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https://www.readbyqxmd.com/read/28819909/adjunctive-breast-specific-gamma-imaging-for-detecting-cancer-in-women-with-calcifications-at-mammography
#1
Hyun Woo Chung, Young So, Jung-Hyun Yang, Kyoung Sik Park, Young Bum Yoo, Nami Choi, Mi Young Kim, Jayoun Kim, Eun Jeong Lee
BACKGROUND: Mammography detects calcium deposits sensitively, but the specificity for differentiating malignancy from benign calcifications is low. Thus, we investigated whether adjunctive breast-specific gamma imaging (BSGI) has incremental value for detecting cancer in women with suspicious calcifications detected by mammography, and compared BSGI with adjunctive ultrasonography (US). METHODS: The medical records of women without a personal history of breast cancer who underwent mammography for breast evaluation from 2009 to 2014 were reviewed retrospectively...
August 17, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28819781/comparison-of-synthetic-mammography-reconstructed-from-digital-breast-tomosynthesis-and-digital-mammography-evaluation-of-lesion-conspicuity-and-bi-rads-assessment-categories
#2
Giovanna Mariscotti, Manuela Durando, Nehmat Houssami, Mirella Fasciano, Alberto Tagliafico, Davide Bosco, Cristina Casella, Camilla Bogetti, Laura Bergamasco, Paolo Fonio, Giovanni Gandini
PURPOSE: To compare the interpretive performance of synthetic mammography (SM), reconstructed from digital breast tomosynthesis (DBT), and full-field digital mammography (FFDM) in a diagnostic setting, covering different conditions of breast density and mammographic signs. METHODS: A retrospective analysis was conducted on 231 patients, who underwent FFDM and DBT (from which SM images were reconstructed) between September 2014-September 2015. The study included 250 suspicious breast lesions, all biopsy proven: 148 (59...
August 17, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28819518/-a-rare-case-of-giant-galactocele-associated-with-prolactinoma
#3
Mariam Tayae, Jihad Jamor
Galactocele is a rare cystic formation, a benign breast lesion, occurring when breast duct is blocked and engorged. It generally affects postpartum women, either breastfeeding or not. Only a few cases have been reported in the literature and they were not related to lactation, as in the case of postmenopausal women or of men; moreover, their relationship to the overproduction of prolactin, a growth factor stimulating mammary epithelial cells, is not very well defined at this time. We here report the unusual case of a 30-year old patient with no personal history of childbirth or abortion...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28815201/benign-papilloma-of-the-breast
#4
Moshe Sadofsky
The following fictional case is intended as a learning tool within the Pathology Competencies for Medical Education (PCME), a set of national standards for teaching pathology. These are divided into three basic competencies: Disease Mechanisms and Processes, Organ System Pathology, and Diagnostic Medicine and Therapeutic Pathology. For additional information, and a full list of learning objectives for all three competencies, see http://journals.sagepub.com/doi/10.1177/2374289517715040.
January 2017: Acad Pathol
https://www.readbyqxmd.com/read/28812461/soft-tissue-perineurioma-in-a-child-with-neurofibromatosis-type-1-a-case-report-and-review-of-the-literature
#5
Mudher Al-Adnani
Soft tissue perineurioma is a rare benign peripheral nerve sheath tumor, especially in children. This manuscript presents an unusual case of soft tissue perineurioma in a 10-year-old boy with neurofibromatosis type 1. The patient presented with a lump in the region of the right breast. A subcutaneous, well circumscribed mass was removed. The cut surface was cream with a vaguely nodular appearance. Histology showed a spindle cell lesion with variable architecture and biphasic morphology. There was no nuclear atypia or pleomorphism...
September 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28806416/the-impact-of-malignant-nipple-discharge-cytology-ndc-in-surgical-management-of-breast-cancer-patients
#6
Isabella Castellano, Jasna Metovic, Davide Balmativola, Laura Annaratone, Nelson Rangel, Elena Vissio, Riccardo Arisio, Luigia Macrì, Carla Pecchioni, Ivana Sarotto, Francesca Montarolo, Francesca Muscarà, Caterina Marchiò, Paola Cassoni, Janina Kulka, Anna Sapino
BACKGROUND: The role of nipple discharge cytology (NDc) in the surgical management of breast cancer patients is unclear. We aimed: (i) to evaluate the effect of malignant NDc on the surgical approach to the nipple-areola complex, and (ii) to verify the association between malignant NDc and nipple malignancy. METHODS: We retrospectively analyzed a case series of 139 patients with NDc who underwent breast surgery. The clinical and histological findings, types of surgery with emphasis on nipple-areola complex amputation, immunohistochemical phenotypes of the carcinomas and measurements of the tumor-nipple distance were recorded...
2017: PloS One
https://www.readbyqxmd.com/read/28804937/breast-tumor-classification-based-on-a-computerized-breast-imaging-reporting-and-data-system-feature-system
#7
Mengyun Qiao, Yuzhou Hu, Yi Guo, Yuanyuan Wang, Jinhua Yu
OBJECTIVES: This work focused on extracting novel and validated digital high-throughput features to present a detailed and comprehensive description of the American College of Radiology Breast Imaging Reporting and Data System (BI-RADS) with the goal of improving the accuracy of ultrasound breast cancer diagnosis. METHODS: First, the phase congruency approach was used to segment the tumors automatically. Second, high-throughput features were designed and extracted on the basis of each BI-RADS category...
August 14, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28802529/breast-lesions-diagnosis-using-diffusion-weighted-imaging-at-1-5t-and-3-0t-systematic-review-and-meta-analysis
#8
Run-Yang Shi, Qiu-Ying Yao, Lian-Ming Wu, Jian-Rong Xu
INTRODUCTION: We compared the diagnostic performance of diffusion weighted imaging (DWI) acquired with 1.5T and 3.0T magnetic resonance (MR) units in differentiating malignant breast lesions from benign ones. MATERIALS AND METHODS: A comprehensive search of the PubMed and Embase databases was performed for studies reported from January 1, 2000 to February 19, 2016. The quality of the included studies was assessed. Statistical analysis included pooling of diagnostic sensitivity and specificity and assessing data inhomogeneity and publication bias...
July 5, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28801296/-efficacy-of-ultrasound-guided-vacuum-assisted-mammotome-excision-for-management-of-benign-breast-diseases-analysis-of-1267-cases
#9
Shu Liu, Jia-Li Zou, Fu-Lin Zhou, Yan-Man Fang
OBJECTIVE: To assess the clinical value of ultrasound-guided vacuum-assisted Mammotome (MMT) system for surgical resection of benign breast disease. METHODS: This retrospective study was conducted among 1267 patients who underwent minimally invasive surgery with ultrasound-guided MMT system for benign breast disease at our center between January, 2009 and January, 2014. The resection rate, incidence of complication, recurrence rate, patients' satisfaction, clinical follow-up results and risk factors were analyzed...
August 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28798985/nanostring-based-breast-cancer-risk-prediction-for-women-with-sclerosing-adenosis
#10
Stacey J Winham, Christine Mehner, Ethan P Heinzen, Brendan T Broderick, Melody Stallings-Mann, Aziza Nassar, Robert A Vierkant, Tanya L Hoskin, Ryan D Frank, Chen Wang, Lori A Denison, Celine M Vachon, Marlene H Frost, Lynn C Hartmann, E Aubrey Thompson, Mark E Sherman, Daniel W Visscher, Amy C Degnim, Derek C Radisky
PURPOSE: Sclerosing adenosis (SA), found in ¼ of benign breast disease (BBD) biopsies, is a histological feature characterized by lobulocentric proliferation of acini and stromal fibrosis and confers a two-fold increase in breast cancer risk compared to women in the general population. We evaluated a NanoString-based gene expression assay to model breast cancer risk using RNA derived from formalin-fixed, paraffin-embedded (FFPE) biopsies with SA. METHODS: The study group consisted of 151 women diagnosed with SA between 1967 and 2001 within the Mayo BBD cohort, of which 37 subsequently developed cancer within 10 years (cases) and 114 did not (controls)...
August 10, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28798325/virtual-touch-tissue-imaging-and-quantification-value-in-malignancy-prediction-for-complex-cystic-and-solid-breast-lesions
#11
Ying Zhang, Chong-Ke Zhao, Xiao-Long Li, Ya-Ping He, Wei-Wei Ren, Cai-Ping Zou, Yue-Wu Du, Hui-Xiong Xu
This study was aimed to evaluatethe usefulness of conventional ultrasound (US) and US elastography, including the latest virtual touch tissue imaging and quantification (VTIQ), in malignancy prediction for complex cystic and solid breast lesions. Eighty-nine complex cystic and solid breast lesions were subject to conventional US and US elastography, including strain elastography (SE), virtual touch tissue imaging (VTI) and VTIQ. Among the 89 lesions, thirty-four (38.2%) lesions were malignant and 55 (61.8%) lesions were benign...
August 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28798096/activation-of-tissue-plasminogen-activator-by-metastasis-inducing-s100p-protein
#12
Christopher Clarke, Stephane R Gross, Thamir M Ismail, Philip S Rudland, Morteta Al-Medhtiy, Michael Santangeli, Roger Barraclough
S100P protein in human breast cancer cells is associated with reduced patient survival and, in a model system of metastasis, it confers a metastatic phenotype upon benign mammary tumour cells. S100P protein possesses a C-terminal lysine residue. Using a multiwell in vitro assay, S100P is now shown for the first time to exhibit a strong, C-terminal-lysine-dependent activation of tissue plasminogen activator (tPA), but not of urokinase-catalysed plasminogen activation.  The presence of 10 mM calcium ions stimulates tPA activation of plasminogen 2-fold in an S100P-dependent manner...
August 10, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28797220/a-review-of-ultrasound-tissue-characterization-with-mean-scatterer-spacing
#13
Zhuhuang Zhou, Weiwei Wu, Shuicai Wu, Kebin Jia, Po-Hsiang Tsui
Tissues exhibiting quasi-periodic structures can be modeled as a collection of diffuse scatterers and coherent scatterers. The mean scatterer spacing (MSS) of coherent and quasi-periodic components is directly related to tissue microstructure and has become an important quantitative ultrasound (QUS) parameter in the characterization of quasi-periodic tissues. In this paper, a review of the literature on the development of MSS as a QUS parameter was conducted. First, a unified theoretical background of MSS estimates was provided...
September 2017: Ultrasonic Imaging
https://www.readbyqxmd.com/read/28796627/automated-breast-ultrasound-lesions-detection-using-convolutional-neural-networks
#14
Moi Hoon Yap, Gerard Pons, Joan Marti, Sergi Ganau, Melcior Sentis, Reyer Zwiggelaar, Adrian K Davison, Robert Marti
Breast lesion detection using ultrasound imaging is considered an important step of Computer-Aided Diagnosis systems. Over the past decade, researchers have demonstrated the possibilities to automate the initial lesion detection. However, the lack of a common dataset impedes research when comparing the performance of such algorithms. This paper proposes the use of deep learning approaches for breast ultrasound lesion detection and investigates three different methods: a Patch-based LeNet, a U-Net, and a transfer learning approach with a pretrained FCN-AlexNet...
August 7, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28796549/association-of-brca-mutation-types-imaging-features-and-pathologic-findings-in-patients-with-breast-cancer-with-brca1-and-brca2-mutations
#15
Su Min Ha, Eun Young Chae, Joo Hee Cha, Hak Hee Kim, Hee Jung Shin, Woo Jung Choi
OBJECTIVE: The purpose of this study is to retrospectively evaluate the relationships between the BRCA mutation types, imaging features, and pathologic findings of breast cancers in BRCA1 and BRCA2 mutation carriers. MATERIALS AND METHODS: We identified patients with breast cancer with BRCA gene mutations from January 2000 to December 2014. After excluding patients who underwent lesion excision before MRI, 99 BRCA1 and 103 BRCA2 lesions in 187 women (mean age, 39...
August 10, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28794686/tumor-infiltrating-leukocyte-density-is-independent-of-tumor-grade-and-molecular-subtype-in-aggressive-breast-cancer-of-western-kenya
#16
Rispah T Sawe, Simeon K Mining, Ayub V Ofulla, Kirtika Patel, Bernard Guyah, David Chumba, Jenifer R Prosperi, Maggie Kerper, Zonggao Shi, Mayra Sandoval-Cooper, Katherine Taylor, Sunil Badve, M Sharon Stack, Laurie E Littlepage
BACKGROUND: Tumors commonly are infiltrated by leukocytes, or tumor infiltrating leukocytes (TILs). It remains unclear, however, if the density and type of individual TILs has a direct or simply correlative role in promoting poor prognosis in breast cancer patients. Breast cancer in Kenyan women is aggressive with presentation at a young age, with advanced grade (grade III), large tumor size (>2.0 cm), and poor prognosis. We previously observed that the tumors were predominantly estrogen receptor positive (ER+) but also included both a high percentage of triple negative tumors and also increased immune cell infiltration within the tumors...
2017: Tropical Medicine and Health
https://www.readbyqxmd.com/read/28792892/eemd-domain-ar-spectral-method-for-mean-scatterer-spacing-estimation-of-breast-tumors-from-ultrasound-backscattered-rf-data
#17
Navid Ibtehaj Nizam, S Kaisar Alam, Md Kamrul Hasan
We present a novel method for estimating the mean scatterer spacing (MSS) of breast tumours using ensemble empirical mode decomposition (EEMD) domain analysis of deconvolved backscattered radio-frequency (RF) data. The autoregressive (AR) spectrum from which the MSS is estimated is obtained from the intrinsic mode functions (IMFs) due to regular scatterers embedded in RF data corrupted by the diffuse scatterers. The IMFs are chosen by giving priority to the presence of an enhanced fundamental harmonic and the presence of a greater number of higher harmonics in the AR spectrum estimated from the IMFs...
August 3, 2017: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/28792802/utility-of-bi-rads-assessment-category-4-subdivisions-for-screening-breast-mri
#18
Roberta M Strigel, Elizabeth S Burnside, Mai Elezaby, Amy M Fowler, Frederick Kelcz, Lonie R Salkowski, Wendy B DeMartini
OBJECTIVE: BI-RADS for mammography and ultrasound subdivides category 4 assessments by likelihood of malignancy into categories 4A (> 2% to ≤ 10%), 4B (> 10% to ≤ 50%), and 4C (> 50% to < 95%). Category 4 is not subdivided for breast MRI because of a paucity of data. The purpose of the present study is to determine the utility of categories 4A, 4B, and 4C for MRI by calculating their positive predictive values (PPVs) and comparing them with BI-RADS-specified rates of malignancy for mammography and ultrasound...
June 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28791998/-fibroepithelial-tumors-of-the-anogenital-mammary-like-glands
#19
A M Konstantinova, K V Shelekhova
Mammary-like glands are a normal anatomical component of the anogenital region. The tumors occurring in them morphologically mimic the similar diseases of the breast. The paper presents a case of vulvar fibroadenoma with leaf-like outgrowths and apocrine metaplasia in a 38-year-old female patient. It describes the clinical and morphological characteristics of fibroadenomas and benign phyllodes tumors in the anogenital region.
2017: Arkhiv Patologii
https://www.readbyqxmd.com/read/28783538/conceptual-data-sampling-for-breast-cancer-histology-image-classification
#20
Eman Rezk, Zainab Awan, Fahad Islam, Ali Jaoua, Somaya Al Maadeed, Nan Zhang, Gautam Das, Nasir Rajpoot
Data analytics have become increasingly complicated as the amount of data has increased. One technique that is used to enable data analytics in large datasets is data sampling, in which a portion of the data is selected to preserve the data characteristics for use in data analytics. In this paper, we introduce a novel data sampling technique that is rooted in formal concept analysis theory. This technique is used to create samples reliant on the data distribution across a set of binary patterns. The proposed sampling technique is applied in classifying the regions of breast cancer histology images as malignant or benign...
July 29, 2017: Computers in Biology and Medicine
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