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https://www.readbyqxmd.com/read/28731046/pd-l1-expression-and-the-immune-microenvironment-in-primary-invasive-lobular-carcinomas-of-the-breast
#1
Elizabeth D Thompson, Janis M Taube, Rebecca J Asch-Kendrick, Aleksandra Ogurtsova, Haiying Xu, Rajni Sharma, Alan Meeker, Pedram Argani, Leisha A Emens, Ashley Cimino-Mathews
Tumor-infiltrating lymphocytes and immune checkpoint proteins such as PD-L1 are potential prognostic factors and therapeutic targets in breast cancer. Most studies characterizing the breast tumor immune microenvironment have focused on ductal carcinomas. Here we investigate the tumor microenvironment of primary invasive lobular carcinomas. Previously constructed tissue microarrays of 47 lobular carcinomas were labeled by immunohistochemistry for PD-L1, CD8, CD20, and FoxP3. The stromal immune infiltrate density was qualitatively scored as a percentage of tumor area: 1+ (<5%); 2+ (5-10%); 3+ (10-15%); or 4+ (>50%)...
July 21, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28730339/breast-cancer-neoplastic-seeding-in-the-setting-of-image-guided-needle-biopsies-of-the-breast
#2
REVIEW
Lumarie Santiago, Beatriz E Adrada, Monica L Huang, Wei Wei, Rosalind P Candelaria
PURPOSE: To identify clinicopathologic, technical, and imaging features associated with neoplastic seeding (NS) following image-guided needle breast biopsy. METHODS: We performed an institutional review board-approved retrospective review of patients presenting with a new diagnosis of breast cancer or suspicious breast findings requiring biopsy with subsequent diagnosis of NS. The time from biopsy to NS diagnosis was calculated. Histology, grade, estrogen receptor (ER) status, progesterone receptor (PR) status, HER2 status, T category, and N category were recorded...
July 20, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28724885/invasive-ductal-carcinoma-within-a-benign-phyllodes-tumor
#3
Nancy Panko, Anwar A Jebran, Ameer Gomberawalla, Mark Connolly
BACKGROUND Phyllodes tumor (PT) is a rare neoplasm of the breast. Concomitant PT with invasive ductal carcinoma (IDC) is an even rarer occurrence. When ductal carcinoma in situ (DCIS) or IDC are detected within the specimen, the management changes from wide local excision to further staging work-up, including sentinel node biopsy and radiation. CASE REPORT We report the case of a 70-year-old presented with right breast mass whose pathology showed benign PT with concomitant IDC and DCIS. The patient elected for a wide excision of the mass with sentinel lymph node biopsy, which did not show any involvement...
July 20, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28721885/nrg-oncology-radiation-therapy-oncology-group-study-1014-1-year-toxicity-report-from-a-phase-2-study-of-repeat-breast-preserving-surgery-and-3-dimensional-conformal-partial-breast-reirradiation-for-in-breast-recurrence
#4
Douglas W Arthur, Kathryn A Winter, Henry M Kuerer, Bruce G Haffty, Laurie W Cuttino, Dorin A Todor, Nicole L Simone, Shelly B Hayes, Wendy A Woodward, Beryl McCormick, Randi J Cohen, Walter M Sahijdak, Daniel J Canaday, Doris R Brown, Adam D Currey, Christine M Fisher, Reshma Jagsi, Julia White
PURPOSE: To determine the associated toxicity, tolerance, and safety of partial-breast reirradiation. METHODS AND MATERIALS: Eligibility criteria included in-breast recurrence occurring >1 year after whole-breast irradiation, <3 cm, unifocal, and resected with negative margins. Partial-breast reirradiation was targeted to the surgical cavity plus 1.5 cm; a prescription dose of 45 Gy in 1.5 Gy twice daily for 30 treatments was used. The primary objective was to evaluate the rate of grade ≥3 treatment-related skin, fibrosis, and/or breast pain adverse events (AEs), occurring ≤1 year from re-treatment completion...
August 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28719381/detection-of-putative-stem-cell-markers-in-invasive-ductal-carcinoma-of-the-breast-by-immunohistochemistry-does-it-improve-prognostic-predictive-assessments
#5
Rodrigo V Oliveira, Valéria B Souza, Philipi C Souza, Fernando A Soares, José Vassallo, Rafael M Rocha, André A Schenka
INTRODUCTION: Experimental evidences from the last 2 decades supports the existence of a special type of neoplastic cell with stem-like features [cancer stem cell (CSC)] and their role in the pathophysiology and therapeutic resistance of breast cancer. However, their clinical value in human breast cancer has not been fully determined. MATERIALS AND METHODS: An immunohistochemistry panel of 10 putative CSC markers (CD34, C-KIT, CD10, SOX-2, OCT 3/4, p63, CD24, CD44, CD133, and ESA/EPCAM) was applied to 74 cases of breast cancer, followed in a Regional Cancer Center of Minas Gerais State, Brazil, from 2004 to 2006...
July 17, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28717182/widespread-alternative-exon-usage-in-clinically-distinct-subtypes-of-invasive-ductal-carcinoma
#6
Sunniva Stordal Bjørklund, Anshuman Panda, Surendra Kumar, Michael Seiler, Doug Robinson, Jinesh Gheeya, Ming Yao, Grethe I Grenaker Alnæs, Deborah Toppmeyer, Margit Riis, Bjørn Naume, Anne-Lise Børresen-Dale, Vessela N Kristensen, Shridar Ganesan, Gyan Bhanot
Cancer cells can have different patterns of exon usage of individual genes when compared to normal tissue, suggesting that alternative splicing may play a role in shaping the tumor phenotype. The discovery and identification of gene variants has increased dramatically with the introduction of RNA-sequencing technology, which enables whole transcriptome analysis of known, as well as novel isoforms. Here we report alternative splicing and transcriptional events among subtypes of invasive ductal carcinoma in The Cancer Genome Atlas (TCGA) Breast Invasive Carcinoma (BRCA) cohort...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28716115/resectable-adenocarcinoma-developing-in-the-remnant-pancreas-7%C3%A2-years-after-partial-pancreatoduodenectomy-for-invasive-ductal-adenocarcinoma-of-the-pancreas-a-case-report
#7
Lina Frei, Ruedi Stieger, Christian Bayerl, Stefan Breitenstein, Ralph F Staerkle
BACKGROUND: Pancreatic adenocarcinoma still has an excessively high mortality rate and resection is the only potentially curative treatment. The postoperative 5-year survival rate is approximately 20% and recurrence develops generally within 2 years. We report a case of a localized recurrent pancreatic adenocarcinoma in the remnant pancreas, 7 years after initial resection. CASE PRESENTATION: In 2008 an abdominal computed tomography scan showed a mass in the pancreas of a 70-year-old white woman, who presented with occlusive jaundice and abdominal pain in her right upper quadrant...
July 17, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28715356/a-mouse-model-for-pain-and-neuroplastic-changes-associated-with-pancreatic-ductal-adenocarcinoma
#8
Deepitha Selvaraj, Michael Hirth, Jagadeesh Gandla, Rohini Kuner
Pancreatic ductal adenocarcinoma (PDAC) continues to be one of the deadliest human malignancies and is associated with excruciating pain, which is a serious complication and severely impacts the quality of life in patients. In human patients, poor survival prognosis is linked to remarkable remodeling of intrapancreatic nerves, which, in turn, is correlated to increased pain intensity. Understanding mechanisms underlying pain associated with PDAC has been hampered by the lack of animal models which replicate all germane aspects of the disease and importantly, enable analyses of pain associated with PDAC...
August 2017: Pain
https://www.readbyqxmd.com/read/28711544/concordance-of-dna-methylation-profiles-between-breast-core-biopsy-and-surgical-excision-specimens-containing-ductal-carcinoma-in-situ-dcis
#9
Youdinghuan Chen, Jonathan D Marotti, Erik G Jenson, Tracy L Onega, Kevin C Johnson, Brock C Christensen
The utility and reliability of assessing molecular biomarkers for translational applications on pre-operative core biopsy specimens assume consistency of molecular profiles with larger surgical specimens. Whether DNA methylation in ductal carcinoma in situ (DCIS), measured in core biopsy and surgical specimens are similar, remains unclear. Here, we compared genome-scale DNA methylation measured in matched core biopsy and surgical specimens from DCIS, including specific DNA methylation biomarkers of subsequent invasive cancer...
July 12, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28707744/the-impact-of-molecular-subtype-on-breast-cancer-recurrence-in-young-women-treated-with-contemporary-adjuvant-therapy
#10
Hanan Alabdulkareem, Tiffany Pinchinat, Sarah Khan, Alyssa Landers, Paul Christos, Rache Simmons, Tracy-Ann Moo
Breast cancer is the leading cause of cancer death in women younger than 40 years. Triple-negative breast cancer (TNBC) and human epidermal growth factor receptor-2 (HER2) positive subtypes have a particularly poor prognosis in this age group. The purpose of this study was to compare rates of recurrence among breast cancer subtypes in young patients treated with modern adjuvant systemic therapy. A retrospective review of breast cancer patients managed at a major academic breast center between May 2000 and November 2014 was performed...
July 14, 2017: Breast Journal
https://www.readbyqxmd.com/read/28707525/is-there-a-role-for-ultrasound-guided-sialoplasty-in-the-management-of-salivary-duct-strictures
#11
Jimmy Makdissi, Lee Feinberg, Amit Roy
Ductal stricture is a common cause of obstructive salivary gland disease. Balloon dilatation of the parotid duct as a minimally invasive technique is currently carried out under fluoroscopic guidance or during sialendocopy. We present a case report of ultrasound guided balloon dilatation. A 45 year old lady presented with a long history of obstructive symptoms affecting the right parotid gland. Ultrasound examination revealed a tortuous right main parotid duct with marked dilatation throughout its course and multiple sites of focal stricture formation...
July 14, 2017: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/28707256/monitoring-in-vivo-the-mammary-gland-microstructure-during-morphogenesis-from-lactation-to-post-weaning-using-diffusion-tensor-mri
#12
Noam Nissan, Edna Furman-Haran, Myra Shapiro-Feinberg, Dov Grobgeld, Hadassa Degani
Lactation and the return to the pre-conception state during post-weaning are regulated by hormonal induced processes that modify the microstructure of the mammary gland, leading to changes in the features of the ductal / glandular tissue, the stroma and the fat tissue. These changes create a challenge in the radiological workup of breast disorder during lactation and early post-weaning. Here we present non-invasive MRI protocols designed to record in vivo high spatial resolution, T2-weighted images and diffusion tensor images of the entire mammary gland...
July 13, 2017: Journal of Mammary Gland Biology and Neoplasia
https://www.readbyqxmd.com/read/28705686/imaging-features-of-patients-undergoing-active-surveillance-for-ductal-carcinoma-in-situ
#13
Lars J Grimm, Sujata V Ghate, E Shelley Hwang, Mary Scott Soo
RATIONALE AND OBJECTIVES: The aim of this study was to describe the imaging appearance of patients undergoing active surveillance for ductal carcinoma in situ (DCIS). MATERIALS AND METHODS: We retrospectively identified 29 patients undergoing active surveillance for DCIS from 2009 to 2014. Twenty-two patients (group 1) refused surgery or were not surgical candidates. Seven patients (group 2) enrolled in a trial of letrozole and deferred surgical excision for 6-12 months...
July 10, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28702871/expression-of-podoplanin-in-stromal-fibroblasts-plays-a-pivotal-role-in-the-prognosis-of-patients-with-pancreatic-cancer
#14
Kazuyoshi Hirayama, Hiroshi Kono, Yuuki Nakata, Yoshihiro Akazawa, Hiroyuki Wakana, Hisataka Fukushima, Hideki Fujii
PURPOSE: To investigate the role of podoplanin (PDPN) expression in invasive ductal carcinoma of the pancreas (IDCP) in humans. METHODS: Tumor samples were obtained from 95 patients with IDCP. Immunohistochemical staining was done to evaluate the expression of PDPN in cancer tissues. RESULTS: PDPN was detected predominantly in stromal fibroblasts, stained with α-smooth muscle actin. The cutoff value of PDPN-positive areas was calculated according to a histogram...
July 12, 2017: Surgery Today
https://www.readbyqxmd.com/read/28701723/the-lncrna-malat1-acts-as-a-competing-endogenous-rna-to-regulate-kras-expression-by-sponging-mir-217-in-pancreatic-ductal-adenocarcinoma
#15
Pingping Liu, Haiyan Yang, Jing Zhang, Xiaozhong Peng, Zhaohui Lu, Weimin Tong, Jie Chen
The long noncoding RNA (lncRNA) metastasis-associated lung adenocarcinoma transcript-1 (MALAT1) has been shown to play an important role in tumourigenesis. The aim of this study was to investigate the role of MALAT1 in pancreatic ductal adenocarcinoma. MALAT1 is expressed at higher levels in pancreatic ductal adenocarcinoma (PDAC) tissues than in nontumour tissues and in metastatic PDAC than in localized tumours. Patients with PDAC and high MALAT1 expression levels have shorter overall survival than patients with PDAC and low MALAT1 expression levels...
July 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28700803/factors-associated-with-underestimation-of-invasive-cancer-in-patients-with-ductal-carcinoma-in-situ-precautions-for-active-surveillance
#16
Carlos Chavez de Paz Villanueva, Valentina Bonev, Maheswari Senthil, Naveenraj Solomon, Mark E Reeves, Carlos A Garberoglio, Jukes P Namm, Sharon S Lum
Importance: Recent recognition of the overdiagnosis and overtreatment of ductal carcinoma in situ (DCIS) detected by mammography has led to the development of clinical trials randomizing women with non-high-grade DCIS to active surveillance, defined as imaging surveillance with or without endocrine therapy, vs standard surgical care. Objective: To determine the factors associated with underestimation of invasive cancer in patients with a clinical diagnosis of non-high-grade DCIS that would preclude active surveillance...
July 12, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/28700421/atypical-proliferative-borderline-serous-tumor-in-the-brain-a-case-report
#17
Deyin Xing, Erik G Jenson, Christopher A Zwick, Fausto J Rodriguez, Robert J Kurman
A 59-year-old woman with a remote history of invasive ductal carcinoma of the breast was found on a follow-up computed tomography scan of her brain to have a 1-cm lesion in the right frontal lobe in 2008. In the ensuing years, before her current admission, multiple imaging studies of the brain revealed that the lesion was stable and it was, therefore, interpreted as a small area of encephalomalacia related to a thrombosed cortical vein, a cavernoma, or treated metastatic breast cancer. In 2013, the patient underwent a bilateral salpingo-oophorectomy for ovarian tumors that were diagnosed as bilateral serous cystadenofibromas...
July 11, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28698625/ectodysplasin-target-gene-fgf20-regulates-mammary-bud-growth-and-ductal-invasion-and-branching-during-puberty
#18
Teresa Elo, Päivi H Lindfors, Qiang Lan, Maria Voutilainen, Ewelina Trela, Claes Ohlsson, Sung-Ho Huh, David M Ornitz, Matti Poutanen, Beatrice A Howard, Marja L Mikkola
Mammary gland development begins with the appearance of epithelial placodes that invaginate, sprout, and branch to form small arborized trees by birth. The second phase of ductal growth and branching is driven by the highly invasive structures called terminal end buds (TEBs) that form at ductal tips at the onset of puberty. Ectodysplasin (Eda), a tumor necrosis factor-like ligand, is essential for the development of skin appendages including the breast. In mice, Eda regulates mammary placode formation and branching morphogenesis, but the underlying molecular mechanisms are poorly understood...
July 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28698404/association-of-conventional-ultrasound-elastography-and-clinicopathological-factors-with-axillary-lymph-node-status-in-invasive-ductal-breast-carcinoma-with-sizes-10-mm
#19
Hui Liu, Guang Xu, Ming-Hua Yao, Huan Pu, Yan Fang, Li-Hua Xiang, Rong Wu
BACKGROUND: To evaluate whether conventional ultrasound, elastography [conventional strain elastography of elasticity imaging, acoustic radiation force impulse induced strain elastography of virtual touch tissue imaging, and a novel two-dimensional shear wave elastography of virtual touch tissue imaging quantification] and clinicopathological factors are associated with axillary lymph node metastasis in invasive ductal breast carcinoma with sizes > 10 mm. MATERIALS AND METHODS: We evaluated 150 breast lesions from 148 patients using the above methods and the clinicopathological factors...
July 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28698318/words-do-matter-a-systematic-review-on-how-different-terminology-for-the-same-condition-influences-management-preferences
#20
Brooke Nickel, Alexandra Barratt, Tessa Copp, Ray Moynihan, Kirsten McCaffery
OBJECTIVES: Changing terminology for low-risk, screen-detected conditions has now been recommended by several expert groups in order to prevent overdiagnosis and reduce the associated harms of overtreatment. However, the effect of terminology on patients' preferences for management is not well understood. This review aims to synthesise existing studies on terminology and its impact on management decision making. DESIGN: Systematic review. METHODS: Studies were included that compared two or more terminologies to describe the same condition and measured the effect on treatment or management preferences and/or choices...
July 10, 2017: BMJ Open
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