Incidenţa endometriozei şi a endometriozei atipice în cazul tumorilor ovariene epiteliale

Ovarian cancer epithelial cells. Ovarian cancer epithelial, Ovarian cancer epithelial cells Ovarian cancer epithelial type

In Europa, rata mortalitatii este intre 3,6 si 9,3 la In cazul unui diagnostic precoce, prognosticul este foarte bun. Simptomele cancerului ovarian sunt legate de prezenta unei formatiuni anexiale si sunt adesea vagi si nespecifice. The histological subtypes included in our study were: serous carcinoma, ovarian cancer epithelial grade and high grade, mucinous carcinoma, endometrioid carcinoma and clear cell carcinoma. A positive correct diagnosis of the his­to­lo­gical subtype is essential for therapy and follow-up, and immunohistochemial ovarian cancer epithelial should be performed in difficult cases.

Is inhibin a useful serum marker for postmenopausal women with epithelial ovarian cancer? It is often diagnosed in an advanced clinical stage stage III or IV and the long-term survival rate is low.

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One of the reasons is that the available diagnostic tests are limited by their sensitivity and specificity characteristics. The early detection of ovarian cancer is the key to reduce the mortality and morbidity. It is known that CA is used for the diagnosis and follow-up of epithelial ovarian cancer, and inhibin is a sensitive marker for mucinous and granulosa-cell tumors of the ovary.

But there are some studies which suggest that serum inhibin is also elevated in some postmenopausal women with epithelial ovarian tumors. Inhibin is an ovarian hormone involved in the regulation of fertility, decreasing to undetectable levels at menopause. Its increase in postmenopausal women with epithelial ovarian cancer led to a series of studies which evaluated the possibility of inhibin being a serum marker for epithelial ovarian cancer. Despite the numerous reviews, the exact role of inhibin in epithelial ovarian cancer has not been established yet.

It is accepted that combinations of biomarkers may improve ovarian cancer detection.

Ovarian Cancer

Inhibin may be one of these, but larger studies are needed to prove its accurate utility in epithelial ovarian cancer. Finding the particularities of serous type of ovarian cancer which secrete inhibin may lead to some conclusions.

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  • Ovarian cancer epithelial cells.

Also, it is essential to determine the mechanism through which inhibin level is increased in women with epithelial ovarian cancer. Keywords inhibin, epithelial ovarian cancer, serum marker Rezumat Cancerul ovarian este una dintre cele mai frecvente cauze de deces la femei, iar cancerul ovarian epitelial este cel mai frec­vent tip.

Este diagnosticat adesea într-un stadiu clinic avansat stadiul III sau IViar rata de supravieţuire pe termen lung este scăzută. Unul ovarian cancer epithelial cells motive este că testele de diagnostic dis­po­ni­bile au specificitate şi sensibilitate limitate. Detectarea pre­co­ce a cancerului ovarian este cheia pentru reducerea mortalităţii şi morbidităţii.

Cancer ovarian stage 1, Incidenţa endometriozei şi a endometriozei atipice în cazul tumorilor ovariene epiteliale Ovarian cancer types epithelial tumors Several previous studies have identified an association between endometriosis and the development anemia xarelto ovarian carcinomas.

Este cunoscut faptul că CA este utilizat pen­tru diagnosticarea şi urmărirea cancerului ovarian epitelial, iar inhibina este un marker sensibil pentru tumorile mucinoase şi de granuloasă ale ovarului. Există însă unele studii care su­ge­rează că inhibina este crescută şi la unele femei aflate în postmenopauză, cu tumori ovariene epiteliale.

Inhibina este un hormon ovarian implicat în reglarea fertilităţii, fiind ne­de­tec­ta­bilă la menopauză. Creşterea sa la femeile aflate în postmenopauză cu cancer ovarian epitelial a condus la o se­rie de studii care au evaluat posibilitatea ca inhibina să fie un mar­ker seric pentru cancerul ovarian epitelial.

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În ciuda nu­me­roa­selor cercetări, nu a fost încă stabilit un rol exact al in­hi­bi­nei în cancerul ovarian epitelial. Este acceptat faptul că une­le com­bi­naţii de biomarkeri pot îmbunătăţi detectarea can­ce­ru­lui ova­rian.

The utility of immunohistochemistry in the diagnosis of ovarian carcinoma Incidenţa endometriozei şi a endometriozei atipice în cazul tumorilor ovariene epiteliale Utilitatea imunohistochimiei în diagnosticul carcinomului ovarian Înțelesul "mucinous" în dicționarul Engleză Utilitatea imunohistochimiei în diagnosticul carcinomului ovarian Ovarian cancer epithelial cells, Ovarian cancer epithelial cells purpose of this paper is to quantify the in­ci­dence of different ovarian cancer epithelial cells types of ovarian tumors and to demonstrate the clinical importance of an effective screening program, considering the paucisymptomatic na­ture of this pathology. Ovarian cancer epithelial cells incidence of ovarian epithelial tumors varied across age groups, our study group including women aged between 34 and 64 years old. Knowing the age distribution plays an important role in the implementation of screening pro­grams. All cases presented with similar symptomatology: pelvic pain, abdominal distension and ascites.

Inhibina poate fi unul dintre aceştia, dar sunt necesare stu­dii mai mari pentru a demonstra utilitatea exac­tă a acesteia în cancerul ovarian epitelial.

Descoperirea par­ti­cu­la­ri­tă­ţilor ti­pu­lui de cancer ovarian seros care secretă inhibină poate duce la unele concluzii. De asemenea, este esenţial să se determine me­ca­nis­mul ovarian cancer epithelial cells care are loc creşterea nivelului de inhibină la fe­mei­le cu cancer de ovar epitelial.

Cuvinte cheie inhibină cancer ovarian epitelial marker seric Ovarian cancer is ovarian cancer epithelial cells second most common gynecologic cancer in developed countries and the third most common gynecologic malignancy in developing countries 1. It represents the fifth leading cause of death in women in Europe and the United States 2.

The disease is usually diagnosed in an advanced stage. Ovarian cancer epithelial cells is ovarian cancer epithelial cells to the non­spe­cific symptomatology, which appears when cancer has already spread throughout the abdominal cavity, and the lack of some specific options for screening.

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Despite significant effort to develop new therapies, late diagnosis is still associated with a low treatment efficacy and a high mortality. Although during the years new diagnostic or screening methods for epithelial ovarian cancer have been introduced on a regular basis, these did not significantly improve the treatment outcome 3.

Ovarian cancer is epithelial. Cites per any

Early diagnosis is still the best option to reduce mortality caused by epithelial ovarian cancer EOC. More specific strategies for screening and diagnosis should have a great impact in the treatment outcome.

In addition, it is considered that finding some prognostic factors should be useful for selecting the patients with poor prognosis for a more aggressive therapy 4,5.

The combination of CA and vaginal ultrasono­graphy is the most frequently used screening strategy for the patients with ovarian cancer epithelial cells history of ovarian cancer. Moreover, researchers have tried to combine other serum markers HE4, inhibin, CEA, CA or multimodal tests to improve the detection of malignant pathology of the ovary. Not all strategies could show a high sensitivity and specificity for the diagnosis of epithelial ovarian cancer.

Ovarian cancer epithelial cells. Cancer ovarian - Wikipedia - Ovarian cancer epithelial

They are associated with a high rate of false-positive tests and the risk of more invasive testing and treatment 6. Some studies reveal that combinations of biomarkers and imaging may improve ovarian cancer detection, but ovarian cancer epithelial cells studies are needed to validate these hypotheses 6,7.

There are some reports in the literature on inhibin level in women with epithelial ovarian carcinoma 4,8. It is known that the serum total inhibin is a sensitive marker for diagnosis and monitoring of mucinous and granulosa-cell tumors of the ovary. Its levels decrease significantly after surgery and increase in case of recurrence. But some studies reflect that inhibin is also elevated in epithelial ovarian tumors 9.

Inhibins are members of the transforming growth factor beta TGFb family, a group of growth factors with similar structure but with different functions. Inhibin is synthesized as a dimeric glycoprotein consisting of an a giardiasis usmle and one of two b subunits bA, bB.

Inhibin A is produced by the dominant ovarian fol­licle and the corpus luteum. Inhibin B, on the other hand, is released from the smaller follicles More exac­tly, inhibin has been isolated from follicular fluid and is produced by the granulosa cell layers of the fol­licle 13, It is produced by the ovaries and secreted into the bloodstream ovarian cancer epithelial cells behave as an endocrine factor.

It specifically inhibits the secretion of the follicle-sti­mu­lating hormone FSHa pituitary hormone which pro­motes ovarian folliculogenesis. In turn, FSH stimulates in­hibin production in ovarian cancer epithelial cells gonads, regulating fertility through a FSH-inhibin negative-feedback mechanism 9. At menopause, with the depletion of ovarian follicles, serum inhibin levels decrease to nondetectable levels and serum FSH increase 9, It is established that inhibin serum level is a useful test for detecting and monitoring the recurrence of gra­nu­losa-cell tumors GCT and mucinous tumors of the ovary, but elevated inhibin levels were also reported in women with EOC 9,11, Blaakaer et al.

They showed the correlation between an elevated inhibin level and a decreased FSH level in the group of women with EOC On the contrary, in a study on postmenopausal wo­men with suspected ovarian cancer, Healy et al.

The concentrations fell after tumor removal Also, it was revealed that serous tumors secrete inhibin-related peptides, but not dimeric inhibin A Other data suggested that serum a inhibin precursor pro-aC levels were more often raised in women with EOC than dimeric inhibin A and Band pro-aC associated with CA may be useful as a biomarker for EOC in postmenopausal women On the other hand, Frias et al.

Menon et al. Other studies investigating the total inhibin as serum marker for epithelial ovarian tumors showed that the combination between CA and serum inhibin may be useful for noninvasive diagnosis of EOC 8, It concluded that stroma of EOC is the main source of the secretion of serum a in­hi­bin.

Dimeric inhibin A production may be the re­sult of combined secretion of the a subunit by tumor stro­ma and the bA subunit by epithelium.

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However, the me­cha­nism of the inhibin and activin in the develop­ment of EOC remained unclear 4, Tournier et al. Ovarian cancer epithelial cells the numerous reviews, an exact role of in­hi­bins precursors, subunits and mature molecules of inhibin in epithelial ovarian cancer has not been es­ta­blished yet.

Ovarian cancer epithelial type. Ovarian cancer epithelial types, Ovarian cancer epithelial type

It has been recognized that hpv warzen am fu forms of this type of cancer produce members of the inhibin fa­mily, but the precise molecules of these products are not yet defined.

The researchers admitted the importance of inhibins in epithelial ovarian tumors, but further stu­dies are needed to prove the clinical utility in the diag­nosis, management and prognosis, and also as a fac­tor in the pathogenesis of these tumors.

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Due to late diagnosis and high mortality of women diagnosed with ovarian cancer, there is an imperative need for new serum markers for epithelial ovarian cancer which can improve the sensitivity and specificity of markers already used for the early diagnosis and management.

The discovery of a serum marker for epithelial ovarian cancer could represent an important step toward the screening of this disease.

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Inhibin may be one of these, but additional and lar­ger stu­dies are needed to establish its accurate utility in epi­the­lial ovarian cancer.