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https://www.readbyqxmd.com/read/28590345/two-cases-of-epithelioid-trophoblastic-tumors-in-postmenopausal-women
#1
Adriano Rodríguez-Trujillo, María José Martínez-Serrano, Adela Saco, Aureli Torné
OBJECTIVE: Epithelioid trophoblastic tumor is a rare gestational trophoblastic neoplasm usually presenting in women of reproductive age, with a history of a prior gestational event. Its presentation in postmenopausal women is extremely rare. Immunohistochemical staining is a helpful aid to distinguish epithelioid trophoblastic tumor from other gestational trophoblastic neoplasms. Correct diagnosis is crucial for clinical management that can vary according to the type of gestational trophoblastic neoplasm...
June 5, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28571791/unus-pro-omnibus-omnes-pro-uno-a-novel-evidence-based-unifying-theory-for-the-pathogenesis-of-endometriosis
#2
Antonio Simone Laganà, Salvatore Giovanni Vitale, Francesca Maria Salmeri, Onofrio Triolo, Helena Ban Frangež, Eda Vrtačnik-Bokal, Lily Stojanovska, Vasso Apostolopoulos, Roberta Granese, Vincenza Sofo
The theory of retrograde menstruation as aetiopathogenesis of endometriosis formulated by John Sampson in 1927 shows clear shortcomings: this does not explain why retrograde menstruation is a physiological process that affects 90% of women, while endometriosis occurs in only 10% of cases; it also does not explain the endometriotic foci distant from the pelvis, nor explains the cases of endometriosis in male patients. The immunological alterations of the peritoneal fluid explains the effects of disease, such as the inhibition of the physiological processes of cytolysis, but does not explain the cause...
June 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28554747/architectural-overlap-between-benign-endocervix-and-pattern-a-endocervical-adenocarcinoma-are-all-pattern-a-tumors-invasive
#3
Gregory Douglas, Brooke E Howitt, John K Schoolmeester, Lauren Schwartz, Zuzana Kos, Shahidul Islam, Bojana Djordjevic, Carlos Parra-Herran
Studies on the pattern-based classification for invasive endocervical adenocarcinoma showed that tumors with nondestructive invasion (pattern-A) have a 0% rate of nodal metastases. Our understanding of pattern-A tumors and their distinction from in-situ adenocarcinoma requires further study. Thirteen sections diagnosed independently as pattern-A adenocarcinoma by three gynecologic pathologists, and 14 sections of benign endocervix were selected. Three additional pathologists (reviewers) evaluated a digital image from each section and classified it as pattern-A or benign based on architecture only...
March 8, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28449203/two-cases-of-adenocarcinoma-in-situ-arising-in-lobular-endocervical-glandular-hyperplasia-indicating-localization-of-mucin-on-the-cluster-surface-as-an-early-cytological-finding-of-malignant-transformation
#4
Rikiya Okuyama, Hirotsugu Hashimoto, Tamaki Miura, Masatoshi Sugita, Masakazu Arai, Hajime Tsunoda, Yuko Sasajima, Hajime Horiuchi
Lobular endocervical glandular hyperplasia (LEGH) is an endocervical glandular hyperplastic lesion containing pyloric gland-like mucin, and has recently been recognized as a precursor lesion of malignant glandular lesions of the endocervix. The pyloric gland-like mucin contained in LEGH and gastric-type adenocarcinoma is observed as golden-yellowish by Papanicolaou staining. However, to our knowledge, the chronological course of the endocervical cytology of LEGH, eventually resulting in malignancy, has never been demonstrated to date...
April 27, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28427752/spontaneously-arising-tumours-and-tumour-like-lesions-of-the-cervix-and-uterus-in-83-pet-guinea-pigs-cavia-porcellus
#5
C Laik-Schandelmaier, R Klopfleisch, S Schöniger, G Weiffenbach, M Staudacher, H Aupperle
Tumours and tumour-like lesions are rare findings in the genital system of guinea pigs. The aim of the present study was to characterize nodular lesions in the cervix and uterus of guinea pigs submitted for histopathological diagnosis. Samples from 83 pet animals were investigated. Cases included 64 surgically excised masses including complete uteri (n = 37), parts from uteri containing masses (n = 8), complete masses (n = 12) or samples from masses (n = 7) and 19 complete necropsy examinations. In 55 of the cases, only solitary changes were observed; in 28 cases two or more lesions were diagnosed...
April 17, 2017: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/28406994/neisseria-gonorrhoeae-infects-the-human-endocervix-by-activating-non-muscle-myosin-ii-mediated-epithelial-exfoliation
#6
Liang-Chun Wang, Qian Yu, Vonetta Edwards, Brian Lin, Jessica Qiu, Jerrold R Turner, Daniel C Stein, Wenxia Song
Colonization and disruption of the epithelium is a major infection mechanism of mucosal pathogens. The epithelium counteracts infection by exfoliating damaged cells while maintaining the mucosal barrier function. The sexually transmitted bacterium Neisseria gonorrhoeae (GC) infects the female reproductive tract primarily from the endocervix, causing gonorrhea. However, the mechanism by which GC overcome the mucosal barrier remains elusive. Using a new human tissue model, we demonstrate that GC can penetrate into the human endocervix by inducing the exfoliation of columnar epithelial cells...
April 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28394551/mesonephric-adenocarcinoma-of-endocervix-with-lobular-mesonephric-hyperplasia-case-report
#7
Mario Puljiz, Damir Danolić, Lucija Kostić, Ilija Alvir, Darko Tomica, Ivica Mamić, Ivana Vlastelica Munivrana, Marko Puljiz, Danko Velimir Vrdoljak, Melita Perić Balja
Mesonephric adenocarcinoma is a rare variant of cervical adenocarcinoma. We present a case of mesonephric adenocarcinoma of endocervix with cervical and vaginal lobular mesonephric hyperplasia in a 57-year-old woman. Vaginal bleeding persisting for 12 months was the only symptom. Histopathologic findings and characteristic immunophenotype are crucial for the diagnosis. The tumor was composed of papillary formation with a central fi brovascular stroma, villoglandular and densely compact tubular structures containing intraluminal eosinophilic secretion, and coated with one or more rows of cylindrical atypical epithelial cells...
June 2016: Acta Clinica Croatica
https://www.readbyqxmd.com/read/28368028/tenofovir-inhibits-wound-healing-of-epithelial-cells-and-fibroblasts-from-the-upper-and-lower-human-female-reproductive-tract
#8
Marta Rodriguez-Garcia, Mickey V Patel, Zheng Shen, Jack Bodwell, Richard M Rossoll, Charles R Wira
Disruption of the epithelium in the female reproductive tract (FRT) is hypothesized to increase HIV infection risk by interfering with barrier protection and facilitating HIV-target cell recruitment. Here we determined whether Tenofovir (TFV), used vaginally in HIV prevention trials, and Tenofovir alafenamide (TAF), an improved prodrug of TFV, interfere with wound healing in the human FRT. TFV treatment of primary epithelial cells and fibroblasts from the endometrium (EM), endocervix (CX) and ectocervix (ECX) significantly delayed wound closure...
April 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28367302/the-frequency-of-staphylococcus-aureus-isolated-from-endocervix-of-infertile-women-in-northwest-iran
#9
Mohammad Taghi Akhi, Aylin Esmailkhani, Javid Sadeghi, Behrooz Niknafs, Laya Farzadi, Aydin Akhi, Elmira Najafi Nasab
BACKGROUND: Infertility is one of the major social issues. Due to the asymptomatic cervical infection associated with Staphylococcus aureus (S. aureus), the majority of patients remain undiagnosed. The present study intended to assess the frequency of S. aureus isolated from infertile women's endocervix in northwest Iran. MATERIALS AND METHODS: In a descriptive cross sectional study, specimens were randomly collected during vagina examination using a sterile speculum and swabbing...
April 2017: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/28116194/endocervical-carcinogenesis-and-hpv-vaccination-an-occasional-circumstance-or-a-gap-in-the-chain
#10
Georgios-Marios Makris, Petros Karakitsos, Eugenia Kotsifa, Niki Margari, Nikiforita Poulakaki, Theodoros N Sergentanis, Marco-Johannes Battista, Charalampos Chrelias, Nicolaos Papantoniou
As a result of the Human Papillomavirus (HPV) vaccination program, the prevalence of precancerous dysplasia and invasive cervical cancer has substantially decreased. In this brief report, we present a case of a young patient who was diagnosed with in situ adenocarcinoma of the cervix. This 30-year-old female had completed the HPV vaccination after she became sexually active and has been undergoing annual gynecological assessments, including clinical examination and Pap test, all of which had been negative. This year, her Pap test revealed a low grade squamous intraepithelial lesion (LGSIL) and additionally a colposcopy was performed...
2017: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28086915/comparative-study-in-infertile-couples-with-and-without-chlamydia-trachomatis-genital-infection
#11
Yuanchang Zhu, Biao Yin, Tonghua Wu, Lijun Ye, Chunmei Chen, Yong Zeng, Yaou Zhang
BACKGROUND: Chlamydia, caused by the bacterium Chlamydia trachomatis(C. trachomatis), is the most common sexually transmitted disease. The incidence is not clear due to the asymptomatic nature of early stage of infections. The incidence of Chlamydia has not been fully investigated in the Chinese Han population. Since chronic infection with can C. trachomatis can lead to infertility in males and females, it is important to determine the impact of infection on clinical outcomes. The aim of this study is to explore the epidemiology of C...
January 13, 2017: Reproductive Health
https://www.readbyqxmd.com/read/28051087/effects-of-depot-medroxyprogesterone-acetate-on-the-immune-microenvironment-of-the-human-cervix-and-endometrium-implications-for-hiv-susceptibility
#12
K K Smith-McCune, J F Hilton, U Shanmugasundaram, J W Critchfield, R M Greenblatt, D Seidman, S Averbach, L C Giudice, B L Shacklett
Depot-medroxyprogesterone acetate is a commonly used injectable contraceptive that has been associated with an increased risk of HIV acquisition. This study compares effects of depot-medroxyprogesterone acetate on immune parameters from several upper reproductive tract compartments relevant to HIV-1 susceptibility in repetitive samples from 15 depot-medroxyprogesterone acetate users and 27 women not on hormonal contraceptives. Compared with samples from unexposed women in the mid-luteal phase, depot-medroxyprogesterone acetate use was associated with: increased endocervical concentrations of MCP1 and IFNalpha2; decreased endocervical concentrations of IL1beta and IL6; increased proportions of endometrial CD4+ and CD8+ cells expressing the activation marker HLADR; increased density of endometrial macrophages; and decreased density of endometrial regulatory T cells...
January 4, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/27833981/m%C3%A3-llerianosis-of-the-urinary-bladder-a-rare-case-report-and-review-of-the-literature
#13
REVIEW
Marius Stanimir, LuminiŢa Cristina ChiuŢu, Sébastien Wese, Amelia Milulescu, Răducu Nicolae Nemeş, Ovidiu Gabriel Bratu
The aim of this paper is to report a very rare case of müllerianosis (endosalpinx, endometrium, and endocervix) in a post-menopausal woman. Müllerianosis of the bladder is a very rare disease, which affects mainly the women of the reproductive age group, but with a good prognosis if the transitional bladder carcinoma is resolved. We present the case of a 64-year-old woman complaining of left lower abdomen pain, repeated lower and upper tract urinary infections, emergency urinary incontinence and hematuria...
2016: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/27815422/mucosal-and-systemic-%C3%AE-%C3%AE-t-cells-associated-with-control-of-simian-immunodeficiency-virus-infection
#14
Iskra Tuero, David Venzon, Marjorie Robert-Guroff
γδ T cells act as a first line of defense against invading pathogens. However, despite their abundance in mucosal tissue, little information is available about their functionality in this compartment in the context of HIV/SIV infection. In this study, we evaluated the frequency, phenotype, and functionality of Vδ1 and Vδ2 T cells from blood, rectum, and the female reproductive tract (FRT) of rhesus macaques to determine whether these cells contribute to control of SIV infection. No alteration in the peripheral Vδ1/Vδ2 ratio in SIV-infected macaques was observed...
December 15, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27801764/tissue-based-immunohistochemical-biomarker-accuracy-in-the-diagnosis-of-malignant-glandular-lesions-of-the-uterine-cervix-a-systematic-review-of-the-literature-and-meta-analysis
#15
Sandra Lee, Marianne S Rose, Vikrant V Sahasrabuddhe, Rachel Zhao, Máire A Duggan
Immunohistochemistry is widely used to support a pathology diagnosis of cervical adenocarcinoma despite the absence of a systematic review and meta-analysis of the published data. This systematic review and meta-analysis was performed to investigate the sensitivity and specificity of immunohistochemistry biomarkers in the tissue-based diagnosis of cervical adenocarcinoma histotypes compared with normal endocervix and benign glandular lesions. The systematic review and meta-analysis used a PICOT framework and QUADAS-2 to evaluate the quality of included studies...
July 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/27547239/variability-of-high-risk-hpv-genotypes-among-hiv-infected-women-in-mwanza-tanzania-the-need-for-evaluation-of-current-vaccine-effectiveness-in-developing-countries
#16
Fridolin Mujuni, Mariam M Mirambo, Peter Rambau, Korn Klaus, Muller Andreas, Dismas Matovelo, Mtebe Majigo, Christa Kasang, Stephen E Mshana
BACKGROUND: High risk (HR) human papilloma Virus (HPV) genotypes have been associated with cervical cancer. In Tanzania there is a limited data on the epidemiology of HPV and genotypes distribution among HIV infected women. Here we document varieties of HPV genotypes associated with cervical squamous intraepithelial lesions (SIL) among HIV- infected women at Bugando Medical Centre, Mwanza-Tanzania. METHODS: A cross sectional hospital based study involving HIV infected women was conducted between August and October, 2014...
2016: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/27453435/expression-regulation-and-function-of-drug-transporters-in-cervicovaginal-tissues-of-a-mouse-model-used-for-microbicide-testing
#17
COMPARATIVE STUDY
Tian Zhou, Minlu Hu, Andrew Pearlman, Lisa C Rohan
P-glycoprotein (P-gp), breast cancer resistance protein (BCRP), and multidrug resistance protein 4 (MRP4) are three efflux transporters that play key roles in the pharmacokinetics of antiretroviral drugs used in the pre-exposure prophylaxis of HIV sexual transmission. In this study, we investigated the expression, regulation, and function of these transporters in cervicovaginal tissues of a mouse model. Expression and regulation were examined using real-time RT-PCR and immunohistochemical staining, in the mouse tissues harvested at estrus and diestrus stages under natural cycling or after hormone synchronization...
September 15, 2016: Biochemical Pharmacology
https://www.readbyqxmd.com/read/27401588/effects-of-the-levonorgestrel-releasing-intrauterine-device-on-the-immune-microenvironment-of-the-human-cervix-and%C3%A2-endometrium
#18
Uma Shanmugasundaram, Joan F Hilton, J William Critchfield, Ruth M Greenblatt, Linda C Giudice, Sarah Averbach, Dominika Seidman, Barbara L Shacklett, Karen Smith-McCune
PROBLEM: There is little information regarding the impact of the intrauterine device on immune parameters of the upper female reproductive tract related to risk of HIV acquisition. METHOD OF STUDY: We collected cervical and endometrial samples from women using the hormonal intrauterine device to study its effects on endocervical cytokines/chemokine concentrations, phenotypic markers of T cells, responses of endometrial T cells to activation, and alterations of endometrial cellular infiltrates...
August 2016: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/27334141/gastric-type-adenocarcinoma-in-situ-of-uterine-cervix-cytological-and-histopathological-features-of-two-cases
#19
Chang-Tsu Yuan, Ming-Chieh Lin, Kuang-Ting Kuo, Tsung-Hsi Wang, Tsui-Lien Mao
Benign, premalignant, and malignant endocervical glandular lesions occasionally show a gastric phenotype. We report 2 cases of gastric-type adenocarcinoma in situ (AIS) of the endocervix, not associated with lobular endocervical glandular hyperplasia or gastric-type adenocarcinoma. Cytologically, both showed endocervical glands with slightly enlarged nuclei, distinctive nucleoli, pseudostratified strips, and intracytoplasmic golden yellow mucin. Histologically, both lesions were situated in preexisting endocervical glands and presented columnar cells with voluminous pale eosinophilic cytoplasm and evident nuclear atypia...
September 2016: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/27321759/menopausal-status-influences-the-expression-of-programmed-death-pd-1-and-its-ligand-pd-l1-on-immune-cells-from-the-human-female-reproductive-tract
#20
Zheng Shen, Marta Rodriguez-Garcia, Mickey V Patel, Fiona D Barr, Charles R Wira
PROBLEM: The programmed death 1 (PD-1)/PD-L1 pathway regulates peripheral tolerance, immune responses, and is up-regulated in chronic viral infections, including HIV infection. However, expression of PD-1/PD-L1 on immune cells from the human female reproductive tract (FRT) and possible regulation by menopause and sex hormones are poorly understood. METHOD OF STUDY: PD-1/PD-L1 expression was analyzed on CD4(+) and CD8(+) T cells, CD163(+) macrophages, and CD11c(+) dendritic cells (DC) from endometrium (EM), endocervix (CX) and ectocervix (ECX)...
August 2016: American Journal of Reproductive Immunology: AJRI
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