scholarly journals Radiomics in cervical and endometrial cancer

2021 ◽  
pp. 20201314
Author(s):  
Lucia Manganaro ◽  
Gabriele Maria Nicolino ◽  
Miriam Dolciami ◽  
Federica Martorana ◽  
Anastasios Stathis ◽  
...  

Radiomics is an emerging field of research that aims to find associations between quantitative information extracted from imaging examinations and clinical data to support the best clinical decision. In the last few years, some papers have been evaluating the role of radiomics in gynecological malignancies, mainly focusing on ovarian cancer. Nonetheless, cervical cancer is the most frequent gynecological malignancy in developing countries and endometrial cancer is the most common in western countries. The purpose of this narrative review is to give an overview of the latest published papers evaluating the role of radiomics in cervical and endometrial cancer, mostly evaluating association with tumor prognostic factors, with response to therapy and with prediction of recurrence and distant metastasis.

2021 ◽  
Vol 37 (3) ◽  
Author(s):  
Tayyiba Wasim ◽  
Javeria Mushtaq ◽  
Ahmad Zunair Wasim ◽  
Gul e Raana

Background & Objective: Gynecological malignancies are important cause of female morbidity and mortality. They pose significant burden on health resources in low middle-income countries. Data on presentation and risk factors can help in early identification and reduce this burden. Our objective was to evaluate frequency, stage of presentation and risk factors of gynecological malignancies in a tertiary care setting. Methods: It was cross sectional study done in Gynecology Department, Services Institute of Medical Sciences, Services Hospital, Lahore from January 2015- December 2019. The records of the patients were retrospectively reviewed to include all cases of gynecologic malignancies. Demographic information, frequency, risk factors, symptoms, grade and stage of tumor was collected. Results: There were 122 patients diagnosed with gynecological malignancy during the study period. Ovarian cancer was seen in 60 (49.18%) patients followed by cervical cancer in 29(23.7%), endometrial cancer 27(22.1%) and vulva 06(4.9%). Mean age for all cancers was 51±12.7 to 55±9.3 except cervical cancer which was seen in 43±8.9 years. Patients with ovarian cancer had significantly more hypertension and diabetes (p<0.05). Heavy menstrual bleeding and postmenopausal bleeding was significantly seen in patients of endometrial and cervical cancer (p<0.05). Abdominal symptoms of pain, mass and distension were seen in patients with ovarian cancer (p<0.05). Majority patients presented in advanced stage. Among ovarian cancer, 52/60(86.6%) were epithelial in origin while 25(86.2%) cervical cancer and all vulva cancers were squamous cell carcinoma. Conclusion: Ovarian cancer was commonest gynecological malignancy followed by cervical cancer. Late presentation with advanced stage was seen in majority of all cancers. doi: https://doi.org/10.12669/pjms.37.3.3596 How to cite this:Wasim T, Mushtaq J, Wasim AZ, Gul-e-Raana. Gynecological malignancies at tertiary care hospital, Pakistan: A five-year review. Pak J Med Sci. 2021;37(3):---------. doi: https://doi.org/10.12669/pjms.37.3.3596 This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


2019 ◽  
Vol 12 (1) ◽  
Author(s):  
Tiefeng Cao ◽  
Wenwei Pan ◽  
Xiaoli Sun ◽  
Huimin Shen

Abstract Ovarian carcinoma is a lethal gynecological malignancy. Women with ovarian cancer (OC) are highly recurrent and typically diagnosed at late stage. Ten-eleven translocation protein 3 (TET3) belongs to the family of ten-eleven translocations (TETs) which induce DNA demethylation and gene regulation in epigenetic level by converting 5-methylcytosine (5mC) to 5-hydroxymethylcytosine (5hmC). Previous studies indicated that TET3 is overexpressed in ovarian cancer tissues. However, the clinic-pathological functions and prognostic values of TET3 remain unclear. Here we performed an integrative study to identify the role of TET3 by bioinformatics analysis. The TET3 expression in ovarian cancer was assessed with Oncomine database, and validated with TCGA and GTEx database. The correlation of TET3 gene alteration and clinic-pathological functions was addressed by integrative analysis of GEO datasets. Then we showed mainly TET3 gain and diploid but less deletion in ovarian cancer by copy number alteration (CNA) or mutation analysis with cBioPortal. Furthermore, by using Kaplan-Meier plotter (K-M plotter), we evaluated that high TET3 level was associated with poor survival in ovarian cancer patients, which was validated with analysis by PrognoScan database and gene differential analyses with TCGA and GTEx. This is the first study demonstrated that elevated expression of TET3 is associated with poor clinic-pathological functions, poor prognosis, wherein TET3, which presents epigenetic changes or methylation changes, might be served as a diagnostic marker or therapeutic target for ovarian cancer.


2009 ◽  
Vol 16 (2) ◽  
pp. 363-380 ◽  
Author(s):  
Parvesh Chaudhry ◽  
Eric Asselin

Endometrial cancer is the most common gynecological malignancy in developed countries and represents the eighth leading cause of cancer related death in women. The growing incidence of endometrial cancer leads scientists and oncologists to identify effective preventive measures and also molecular markers for diagnosis and prognosis. Chemotherapy and hormone therapy is the mainstay treatment option for advanced and recurrent endometrial cancer and response to therapy is one of the most important factor which favors prognosis and overall survival. In recent years, there have been major advances in the treatment of patients with endometrial cancer. Despite advances made in the treatment of this cancer, the overall survival of patients has not significantly improved because considerable number of patients harbor tumor refractory to these therapies and the majority of the initially responsive tumors become refractory to treatments. Therefore, determination of sensitivity/resistance is becoming increasingly important for individualization of endometrial cancer therapy. The aim of this review is to present the existing knowledge about the molecular markers that could play a crucial role in determining resistance to chemo- and hormone therapy. Extensive literature search for the cell signaling pathways and factors responsible for chemoresistance have been performed and reviewed. Several recent studies suggest that deregulations in the apoptotic pathways (such as p53, Fas/FasL, Bcl-2 family proteins, inhibitor of apoptosis proteins), survival pathways (PI3K/AKT, MAPK), hormone receptor signaling pathways (progesterone receptor), Cyclooxygenase-2 and Her-2 are considered as key factors involved in the onset and maintenance of therapeutic resistance, suggesting that resistance is a multi-factorial phenomenon.


2015 ◽  
Vol 8s1 ◽  
pp. CGM.S21221 ◽  
Author(s):  
Alexander S. Bobbs ◽  
Jennifer M. Cole ◽  
Karen D. Cowden Dahl

Ovarian cancer (OC) is the leading cause of death from a gynecological malignancy in the United States. By the time a woman is diagnosed with OC, the tumor has usually metastasized. Mouse models that are used to recapitulate different aspects of human OC have been evolving for nearly 40 years. Xenograft studies in immunocompromised and immunocompetent mice have enhanced our knowledge of metastasis and immune cell involvement in cancer. Patient-derived xenografts (PDXs) can accurately reflect metastasis, response to therapy, and diverse genetics found in patients. Additionally, multiple genetically engineered mouse models have increased our understanding of possible tissues of origin for OC and what role individual mutations play in establishing ovarian tumors. Many of these models are used to test novel therapeutics. As no single model perfectly copies the human disease, we can use a variety of OC animal models in hypothesis testing that will lead to novel treatment options. The goal of this review is to provide an overview of the utility of different mouse models in the study of OC and their suitability for cancer research.


Tumor Biology ◽  
2017 ◽  
Vol 39 (3) ◽  
pp. 101042831769593 ◽  
Author(s):  
Viktoria-Varvara Palla ◽  
Georgios Karaolanis ◽  
Ioannis Katafigiotis ◽  
Ioannis Anastasiou ◽  
Paul Patapis ◽  
...  

Double-strand breaks are among the first procedures taking place in cancer formation and progression as a result of endogenic and exogenic factors. The histone variant H2AX undergoes phosphorylation at serine 139 due to double-strand breaks, and the gamma-H2AX is formatted as a result of genomic instability. The detection of gamma-H2AX can potentially serve as a biomarker for transformation of normal tissue to premalignant and consequently to malignant tissues. gamma-H2AX has already been investigated in a variety of cancer types, including breast, lung, colon, cervix, and ovary cancers. The prognostic value of gamma-H2AX is indicated in certain cancer types, such as breast or endometrial cancer, but further investigation is needed to establish gamma-H2AX as a prognostic marker. This review outlines the role of gamma-H2AX in cell cycle, and its formation as a result of DNA damage. We investigate the role of gamma-H2AX formation in several cancer types and its correlation with other prognostic factors, and we try to find out whether it fulfills the requirements for its establishment as a classical cancer prognostic factor.


2012 ◽  
Vol 127 (2) ◽  
pp. 338-344 ◽  
Author(s):  
Takako Eto ◽  
Toshiaki Saito ◽  
Takahiro Kasamatsu ◽  
Toru Nakanishi ◽  
Harushige Yokota ◽  
...  

Author(s):  
Ferdousi Begum ◽  
Setara B Kasem ◽  
Shaikh A Razzaque ◽  
Raisa Adiba ◽  
Selma Anika

ABSTRACT Introduction Cervical cancer is the second most common cancer in women worldwide, and it is the principal cancer of women in most developing countries, where 80% of cases occur. This disease is preventable by screening and treatment of preinvasive condition. All sexually active women are at risk of acquiring a human papillomavirus (HPV) infection that may lead to cervical cancer in the future. Cervical cancer is a preventable disease as the different screening, diagnostic, and therapeutic procedures are effective. The screening procedures are visual inspection of cervix with acetic acid (VIA), Pap smear, colposcopy, and HPV deoxyribonucleic acid test. Among them, colposcopy is effective in screening, taking colposcopy-directed biopsy as well as treatment of cervical intraepithelial neoplasia (CIN), such as cold coagulation, cryotherapy, and loop electro-surgical excision procedure. Hence, there is an obvious need to subject the women with VIA-positive report to colposcopy and directed biopsy. This study is done to evaluate the role of colposcopy in evaluation of VIA-positive cases. Objective Colposcopic evaluation of VIA-positive cases and detection of precancerous lesion of cervix for early management. Materials and methods This was a cross-sectional study done among married female patient aged 22 to 65 years, who had VIA-positive report, and attending the colposcopy clinic in the Department of Obstetrics and Gynecology of Sir Salimullah Medical College and Mitford Hospital from January 2014 to December 2016. Colposcopy-directed punch biopsy was taken from the abnormal colposcopic appearance and specimen sent for histopathological examination. Results Out of 97 cases, all had VIA-positive acetowhite areas. But colposcopy revealed that 76.29% had CIN and invasive lesions, while 23.71% had either normal or inflammatory lesions. Colposcopy-directed punch biopsy revealed that 59.79% cases had positive lesions like CIN or invasive carcinoma and 40.21% had neither CIN nor invasive lesions. Among positive lesions, about 34.02% had CIN I, 3.09% had CIN II, 0% had CIN III, and 22.68% had invasive carcinoma. In this study, sensitivity and specificity of colposcopy examination were found 94.83 and 51.28% respectively. Conclusion Cervical cancer presents as major cause of morbidity and mortality, especially in developing countries like Bangladesh. In developing countries, the various screening programs are implemented for its early detection and treatment. It is evident that colposcopy plays a very important role in early diagnosis and treatment of preinvasive and early invasive carcinoma of cervix. So wide use of colposcopy in screening program of Bangladesh can reduce many young women's morbidity and mortality. How to cite this article Kasem SB, Razzaque SA, Adiba R, Anika S, Begum F. Role of Colposcopy in the Evaluation of Visual Inspection of Cervix with Acetic Acid-positive Cases of Unhealthy Cervix. J South Asian Feder Menopause Soc 2017;5(2):102-106.


2018 ◽  
Vol 25 (12) ◽  
pp. R663-R685 ◽  
Author(s):  
Mona Alharbi ◽  
Felipe Zuñiga ◽  
Omar Elfeky ◽  
Dominic Guanzon ◽  
Andrew Lai ◽  
...  

Chemoresistance is one of the major obstacles in the treatment of cancer patients. It poses a fundamental challenge to the effectiveness of chemotherapy and is often linked to relapse in patients. Chemoresistant cells can be identified in different types of cancers; however, ovarian cancer has one of the highest rates of chemoresistance-related relapse (50% of patients within 5 years). Resistance in cells can either develop through prolonged cycles of treatment or through intrinsic pathways. Mechanistically, the problem of drug resistance is complex mainly because numerous factors are involved, such as overexpression of drug efflux pumps, drug inactivation, DNA repair mechanisms and alterations to and/or mutations in the drug target. Additionally, there is strong evidence that circulating miRNAs participate in the development of chemoresistance. Recently, miRNAs have been identified in exosomes, where they are encapsulated and hence protected from degradation. These miRNAs within exosomes (exo-miRNAs) can regulate the gene expression of target cells both locally and systemically. Exo-miRNAs play an important role in disease progression and can potentially facilitate chemoresistance in cancer cells. In addition, and from a diagnostic perspective, exo-miRNAs profiles may contribute to the development of predictive models to identify responder and non-responder chemotherapy. Such model may also be used for monitoring treatment response and disease progression. Exo-miRNAs may ultimately serve as both a predictive biomarker for cancer response to therapy and as a prognostic marker for the development of chemotherapy resistance. Therefore, this review examines the potential role of exo-miRNAs in chemotherapy in ovarian cancer.


2019 ◽  
Vol 2019 ◽  
pp. 1-9 ◽  
Author(s):  
Xiaoqun Ma ◽  
Thangavel Lakshmipriya ◽  
Subash C. B. Gopinath

Cancer is the uncontrollable abnormal division of cell growth, caused due to the varied reasons. Cancer can be expressed in any part of the body, and it is one of the death-causing diseases. Human reproductive organs are commonly damaged by cancer. In particular, the women reproductive system is affected by various cancers including ovarian, cervical, endometrial, vaginal, fallopian tube, and vulvar cancers. Identifying these cancers at earlier stages prevents the damage to the organs. Aptamer is the potential probe that can identify these cancers. Aptamer is an artificial antibody selected from the randomized library of molecules and has a high binding affinity to the target biomarker. Targeting cancers in the reproductive organs using aptamers showed an excellent efficiency of detection compared to other probes. Different aptamers have been generated against the gynaecological cancer biomarkers, which include HE4, CA125, VEGF, OCCA (for ovarian cancer), EGFR, FGFR1, K-ras (for endometrial cancer), HPV E-16, HPV E-7, HPV E-6, tyrosine, and kinase (for cervical cancer), which help to identify the cancers in woman reproductive organs. In this overview, the biomarkers for gynecologic cancers and the relevant diagnosing systems generated using the specific aptamers are discussed. Furthermore, the therapeutic applications of aptamer with gynaecological cancers are narrated.


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