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https://www.readbyqxmd.com/read/29672601/expression-of-immune-checkpoint-regulators-cytotoxic-t-lymphocyte-antigen-4-ctla-4-and-programmed-death-ligand-1-pd-l1-in-female-breast-carcinomas
#1
Ari Kassardjian, Peter I Shintaku, Neda A Moatamed
BACKGROUND: Immune checkpoint regulators, cytotoxic T lymphocyte antigen 4 (CTLA-4) and the programmed cell death protein-1/programmed death-ligand 1 (PD-1/PD-L1) have emerged as promising new targets for cancer therapeutics. While tumor expression of PD-L1 has been shown to have objective responses to anti-PD-L1 immunotherapies, the clinical implications of CTLA-4 expression in tumor cells or immune cells in the tumor microenvironment is still controversial. We investigated the expression of CTLA-4 and PD-L1 in human breast tumors and provided a scoring system for the systematic evaluation of CTLA-4 staining...
2018: PloS One
https://www.readbyqxmd.com/read/29659011/immune-system-augmentation-via-humanization-using-stem-progenitor-cells-and-bioengineering-in-a-breast-cancer-model-study
#2
Abbas Shafiee, Jacqui A McGovern, Christoph A Lahr, Christoph Meinert, Davide Moi, Ferdinand Wagner, Marietta Landgraf, Elena De-Juan-Pardo, Roberta Mazzieri, Dietmar W Hutmacher
Despite significant advances, most current in vivo models fail to fully recapitulate the biological processes that occur in humans. Here we aimed to develop an advanced humanized model with features of an organ bone by providing different bone tissue cellular compartments including pre-osteoblasts, mesenchymal stem/stromal (MSCs), endothelial and hematopoietic cells in an engineered microenvironment. The bone compartment was generated by culturing the human MSCs, umbilical vein endothelial cells with gelatin methacryloyl hydrogels in the centre of a melt-electrospun polycaprolactone tubular scaffolds which were seeded with human pre-osteoblasts...
April 16, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29650834/-asynchronous-bilateral-neuroendocrine-breast-carcinoma-a-case-report
#3
Kaori Abe, Satoshi Mori, Yumi Koyama, Mayuko Takagi, Keita Adachi, Yukiko Hara, Eiko Waga, Katsuhisa Enomoto, Ryouichi Tomita, Shigeru Fujisaki, Tomohiro Hirano, Kenichi Sakurai
We report a case of asynchronous bilateral neuroendocrine breast carcinoma. The patient was a 49-year-old woman presenting with a bloody nipple discharge from the right breast. We suspected intraductal papilloma and performed a microdochectomy. A pathological analysis of the resected specimen confirmed the diagnosis as neuroendocrine carcinoma. The tumor was positive for estrogen receptor, progesterone receptor, chromogranin A, and synaptophysin, but negative for the HER2/neu marker. The Ki-67 labeling-index was 40%...
April 2018: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29622847/estrogen-regulates-mitochondrial-morphology-through-phosphorylation-of-dynamin-related-protein-1-in-mcf7-human-breast-cancer-cells
#4
Phyu Synn Oo, Yuya Yamaguchi, Akira Sawaguchi, Myat Tin Htwe Kyaw, Narantsog Choijookhuu, Mohmand Noor Ali, Naparee Srisowanna, Shin-Ichiro Hino, Yoshitaka Hishikawa
Estrogen affects mitochondrial function in various tissues, but the precise mechanism remains unclear. We, therefore investigated the effect on estrogen-regulated mitochondrial morphology by dynamin-related protein 1 (Drp1) and its Ser616-phosphorylated derivative (pDrp1Ser616 ) are involved in mitochondrial fission. MCF7 human breast cancer cells were treated with 17β-estradiol (E2 ), an estrogen receptor (ER) α and β antagonist (ICI 182, 780), an ERα antagonist (MPP), and an ERβ antagonist (PHTPP) for 24 hr...
February 27, 2018: Acta Histochemica et Cytochemica
https://www.readbyqxmd.com/read/29593813/the-role-of-vitamin-e-in-the-prevention-of-zoledronic-acid-induced-nephrotoxicity-in-rats-a-light-and-electron-microscopy-study
#5
İbrahim Unal Sert, Ozcan Kilic, Murat Akand, Lutfi Saglik, Mustafa Cihat Avunduk, Esra Erdemli
Introduction: Bisphosphonates are widely used in metastatic cancer such as prostate and breast cancer, and their nephrotoxic effects have been established previously. In this study we aimed to evaluate both the nephrotoxic effects of zoledronic acid (ZA) and the protective effects of vitamin E (Vit-E) on this process under light and electron microscopy. Material and methods: A total of 30 male Sprague-Dawley rats were divided into 3 groups. The first group constituted the control group...
March 2018: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/29532008/associations-between-genomic-stratification-of-breast-cancer-and-centrally-reviewed-tumour-pathology-in-the-metabric-cohort
#6
A Mukherjee, R Russell, Suet-Feung Chin, B Liu, O M Rueda, H R Ali, G Turashvili, B Mahler-Araujo, I O Ellis, S Aparicio, C Caldas, E Provenzano
The integration of genomic and transcriptomic profiles of 2000 breast tumours from the METABRIC [Molecular Taxonomy of Breast Cancer International Consortium] cohort revealed ten subtypes, termed integrative clusters (IntClust/s), characterised by distinct genomic drivers. Central histopathology ( N  = 1643) review was undertaken to explore the relationship between these ten molecular subtypes and traditional clinicopathological features. IntClust subtypes were significantly associated with histological type, tumour grade, receptor status, and lymphocytic infiltration ( p  < 0...
2018: NPJ Breast Cancer
https://www.readbyqxmd.com/read/29528718/distribution-of-21-gene-recurrence-scores-among-breast-cancer-histologic-subtypes
#7
Scott Kizy, Jing Li Huang, Schelomo Marmor, Anne Blaes, Jianling Yuan, Heather Beckwith, Todd M Tuttle, Jane Yuet Ching Hui
CONTEXT: - The 21-gene recurrence score (RS) provides a probability of distant recurrence for estrogen receptor-positive, human epidermal growth factor receptor 2 (HER2)-negative breast cancers. The utility of RS for rarer histologic subtypes of breast cancer is uncertain. OBJECTIVE: - To determine the distribution of RS among various histologic subtypes using a population database. DESIGN: - Women between the ages of 18 and 75 with estrogen receptor-positive, HER2-negative breast cancer and known RS results were identified using the Surveillance, Epidemiology, and End Results database...
March 12, 2018: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/29491608/polymorphous-adenocarcinoma-of-the-oral-cavity-a-skeptical-case-mimicking-lobular-carcinoma-of-breast-and-gastric-carcinoma
#8
Purnima Vadla, Sankeerthana Pathipaka, Jayakiran Madala, Venkateswara Rao Guttikonda
Polymorphous adenocarcinoma (PAC) is a distinctive salivary gland neoplasm that predominantly occurs in the minor salivary glands. The tumor is characterized by cytological uniformity, morphological diversity, an infiltrative growth pattern and low metastatic potential. It presents as an asymptomatic, slow- growing mass within the oral cavity. This salivary gland tumor is difficult to diagnose both clinically and histopathologically due to its indolent presentation and diverse architectural pattern which includes various microscopic patterns namely- solid, ductal-tubular, cribriform, trabecular and single-file growth...
January 2018: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/29476580/the-case-for-the-omission-of-axillary-staging-in-invasive-breast-carcinoma-that-exhibits-a-predominant-tubular-growth-pattern-on-preoperative-biopsy
#9
Saed Ramzi, Elaine L Hyett, Abigail S Wheal, Peter J Cant
True invasive tubular breast carcinoma (TBC) is unlikely to metastasize to axillary nodes, yet it is routinely subjected to sentinel lymph node biopsy (SLNB), even if the diagnosis was suspected preoperatively. The positive predictive value (PPV) of core biopsy for TBC and the incidence and predictors of axillary metastasis in invasive breast carcinomas identified as tubular-rich on core biopsy are unknown. Prospective patient and tumor data regarding postoperatively confirmed TBCs, and tubular-rich carcinoma identified on preoperative core biopsy between January 2005 and May 2016 was analyzed retrospectively...
February 24, 2018: Breast Journal
https://www.readbyqxmd.com/read/29467479/flat-epithelial-atypia-in-directional-vacuum-assisted-biopsy-of-breast-microcalcifications-surgical-excision-may-not-be-necessary
#10
Zulfia McCroskey, Nour Sneige, Carolyn R Herman, Ross A Miller, Luz A Venta, Jae Y Ro, Mary R Schwartz, Alberto G Ayala
The aim of this study was to analyze the clinicopathological features of patients with flat epithelial atypia, diagnosed in directional vacuum-assisted biopsy targeting microcalcifications, to identify upgrade rate to in situ ductal or invasive breast carcinoma, and determine factors predicting carcinoma in the subsequent excision. We retrospectively evaluated the histological, clinical, and mammographic features of 69 cases from 65 women, with directional vacuum-assisted biopsy-diagnosed flat epithelial atypia with or without atypical ductal hyperplasia or atypical lobular hyperplasia, which underwent subsequent surgical excision...
February 21, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29413404/comparison-of-failure-patterns-between-tubular-breast-carcinoma-and-invasive-ductal-carcinoma-krog-14-25
#11
Won Kyung Cho, Doo Ho Choi, Jieun Lee, Won Park, Yong Bae Kim, Chang-Ok Suh, Kyung Hwan Shin, Seung Hyuck Jeon, Kyubo Kim, Kyung Ran Park, Jin Hee Kim, Sung Ja Ahn, Won Sup Yoon, Dae Sik Yang, Juree Kim, Jong Hoon Lee, Ji Woon Yea
PURPOSE: Information on tubular carcinoma (TC) of breast is limited due to its rarity. A multi-institutional study was performed to investigate the prognosis and failure patterns of TC compared to invasive ductal carcinoma (IDC). MATERIALS AND METHODS: We collected retrospective data on 205 patients with TC from eleven institutions. For each TC case, 3 cases with IDC were matched according to similar size, t-stage, and n-stage from the same institution. Patterns of failure, disease free survival (DFS) and overall survival (OS) were assessed and compared between the groups...
January 30, 2018: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/29394532/-a-case-of-breast-cancer-with-local-recurrence-in-the-reconstructed-breast-tissue
#12
Gen Tsujio, Shinichiro Kashiwagi, Takaharu Hatano, Yuka Asano, Wataru Goto, Koji Takada, Satoru Noda, Tsutomu Takashima, Naoyoshi Onoda, Hisashi Motomura, Kosei Hirakawa, Masaichi Ohira
The rate of local recurrence after mastectomy is reportedly similar to that of one-stage reconstruction. Most recurrences are in the skin or chest wall, while recurrence in the reconstructed breast is rare and the causes are uncertain. We report a case of a 42-year-old female who underwent partial mastectomy for left breast cancer with cT4aN0M1(PUL), cStage IV after endocrine therapy 3 years ago. Histopathological diagnosis was solid-tubular carcinoma. She had been treated with only endocrine therapy but diagnosed with local recurrence in the left breast...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29381437/diagnosis-and-treatment-of-75-patients-with-idiopathic-lobular-granulomatous-mastitis
#13
Jieqing Li
Idiopathic granulomatous lobular matitis (IGLM) is a rare non-specific inflammatory disease of the breast. Although IGLM is completely benign, it is easily confused with cancer due to progressive breast lump with firmly unilateral and discrete mass, nipple retraction and sinus formation. Patients with IGLM are usually associated with inflammation of the overlying skin. This study aimed to investigate the clinical characteristics of IGLM, treatment options and prognosis. From January 2010 to February 2015, 75 IGLM patients in our hospital were included, with an average age of 35...
January 30, 2018: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/29330972/immunohistochemical-evaluation-of-oestrogen-receptors-in-adenoid-cystic-carcinoma-of-salivary-gland
#14
Hasan Mujtaba, Muhammad Atique, Iffat Batool, Muhammad Farooq Umer
Background: Oestrogen has a physiological role throughout the body including oral cavity. The effects are mediated by binding to two receptors in nucleus alpha and beta, which are ligand-activated transcription factors. The alpha receptors have a prognostic significance in cancer of breast while in Adenoid cystic carcinoma of salivary glands the results are inconsistent. This study was conducted to determine the oestrogen receptor Alpha staining in adenoid cystic carcinoma of salivary gland...
October 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/29322118/mr-imaging-features-of-tubular-carcinoma-preliminary-experience-in-twelve-masses
#15
Ravza Yılmaz, Zuhal Bayramoğlu, Selman Emirikçi, Semen Önder, Artur Salmaslıoğlu, Memduh Dursun, Gülden Acunaş, Vahit Özmen
Objective: We retrospectively analyzed the magnetic resonance (MR) imaging features and diffusion-weighted imaging findings of the 12 masses of 10 patients with tubular carcinoma (TC), including mammography and sonography findings. Materials and Methods: Mammographic, sonographic and magnetic resonance imaging features in 12 histopathologically confirmed masses diagnosed as TC of the breast within 10 patients were evaluated. Morphologic characteristics, enhancement features, apparent diffusion coefficient (ADC) values were reviewed...
January 2018: European Journal of Breast Health
https://www.readbyqxmd.com/read/29322114/characteristics-of-special-type-breast-tumors-in-our-center
#16
Tonguç Utku Yılmaz, Levent Trabzonlu, Sertaç Ata Güler, Mehmet Ali Baran, Gökhan Pösteki, Cengiz Erçin, Zafer Utkan
Objective: Breast cancer is a heterogeneous disease with different histological types. Ductal breast cancer constitutes the vast majority of the breast cancers. However limited data are present in the rest of breast cancers called special or rare type breast cancers. Here in this study, we tried to describe the clinical features of special type breast cancers in our center. Materials and Methods: Retrospective descriptive study was performed in Kocaeli University School of Medicine, Department of General Surgery between January 2000 and January 2016...
January 2018: European Journal of Breast Health
https://www.readbyqxmd.com/read/29251639/mammary-analog-secretory-carcinoma-with-etv6-rearrangement-arising-in-the-conjunctiva-and-eyelid
#17
Yongyang Bao, Jiang Li, Yanbo Zhu
Mammary analog secretory carcinoma (MASC) of salivary gland is a recently described neoplasm that morphologically and immunohistochemically resembles secretory carcinoma of the breast. Genetically, both of them harbor ETV-6-NTRK-3 fusion rearrangement. One case of primary MASCs arising from the eyelid is reported. The patient was a 52-year-old man. Microscopically, the tumor exhibited nodular aggregation of solid, tubular, and microcystic/macrocystic structures. Characteristic "colloid-like" eosinophilic secretory material was present within intraluminal spaces...
November 28, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/29221345/a-rare-mixed-breast-cancer-of-intraductal-and-solid-papillary-with-tubular-carcinoma-histotypes-in-a-young-woman
#18
Xiaohui Zhang, Jie Shi, Yidong Zhou, Feng Mao, Yan Lin, Jinghong Guan, Zhiyong Liang, Qiang Sun
Mixed breast cancer, especially of uncommon breast cancer histotypes, is rare, limiting our understanding of the disease and influencing diagnostic and management outcomes. We report a case of mixed breast cancer, with features of intraductal and solid papillary and tubular carcinomas, which appeared in a young patient. Physical examination, ultrasonography, molybdenum target mammography, and histopathology were performed for a definitive diagnosis. Tumor resection followed by radiotherapy and adjuvant chemotherapy was selected as the therapeutic strategy, and the patient was followed up thrice post treatment...
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29205352/characteristics-and-long-term-survival-of-patients-diagnosed-with-pure-tubular-carcinoma-of-the-breast
#19
Éric Poirier, Christine Desbiens, Brigitte Poirier, Dominique Boudreau, Simon Jacob, Julie Lemieux, Catherine Doyle, Caroline Diorio, Jean-Charles Hogue, Louise Provencher
BACKGROUND AND OBJECTIVES: Pure tubular carcinomas (TC) of the breast are generally considered to have an excellent prognosis. This study aimed to analyze the characteristics and survival of patients with TC. METHODS: This was a retrospective study conducted at the CHU de Québec-Université Laval. Databases were searched for all cases treated between April 1997 and December 2010. Survival was retrieved from the Province of Quebec Ministry of Health. Follow-up was censored on December 31, 2011...
December 4, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29202609/the-ability-of-pam50-risk-of-recurrence-score-to-predict-10-year-distant-recurrence-in-hormone-receptor-positive-postmenopausal-women-with-special-histological-subtypes
#20
Anne-Vibeke Laenkholm, Maj-Britt Jensen, Jens Ole Eriksen, Wesley Buckingham, Sean Ferree, Torsten O Nielsen, Bent Ejlertsen
INTRODUCTION: The Prosigna-PAM50 risk of recurrence (ROR) score has been validated in randomized clinical trials to predict 10-year distant recurrence (DR) in hormone receptor-positive breast cancer. Here, we examine the ability of Prosigna for predicting DR at 10 years in a subgroup of postmenopausal breast cancer patients with special histological subtypes. METHODS: Using the population based Danish Breast Cancer Group database, follow-up data were collected on all patients diagnosed from 2000 to 2003 with estrogen receptor (ER)-positive and human epidermal growth factor receptor 2 (HER2) normal breast cancer who by nationwide guidelines were treated with 5 year of endocrine therapy (N = 2558)...
January 2018: Acta Oncologica
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