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https://www.readbyqxmd.com/read/29778998/coexisting-squamous-cell-carcinoma-and-high-grade-neuroendocrine-carcinoma-small-cell-type-a-rare-collision-in-cervix
#1
Seema Kaushal, Sandeep R Mathur, Sunesh Kumar
Collision tumours of the uterine cervix are extremely uncommon with exact incidence not known. Unlike squamous cell carcinoma (SCC) and adenocarcinoma that are known to coexist, small cell neuroendocrine carcinoma (SCNEC) is rarely documented with other histological types in the cervix. We report such rare case of a collision tumour in cervix displaying dual histological component of SCNEC and SCC in a 36-year-old woman. The case is being presented because of its rarity and represents a unique and hitherto seldom-reported combination of two malignant tumours with distinct and often contrasting epidemiology, histology and prognosis coexisting in the same patient...
May 18, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29765518/increasing-aggressiveness-of-patient-derived-xenograft-models-of-cervix-carcinoma-during-serial-transplantation
#2
Catherine S Wegner, Anette Hauge, Lise Mari K Andersen, Ruixia Huang, Trude G Simonsen, Jon-Vidar Gaustad, Einar K Rofstad
Four patient-derived xenograft (PDX) models (BK-12, ED-15, HL-16, LA-19) of carcinoma of the uterine cervix have been developed in our laboratory, and their stability during serial transplantation in vivo was investigated in this study. Two frozen cell stocks were established, one from xenografted tumors in passage 2 (early generation) and the other from xenografted tumors transplanted serially in mice for approximately two years (late generation), and the biology of late generation tumors was compared with that of early generation tumors...
April 20, 2018: Oncotarget
https://www.readbyqxmd.com/read/29761595/radiomics-analysis-of-apparent-diffusion-coefficient-in-cervical-cancer-a-preliminary-study-on-histological-grade-evaluation
#3
Ying Liu, Yuwei Zhang, Runfen Cheng, Shichang Liu, Fangyuan Qu, Xiaoyu Yin, Qin Wang, Bohan Xiao, Zhaoxiang Ye
BACKGROUND: The role of apparent diffusion coefficient (ADC)-based radiomics features in evaluating histopathological grade of cervical cancer is unresolved. PURPOSE: To determine if there is a difference between radiomics features derived from center-slice 2D versus whole-tumor volumetric 3D for ADC measurements in patients with cervical cancer regarding tumor histopathological grade, and systematically assess the impact of the b value on radiomics analysis in ADC quantifications...
May 14, 2018: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29757875/surgery-and-platinum-etoposide-based-chemotherapy-for-the-treatment-of-epithelioid-trophoblastic-tumor
#4
Janelle Sobecki-Rausch, Abigail Winder, Kruti P Maniar, Anna V Hoekstra, Emily Berry, Karen Novak, John R Lurain
OBJECTIVE: Epithelioid trophoblastic tumor (ETT) is a rare variant of gestational trophoblastic neoplasia that develops from chorionic-type intermediate trophoblast, simulates carcinoma, presents years after a pregnancy event, is associated with low or normal human chorionic gonadotropin levels, and is relatively resistant to chemotherapy. Our aim was to identify the role of surgery in combination with platinum/etoposide-based chemotherapy in the management of both localized and metastatic ETT...
May 4, 2018: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/29747434/the-impact-of-human-papilloma-viruses-matrix-metallo-proteinases-and-hiv-protease-inhibitors-on-the-onset-and-progression-of-uterine-cervix-epithelial-tumors-a-review-of-preclinical-and-clinical-studies
#5
REVIEW
Giovanni Barillari, Paolo Monini, Cecilia Sgadari, Barbara Ensoli
Infection of uterine cervix epithelial cells by the Human Papilloma Viruses (HPV) is associated with the development of dysplastic/hyperplastic lesions, termed cervical intraepithelial neoplasia (CIN). CIN lesions may regress, persist or progress to invasive cervical carcinoma (CC), a leading cause of death worldwide. CIN is particularly frequent and aggressive in women infected by both HPV and the Human Immunodeficiency Virus (HIV), as compared to the general female population. In these individuals, however, therapeutic regimens employing HIV protease inhibitors (HIV-PI) have reduced CIN incidence and/or clinical progression, shedding light on the mechanism(s) of its development...
May 9, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29747272/-analysis-of-proliferative-lesions-of-haematopoietic-and-lymphoid-tissue-in-the-female-productive-tract
#6
D B Chen, H Zhang, Y H Zhang, Y Wang, Q J Song, S M Yang, H Cui, Y Zhao, X Z Fang, D H Shen
Objective: To study the clinicopathologic features, diagnosis and differential diagnosis of tumors of haematopoietic and lymphoid tissue in the female productive tract. Methods: Eleven cases of myeloid sarcoma and leukemia, 9 of non Hodgkin lymphoma (NHL) , 13 of cervical lymphoma-like lesions were selected from Peking University People's Hospital from January 2006 to August 2017. According to WHO classification of tumors of haematopoietic and lymphoid tissues (2008) and updated classification(2016), the cases were studied by microscopy, immunohistochemistry and in situ hybridization...
April 25, 2018: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/29745858/kf-finder-identification-of-key-factors-from-host-microbial-networks-in-cervical-cancer
#7
Jialu Hu, Yiqun Gao, Yan Zheng, Xuequn Shang
BACKGROUND: The human body is colonized by a vast number of microbes. Microbiota can benefit many normal life processes, but can also cause many diseases by interfering the regular metabolism and immune system. Recent studies have demonstrated that the microbial community is closely associated with various types of cell carcinoma. The search for key factors, which also refer to cancer causing agents, can provide an important clue in understanding the regulatory mechanism of microbiota in uterine cervix cancer...
April 24, 2018: BMC Systems Biology
https://www.readbyqxmd.com/read/29731507/primary-papillary-serous-carcinoma-of-the-fallopian-tube-presenting-as-a-vaginal-mass-a-case-report-and-review-of-the-literature
#8
Einav Kadour-Peero, Lena Sagi-Dain, Gil Cohen, Roman Korobochka, Abed Agbarya, Jacob Bejar, Shlomi Sagi
BACKGROUND There is now evidence to support that some cases of high-grade serous papillary carcinoma arise from the fallopian tubes rather than the ovaries. Common symptoms at presentation include abdominal pain and swelling, vomiting, altered bowel habit and urinary symptoms. To our knowledge, this is the first case of serous papillary carcinoma presenting as a vaginal mass lesion. CASE REPORT A 41-year-old woman was referred to the Bnai-Zion Medical Center with the main complaint of irregular vaginal bleeding, vaginal mucous discharge, and suspected pelvic mass...
May 7, 2018: American Journal of Case Reports
https://www.readbyqxmd.com/read/29728922/uterine-endometrial-carcinoma-with-dna-mismatch-repair-deficiency-magnetic-resonance-imaging-findings-and-clinical-features
#9
Kiyoyuki Minamiguchi, Junko Takahama, Tomoko Uchiyama, Ryosuke Taiji, Natsuhiko Saito, Hiroshi Okada, Nagaaki Marugami, Yasuhito Tanase, Ryuji Kawaguchi, Chiho Ohbayashi, Hiroshi Kobayashi, Toshiko Hirai, Kimihiko Kichikawa
PURPOSE: The purpose of this study was to identify the magnetic resonance imaging (MRI) features of uterine endometrial carcinoma (EC) with DNA mismatch repair (MMR) deficiency. MATERIALS AND METHODS: This was a retrospective study approved by our institutional review board. The study included 118 patients pathologically diagnosed as having EC in our institution from April 2014 to December 2016. Of 118 patients, 8 were excluded because of insufficient data. Immunohistochemical analysis of MMR was performed retrospectively to observe the expressions of MLH1, MSH2, MSH6, and PMS2...
May 4, 2018: Japanese Journal of Radiology
https://www.readbyqxmd.com/read/29725444/brachytherapy-for-cervical-cancer-in-septate-uterus-dose-volume-differences-with-tandem-implant-placement-in-right-vs-left-uterine-canal-a-case-report
#10
Naoya Ishibashi, Toshiya Maebayashi, Takuya Aizawa, Masakuni Sakaguchi, Takehiro Nakao, Masahiro Okada
Brachytherapy is a standard treatment modality for locally advanced cervical cancer. In patients with uterine anomalies, the radiation dose to the target volume and the organs at risk can vary depending on the positioning of the brachytherapy tandem implant. However, there have been few reports concerning the use of brachytherapy in patients with uterine anomalies. The present study reports the case of a 55-year-old woman with locally advanced squamous cell carcinoma of the cervix and complete septate uterus...
May 2018: Oncology Letters
https://www.readbyqxmd.com/read/29725249/single-nucleotide-polymorphisms-and-haplotypes-of-carbonic-anhydrase-9-can-predict-invasive-squamous-cell-carcinoma-of-uterine-cervix
#11
Huang-Pin Shen, Yi-Hsuan Hsiao, Shun-Fa Yang, Yu-Fan Liu, Jiunn-Liang Ko, Po-Hui Wang
This study aimed to explore the involvement of carbonic anhydrase 9 (CA9) single nucleotide polymorphisms (SNPs) in the development of invasive cancer of uterine cervix for Taiwanese women. Ninety-seven patients with cervical invasive squamous cell carcinoma and 88 with preinvasive squamous cell lesions as well as 324 control women were recruited. Two CA9 SNPs in exons, including rs2071676 (+201, G/A) in exon 1 and rs3829078 (+1081, A/G) in exon 7, rs1048638 (+1584, C/A) in 3'-untranslated region of exon 11, as well as an 18-base pair deletion/insertion (376deltion393) in exon 1 were selected and their genotypic distributions were determined by real-time polymerase chain reaction...
2018: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/29716549/lyl1-gene-amplification-predicts-poor-survival-of-patients-with-uterine-corpus-endometrial-carcinoma-analysis-of-the-cancer-genome-atlas-data
#12
Se Ik Kim, Ji Won Lee, Nara Lee, Maria Lee, Hee Seung Kim, Hyun Hoon Chung, Jae-Weon Kim, Noh Hyun Park, Yong-Sang Song, Jeong-Sun Seo
BACKGROUND: Somatic amplifications of the LYL1 gene are relatively common occurrences in patients who develop uterine corpus endometrial carcinoma (UCEC) as opposed to other cancers. This study was undertaken to determine whether such genetic alterations affect survival outcomes of UCEC. METHODS: In 370 patients with UCEC, we analysed clinicopathologic characteristics and corresponding genomic data from The Cancer Genome Atlas database. Patients were stratified according to LYL1 gene status, grouped as amplification or non-amplification...
May 2, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29707199/epigenetic-silencing-of-lncrna-mort-in-16-tcga-cancer-types
#13
Lukas Vrba, Bernard W Futscher
We have previously described a hominid-specific long non-coding RNA, MORT (also known as ZNF667-AS1 , Gene ID: 100128252), which is expressed in all normal cell types, but epigenetically silenced during cancer-associated immortalization of human mammary epithelial cells.  Initial analysis of The Cancer Genome Atlas (TCGA) showed that 15 of 17 cancer types, which represent the 10 most common cancers in women and men, display DNA methylation associated MORT silencing in a large fraction of their tumors.  In this study we analyzed MORT expression and DNA methylation state in the remaining 16 TCGA cancer types not previously reported...
2018: F1000Research
https://www.readbyqxmd.com/read/29703236/high-grade-serous-carcinoma-with-discordant-p53-signature-report-of-a-case-with-new-insight-regarding-high-grade-serous-carcinogenesis
#14
Yuichiro Hatano, Shinya Fukuda, Hiroshi Makino, Hiroyuki Tomita, Ken-Ichirou Morishige, Akira Hara
BACKGROUND: Although p53 signature, benign-appearing epithelial cells with p53 diffuse expression, is frequently found in the fallopian tubes, the clinical and pathological significance of this lesion in the case of high-grade serous carcinoma (HGSC) patients still remains unclear. CASE PRESENTATION: A 56-year-old woman was referred to the gynecologist on account of abdominal distention. Since radiological and serological workup suggested that her illness was due to advanced ovarian cancer (FIGO Stage IVB), she received neoadjuvant chemotherapy, and the clinical evaluation of the chemotherapeutic response was a partial response...
April 27, 2018: Diagnostic Pathology
https://www.readbyqxmd.com/read/29700570/-the-new-s3-guideline-prevention-of-cervical-carcinoma-what-is-important-for-pathology
#15
D Schmidt
Of the numerous aspects involved in the diagnosis, treatment, and follow-up of cervical uterine precursor lesions, epidemiology, virology, cytology, human papillomavirus (HPV) testing, and diagnostic algorithms for equivocal and HPV-positive findings are important for pathologists. Cytology will continue to be used as a preventive medical check-up in young women, while HPV-based screening is suggested for older women. HPV screening has yielded a significant reduction in cancer precursors and invasive cervical carcinoma in numerous studies...
April 26, 2018: Der Pathologe
https://www.readbyqxmd.com/read/29700418/smarca4-deficient-undifferentiated-uterine-sarcoma-malignant-rhabdoid-tumor-of-the-uterus-a-clinicopathologic-entity-distinct-from-undifferentiated-carcinoma
#16
David L Kolin, Fei Dong, Michele Baltay, Neal Lindeman, Laura MacConaill, Marisa R Nucci, Christopher P Crum, Brooke E Howitt
Small cell carcinoma of the ovary, hypercalcemic type is a rare, aggressive malignancy which usually occurs in young women and is characterized by mutations in SMARCA4, with few other alterations. We recently encountered uterine tumors with morphologic, immunohistochemical, and genetic similarities to small cell carcinoma of the ovary, hypercalcemic type. Herein we report the clinicopathologic and molecular features (using a targeted massively parallel sequencing [MPS] assay) of these tumors. The cases were diagnosed on cervical and endometrial biopsies (n = 2, 34, and 29 years) or hysterectomy and bilateral salpingo-oophorectomy (n = 3, 25, 33, and 58 years)...
April 26, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29700276/endometrial-metastasis-from-ductal-breast-carcinoma-a-case-report-with-literature-review
#17
Maryam Rahmani, Fatemeh Nili, Elnaz Tabibian
BACKGROUND There are few reports of breast cancer cases with uterine metastases; among them, myometrium is more frequently involved than endometrium. The majority of breast cancer metastases to endometrium are lobular type, and there have been only 5 reported cases of ductal type since 1984. Here, we describe a new case of invasive ductal carcinoma with metastases to endometrium and isolated presentation of abnormal uterine bleeding, in addition to reviewing the existing literature on other similar cases. CASE REPORT The patient was a 51-year-old Persian woman with no remarkable past medical or family history of cancer, who presented with a 6-month complaint of menorrhagia to our gynecology clinic...
April 27, 2018: American Journal of Case Reports
https://www.readbyqxmd.com/read/29692675/decreased-carbonyl-reductase-1-expression-promotes-tumor-growth-via-epithelial-mesenchymal-transition-in-uterine-cervical-squamous-cell-carcinomas
#18
Yuki Nishimoto, Akihiro Murakami, Shun Sato, Takuya Kajimura, Kengo Nakashima, Kazuyuki Yakabe, Kotaro Sueoka, Norihiro Sugino
Purpose: Carbonyl reductase 1 (CBR1) is involved in cancer progression. Recently, the authors reported that the loss of CBR1 expression is associated with a poor prognosis in uterine cervical cancer. Here, we investigated whether the decreased CBR1 expression promotes cancer progression by inducing the epithelial mesenchymal transition (EMT). Methods: Antisense constructs of CBR1 complementary DNA (antisense clones) and the empty vectors (control clones) were transfected into human uterine cervical squamous cell carcinoma cell lines (SKG II and SiHa) and the proliferation and EMT marker expression of these clones were analyzed in vitro...
April 2018: Reproductive Medicine and Biology
https://www.readbyqxmd.com/read/29684152/association-between-proportion-of-nuclei-with-high-chromatin-entropy-and-prognosis-in-gynecological-cancers
#19
Birgitte Nielsen, Andreas Kleppe, Tarjei Sveinsgjerd Hveem, Manohar Pradhan, Rolf Anders Syvertsen, John Arne Nesheim, Gunnar Balle Kristensen, Jone Trovik, David James Kerr, Fritz Albregtsen, Håvard Emil Danielsen
Background: Nuclear texture analysis measuring differences in chromatin structure has provided prognostic biomarkers in several cancers. There is a need for improved cell-by-cell chromatin analysis to detect nuclei with highly disorganized chromatin. The purpose of this study was to develop a method for detecting nuclei with high chromatin entropy and to evaluate the association between the presence of such deviating nuclei and prognosis. Methods: A new texture-based biomarker that characterizes each cancer based on the proportion of high-chromatin entropy nuclei (<25% vs ≥25%) was developed on a discovery set of 175 uterine sarcomas...
April 18, 2018: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/29683881/gastric-type-adenocarcinoma-of-the-uterine-cervix-magnetic-resonance-imaging-features-clinical-outcomes-and-prognostic-factors
#20
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
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