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ductal in situ carcinoma

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https://www.readbyqxmd.com/read/28087402/accuracy-is-in-the-eyes-of-the-pathologist-the-visual-interpretive-process-and-diagnostic-accuracy-with-digital-whole-slide-images
#1
Tad T Brunyé, Ezgi Mercan, Donald L Weaver, Joann G Elmore
Digital whole slide imaging is an increasingly common medium in pathology, with application to education, telemedicine, and rendering second opinions. It has also made it possible to use eye tracking devices to explore the dynamic visual inspection and interpretation of histopathological features of tissue while pathologists review cases. Using whole slide images, the present study examined how a pathologist's diagnosis is influenced by fixed case-level factors, their prior clinical experience, and their patterns of visual inspection...
January 10, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/28078498/perinatal-exposure-to-bisphenol-a-or-diethylstilbestrol-increases-the-susceptibility-to-develop-mammary-gland-lesions-after-estrogen-replacement-therapy-in-middle-aged-rats
#2
Ayelen L Gomez, Melisa B Delconte, Gabriela A Altamirano, Lucia Vigezzi, Veronica L Bosquiazzo, Luís F Barbisan, Jorge G Ramos, Enrique H Luque, Mónica Muñoz-de-Toro, Laura Kass
The development of the mammary gland is a hormone-regulated event. Several factors can dysregulate its growth and make the gland more susceptible to cellular transformation. Among these factors, perinatal exposure to xenoestrogens and hormone replacement therapy has been associated with increased risk of developing breast cancer. Here, we assessed the effects induced by estrogen replacement therapy (ERT) in ovariectomized (OVX) middle-aged rats and whether perinatal exposure to diethylstilbestrol (DES) or bisphenol A (BPA) modified these effects in the mammary gland...
January 11, 2017: Hormones & Cancer
https://www.readbyqxmd.com/read/28078482/irreversible-electroporation-as-treatment-of-locally-advanced-and-as-margin-accentuation-in-borderline-resectable-pancreatic-adenocarcinoma
#3
P Marsanic, A Mellano, A Sottile, M De Simone
In recent years, many local ablation technologies based on thermal damage have been used in the treatment of locally advanced pancreatic carcinoma (LAPC) and borderline resectable pancreatic carcinoma (BLRPC). However, they are associated with major complications because of possible vascular and ductal damage. Irreversible electroporation (IRE) is a nonthermal ablation technology that seems safe near vital vascular and ductal structures. IRE could be used as exclusive treatment of LAPC (en situ to IRE) after induction chemotherapy In BLRPC, surgery is not really radical in 6% of patients (microscopic residual) and local recurrences occur in 11-42% of apparent radical resections...
January 11, 2017: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/28075663/comparative-study-of-her-2-p53-ki-67-expression-and-clinicopathological-characteristics-of-breast-cancer-in-a-cohort-of-northern-china-female-patients
#4
Li Ding, Zijin Zhang, Yan Xu, Yongqiang Zhang
OBJECTIVE: To study the relationship among Her-2, Ki-67, p53 expression and the clinicopathologic characteristics of breast cancer in the patients of northern China. METHODS: Expression of Her-2, Ki-67, p53 and clinical characteristics of 260 breast cancer patients were retrospectively studied. RESULTS: Her-2 overexpression led to higher incidence rates of infiltrating ductal carcinoma and axillary lymph node metastasis, bigger diameters of the primary tumors, later pTNM staging, and a lower incidence rate of ductal carcinoma in situ (p < 0...
January 11, 2017: Bioengineered
https://www.readbyqxmd.com/read/28072617/evaluation-of-the-response-to-breast-cancer-neoadjuvant-chemotherapy-using-18f-fdg-positron-emission-mammography-compared-with-whole-body-18f-fdg-pet-a-prospective-observational-study
#5
Mutsumi Noritake, Kazutaka Narui, Tomohiro Kaneta, Sadatoshi Sugae, Kentaro Sakamaki, Tomio Inoue, Takashi Ishikawa
PURPOSE: The aim of this study was to assess therapeutic response to breast cancer neoadjuvant chemotherapy (NAC) by F-FDG positron emission mammography (PEM) compared with that to whole-body F-FDG PET (WBPET). METHODS: Twenty patients underwent WBPET and PEM 3 times: the first time was before NAC, the second time was after 2 courses of NAC, and the third time was after all courses of NAC. A pathological complete response (pCR) was defined as no evidence of residual invasive cancer with or without ductal carcinoma in situ...
January 9, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28069161/the-value-of-routine-screening-mammography-in-women-aged-35-39-years-in-a-symptomatic-breast-unit
#6
A Buckley, N Healy, A Quinn, S A O'Keeffe
AIM: To determine the breast cancer detection rate at routine bilateral screening mammography in women aged 35-39 years attending a symptomatic breast clinic, in women of population-risk profile with a normal clinical examination. METHODS AND MATERIALS: A retrospective analysis of all mammograms performed on patients aged 35-39 years at St James's Hospital from 2011-2015 was carried out. Patients with moderate or high familial risk of breast cancer, personal breast cancer history or chest radiation, males, general practitioner (GP) and internal hospital referrals, and those with abnormal clinical examinations were excluded...
January 6, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28063816/trends-in-the-use-of-implantable-accelerated-partial-breast-irradiation-for-ductal-carcinoma-in-situ-implications-of-the-recent-amendments-to-the-american-society-for-radiation-oncology-consensus-guidelines
#7
Waqar Haque, Vivek Verma, Anam Haque, E Brian Butler, Bin S Teh
PURPOSE: In 2009, the American Society for Radiation Oncology (ASTRO) published consensus recommendations that stated ductal carcinoma in situ (DCIS) patients were in a "cautionary" group for accelerated partial breast irradiation (APBI) and should not receive APBI outside of a clinical trial. However, very recently, ASTRO placed low-risk DCIS patients in the "suitable" category. Given this recent change, we aimed to use the Surveillance, Epidemiology, and End Results (SEER) database to evaluate past patterns of implantable APBI (IAPBI) utilization in women with DCIS...
January 4, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28062852/a-proteomic-approach-to-identify-endosomal-cargoes-controlling-cancer-invasiveness
#8
Jesica Diaz-Vera, Sarah Palmer, Juan Ramon Hernandez-Fernaud, Emmanuel Dornier, Louise E Mitchell, Iain Macpherson, Joanne Edwards, Sara Zanivan, Jim C Norman
We have previously shown that Rab17 - a small GTPase associated with epithelial polarity - is specifically suppressed by ERK2 signalling to promote an invasive phenotype. However, the mechanisms through which Rab17 loss permits invasiveness, and the endosomal cargoes that are responsible for mediating this are not known. Using quantitative mass spectrometry-based proteomics, we have found that knockdown of Rab17 leads to highly selective reduction in the cellular levels of a v-SNARE (Vamp8). Moreover, proteomics and immunofluorescence indicate that Vamp-8 is associated with Rab17 at late endosomes...
January 6, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28058695/health-related-behaviors-and-mortality-outcomes-in-women-diagnosed-with-ductal-carcinoma-in-situ
#9
Christopher Thomas Veal, Vicki Hart, Susan G Lakoski, John M Hampton, Ronald E Gangnon, Polly A Newcomb, Stephen T Higgins, Amy Trentham-Dietz, Brian L Sprague
PURPOSE: Women diagnosed with ductal carcinoma in situ (DCIS) of the breast are at greater risk of dying from cardiovascular disease and other causes than from breast cancer, yet associations between health-related behaviors and mortality outcomes after DCIS have not been well studied. METHODS: We examined the association of body mass index, physical activity, alcohol consumption, and smoking with mortality among 1925 women with DCIS in the Wisconsin In Situ Cohort study...
January 5, 2017: Journal of Cancer Survivorship: Research and Practice
https://www.readbyqxmd.com/read/28058096/breast-ductal-carcinoma-in-situ-a-literature-review-of-adjuvant-hormonal-therapy
#10
REVIEW
Stephen Kinsey-Trotman, Zumin Shi, Beverley Fosh
This review paper analyzed publications of adjuvant tamoxifen and aromatase inhibitor use following surgery for breast ductal carcinoma in situ (DCIS). Key endpoint analyses were risk of invasive and noninvasive malignancies and new contralateral breast cancers. Metaanalysis of three studies showed a relative risk of 0.69 (95% confidence interval, 0.60-0.79, P<0.05) for breast malignancies with tamoxifen treatment in a mixed radiotherapy treatment/naïve cohort. Subgroup analysis of DCIS populations in multiple studies showed a trend to benefit with aromatase inhibitor treatment...
October 10, 2016: Oncology Reviews
https://www.readbyqxmd.com/read/28058078/extramammary-paget-s-disease-of-anal-canal-associated-with-rectal-adenoma-without-invasive-carcinoma
#11
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/28055239/the-evolving-role-of-pathology-in-new-developments-classification-terminology-and-diagnosis-of-pancreatobiliary-neoplasms
#12
Michelle D Reid, Melinda M Lewis, Field F Willingham, Volkan Adsay
Pancreatobiliary tract lesions are increasingly being discovered because of more sensitive imaging modalities. Magnetic resonance imaging has identified incidental pancreatic cysts in 13.5% of patients of progressively increasing age. Pancreatobiliary tissue is more accessible through endoscopic ultrasound and magnetic resonance imaging-guided biopsy procedures, and is now an integral part of pathologists' routine practice. Accordingly, several new tumor categories have been recently recognized, including intraductal tubulopapillary neoplasm, a new addition to tumoral intraepithelial neoplasms...
January 5, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28053636/increased-malignant-microcalcifications-after-neoadjuvant-chemotherapy-in-advanced-breast-cancer
#13
Gi Won Shin, Young Mi Park, Hye Kyoung Yoon, Soo Jin Jung, Tae Hyun Kim, Anbok Lee, Seok Mo Lee
In patients with advanced breast cancer, most new calcifications detected on a mammogram after neoadjuvant chemotherapy are benign dystrophic calcifications, but this is not always observed. We present a patient with advanced breast cancer who had paradoxically increased malignant microcalcifications concomitant with primary tumor regression after undergoing neoadjuvant chemotherapy. After the neoadjuvant chemotherapy, the follow-up mammogram revealed that local, fine pleomorphic microcalcifications had markedly increased...
December 2016: Journal of Breast Cancer
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
#14
Gillian Charlotte Bethune, Alexandra Sophie Louise Pettit, Daniel Veldhuijzen van Zanten, Penelope Jane Barnes
AIMS: The 2013 ASCO/CAP HER2 guidelines recommend testing all invasive breast cancers for HER2, typically with IHC followed by 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 FISH data from primary breast cancers with well-differentiated tumor types (grade 1 ductal carcinomas, classic lobular carcinomas, tubular, cribriform and pure mucinous carcinomas) at our centre from 2010-2015...
December 29, 2016: Histopathology
https://www.readbyqxmd.com/read/28013533/evaluation-of-pathologic-complete-response-in-breast-cancer-patients-treated-with-neoadjuvant-chemotherapy-experience-in-a-single-institution-over-a-10-year-period
#15
Misun Choi, Yeon Hee Park, Jin Seok Ahn, Young-Hyuck Im, Seok Jin Nam, Soo Youn Cho, Eun Yoon Cho
Background: Pathologic complete response (pCR) after neoadjuvant chemotherapy (NAC) has been associated with favorable clinical outcome in breast cancer patients. However, the possibility that the prognostic significance of pCR differs among various definitions has not been established. Materials and Methods: We retrospectively evaluated the pathologic response after NAC in 353 breast cancer patients and compared the prognoses after applying the following different definitions of pCR: ypT0/is, ypT0, ypT0/is ypN0, and ypT0 ypN0...
December 25, 2016: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28006062/association-between-benign-breast-disease-in-african-american-and-white-american-women-and-subsequent-triple-negative-breast-cancer
#16
Lisa A Newman, Azadeh Stark, Dhanajay Chitale, Margaret Pepe, Gary Longton, Maria J Worsham, S David Nathanson, Patricia Miller, Jessica M Bensenhaver, Erica Proctor, Monique Swain, Christos Patriotis, Paul F Engstrom
Importance: Compared with white American (WA) women, African American (AA) women have a 2-fold higher incidence of breast cancers that are negative for estrogen receptor, progesterone receptor, and ERBB2 (triple-negative breast cancer [TNBC]). Triple-negative breast cancer, compared with non-TNBC, likely arises from different pathogenetic pathways, and benign breast disease (BBD) predicts future non-TNBC. Objective: To determine whether AA identity remains associated with TNBC for women with a prior diagnosis of BBD...
December 22, 2016: JAMA Oncology
https://www.readbyqxmd.com/read/28003873/is-anti-hormonal-treatment-in-dcis-of-the-breast-a-need
#17
Waa Tjalma
Ductal carcinomas in situ (DCIS) represent one fifth of all detected breast cancers. The detection of DCIS can be regarded as collateral damage of breast cancer screening. The treatment of DCIS is based on surgery with or without radiotherapy. Women treated for DCIS have a 10 years survival of 98 %. Could there be a role for systemic therapy in case of a DCIS? Recent published studies suggest there is. However, anti-hormonal therapy (tamoxifen, anastrozole) in DCIS causes an increased morbidity without a reduced mortality...
September 2016: Facts, Views & Vision in ObGyn
https://www.readbyqxmd.com/read/28002557/reoperation-rates-in-ductal-carcinoma-in-situ-vs-invasive-breast-cancer-after-wire-guided-breast-conserving-surgery
#18
Linnea Langhans, Maj-Britt Jensen, Maj-Lis M Talman, Ilse Vejborg, Niels Kroman, Tove F Tvedskov
Importance: New techniques for preoperative localization of nonpalpable breast lesions may decrease the reoperation rate in breast-conserving surgery (BCS) compared with rates after surgery with the standard wire-guided localization. However, a valid reoperation rate for this procedure needs to be established for comparison, as previous studies on this procedure include a variety of malignant and benign breast lesions. Objectives: To determine the reoperation rate after wire-guided BCS in patients with histologically verified nonpalpable invasive breast cancer (IBC) or ductal carcinoma in situ (DCIS) and to examine whether the risk of reoperation is associated with DCIS or histologic type of the IBC...
December 21, 2016: JAMA Surgery
https://www.readbyqxmd.com/read/28000325/breast-conservation-in-ductal-carcinoma-in-situ-dcis-what-defines-optimal-margins
#19
REVIEW
Michael S Toss, Sarah E Pinder, Andrew R Green, Jeremy Thomas, David A L Morgan, John F R Robertson, Ian O Ellis, Emad A Rakha
The introduction of mammographic screening has resulted in a rise in the detection rate of ductal carcinoma in situ (DCIS), currently accounting for one-fifth of screen-detected breast cancers. Although 60-70% of DCIS are treated with breast-conserving surgery (BCS) with or without radiotherapy, the frequency of subsequent surgery to re-excise positive margins in order to reduce the probability of recurrences remains high. DCIS recurrence is associated not only with financial, health and psychological implications; approximately half these recurrences are invasive disease...
November 7, 2016: Histopathology
https://www.readbyqxmd.com/read/27998472/-chinese-expert-consensus-on-the-diagnosis-and-treatment-of-breast-carcinoma-in-situ
#20
Q Sun, B H Xu, Z M Shao
In situ carcinomas of the breast constitute 15% to 30% of all newly diagnosed breast cancer cases. Although the concept of carcinoma in situ has been proposed for a long time, there is still a great controversy regarding the screening, diagnosis and treatment. This article attempts to reach some consensus on the management of ductal carcinoma in situ and lobular carcinoma in situ and provide references for clinicians in the following aspects: definition and classification, natural history and prognosis, diagnosis, local and systemic treatment for primary carcinoma in situ, recurrence risk and treatment approaches for recurrent cancers...
December 23, 2016: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
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