genes-in-uterine-corpus-endometrial-carcinoma
#10
Liang Shen, Ming Liu, Wei Liu, Jing Cui, Changzhong Li
In the present study, the RNA sequencing (RNA-seq) data of uterine corpus endometrial carcinoma (UCEC) samples were collected and analyzed using bioinformatics tools to identify potential genes associated with the development of UCEC. UCEC RNA-seq data were downloaded from The Cancer Genome Atlas database. Differential analysis was performed using edgeR software. A false discovery rate <0.01 and |log2 (fold change)|>1 were set as the cut-off criteria to screen for differentially expressed genes (DEGs)...
January 2018: Oncology Letters
https://www.readbyqxmd.com/read/29373116/uncommon-hereditary-gynaecological-tumour-syndromes-pathological-features-in-tumours-that-may-predict-risk-for-a-germline-mutation
#11
REVIEW
Karuna Garg, Anthony N Karnezis, Joseph T Rabban
The most common hereditary gynaecological tumour syndromes are hereditary breast and ovarian cancer syndrome and Lynch syndrome. However, pathologists also may encounter gynaecological tumours in women with rare hereditary syndromes. Many of these tumours exhibit distinctive gross and microscopic features that are associated with a risk for an inherited gene mutation. The sensitivity and specificity of these tumour pathology features for predicting an inherited mutation vary depending on the syndrome. By recognising these tumour features, pathologists may potentially contribute to the diagnosis of an unsuspected syndrome by recommending referral of the patient for formal risk assessment by genetic counselling...
February 2018: Pathology
https://www.readbyqxmd.com/read/29344435/synchronous-uterine-metastases-from-breast-cancer-case-study-and-literature-review
#12
REVIEW
Aisha Akhtar, Atul Ratra, Yana Puckett, Abu Baker Sheikh, Catherine A Ronaghan
Breast cancer rarely metastasizes to the uterus. Here, we report two breast cancer patients with synchronous metastases to the uterus. Case 1 highlights a 46-year-old female with invasive ductal carcinoma who presented with a breast mass and was found to have uterine enlargement on positron emission tomography (PET) scan. Biopsy revealed a metastatic 4 mm focus of breast cancer in the background of endometrial hyperplasia. Case 2 reports a 62-year-old postmenopausal female diagnosed with lobular carcinoma of the breast following an abnormal screening mammogram...
November 13, 2017: Curēus
https://www.readbyqxmd.com/read/28949442/cervical-cancer-screening-cotesting-with-cytology-and-mrna-hpv-e6-e7-yields-high-rates-of-cin2-lesions-in-young-women
#13
Rosario Granados, Hilda Tellez-Safina, Isabel Solis, Francisco Mateos, Jose Maria Rodriguez-Barbero, Jose Antonio Aramburu, Miguel Angel Huertas, Paloma Bajo, Encarnacion Camarmo, Teresa Corrales, Pedro Medina, Beatriz Calvo, Esther Martin, Laura Anta, Manuel Zamora, Teresa Alcaide
BACKGROUND: European guidelines recommend primary HPV testing for cervical cancer screening. However, the starting age remains to be defined, with an undecided window between 30 and 35 years. This pilot study compares the effectiveness of primary HPV testing to that of cytology for the detection of high-grade (CIN2+) lesions stratified by age. METHODS: Cotesting with LBC cytology and APTIMA® HPV (AHPV) was performed in 5053 women aged 25-65 in an opportunistic screening program in Madrid...
December 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28914717/the-relationship-between-mismatch-repair-deficiency-and-pd-l1-expression-in-breast-carcinoma
#14
Anne M Mills, Erik A Dill, Christopher A Moskaluk, Jaroslaw Dziegielewski, Tim N Bullock, Patrick M Dillon
Mismatch repair (MMR) deficiency in solid tumors has recently been linked to susceptibility to immunotherapies targeting the programmed cell death-1 (PD-1)/programmed cell death-1 ligand (PD-L1) axis. Loss of MMR proteins has been shown to correlate with tumoral PD-L1 expression in colorectal and endometrial carcinomas, but the association between expression of MMR proteins and PD-L1 has not previously been studied in breast carcinoma, where MMR deficiency is less common. We assessed the relationship between PD-L1 and MMR protein expression by immunohistochemistry in 245 primary and 40 metastatic breast carcinomas...
February 2018: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28870960/risk-reducing-salpingo-oophorectomy-in-women-at-higher-risk-of-ovarian-and-breast-cancer-a-single-institution-prospective-series
#15
Enzo Ricciardi, Federica Tomao, Giovanni Aletti, Luca Bazzurini, Luca Bocciolone, Sara Boveri, Fabio Landoni, Maria Teresa Lapresa, Matteo Maruccio, Gabriella Parma, Fedro Peccatori, Maria Cristina Petrella, Vanna Zanagnolo, Nicoletta Colombo, Angelo Maggioni
BACKGROUND/AIM: Occult cancers' reported rates vary from 2-12% and serous tubal intraepithelial carcinomas (STICs) have been identified in 3-12% of the prophylactically removed tubes of women carrying a BRCA mutation. The aim of this study was to evaluate the incidence of tubal minor epithelial atypia (STIL), STIC, and occult invasive cancer and to evaluate the cancer-specific mortality in a prospective series of women at higher risk of ovarian and breast cancer undergoing risk-reducing salpingo-oophorectomy (RRSO) n a tertiary cancer center...
September 2017: Anticancer Research
https://www.readbyqxmd.com/read/28820751/importance-of-pcr-based-tumor-testing-in-the-evaluation-of-lynch-syndrome-associated-endometrial-cancer
#16
Amanda S Bruegl, Annessa Kernberg, Russell R Broaddus
Lynch syndrome (LS) is a hereditary cancer syndrome caused by a germline mutation in a DNA mismatch repair gene, usually MLH1, MSH2, MSH6, or PMS2. The most common cancers associated with LS are colorectal adenocarcinoma and endometrial carcinoma. Identification of women with LS-associated endometrial cancer is important, as these women and their affected siblings and children are at-risk of developing these same cancers. Germline testing of all endometrial cancer patients is not cost effective, and screening using young age of cancer diagnosis and/or presence of family history of syndrome-associated is underutilized and ineffective...
November 2017: Advances in Anatomic Pathology
https://www.readbyqxmd.com/read/28800469/immunotherapy-in-ovarian-endometrial-and-cervical-cancer-state-of-the-art-and-future-perspectives
#17
REVIEW
Jole Ventriglia, Immacolata Paciolla, Carmela Pisano, Sabrina Chiara Cecere, Marilena Di Napoli, Rosa Tambaro, Daniela Califano, Simona Losito, Giosuè Scognamiglio, Sergio Venanzio Setola, Laura Arenare, Sandro Pignata, Chiara Della Pepa
The tumors of the female genital tract represent a leading cause of morbidity and mortality among women worldwide. Substantial progresses have been made in ovarian cancer, with the increasing knowledge about BRCA mutated tumors and the recent development of PARP inhibitors, and in cervical cancer, thanks to extensive screening and widespread of vaccination against Human Papilloma Virus. Nevertheless many needs remain unmet, advanced stage diseases are still incurable and cervical and endometrial carcinoma, as well as platinum-resistant ovarian carcinoma, can certainly be classifiable among the cancers with poor sensitivity to conventional chemotherapy...
September 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28693207/-99m-tc-lhrh-in-tumor-receptor-imaging
#18
Dawei Hao, Lingfei Sun, Xiang Hu, Xiaowen Hao
Detection of gonadotropin-releasing hormone (GnRH) also known as luteinizing hormone-releasing hormone (LHRH) in the relevant tumor tissue and normal tissues and organs in vivo expression was investigated. To examine the method of direct radio labeling of LHRH by (99m)Tc with relatively high radiochemical purity and stability, screening the best labeling conditions, to establish a simple and reliable method of preparation of (99m)Tc-LHRH was undertaken. The detection of radioisotope-labeled LHRH distribution in mice, LHRH receptor imaging for the study and treatment of cancer basis were evaluated...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28693005/george-papanicolaou-s-efforts-to-develop-novel-cytologic-methods-for-the-early-diagnosis-of-endometrial-carcinoma
#19
REVIEW
R Marshall Austin
Toward the end of his career, Dr. George Papanicolaou became interested in human endometrial explants placed into tissue culture. The initial focus of his studies was on phagocytic cells emanating from endometrial explants and their role in cleansing the uterine cavity after each menstrual cycle and in sterilizing the uterine cavity in the face of infection. Papanicolaou also observed that growth rates of explanted normal and pathologic endometrial tissues differed considerably. Explants of endometrial malignancies exhibited not only increased growth rates but also visible proliferation of cells with readily identifiable cytologic features of malignancy...
2017: Acta Cytologica
https://www.readbyqxmd.com/read/28678427/clear-cell-and-endometrioid-carcinomas-are-their-differences-attributable-to-distinct-cells-of-origin
#20
COMPARATIVE STUDY
Dawn R Cochrane, Basile Tessier-Cloutier, Katherine M Lawrence, Tayyebeh Nazeran, Anthony N Karnezis, Clara Salamanca, Angela S Cheng, Jessica N McAlpine, Lien N Hoang, C Blake Gilks, David G Huntsman
Endometrial epithelium is the presumed tissue of origin for both eutopic and endometriosis-derived clear cell and endometrioid carcinomas. We had previously hypothesized that the morphological, biological and clinical differences between these carcinomas are due to histotype-specific mutations. Although some mutations and genomic landscape features are more likely to be found in one of these histotypes, we were not able to identify a single class of mutations that was exclusively present in one histotype and not the other...
September 2017: Journal of Pathology
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