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https://www.readbyqxmd.com/read/28213066/inguinal-lymph-node-presenting-as-the-delayed-site-of-metastasis-in-early-stage-endometrial-carcinoma-case-report
#1
Shomaila Amir M Akbar, Mutahir A Tunio, Wafa AlShakweer, AbdulAziz AlObaid, Mushabbab AlAsiri
INTRODUCTION: Inguinal lymph nodes are the frequent sites of metastasis for malignant lymphoma, squamous cell carcinoma of anal canal, vulva and penis, malignant melanoma and squamous cell carcinoma of skin over lower extremities or trunk. Anatomically, endometrial carcinoma is less likely to spread to the superficial or deep inguinal lymph nodes, thus metastatic involvement of these lymph nodes can easily be overlooked. CASE PRESENTATION: Here-in we report a case of a 65-year old Saudi morbid obese female, who presented with left inguinal lymphadenopathy as initial delayed site of metastasis almost 19 months after the initial treatment for FIGO IA endometrial carcinoma...
January 19, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28212549/the-prevalence-and-clinicopathological-features-of-breast-cancer-patients-with-hepatitis-b-virus-infection-in-china
#2
He Wu, Chunxia Zhao, Vishnu Prasad Adhikari, Linjie Lu, Jianbo Huang, Yuxian Wei, Qingqing Luo, Wei Dai, Yutuan Wu, Xin Li, Kainan Wu, Ling-Quan Kong
We performed a case-control study to investigate the prevalence and clinicopathological features of breast cancer patients with hepatitis B virus (HBV) infection in China. The clinical data for 2,796 female patients with newly diagnosed, primary breast cancer were evaluated. A total of 234 breast cancer patients with HBV infection (the case group; positive for hepatitis B surface antigen [HBsAg]) and 444 breast cancer patients without HBV infection (the control group; negative for HBsAg, hepatitis B surface antibody, hepatitis B envelope antigen, hepatitis B envelope antibody, and hepatitis B core antibody) were selected for study...
February 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212122/a-research-of-soft-tissue-lipoma-genesis-factor-with-immunohistochemical-analysis
#3
Jun Beom Lee, Hwan Jun Choi, Eun Taik Son, Jun Hyuk Kim
INTRODUCTION: Lipoma is the most familiar soft-tissue tumor. But the etiology of lipoma remains imprecise. Sex steroid hormones such as estrogen have effects on muscle and adipose tissue development. There is now significant evidence that sex steroids are involved in the site specificities of adipose tissue metabolism. This association of adipose tissue metabolism between sex steroid hormones suggests a possible role for sex steroids in the pathogenesis of lipoma. METHODS: To investigate this concept, the authors evaluated the expression of the estrogen receptor (ER) and the progesterone receptor (PR) in soft tissue lipoma in this study...
February 16, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28211282/signet-ring-cell-carcinoma-of-the-jejunum-an-uncommon-finding-within-the-reach-of-capsule-endoscopy
#4
José Francisco Juanmartiñena, Marta Montes, Ignacio Fernández-Urién
An 80 year-old female presented with ductal breast carcinoma (stage II) three years ago, complained of asthenia and iron-deficiency anemia. No diagnosis was obtained after conventional endoscopy and iron supplements were indicated. Ten months later visible digestive hemorrhage was presented. Upper and lower endoscopy was repeated but non-diagnosis was obtained. Thus, video capsule endoscopy was indicated identifying a stenotic lesion arising in the mucosa of distal jejunum. Histopathological examination revealed a poorly mucinous differentiated signet-ring cell adenocarcinoma with an intense peri-tumoral lymphoid (Crohn´s-like lymphoid reaction) and lympho-vascular infiltration with no nodal metastases (pT3N0;7ª edition TNM classification)...
February 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28208155/pet-mr-in-invasive-ductal-breast-cancer-correlation-between-imaging-markers-and-histological-phenotype
#5
Onofrio Antonio Catalano, Gary Lloyd Horn, Alberto Signore, Carlo Iannace, Maria Lepore, Mark Vangel, Angelo Luongo, Marco Catalano, Constance Lehman, Marco Salvatore, Andrea Soricelli, Ciprian Catana, Umar Mahmood, Bruce Robert Rosen
BACKGROUND: Differences in genetics and receptor expression (phenotypes) of invasive ductal breast cancer (IDC) impact on prognosis and treatment response. Immunohistochemistry (IHC), the most used technique for IDC phenotyping, has some limitations including its invasiveness. We explored the possibility of contrast-enhanced positron emission tomography magnetic resonance (CE-FDG PET/MR) to discriminate IDC phenotypes. METHODS: 21 IDC patients with IHC assessment of oestrogen receptor (ER), progesterone receptor (PR), human epidermal growth factor-2 (HER2), and antigen Ki-67 (Ki67) underwent CE-FDG PET/MR...
February 16, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28206673/the-immune-system-as-a-new-possible-cell-target-for-afp-464-in-a-spontaneous-mammary-cancer-mouse-model
#6
Mariana A Callero, Cristina E Rodriguez, Aldana Sólimo, Elisa Bal de Kier Joffé, Andrea I Loaiza Perez
Aminoflavone (AFP 464, NSC 710464), an antitumor agent which recently entered phase II clinical trials, acts against estrogen-positive breast cancer (ER +). AFP 464, which has a unique mechanism of action by activating aryl hydrocarbon receptor (AhR) signaling pathway, decreased tumor size and growth rate in the estrogen dependent, Tamoxifen-sensitive spontaneous M05 mouse model. Considering that AhR has recently emerged as a physiological regulator of the innate and adaptive immune responses, we investigated whether AFP 464 modulates the immune response in our mouse model...
February 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28205044/clinical-tumor-stage-is-the-most-important-predictor-of-pathological-complete-response-rate-after-neoadjuvant-chemotherapy-in-breast-cancer-patients
#7
Briete Goorts, Thiemo J A van Nijnatten, Linda de Munck, Martine Moossdorff, Esther M Heuts, Maaike de Boer, Marc B I Lobbes, Marjolein L Smidt
BACKGROUND: Pathological complete response (pCR) is the ultimate response in breast cancer patients treated with neoadjuvant chemotherapy (NCT). It might be a surrogate outcome for disease-free survival (DFS) and overall survival (OS). We studied the effect of clinical tumor stage (cT-stage) on tumor pCR and the effect of pCR per cT-stage on 5-year OS and DFS. METHODS: Using the Netherlands Cancer Registry, all primary invasive breast cancer patients treated with NCT from 2005 until 2008 were identified...
February 15, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28203817/decreased-epithelial-progesterone-receptor-a-at-the-window-of-receptivity-is-required-for-preparation-of-the-endometrium-for-embryo-attachment%C3%A2
#8
Margeaux Wetendorf, San-Pin Wu, Xiaoqiu Wang, Chad J Creighton, Tianyuan Wang, Rainer B Lanz, Leen Blok, Sophia Y Tsai, Ming-Jer Tsai, John P Lydon, Francesco J DeMayo
No abstract text is available yet for this article.
February 1, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28203552/a-novel-panel-of-serum-mir-21-mir-155-mir-365-as-a-potential-diagnostic-biomarker-for-breast-cancer
#9
Ji-Guang Han, Yong-Dong Jiang, Chun-Hui Zhang, Yan-Mei Yang, Da Pang, Yan-Ni Song, Guo-Qiang Zhang
PURPOSE: Insufficient sensitivity and specificity prevent the use of most existing biomarkers for early detection of breast cancer. Recently, it was reported that serum microRNAs (miRNAs) may be potential biomarkers in many cancer diseases. In this study, we investigated whether serum levels of 5 miRNAs including miR-21, miR-125b, miR-145, miR-155, and miR-365 could discriminate breast cancer patients and healthy controls. METHODS: Serum levels of miRNAs were measured by using quantitative real-time polymerase chain reaction in 99 breast cancer patients and 21 healthy controls...
February 2017: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/28203454/mir-328-may-be-considered-as-an-oncogene-in-human-invasive-breast-carcinoma
#10
Alihossein Saberi, Amir Danyaei, Niloofar Neisi, Maryam Dastoorpoor, Mohammad Javad Tahmasbi Birgani
BACKGROUND: The recent investigations have rendered microRNAs (miRs) as a novel biomarker in cancer research. In fact, alteration in miR expression may be associated with tumor suppression, tumorigenesis, metastasis, and poor prognosis in human breast cancer (BC). OBJECTIVES: The aim of this clinical experimental study was to measure the miR-328 expression level in breast cancer tissues, at first. Then, we tried to find out any possible correlation between miR-328 and prognostic and predictive biomarkers in BC...
November 2016: Iranian Red Crescent Medical Journal
https://www.readbyqxmd.com/read/28203428/multiple-cavitating-pulmonary-nodules-rare-manifestation-of-benign-metastatic-leiomyoma
#11
Sa Ra Lee, Youn-I Choi, Seok Jeong Lee, Sung Shine Shim, Jin Hwa Lee, Yoo Kyung Kim, Soon Hee Sung
Benign metastasizing leiomyoma (BML) is a rare disease of pathologically benign, but the tumor metastasizes to other organs. The most common organ involved in BML is lung. Pulmonary involvement usually manifested as multiple nodules on chest X-ray, however we experienced an interesting case of a 52-year-old premenopausal woman who presented with multiple bilateral lung cavitations and nodules on a chest X-ray without any respiratory symptoms. Chest computed-tomography identified multiple cavitary lesions of 5-12 mm in diameter and well-defined nodules of 5-10 mm in diameter in both lung fields...
January 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28198519/correlation-of-hypoxia-inducible-transcription-factor-in-breast-cancer-and-suvmax-of-f-18-fdg-pet-ct
#12
Young-Ju Jeong, Jae-Won Jung, Yoon-Young Cho, Sung-Hwan Park, Hoon-Kyu Oh, Sungmin Kang
BACKGROUND: Tumor hypoxia induces the expression of several genes via the hypoxia-inducible transcription factor-1 alpha (HIF-1a). It is associated with the prognosis of several cancers. We studied the immunohistochemical expression of HIF-1a in patients with invasive ductal cancer (IDC) of the breast and the possible correlation with the maximum standardized uptake value of the primary tumor (pSUVmax) as well as other biological parameters. Prognostic significance of pSUVmax and expression of HIF-1a for the prediction of progression-free survival (PFS) was also assessed...
2017: Nuclear Medicine Review. Central & Eastern Europe
https://www.readbyqxmd.com/read/28197932/effect-of-gnrha-ovulation-trigger-dose-on-follicular-fluid-characteristics-and-granulosa-cell-gene-expression-profiles
#13
Thi Ngoc Lan Vuong, M T Ho, T Q Ha, M Brehm Jensen, C Yding Andersen, P Humaidan
PURPOSE: A recent dose-finding study showed no significant differences in number of mature oocytes, embryos and top-quality embryos when triptorelin doses of 0.2, 0.3 or 0.4 mg were used to trigger final oocyte maturation in oocyte donors co-treated with a gonadotropin-releasing hormone (GnRH) antagonist. This analysis investigated whether triptorelin dosing for triggering final oocyte maturation in oocyte donors induced differences in follicular fluid (FF) hormone levels and granulosa cell gene expression...
February 14, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28197632/pgrmc1-dependent-autophagy-by-hyperoside-induces-apoptosis-and-sensitizes-ovarian-cancer-cells-to-cisplatin-treatment
#14
Xiaofei Zhu, Mingde Ji, Yue Han, Yuanyuan Guo, Wenqiang Zhu, Feng Gao, Xuewen Yang, Chunbing Zhang
Cisplatin treatment some times leads to chemoresistance, which is now acknowledged partially due to the inductive expression of progesterone receptor membrane component (PGRMC)1 in ovarian cancer cells. PGRMC1 enhances autophagy, activates cytochrome p450, and inveigles signaling pathways to promote cell survival and reduce the effect of drug treatments. In this study, we give first line evidence that hyperoside inhibits cell viability, triggers autophagy and apoptosis in ovarian cancer cell lines. Mechanistically, PGRMC1-dependent autophagy was utilized by hyperoside to induce apoptotic cell death...
February 10, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28196852/inpp4b-and-pten-loss-leads-to-pi-3-4-p2-accumulation-and-inhibition-of-pi3k-in-tnbc
#15
Darien E Reed, Kevan M Shokat
: Triple-negative breast cancer [TNBC, lacks expression of estrogen receptor (ER), progesterone receptor (PR) and amplification of HER2/Neu] remains one of the most aggressive subtypes, affects the youngest patients and still lacks an effective targeted therapy(1,2). Both phosphatidylinositol-3-kinase (PI3K)-α and -β contribute to oncogenesis of solid tumors, including the development of breast cancer(3). Inositol polyphosphate-4-phosphatase type II (INPP4B) catalyzes the removal of the 4'-phosphate of phosphatidylinositol-(3,4-bisphosphate (PI-3,4-P2) creating phosphatidylinositol-3-phosphate(4)...
February 14, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28195084/calretinin-expression-as-a-reliable-prognostic-marker-in-different-molecular-subtypes-of-breast-carcinoma
#16
Mayada Saad Farrag, Amro Awad El-Karef, Maha Mohammed Amin, Nagwa Mokhtar Helal, Omar Farouk Ali, Nesrine Saad Farrag
BACKGROUND: Calretinin (CR), a known mesothelial marker, is expressed in both epithelial and mesenchymal malignancies including breast cancer. AIMS: We aimed to measure the frequency of CR expression in correlation with other clinicopathological parameters of different molecular subtypes of invasive breast carcinoma and to study its prognostic implications in this common cancer. STUDY DESIGN: Tissue microarrays were constructed from 225 tissue samples of breast carcinoma cases...
January 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28194662/mmtv-pymt-and-derived-met-1-mouse-mammary-tumor-cells-as-models-for-studying-the-role-of-the-androgen-receptor-in-triple-negative-breast-cancer-progression
#17
Jessica L Christenson, Kiel T Butterfield, Nicole S Spoelstra, John D Norris, Jatinder S Josan, Julie A Pollock, Donald P McDonnell, Benita S Katzenellenbogen, John A Katzenellenbogen, Jennifer K Richer
Triple-negative breast cancer (TNBC) has a faster rate of metastasis compared to other breast cancer subtypes, and no effective targeted therapies are currently FDA-approved. Recent data indicate that the androgen receptor (AR) promotes tumor survival and may serve as a potential therapeutic target in TNBC. Studies of AR in disease progression and the systemic effects of anti-androgens have been hindered by the lack of an AR-positive (AR+) immunocompetent preclinical model. In this study, we identified the transgenic MMTV-PyMT (mouse mammary tumor virus-polyoma middle tumor-antigen) mouse mammary gland carcinoma model of breast cancer and Met-1 cells derived from this model as tools to study the role of AR in breast cancer progression...
February 13, 2017: Hormones & Cancer
https://www.readbyqxmd.com/read/28193571/outcomes-and-utilization-of-postmastectomy-radiotherapy-for-t3n0-breast-cancers
#18
Samual R Francis, Jonathan Frandsen, Kristine E Kokeny, David K Gaffney, Matthew M Poppe
BACKGROUND: The role of postmastectomy radiotherapy (PMRT) for women with pT3N0M0 breast cancer is controversial. We sought to determine the benefit of PMRT in this cohort using the National Cancer Database (NCDB). METHODS: We analyzed women with pT3N0M0 breast cancer who received mastectomy with or without PMRT between 2004 and 2012. We excluded men, women ≤18 years, neoadjuvant or unknown radiation or chemotherapy status, unknown estrogen or progesterone receptor status, unknown surgical margin status, histology other than invasive ductal or lobular carcinoma, and if death occurred <3 months after diagnosis...
February 9, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28191651/the-development-of-prostate-adenocarcinoma-in-a-transgender-male-to-female-patient-could-estrogen-therapy-have-played-a-role
#19
Asma Sharif, Neha R Malhotra, Andres M Acosta, Andre A Kajdacsy-Balla, Maarten Bosland, Grace Guzman, Gail S Prins, Michael R Abern
BACKGROUND: Prostate adenocarcinoma (PCa) is a rare diagnosis in the male to female transgender (MtFT) population with only a few case reports published in the current medical literature. Long standing beliefs of androgen suppression conferring a protective effect against prostate cancer development have been challenged by the literature citing adenocarcinoma development in the prostate of rodent models following combined estrogen and testosterone treatment. MATERIALS AND METHODS: We herein present a MtFT patient who presented with high grade PCa following 20 years of exogenous estrogen therapy...
February 13, 2017: Prostate
https://www.readbyqxmd.com/read/28190421/sperm-gamma-aminobutyric-acid-type-a-receptor-delta-subunit-gabrd-and-its-interaction-with-purinergic-p2x2-receptors-in-progesterone-induced-acrosome-reaction-and-male-fertility
#20
Wenming Xu, Ke Wang, Yan Chen, Xiao Tong Liang, Mei Kuen Yu, Huanxun Yue, M Louise Tierney
The mechanism underlying the non-genomic action of progesterone in sperm functions and related Ca2+ mobilisation remains elusive. Herein we report the expression of gamma-aminobutyric acid type A receptor delta subunit (GABRD) in human and rodent sperm and its involvement in mediating the progesterone-induced acrosome reaction. GABRD was localised in the sperm head/neck region. A δ(392-422)-specific inhibitory peptide against GABRD blocked the progesterone-induced acrosome reaction and the associated increase in intracellular Ca2+...
February 13, 2017: Reproduction, Fertility, and Development
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