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Carcinoma cervix

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https://www.readbyqxmd.com/read/29683881/gastric-type-adenocarcinoma-of-the-uterine-cervix-magnetic-resonance-imaging-features-clinical-outcomes-and-prognostic-factors
#1
Kye Jin Park, Mi-Hyun Kim, Jeong Kon Kim, Kyoung-Sik Cho
OBJECTIVE: Gastric-type mucinous adenocarcinoma (GAS) of uterine cervix has been suggested as distinct clinicopathologic behavior. Our study aimed to investigate the distinguishing imaging features and clinical outcomes of GAS. METHODS: Fifteen cases of GAS and 45 cases of 3:1 age-matched usual-type endocervical carcinoma (UEA) were assessed. Clinical parameters (age, tumor size, clinical stage, and time to recurrence [TTR] or death) and pathologic results confirmed by surgery were recorded...
April 21, 2018: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/29666690/small-cell-neuroendocrine-carcinoma-of-the-cervix-masquerading-as-a-cervical-fibroid-report-of-a-rare-entity
#2
Mukta Pujani, Kanika Singh, Varsha Chauhan, Raina Chawla, Rashmi Ahuja
Primary neuroendocrine tumours of the cervix are extremely rare, with an incidence of only 0.5-1%; as such, these entities can present a clinical and diagnostic challenge. Small-cell neuroendocrine carcinomas of the cervix are highly aggressive tumours that have a tendency to metastasise. We report a 44-year-old woman who presented to the Gynaecology Clinic of the Employees State Insurance Corporation Medical College & Hospital, Faridabad, India, in 2016 with menorrhagia . Based on a clinical examination, she was provisionally diagnosed with a cervical fibroid...
February 2018: Sultan Qaboos University Medical Journal
https://www.readbyqxmd.com/read/29665393/comparative-experimental-theoretical-studies-on-the-egfr-dimerization-under-the-effect-of-egf-egf-analogues-binding-highlighting-the-importance-of-egf-egfr-interactions-at-site-iii-interface
#3
Masomeh Mehrabi, Hamid Mahdiuni, Hassan Rasouli, Kamran Mansouri, Mohsen Shahlaie, Reza Khodarahmi
Epidermal growth factor receptors (EGFRs) and their cytoplasmic tyrosine kinases play significant roles in cell proliferation and signaling. All the members of the EGFR/ErbB family are primary goals for cancer therapy, particularly for tumors of breast, cervix, ovaries, kidney, esophagus, prostate and non-small-cell lung carcinoma and head and neck tumors. However, the therapeutic ability of accessible anti-ErbB agents is limited. Therefore, recognizing EGF analogues or small organic molecules with high affinity for the extracellular domain of the EGFR is a critical target on cancer research...
April 14, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29665323/introducing-a-novel-highly-prognostic-grading-scheme-based-on-tumour-budding-and-cell-nest-size-for-squamous-cell-carcinoma-of-the-uterine-cervix
#4
Moritz Jesinghaus, Johanna Strehl, Melanie Boxberg, Frido Brühl, Adrian Wenzel, Björn Konukiewitz, Anna M Schlitter, Katja Steiger, Arne Warth, Andreas Schnelzer, Marion Kiechle, Matthias W Beckmann, Aurelia Noske, Arndt Hartmann, Grit Mehlhorn, Martin C Koch, Wilko Weichert
A novel histopathological grading system based on tumour budding and cell nest size has recently been shown to outperform conventional (WHO-based) grading algorithms in several tumour entities such as lung, oral, and oesophageal squamous cell carcinoma (SCC) in terms of prognostic patient stratification. Here, we tested the prognostic value of this innovative grading approach in two completely independent cohorts of SCC of the uterine cervix. To improve morphology-based grading, we investigated tumour budding activity and cell nest size as well as several other histomorphological factors (e...
April 2018: Journal of Pathology. Clinical Research
https://www.readbyqxmd.com/read/29656585/adenocarcinoma-in-situ-admixed-with-small-cell-neuroendocrine-carcinoma-of-the-cervix-a-case-report-with-cytological-features
#5
Yukimi Nishiumi, Toshiyuki Nishimura, Ippei Kashu, Takayuki Aoki, Ryoji Itoh, Koji Tsuta, Mitsuaki Ishida
Primary cervical small cell neuroendocrine carcinoma (SCNEC) is a rare and aggressive tumor. Herein, we describe the first cytological case of adenocarcinoma in situ (AIS) admixed with SCNEC. A 65-year-old postmenopausal Japanese female presented with abnormal genital bleeding. The Papanicolaou smear of the cervix demonstrated the presence of 2 distinct neoplastic components in an inflammatory background. One component consisted of aggregates of small round cells with a high nuclear/cytoplasmic ratio and round to oval nuclei with powdery chromatin, and inconspicuous nucleoli...
April 15, 2018: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/29628630/interfraction-variations-in-organ-filling-and-their-impact-on-dosimetry-in-ct-image-based-hdr-intracavitary-brachytherapy
#6
Ramya Rangarajan
Aim: Since anatomical and geometric variations occur with every fraction, planning, and dose optimization is necessary for every fraction of high-dose rate intracavitary brachytherapy of carcinoma cervix. In this study, we have tried to quantify the differences in doses to organs at risk (OAR) for each fraction of brachytherapy. Methods and Materials: One hundred and seventy computed tomography datasets of cervical cancer patients receiving intracavitary brachytherapy at our institution between January and April 2015 were analyzed...
January 2018: Journal of Medical Physics
https://www.readbyqxmd.com/read/29627691/selective-cytotoxic-and-genotoxic-activities-of-5-2-bromo-5-methoxybenzylidene-thiazolidine-2-4-dione-against-nci-h292-human-lung-carcinoma-cells
#7
Maria do D Rodrigues, Priscila B G S Santiago, Karla M R Marques, Valéria R A Pereira, Maria C A B de Castro, Jeanne C L L Cantalice, Teresinha G da Silva, Mônica L Adam, Silene C do Nascimento, Julianna F C de Albuquerque, Gardenia C G Militao
BACKGROUND: Thiazolidine-2,4-dione ring system is used as a pharmacophore to build various heterocyclic compounds aimed to interact with biological targets. In the present study, benzylidene-2,4-thiazolidinedione derivatives (compounds 2-5) were synthesized and screened against cancer cell lines and the genotoxicity and cytotoxicity of the most active compound (5) was investigated on normal and lung cancer cell line. METHODS: For in vitro cytotoxic screening, the MTT assay was used for HL60 and K562 (leukemia), MCF-7 (breast adenocarcinoma), HT29 (colon adenocarcinoma), HEp-2 (cervix carcinoma) and NCI-H292 (lung carcinoma) tumor cell lines and Alamar-blue assay was used for non-tumor cells (PBMC, human peripheral blood mononuclear cells) were used...
November 22, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29626364/elevated-expression-of-keratin-17-in-oropharyngeal-squamous-cell-carcinoma-is-associated-with-decreased-survival
#8
Elliot Regenbogen, Michelle Mo, Jamie Romeiser, A Laurie W Shroyer, Luisa F Escobar-Hoyos, Stephanie Burke, Kenneth R Shroyer
BACKGROUND: Overexpression of keratin 17 (K17) is highly associated with poor prognosis in squamous cell carcinoma (SCC) of the cervix. This study was performed to (1) determine whether K17 may be a prognostic biomarker in head and neck squamous cell carcinoma (HNSCC) and (2) to establish if K17 expression is associated with human papillomavirus (HPV) status. METHODS: Immunohistochemical staining was performed for K17 of oral, oropharyngeal, and laryngeal SCCs, and normal oropharyngeal mucosa...
April 6, 2018: Head & Neck
https://www.readbyqxmd.com/read/29620661/the-combination-of-cisplatin-and-topotecan-as-a-second-line-treatment-for-patients-with-advanced-recurrent-uterine-cervix-cancer
#9
Ji Young Moon, Ik-Chan Song, Young Bok Ko, Hyo Jin Lee
We retrospectively reviewed outcomes of treatments with cisplatin and topotecan in patients with previously-treated uterine cervix cancer.We analyzed the medical records of patients with advanced (stage IVB) or recurrent or persistent squamous or non-squamous cell carcinoma of the cervix, who were treated with cisplatin and topotecan as a second-line chemotherapy between January 2000 and December 2015. The patients were treated with a combination of cisplatin (50 mg/m for 1 day) and topotecan (0.75 mg/m for 3 days) once every 3 weeks...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29619426/genotyping-of-human-pappilomavirus-in-cervical-precancerous-lesion-and-squamous-cell-carcinoma-at-dr-soetomo-hospital-surabaya-indonesia
#10
Gondo Mastutik, Rahmi Alia, Alphania Rahniayu, Anny Setijo Rahaju, Nila Kurniasari, Suhartono Taat Putra
Background: Cervical cancer caused by human papilloma virus (HPV), is the second most common cancer for women. This cancer is distributed worldwide, with ~80% of cases are found in the developing countries. In Indonesia, data of HPV genotypes are still limited and do not represent all regions of the country. Thus, here we report genotyping of HPV samples collected from the Dr. Soetomo Hospital Surabaya Indonesia patients, in 2013. Materials and Method: A cross sectional study was performed using 68 paraffin blocks of low-grade squamous intraepithelial lesion (LSIL), high-grade squamous intraepithelial lesion (HSIL), and squamous cell carcinoma (SCC) cervix...
2018: African Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29619053/dosimetric-analysis-of-the-effects-of-the-bladder-volume-on-organs-at-risk-oar-in-high-dose-rate-intracavitary-brachytherapy-in-carcinoma-cervix-an-institutional-study
#11
Ashutosh Das Sharma, Jyoti Poddar, U Suryanarayan K, Sonal Patel Shah, Ankita Parikh, Vimesh Mehta, Med Phys, Tarun Kumar, Med Phys
Purpose: The purpose of this study was to establish a dosimetric correlation between the bladder volume and its effects on the dose received by the organs at risk (OARs) (urinary bladder, rectum, and sigmoid) during computed tomography (CT)-guided high-dose-rate (HDR) brachytherapy in carcinoma cervix, and to determine an optimum bladder volume to limit the dose to OARs. Material and methods: Seventy-five intracavitary applications in patients of carcinoma cervix (stage IIB, IIIA, IIIB, IVA) treated with external beam radiotherapy with concurrent chemotherapy followed by CT-based HDR intracavitary brachytherapy (tandem and ovoid type) at our institute between July 2014 to January 2016 were studied...
February 2018: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/29609538/significance-of-cd133-positive-cells-in-four-novel-hpv-16-positive-cervical-cancer-derived-cell-lines-and-biopsies-of-invasive-cervical-cancer
#12
Shifa Javed, Bal Krishan Sharma, Swati Sood, Sanjeev Sharma, Rashmi Bagga, Shalmoli Bhattacharyya, Charan Singh Rayat, Lakhbir Dhaliwal, Radhika Srinivasan
BACKGROUND: Cervical cancer is a major cause of cancer-related mortality in women in the developing world. Cancer Stem cells (CSC) have been implicated in treatment resistance and metastases development; hence understanding their significance is important. METHODS: Primary culture from tissue biopsies of invasive cervical cancer and serial passaging was performed for establishing cell lines. Variable Number Tandem Repeat (VNTR) assay was performed for comparison of cell lines with their parental tissue...
April 2, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29594751/determination-of-the-activity-of-telomerase-in-cancer-cells-by-using-bsa-protected-gold-nanoclusters-as-a-fluorescent-probe
#13
Yujuan Xu, Peng Zhang, Zhen Wang, Shaoping Lv, Caifeng Ding
Gold nanoclusters (AuNCs) protected with a bovine serum albumin (BSA) coating are known to emit red fluorescence (peaking at 650 nm) on photoexcitation with ultraviolet light (365 nm). On addition of Cu(II) ions, fluorescence is quenched because Cu(II) complexes certain amino acid units in the BSA chain. Fluorescence is, however, restored if pyrophosphate (PPi) is added because it will chelate Cu(II) and remove it from the BSA coating on the AuNCs. Because PPi is involved in the function of telomerase, the BSA@AuNCs loaded with Cu(II) can act as a fluorescent probe for determination of the activity of telomerase...
February 27, 2018: Mikrochimica Acta
https://www.readbyqxmd.com/read/29587389/lynch-syndrome-related-clear-cell-carcinoma-of-the-cervix-a-case-report
#14
Kohei Nakamura, Kentaro Nakayama, Toshiko Minamoto, Tomoka Ishibashi, Kaori Ohnishi, Hitomi Yamashita, Ruriko Ono, Hiroki Sasamori, Sultana Razia, Mohammad Mahmud Hossain, Shanta Kamrunnahar, Masako Ishikawa, Noriyoshi Ishikawa, Satoru Kyo
Lynch syndrome, a hereditary cancer syndrome, occurs because of germline mutations in at least one of four DNA mismatch repair genes (MutL Homolog 1 ( MLH1 ), MutS Homolog 2 ( MSH2 ), MutS Homolog 6 ( MSH6 ), and PMS1 Homolog 2 ( PMS2 )). The disorder is associated with colorectal, endometrial, and other epithelial malignancies, but not cervical cancer. We report a woman with Lynch syndrome with synchronous cervical cancer. This is the first report of Lynch syndrome-related clear cell carcinoma of the cervix, which indicates the possibility of an association between cervical cancer and Lynch syndrome...
March 25, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29580032/comparative-evaluation-of-a-6mv-flattened-beam-and-a-flattening-filter-free-beam-for-carcinoma-of-cervix-%C3%A2-imrt-planning-study
#15
Suresh Tamilarasu, Madeswaran Saminathan, S K Sharma, Anjali Pahuja, Abhinav Dewan
Purpose: Intensity modulated radiotherapy (IMRT) plan quality, beam on time and integral dose were compared using 6MV FB (Flattened Beam) and FFFB (Flattening filter free beam) for carcinoma of cervix. Materials and Methods: Ten patients with stage II–IIIB cervix cancer (Ca.Cx) were retrospectively identified from the department database. Target volume (TV) and organ at risk (OAR) were delineated as per Radiation Therapy Oncology Group (RTOG) cancer guidelines. Dose prescribed to planning target volume (PTV) was 50...
March 27, 2018: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/29575422/differentiated-cervical-intraepithelial-neoplasia-associated-invasive-cervical-squamous-cell-carcinoma-as-a-source-of-major-cytopathological-and-surgical-pathological-discrepancy-in-papanicolaou-smear-screening-tests
#16
K T Mai
INTRODUCTION: Differentiated cervical intraepithelial neoplasia (dCIN) analogous to differentiated squamous intraepithelial neoplasia of the vulva is characterised by the proliferation of atypical cells limited to the basal/parabasal layers. Exfoliative cytology of dCIN has not been investigated. METHODS AND RESULTS: A 46-year-old woman, with a history of normal Papanicolaou (Pap) smear up to 2 years prior to the occurrence of postcoital vaginal bleeding had two consecutive Pap smears, which only revealed atypical squamous cells of unknown significance (ASCUS)...
April 2018: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/29575254/a-phase-ii-study-of-adjuvant-chemotherapy-with-paclitaxel-and-nedaplatin-for-uterine-cervical-cancer-with-lymph-node-metastasis
#17
Munetaka Takekuma, Mototsugu Shimokawa, Shin Nishio, Hideo Omi, Tsutomu Tabata, Yuji Takei, Kaei Nasu, Yoshiyuki Takahashi, Shinji Toyota, Yoshikazu Ichikawa, Atsushi Arakawa, Fuminori Ito, Hiroshi Tsubamoto, Taisuke Mori, Yasuyuki Hirashima, Kimihiko Ito
The purpose of this phase II trial was to assess the efficacy and toxicity of paclitaxel and nedaplatin (TN) as the initial postoperative adjuvant chemotherapy for uterine cervical cancer with lymph node metastases (LNM). Patients with FIGO stage IB1-IIA2 squamous cell carcinoma of the uterine cervix were enrolled. Histological confirmation of LNM was mandatory. Intravenous paclitaxel at 175 mg/m2 and nedaplatin at 80 mg/m2 were administered every 28-day cycle, of which there were five cycles after radical hysterectomy...
March 25, 2018: Cancer Science
https://www.readbyqxmd.com/read/29572122/hpv-infection-and-p16-ink4a-and-tp53-expression-in-rare-cancers-of-the-uterine-cervix
#18
Nabiha Missaoui, Sarra Mestiri, Ahlem Bdioui, Thouraya Zahmoul, Hajer Hamchi, Moncef Mokni, Sihem Hmissa
Cervix cancer remains among most commonly diagnosed cancer in developing countries. Except squamous cell carcinoma and adenocarcinoma, the etiopathology and oncogenic mechanisms of rare cancers remain largely unknown. The study was performed to investigate the value of HPV infection and the expression of p16INK4A and TP53 in rare primitive cancers of the cervix. We conducted a retrospective study of rare primitive cancers of the cervix. Main clinicopathological features were reported. HPV infection was detected by in situ hybridization...
March 6, 2018: Pathology, Research and Practice
https://www.readbyqxmd.com/read/29560731/chemical-constituents-of-silene-montbretiana
#19
Hilal Kılınç, Milena Masullo, Alfredo Bottone, Tamer Karayıldırım, Özgen Alankuş, Sonia Piacente
A new steroidal glycoside, 3-O-β-d-glucopyranosyl-3β,25-dihydroxy-5β-cholest-7-en-6-one 25-O-β-d-glucopyranoside (1), together with six known steroidal derivatives (2-7), one cerebroside (8) and one flavonoid (9) were isolated from Silene montbretiana Boiss (Caryophyllaceae), a perennial herb growing mainly in the Middle and East Anatolia, Azerbaijan, Iran, and Turkey. Their structures were established by the extensive use of 1D and 2D NMR experiments along with ESI-MS analyses. The cytotoxicity against the cancer A549 (human alveolar basal carcinoma) and Hela (human epitheloid cervix carcinoma) cell lines has been evaluated...
March 21, 2018: Natural Product Research
https://www.readbyqxmd.com/read/29553482/gold-decorated-porous-biosilica-nanodevices-for-advanced-medicine
#20
Monica Terracciano, Michela Napolitano, Luca De Stefano, Anna Chiara De Luca, Ilaria Rea
Diatomite is a fossil material made of amorphous porous silica. In this work, polyethylene glycol (PEG)-modified diatomite NPs (PEG-DNPs) are decorated with gold NPs (AuNPs) by one-pot liquid-phase synthesis. Nanocomplexes (PEG-DNPs@AuNPs), with an average size of about 450 nm, are characterized by dynamic light scattering, electron microscopy, nitrogen adsorption/desorption analysis, UV-VIS and photoluminescence spectroscopies. Preliminary studies on the use of the nanocomplex in nanomedicine are also presented...
March 19, 2018: Nanotechnology
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