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https://www.readbyqxmd.com/read/28807345/ampk-expression-patterns-are-significantly-associated-with-poor-prognosis-in-breast-cancer-patients
#1
Jaudah Al-Maghrabi, Kaltoom Al-Sakkaf, Imtiaz Ahmad Qureshi, Nadeem Shafique Butt, Lila Damnhory, Mohamed Elshal, Basim Al-Maghrabi, Alia Aldahlawi, Sawsan Ashoor, Barry Brown, Pauline Dobson, Mohamad Nidal Khabaz
Many investigators have examined the functions of AMP-activated protein kinase (AMPK) in cancer biology and its anti-neoplastic features in cancer models. The goal of this research is to assess the association of the immunohistochemical expression of AMPK in human mammary tumours with the clinical data of breast cancer patients. 449 cases of previously diagnosed breast cancer, and 27 tissue samples of fibroadenomas and normal breast were utilized for detection of AMPK expression using tissue microarrays and immunohistochemistry...
August 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28799536/estrogen-receptor-esr1-mutation-in-bone-metastases-from-breast-cancer
#2
Stephan Bartels, Matthias Christgen, Angelina Luft, Sascha Persing, Kai Jödecke, Ulrich Lehmann, Hans Kreipe
Activating mutations of estrogen receptor α gene (ESR1) in breast cancer can cause endocrine resistance of metastatic tumor cells. The skeleton belongs to the metastatic sides frequently affected by breast cancer. The prevalence of ESR1 mutation in bone metastasis and the corresponding phenotype are not known. In this study bone metastases from breast cancer (n=231) were analyzed for ESR1 mutation. In 27 patients (12%) (median age 73 years, range: 55-82 years) activating mutations of ESR1 were detected. The most frequent mutation was p...
August 11, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28795370/surgical-upstaging-rates-for-vacuum-assisted-biopsy-proven-dcis-implications-for-active-surveillance-trials
#3
Lars J Grimm, Marc D Ryser, Ann H Partridge, Alastair M Thompson, Jeremy S Thomas, Jelle Wesseling, E Shelley Hwang
PURPOSE: This study was designed to determine invasive cancer upstaging rates at surgical excision following vacuum-assisted biopsy of ductal carcinoma in situ (DCIS) among women meeting eligibility for active surveillance trials. METHODS: Patients with vacuum-assisted, biopsy-proven DCIS at a single center from 2008 to 2015 were retrospectively reviewed. Imaging and pathology reports were interrogated for the imaging appearance, tumor grade, hormone receptor status, and presence of comedonecrosis...
August 9, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28775079/invasive-lobular-breast-carcinoma-metastasising-to-the-rectum
#4
Nishant Cherian, Nafees Ahmad Qureshi, Callum Cairncross, Mamoon Solkar
Gastrointestinal (GI) metastasis from a primary breast carcinoma is uncommon, with the rectum being one of the least reported sites in the literature. We report a case of a 79-year-old woman who underwent treatment for an infiltrative lobular carcinoma of the right breast with nodal involvement, and 10 years later developed recurrence in the form of rectal metastasis. Spread to the GI tract is most commonly seen with lobular breast carcinomas. Any patient with a history of breast cancer presenting typically or atypically with abdominal symptoms or altered bowel habit should raise a high index of suspicion for recurrent or metastatic disease...
August 3, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28770103/subclonal-analysis-in-a-lobular-breast-cancer-with-classical-and-solid-growth-pattern-mimicking-a-solid-papillary-carcinoma
#5
Matthias Christgen, Stephan Bartels, Jana Lisa van Luttikhuizen, Maximilian Schieck, Stefanie Pertschy, Sudip Kundu, Ulrich Lehmann, Bjoern Sander, Enrico Pelz, Florian Länger, Brigitte Schlegelberger, Doris Steinemann, Hans Kreipe
Recently, a new variant of invasive lobular breast cancer (ILBC) with solid-papillary-like growth pattern has been described. We present a case of ILBC with solid-papillary-like growth pattern in the main tumour mass and classical invasive lobular growth pattern in adjacent satellite foci. The two tumour components were subjected to comprehensive molecular analyses. Both components were ER/PR-positive, HER2-negative, and showed a complete loss of E-cadherin and beta-catenin protein expression, as determined by immunohistochemistry...
July 2017: Journal of Pathology. Clinical Research
https://www.readbyqxmd.com/read/28767397/clinicopathological-characteristics-and-survival-outcomes-of-invasive-lobular-carcinoma-in-different-races
#6
Li-Yuan Yang, Li-Peng Yang, Biao Zhu
To investigate the clinicopathological characteristics and to determine whether there is a differential effect of race and examine survival outcomes according to race, 18,295 breast invasive lobular carcinoma (ILC) patients were identified in the Surveillance, Epidemiology, and End Result (SEER) database, which includes White patients (n=15,936), Black patients (n=1,451) and patients of other races (including American Indians/Alaskan Natives and Asian/Pacific Islanders) (n=908). The Black ILC patients presented a higher rate of advanced histological grades and American Joint Committee on Cancer (AJCC) stages, a higher rate of lymph node (LN) involvement and a lower rate of progesterone receptors (PR)-positivity than the White patients and other races...
July 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28766225/influence-of-distance-to-hospital-and-insurance-status-on-the-rates-of-contralateral-prophylactic-mastectomy-a-national-cancer-data-base-study
#7
Erin P Ward, Jonathan T Unkart, Alex Bryant, James Murphy, Sarah L Blair
INTRODUCTION: We evaluated the impact of travel distance and insurance status on contralateral prophylactic mastectomy (CPM) rates in breast cancer. METHODS: We queried the National Cancer Data Base (NCDB) for women >18 years of age with a nonmetastatic primary breast cancer of ductal, lobular, or mixed histology. Patient- and facility-specific CPM rates were calculated based on insurance, race, and distance to treatment center. Standard univariable and multivariable regression analysis was performed...
August 1, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28766223/differences-among-a-modern-cohort-of-brca-mutation-carriers-choosing-bilateral-prophylactic-mastectomies-compared-to-breast-surveillance
#8
Elizabeth Gilbert, Emily C Zabor, Michelle Stempel, Debra Mangino, Alexandra Heerdt, Melissa Pilewskie
BACKGROUND: Women with a BRCA mutation have significantly elevated breast cancer risk, which can be reduced by >90% with bilateral prophylactic mastectomy (BPM). We sought to compare a cohort of BRCA mutation carriers choosing BPM versus breast surveillance to better elucidate factors that may impact decision making. METHODS: Women with a BRCA mutation were retrospectively identified from a prospectively maintained database. The surveillance cohort (n = 313) consisted of women seen in a high-risk clinic between 2014 and 2016, while the surgery cohort (n = 142) consisted of women who underwent BPM between 2010 and 2016...
August 1, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28764784/e-cadherin-expression-phenotypes-associated-with-molecular-subtypes-in-invasive-non-lobular-breast-cancer-evidence-from-a-retrospective-study-and-meta-analysis
#9
Jiang-Bo Liu, Chen-Yi Feng, Miao Deng, Dong-Feng Ge, De-Chun Liu, Jian-Qiang Mi, Xiao-Shan Feng
BACKGROUND: This retrospective study and meta-analysis was designed to explore the relationship between E-cadherin (E-cad) expression and the molecular subtypes of invasive non-lobular breast cancer, especially in early-stage invasive ductal carcinoma (IDC). METHODS: A total of 156 post-operative cases of early-stage IDCs were retrospectively collected for the immunohistochemistry (IHC) detection of E-cad expression. The association of E-cad expression with molecular subtypes of early-stage IDCs was analyzed...
August 1, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28757653/distinct-pattern-of-metastases-in-patients-with-invasive-lobular-carcinoma-of-the-breast
#10
Aju Mathew, Padma S Rajagopal, Vipin Villgran, Gurprataap S Sandhu, Rachel C Jankowitz, Mini Jacob, Margaret Rosenzweig, Steffi Oesterreich, Adam Brufsky
BACKGROUND: Invasive lobular carcinoma (ILC) comprises around 10 - 15% of invasive breast cancers. Few prior studies have demonstrated a unique pattern of metastases between ILC and the more common invasive ductal carcinoma (IDC). To our knowledge, such data is limited to first sites of distant recurrence. We aimed to perform a comparison of the metastatic pattern of ILC and IDC at first distant recurrence as well as over the entire course of metastatic disease. METHODS: We used a prospectively collated database of patients with metastatic breast cancer...
June 2017: Geburtshilfe und Frauenheilkunde
https://www.readbyqxmd.com/read/28754846/overexpression-of-the-e2f-target-gene-cenpi-promotes-chromosome-instability-and-predicts-poor-prognosis-in-estrogen-receptor-positive-breast-cancer
#11
Pulari U Thangavelu, Cheng-Yu Lin, Srividya Vaidyanathan, Thu H M Nguyen, Eloise Dray, Pascal H G Duijf
During cell division, chromosome segregation is facilitated by the mitotic checkpoint, or spindle assembly checkpoint (SAC), which ensures correct kinetochore-microtubule attachments and prevents premature sister-chromatid separation. It is well established that misexpression of SAC components on the outer kinetochores promotes chromosome instability (CIN) and tumorigenesis. Here, we study the expression of CENP-I, a key component of the HIKM complex at the inner kinetochores, in breast cancer, including ductal, lobular, medullary and male breast carcinomas...
July 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28752190/postlactational-involution-biomarkers-plasminogen-and-phospho-stat3-are-linked-with-active-age-related-lobular-involution
#12
Melody L Stallings-Mann, Ethan P Heinzen, Robert A Vierkant, Stacey J Winham, Tanya L Hoskin, Lori A Denison, Aziza Nassar, Lynn C Hartmann, Daniel W Visscher, Marlene H Frost, Mark E Sherman, Amy C Degnim, Derek C Radisky
PURPOSE: Breast terminal duct lobular units undergo two distinctive physiological processes of involution: age-related lobular involution (LI), which is gradual and associated with decreased breast cancer risk, and postlactational involution, which is relatively precipitous, occurs with weaning, and has been associated with potentiation of tumor aggressiveness in animal models. Here we assessed whether markers of postlactational involution are associated with ongoing LI in a retrospective tissue cohort...
July 27, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28749097/lymphoepithelioma-like-carcinoma-of-the-breast-mimicking-granulomatous-mastitis-case-report-and-review-of-the-literature
#13
Dalia M Abouelfad, Noha N Yassen, Hebat Allah A Amin, Marwa E Shabana
Lymphoepithelioma-like carcinoma (LELC) of the breast is an exceedingly rare variant of mammary cancer. To our knowledge, only twenty - one cases have been reported in the literature. Diagnosis of this type of mammary carcinoma may be challenging, owing to its rarity and the histopathological similarity to common inflammatory and malignant lesions of the breast mainly granulomatous mastitis, medullary carcinoma, pleomorphic lobular carcinoma, lymphoma and other hematological malignancies. Our case is the 22nd case of lymphoepithelioma-like carcinoma reported in the breast, presenting with a palpable tender mass in a post-menopausal female...
July 27, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28746732/short-term-and-long-term-clinical-outcomes-of-uncommon-types-of-invasive-breast-cancers
#14
Mu Yang, Wei Bao, Xinmin Zhang, Yibin Kang, Bruce Haffty, Lanjing Zhang
BACKGROUND: Invasive ductal carcinoma (IDC) and invasive lobular carcinoma (ILC) are predominant and well-documented types of invasive breast cancers (IBC). However, clinical outcomes of other types of IBC (i.e., uncommon IBC), which collectively account for about 20% of all IBC cases, are largely unknown. METHODS: We identified all IBC cases diagnosed in 2004-2006 (n=159,293) and 2010-2011 (n=118,822) from the Surveillance, Epidemiology and End Results (SEER) database...
July 26, 2017: Histopathology
https://www.readbyqxmd.com/read/28742702/trends-on-axillary-surgery-in-nondistant-metastatic-breast-cancer-patients-treated-between-2011-and-2015-a-dutch-population-based-study-in-the-acosog-z0011-and-amaros-era
#15
Ingrid G M Poodt, Pauline E R Spronk, Guusje Vugts, Thijs van Dalen, M T F D Vrancken Peeters, Marjolijn L Rots, Anne Kuijer, Grard A P Nieuwenhuijzen, Robert-Jan Schipper
OBJECTIVES: To evaluate patterns of care in axillary surgery for Dutch clinical T1-4N0M0 (cT1-4N0M0) breast cancer patients and to assess the effect of the American College for Surgeons Oncology Group (ACOSOG)-Z0011 and After Mapping of the Axilla: Radiotherapy Or Surgery (AMAROS) trial on axillary surgery patterns in Dutch cT1-2N0M0 sentinel node positive breast cancer patients. BACKGROUND: Since publication of the ACOSOG-Z0011 and AMAROS trial, omitting a completion axillary lymph node dissection (cALND) in sentinel node positive breast cancer patients is proposed in selected patients...
July 24, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28739585/the-burdens-and-uncertainties-of-doing-what-one-should-do
#16
EDITORIAL
Victor G Vogel
Despite FDA approval of drugs to reduce the risk of breast cancer in women at increased risk, uptake of these drugs has been poor despite the publication of numerous studies that demonstrate both their effectives and safety. National organizations have made recommendations for their use, but both physicians and their patients do not fully understand either breast cancer risk factors or risk assessment or the indications for using risk-reducing agents. Histologically predisposing conditions, such as ductal or lobular atypia and lobular carcinoma in situ, impart particularly high risks of developing subsequent invasive breast cancer...
July 24, 2017: Cancer Prevention Research
https://www.readbyqxmd.com/read/28731046/pd-l1-expression-and-the-immune-microenvironment-in-primary-invasive-lobular-carcinomas-of-the-breast
#17
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/28730766/comparison-of-prognosis-and-clinical-features-between-synchronous-bilateral-and-unilateral-breast-cancers
#18
Yusuf Karakas, Neyran Kertmen, Sahin Lacin, Alma Aslan, Metin Demir, Ozturk Ates, Sercan Aksoy, Kadri Altundag
PURPOSE: The clinical significance of synchronous bilateral breast cancer (SBBC) is unclear and its influence on prognosis is controversial. Our study objective was to determine the epidemiological features, tumor characteristics, and prognosis of SBBC in comparison with those of unilateral breast cancer (UBC). METHODS: A total of 3675 breast cancer patients diagnosed and treated between 2000 and 2014 were evaluated. Of these patients, 132 (3.6%) had bilateral breast cancer, including 55 patients (1...
May 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28724391/hormone-receptor-status-of-a-first-primary-breast-cancer-predicts-contralateral-breast-cancer-risk-in-the-wecare-study-population
#19
Anne S Reiner, Charles F Lynch, Julia S Sisti, Esther M John, Jennifer D Brooks, Leslie Bernstein, Julia A Knight, Li Hsu, Patrick Concannon, Lene Mellemkjær, Marc Tischkowitz, Robert W Haile, Ronglai Shen, Kathleen E Malone, Meghan Woods, Xiaolin Liang, Monica Morrow, Jonine L Bernstein
BACKGROUND: Previous population-based studies have described first primary breast cancer tumor characteristics and their association with contralateral breast cancer (CBC) risk. However, information on influential covariates such as treatment, family history of breast cancer, and BRCA1/2 mutation carrier status was not available. In a large, population-based, case-control study, we evaluated whether tumor characteristics of the first primary breast cancer are associated with risk of developing second primary asynchronous CBC, overall and in subgroups of interest, including among BRCA1/2 mutation non-carriers, women who are not treated with tamoxifen, and women without a breast cancer family history...
July 19, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28720418/invasive-lobular-breast-carcinoma-pleomorphic-versus-classical-subtype-associations-and%C3%A2-prognosis
#20
Ying L Liu, Christine Choi, Shing M Lee, Xiaobo Zhong, Hanina Hibshoosh, Kevin Kalinsky, Eileen P Connolly
BACKGROUND: Invasive pleomorphic lobular carcinoma (IPLC) has been associated with a worse prognosis compared with classic invasive lobular carcinoma (cILC); however, studies are small and conflicting. We seek to examine the prognosis of women with IPLC compared with cILC. METHODS: A retrospective review of women with breast cancer at a single institution from 2003 to 2012 identified 193 women with invasive lobular carcinoma (ILC). IPLC was defined as ILC with a pathological description of primarily pleomorphic features and Nottingham histological grade score of 7, 8, or 9 or overall grade of 3 or mixed classic/pleomorphic features and overall grade of 3...
June 23, 2017: Clinical Breast Cancer
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