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https://www.readbyqxmd.com/read/28223083/characteristics-and-prognosis-of-japanese-female-breast-cancer-patients-the-biobank-japan-project
#1
Koshi Nakamura, Emiko Okada, Shigekazu Ukawa, Makoto Hirata, Akiko Nagai, Zentaro Yamagata, Yutaka Kiyohara, Kaori Muto, Yoichiro Kamatani, Toshiharu Ninomiya, Koichi Matsuda, Michiaki Kubo, Yusuke Nakamura, Akiko Tamakoshi
BACKGROUND: Breast cancer is currently the most common type of cancer in Japanese females. Unlike most other types of cancer, breast cancer develops more frequently in middle-aged females than in elderly females. METHODS: Of all Japanese female breast cancer patients aged ≥20 years whom the BioBank Japan Project originally enrolled between 2003 and 2008, 2034 were registered within 90 days after their diagnosis. We described the lifestyle and clinical characteristics of these patients at study entry...
February 17, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28210973/renal-drug-transporters-and-drug-interactions
#2
REVIEW
Anton Ivanyuk, Françoise Livio, Jérôme Biollaz, Thierry Buclin
Transporters in proximal renal tubules contribute to the disposition of numerous drugs. Furthermore, the molecular mechanisms of tubular secretion have been progressively elucidated during the past decades. Organic anions tend to be secreted by the transport proteins OAT1, OAT3 and OATP4C1 on the basolateral side of tubular cells, and multidrug resistance protein (MRP) 2, MRP4, OATP1A2 and breast cancer resistance protein (BCRP) on the apical side. Organic cations are secreted by organic cation transporter (OCT) 2 on the basolateral side, and multidrug and toxic compound extrusion (MATE) proteins MATE1, MATE2/2-K, P-glycoprotein, organic cation and carnitine transporter (OCTN) 1 and OCTN2 on the apical side...
February 16, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28168058/correlation-of-oncotype-dx-recurrence-score-with-histomorphology-and-immunohistochemistry-in-over-500-patients
#3
Matthew G Hanna, Ira J Bleiweiss, Anupma Nayak, Shabnam Jaffer
Oncotype Dx is used to determine the recurrence risk (RR) in patients with estrogen receptor positive (ER+) and lymph node negative (LN-) breast cancer. The RR is divided into low (0-17), intermediate (18-30), and high (31) to predict chemotherapy benefit. Our goal was to determine the association between histomorphology, immunohistochemistry, and RR. We retrospectively identified 536 patients with ER+ and LN- breast cancers that underwent Oncotype testing from 2006 to 2013. Tumor size ranged from 0.2 cm to 6...
2017: International Journal of Breast Cancer
https://www.readbyqxmd.com/read/28133236/-a-case-of-gallbladder-carcinoma-and-breast-cancer-associated-with-pancreaticobiliary-maljunction
#4
Takeshi Hijikawa, Hiroaki Kitade, Hidesuke Yanagida, Masanori Yamada, Noriko Sueoka, Aiko Ueda, Yu Tsubota, Daigo Yamamoto, Kazuhiko Yoshioka, Masanori Kon
We report a case of gallbladder cancer and right breast cancer associated with pancreaticobiliary maljunction.The patient was a 74-year-old woman who presented with abdominal pain due to cholecystitis.Abdominal CT detected a gallbladder tumor and right breast tumor.Enhanced CT and MRCP examination revealed gallbladder cancer and right breast cancer associated with pancreaticobiliary maljunction.We performed a gallbladder bed resection, bile duct resection, and right total mastectomy.The histopathological diagnosis of the gallbladder was moderately tubular adenocarcinoma and that of the breast tumor was scirrhous carcinoma...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28133208/-a-case-of-primary-acinic-cell-carcinoma-acc-of-the-breast
#5
Hiroshi Kawai, Ryoma Sugimoto, Norichika Iga, Hirokuni Ikeda, Ryosuke Yoshida, Naohisa Waki, Masahiro Ishizaki, Hideyuki Nishi, Kazuki Yamashita
A49 -year-old woman presented with a 3.5 cm mass in her right breast. Mammography revealed a lobular mass with poorly defined margins and no microcalcification. Ultrasonography showed a hypoechoic mass with an irregular margin. The tumor was diagnosed as breast carcinoma using a core needle biopsy. The patient underwent a modified radical mastectomy with sentinel lymph node biopsy, and received adjuvant chemotherapy. The tumor consisted of 2 types of carcinoma. The center of the tumor was solid-tubular carcinoma, and the periphery was acinic cell carcinoma(ACC)...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28072972/-clinicopathologic-features-of-adenoid-cystic-carcinoma-of-breast
#6
S P Guo, Q L Li, Y M Wang, K X Zeng, Y Liu, W N Xu, X M Zhang
Objective: To investigate the clinicopathologic features and grading of adenoid cystic carcinoma (ACC) of the breast. Methods: Sixteen cases of ACC of the breast were analyzed and graded according to the previous report. Immunohistochemical (IHC) staining was used to detect the immunophenotype, Ki-67 proliferative index and expression of EZH2, and the association with tumor grade and outcome was analyzed. Results: Of the 16 cases, 11 were grade Ⅰ, with the epithelial and myoepithelial cells being arranged into tubular and cribriform structure with no solid component; three were grade Ⅱ, which were composed of mixed tubular, cribriform and solid component (<30%); and two were grade Ⅲ, which showed mainly solid component (>90%) and the tumor cells showed basaloid features with scanty cytoplasm and hyperchromatic nuclei, and mitotic count was>5/10 HPF...
January 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28058078/extramammary-paget-s-disease-of-anal-canal-associated-with-rectal-adenoma-without-invasive-carcinoma
#7
Vaibhav Chumbalkar, Timothy A Jennings, Sanaz Ainechi, Edward C Lee, Hwajeong Lee
Extramammary Paget's disease (EMPD) is a rare disease which is found in apocrine-rich locations such as anogenital region, axilla and rarely in other sites. Perianal EMPD is often reported as the involvement of perianal skin, but involvement of anal mucosa is very rare. Based on pathogenesis and association with either synchronous or metachronous malignancy, EMPD can be divided into primary and secondary types. Treatment approach for these two types of Paget's disease and their prognosis is different, thus it is important to make the distinction...
December 2016: Gastroenterology Research
https://www.readbyqxmd.com/read/28049953/cobalt-chloride-induces-expression-and-function-of-breast-cancer-resistance-protein-bcrp-abcg2-in-human-renal-proximal-tubular-epithelial-cell-line-hk-2
#8
Katsuki Nishihashi, Kei Kawashima, Takami Nomura, Yumiko Urakami-Takebayashi, Makoto Miyazaki, Mikihisa Takano, Junya Nagai
The human breast cancer resistance protein (BCRP/ABCG2), a member of the ATP-binding cassette transporter family, is a drug transporter restricting absorption and enhancing excretion of many compounds including anticancer drugs. The cis-regulatory elements in the BCRP promoter include a hypoxia response element, i.e., the DNA binding site for hypoxia-inducible factor-1 (HIF-1). In this study, we investigated the effect of cobalt chloride, a chemical inducer of HIF-1α, on the expression and function of BCRP in human renal proximal tubular cell line HK-2...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28032917/well-differentiated-invasive-breast-cancers-with-equivocal-her2-immunohistochemistry-what-is-the-yield-of-routine-reflex-in-situ-hybridization-testing
#9
Gillian C Bethune, Alexandra S L Pettit, Daniel Veldhuijzen van Zanten, Penelope J Barnes
AIMS: The 2013 American Society of Clinical Oncology and the College of American Pathologists (ASCO/CAP) HER2 guidelines recommend testing all invasive breast cancers for HER2, typically with immunohistochemistry (IHC) followed by in-situ hybridization (ISH) when IHC is equivocal. As well-differentiated breast cancers are rarely HER2-positive, we assessed the value of routine reflex HER2 ISH testing for this subset of breast cancers. METHODS AND RESULTS: We collected HER2 IHC 2+ cases and fluorescence in-situ hybridization (FISH) data from primary breast cancers with well-differentiated tumour types (grade 1 ductal carcinomas, classic lobular carcinomas, tubular, cribriform and pure mucinous carcinomas) at our centre from 2010 to 2015...
December 29, 2016: Histopathology
https://www.readbyqxmd.com/read/28029492/overdiagnosis-in-breast-imaging
#10
Andy Evans, Sarah Vinnicombe
The main harm of overdiagnosis is overtreatment. However a form of overdiagnosis also occurs when foci of cancer are found by imaging in addition to the symptomatic lesion when this leads to additional treatment which does not benefit the patient. Even if overtreatment is avoided, knowledge of the diagnosis can still cause psychological harm. Overdiagnosis is an inevitable effect of mammographic screening as the benefit comes from diagnosing breast cancer prior to clinical detectability. Estimates of the rate of overdiagnosis at screening are around 10%...
October 28, 2016: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28000172/implementation-of-a-precision-pathology-program-focused-on-oncology-based-prognostic-and-predictive-outcomes
#11
Michael J Donovan, Carlos Cordon-Cardo
Personalized or precision medicine as a diagnostic and therapeutic paradigm was introduced some 10-15 years ago, with the advent of biomarker discovery as a mechanism for identifying prognostic and predictive attributes associated with treatment indication and outcome. While the concept is not new, the successful development and implementation of novel 'companion diagnostics', especially in oncology, continues to represent a significant challenge and is currently at the forefront of smart trial design and therapeutic choice...
December 20, 2016: Molecular Diagnosis & Therapy
https://www.readbyqxmd.com/read/27916281/intratumoral-heterogeneity-of-macrophages-and-fibroblasts-in-breast-cancer-is-associated-with-the-morphological-diversity-of-tumor-cells-and-contributes-to-lymph-node-metastasis
#12
Lubov A Tashireva, Evgeny V Denisov, Tatiana S Gerashchenko, Daria N Pautova, Mikhail A Buldakov, Marina V Zavyalova, Julia Kzhyshkowska, Nadezhda V Cherdyntseva, Vladimir M Perelmuter
Recent studies have highlighted the heterogeneity of the tumor microenvironment (ME) and the importance of its analysis to the understanding of its impact on clinical outcomes. In this study, we aimed to analyze the intratumoral distribution of macrophages and fibroblasts in breast cancer (BC) based on the morphological diversity of tumor cells (tubular, alveolar, solid, trabecular and discrete structures) and the clinicopathological parameters of the disease. Thirty-six patients with invasive breast carcinoma of no special type were included in the study...
November 27, 2016: Immunobiology
https://www.readbyqxmd.com/read/27897190/versatile-sensitive-liquid-chromatography-mass-spectrometry-implementation-of-10%C3%A2-%C3%AE-m-ot-columns-suitable-for-small-molecules-peptides-and-proteins
#13
T Vehus, H Roberg-Larsen, J Waaler, S Aslaksen, S Krauss, S R Wilson, E Lundanes
We have designed a versatile and sensitive liquid chromatographic (LC) system, featuring a monolithic trap column and a very narrow (10 μm ID) fused silica open tubular liquid chromatography (OTLC) separation column functionalized with C18-groups, for separating a wide range of molecules (from small metabolites to intact proteins). Compared to today's capillary/nanoLC approaches, our system provides significantly enhanced sensitivity (up to several orders) with matching or improved separation efficiency, and highly repeatable chromatographic performance...
November 29, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27853497/imaging-findings-in-patients-with-granulomatous-mastitis
#14
Pelin Seher Oztekin, Gamze Durhan, Pinar Nercis Kosar, Serap Erel, Sema Hucumenoglu
BACKGROUND: Granulomatous mastitis (GM) is a rare inflammatory breast disease that may mimic the clinical characteristics and radiologic imaging findings of breast carcinoma. Considering the importance of making a correct diagnosis, careful radiologic evaluations and recognition of imaging features are necessary. OBJECTIVES: The aim of this study was to review the radiological findings and diagnostic value of the imaging in GM. PATIENTS AND METHODS: This retrospective study involved a total of 29 patients who were diagnosed with GM between 2009 and 2013 and who underwent mammography (MG) and/or ultrasound (US) examination in addition to magnetic resonance imaging (MRI) before diagnosis...
July 2016: Iranian Journal of Radiology: a Quarterly Journal Published By the Iranian Radiological Society
https://www.readbyqxmd.com/read/27832842/flat-epithelial-atypia-on-core-needle-biopsy-must-we-surgically-excise
#15
A A Acott, A T Mancino
: Breast flat epithelial atypia (FEA) often coexists with more aggressive pathology and excision is currently recommended when diagnosed by core needle biopsy (CNB). Recent studies suggest isolated FEA has a low association with carcinoma and may warrant close surveillance. A radiology database containing 2189 breast CNB was reviewed for isolated FEA or FEA in combination with atypical pathology. 79 patients had FEA. There were 48/79 with isolated FEA and 31/79 concomitant FEA with ADH, ALH, or LCIS...
December 2016: American Journal of Surgery
https://www.readbyqxmd.com/read/27802189/a-case-of-multicentric-low-grade-neuroendocrine-breast-tumor-with-an-unusual-histological-pattern
#16
Antonio D'Antonio, Maria Addesso, Domenico Memoli, Annamaria Cascone, Luigi Cremone
Neuroendocrine features are detectable in carcinomas of the breast either as scattered cells, that are recognized by their expression of neuroendocrine cell markers. Instead, pure breast carcinomas with neuroendocrine features (NEBC) are very rare and represent <1% of all breast cancer. Usually NEBC may be well or poorly differentiated and more frequent in older woman. These tumors showed variable histological pattern but a common feature is represented by expression of neuroendocrine markers. Here we report a case of a primary multicentric low-grade neuroendocrine carcinoma of the breast presented because of its rarity and for the unusual tubular and cribriform pattern resembling a well-differentiated conventional breast carcinoma...
October 14, 2016: Breast Disease
https://www.readbyqxmd.com/read/27769548/characteristics-and-treatment-of-human-epidermal-growth-factor-receptor-2-positive-breast-cancer-43-485-cases-from-the-national-cancer-database-treated-in-2010-and-2011
#17
Brigid K Killelea, Anees B Chagpar, Nina R Horowitz, Donald R Lannin
BACKGROUND: Although identification of human epidermal growth factor receptor 2 (Her2) positive breast cancer represents one of the greatest advances over the past 3 decades, it has not been studied extensively on a national level. METHODS: The National Cancer Database is a joint project of the American Cancer Society and the American College of Surgeons and contains data on about 70% of the cancer cases in the United States. Data on Her2 have been collected since 2010 and was used for this study...
February 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/27742372/a-novel-combination-of-two-minimally-invasive-surgical-techniques-in-the-management-of-refractory-radiation-necrosis-technical-note
#18
Ghaith Habboub, Mayur Sharma, Gene H Barnett, Alireza M Mohammadi
BACKGROUND: Minimally-invasive approaches are attractive alternative to standard craniotomy for large intracranial tumors with potentially lesser morbidity. In this report, we describe a sequential combination of two minimally-invasive surgical techniques to treat a large intracranial tumor. CLINICAL PRESENTATION: A 49year-old woman presented with a history of breast cancer and large left parietal metastasis with significant perilesional edema. This was initially managed by whole brain radiation therapy and stereotactic radiosurgery...
January 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27718417/initial-experience-of-automated-breast-volume-scanning-abvs-and-ultrasound-elastography-in-predicting-breast-cancer-subtypes-and-staging
#19
Xiao-Lei Wang, Lin Tao, Xian-Li Zhou, Hong Wei, Jia-Wei Sun
OBJECTIVES: Breast cancer is a heterogeneous disease consisting of distinct histopathological subtypes with different clinical outcomes. In this article, we identified the automated breast volume scanning (ABVS) and shear wave velocity (SWV) characteristics of different pathological types of breast carcinoma. METHODS: A retrospective review of both ABVS and SWV imaging of 118 consecutive breast masses was performed. The imaging features of both techniques were assessed with reference to histopathological results...
December 2016: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/27630851/a-clinicopathological-study-of-benign-phyllodes-tumour-of-breast-with-emphasis-on-unusual-features
#20
Kishori Moni Panda, Reena Naik
INTRODUCTION: Benign Phyllodes Tumours (PTs) are rare fibroepithelial neoplasms that resemble fibroadenoma. But unlike fibroadenoma, benign PT can recur and both stromal & epithelial components can progress to malignancy. Contrary to earlier belief that benign PT is a stromal neoplasm and possibly arises from fibroadenoma, more recent molecular studies have suggested that both stroma and epithelium can become neoplastic. Sometimes, benign PT can occur synchronously with fibroadenoma. Here histomorphologic analysis of eleven cases of benign PT are presented including some unusual features...
July 2016: Journal of Clinical and Diagnostic Research: JCDR
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