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https://www.readbyqxmd.com/read/28539035/the-performance-of-serum-biomarkers-for-predicting-fibrosis-in-patients-with-chronic-viral-hepatitis
#1
Chang Seok Bang, Ha Yan Kang, Gyu Ho Choi, Suk Bae Kim, Wonae Lee, Il Han Song
Background/Aims: The invasiveness of a liver biopsy and its inconsistent results have prompted efforts to develop noninvasive tools to evaluate the severity of chronic hepatitis. This study was intended to assess the performance of serum biomarkers for predicting liver fibrosis in patients with chronic viral hepatitis. Methods: A total of 302 patients with chronic hepatitis B or C, who had undergone liver biopsy, were retrospectively enrolled. We investigated the diagnostic accuracy of several clinical factors for predicting advanced fibrosis (F≥3)...
May 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28533703/differential-expression-of-vegfr2-protein-in-her2-positive-primary-human-breast-cancer-potential-relevance-to-anti-angiogenic-therapies
#2
Aejaz Nasir, Timothy R Holzer, Mia Chen, Michael Z Man, Andrew E Schade
BACKGROUND: Clinically relevant predictive biomarkers to tailor anti-angiogenic therapies to breast cancer (BRC) patient subpopulations are an unmet need. METHODS: We analyzed tumor vascular density and VEGFR2 protein expression in various subsets of primary human BRCs (186 females; Mean age: 59 years; range 33-88 years), using a tissue microarray. Discrete VEGFR2+ and CD34+ tumor vessels were manually scored in invasive ductal, lobular, mixed ductal-lobular and colloid (N = 139, 22, 18, 7) BRC cores...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28532920/endoscopic-endonasal-resection-of-a-mixedlesion-of-gangliocytoma-and-non-functioning-pituitary-adenoma
#3
Li-Jun Heng, Dong Jia, Li Gong, Wei Zhang, Jie Ma, Yan Qu
BACKGROUND: The coexistence of a gangliocytoma and a pituitary adenoma is a rare event, which has only been studied in case reports previously. The knowledge of its diagnosis and treatment is extremely limited. CASE DESCRIPTION: We present a rare case of intrasellar-suprasellar gangliocytoma and non-functioning pituitary adenoma. The lesion was preoperatively diagnosed as a pituitary adenoma and resected using the extended endoscopic endonasal approach. We could clearly observe two different textures inside the tumor...
May 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28528509/invasive-lobular-carcinoma-with-extracellular-mucin-production-a-novel-pattern-of-lobular-carcinomas-of-the-breast-clinico-pathological-description-of-eight-cases
#4
Gábor Cserni, Giuseppe Floris, Nektarios Koufopoulos, Anikó Kovács, Afroditi Nonni, Peter Regitnig, Anders Stahls, Zsuzsanna Varga
Invasive lobular carcinoma of the breast is known to produce intracellular mucin and has been recognized in single-case reports to show extracellular mucin production, as well. This latter morphology is not only rare but must also be under- or misdiagnosed. The aim was to better characterize this entity. Cases of lobular cancers demonstrating extracellular mucin formation were identified in a multi-institutional effort and their clinical and morphologic features were assessed. Immunohistochemistry was used to characterize the E-cadherin-membrane complex, neuroendocrine differentiation, and to some extent, mucin formation...
May 20, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28527397/mri-surveillance-for-women-with-dense-breasts-and-a-previous-breast-cancer-and-or-high-risk-lesion
#5
Michelle Nadler, Hyder Al-Attar, Ellen Warner, Anne L Martel, Sharmila Balasingham, Liying Zhang, Joseph H Lipton, Belinda Curpen
BACKGROUND: The role of surveillance breast MRI for women with mammographically dense breasts, a personal history of breast cancer (BC), atypical hyperplasia (AH), or lobular carcinoma in situ (LCIS) is unclear. We estimated the performance of annual surveillance MRI in women with a combination of these risk factors. METHODS: We performed a retrospective review of the clinical, radiological, and pathological parameters of women who received annual concurrent surveillance breast MRI and mammography between 04/2013 and 12/2015 and fulfilled all of the following criteria: 1) age <70; 2) prior diagnosis of AH, LCIS or BC; 3) heterogeneously or extremely dense breast(s); and 4) did not qualify for our provincial breast MRI high risk screening program...
May 17, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28521436/comparative-study-between-ultrasound-guided-fine-needle-aspiration-cytology-of-axillary-lymph-nodes-and-sentinel-lymph-node-histopathology-in-early-stage-breast-cancer
#6
Lívio Portela Cardoso-Coelho, Rafael Soares Borges, Airlane Pereira Alencar, Larysse Maira Cardoso-Campos-Verdes, João Paulo da Silva-Sampaio, Umbelina Soares Borges, Luiz Henrique Gebrim, Benedito Borges da Silva
The replacement of sentinel lymph node biopsy (SNB) by ultrasound-guided fine-needle aspiration (US-guided FNA) cytology of axillary lymph nodes is controversial, despite the simplicity and reduced cost of the latter. In the present study, US-guided FNA was performed in 27 patients with early-stage breast cancer for comparison with SNB. Data were analyzed by calculation of sample proportions. Tumor subtypes included invasive ductal carcinoma (85%), invasive lobular carcinoma (7%), and tubular and metaplastic carcinoma (4%)...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28516226/benefit-of-adding-digital-breast-tomosynthesis-to-digital-mammography-for-breast-cancer-screening-focused-on-cancer-characteristics-a-meta-analysis
#7
REVIEW
Seong Jong Yun, Chang-Woo Ryu, Sun Jung Rhee, Jung Kyu Ryu, Ji Young Oh
PURPOSE: We evaluated the benefit of adding digital breast tomosynthesis (DBT) to full-field digital mammography (FFDM) compared to FFDM alone for breast cancer detection, focusing on cancer characteristics. METHODS: We searched electronic databases and relevant references for published studies comparing DBT plus FFDM to FFDM alone for breast cancer screening. Pooled risk ratios (RRs) for various pathologic findings were determined using random effects models. RESULTS: Eleven eligible studies were included...
May 18, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28511393/utility-of-tru-cut-biopsy-of-breast-lesions-an-experience-in-a-regional-cancer-center-of-a-developing-country
#8
Sagarika Samantaray, Niharika Panda, Kusumabati Besra, Lucy Pattanayak, Subrat Samantara, Sashibhusan Dash
INTRODUCTION: Tru-cut Needle Biopsy (TCB) is an integral part of triple assessment of breast cancer, which includes clinical assessment, mammography and TCB or Core Needle Biopsy (CNB). The technique is reliable, simple, and reproducible, and inexpensive, which can be adapted even for low-income group of patients and in developing countries. AIM: This study was done to establish the efficacy of TCB of palpable breast lesions in a developing country where mammography is not possible in all cases...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28508291/lobular-homology-in-cerebellar-hemispheres-of-humans-non-human-primates-and-rodents-a-structural-axonal-tracing-and-molecular-expression-analysis
#9
REVIEW
Yuanjun Luo, Hirofumi Fujita, Hermina Nedelescu, Mohammad Shahangir Biswas, Chika Sato, Sarah Ying, Mayu Takahashi, Keiichi Akita, Tatsuya Higashi, Ichio Aoki, Izumi Sugihara
Comparative neuroanatomy provides insights into the evolutionary functional adaptation of specific mammalian cerebellar lobules, in which the lobulation pattern and functional localization are conserved. However, accurate identification of homologous lobules among mammalian species is challenging. In this review, we discuss the inter-species homology of crus I and II lobules which occupy a large volume in the posterior cerebellar hemisphere, particularly in humans. Both crus I/II in humans are homologous to crus I/II in non-human primates, according to Paxinos and colleagues; however, this area has been defined as crus I alone in non-human primates, according to Larsell and Brodal...
May 15, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28507578/lobular-carcinoma-in-situ-of-the-breast-correlation-between-minimally-invasive-biopsy-and-final-pathology
#10
Bartłomiej Szynglarewicz, Piotr Kasprzak, Agnieszka Hałoń, Rafał Matkowski
INTRODUCTION: Lobular carcinoma in situ (LCIS) is regarded as a non-obligate precursor of invasive breast cancer (IBC). Hence, the optimal management of LCIS found on minimally invasive breast biopsy remains a subject of debate. The aim of this study was to evaluate the correlation of biopsy findings with postoperative histology and to identify risk factors for upstaging to IBC. MATERIAL AND METHODS: Twenty-seven patients with pure LCIS diagnosed on image-guided biopsy (vacuum-assisted or core-needle) underwent subsequent surgery...
April 1, 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28506052/-renal-cell-carcinoma-with-retroperitoneal-metastases-and-renal-invasion-from-breast-cancer-a-case-report
#11
Go Noguchi, Yoko Saito, Taku Mitome, Susumu Umemoto, Ayano Kakazu, Tomoko Sugiyama, Teiichiro Ueki
A 67-year-old female was hospitalized with back pain. Computed tomography (CT) incidentally revealed a tumor in her left kidney tumor (33 mm) and bilateral breast tumors. She underwent a breast biopsy and was diagnosed with breast cancer (invasive lobular cancer, cT2N0M0). The renal tumor was suspected to be clear cell carcinoma, cT1aN0M0, based on contrast-enhanced CT. Surgery was considered necessary for both the breast cancer and renal tumor. First, laparoscopic radical nephrectomy was performed for the renal tumor...
April 2017: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/28500986/intradermal-invasive-lobular-carcinoma-presenting-not-everything-in-the-skin-is-benign
#12
Jennifer Wells Eaton, Michele B Drotman, Rachel M Sales, Elizabeth Kagan Arleo
In this case report, the history and imaging of two patients with invasive lobular carcinoma (ILC) in the skin are presented, followed by a discussion of both benign and malignant intradermal findings on breast ultrasound. Although the majority of dermal findings are benign, these cases are a reminder that malignancy can manifest within the skin. The purpose of presenting these cases together is to remind breast imagers of the importance of considering malignancy in the differential diagnosis of intradermal lesions on breast ultrasound, especially in special circumstances such as a personal history of breast cancer or associated clinical findings...
May 5, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28499276/augmented-expression-of-polo-like-kinase-1-indicates-poor-clinical-outcome-for-breast-patients-a-systematic-review-and-meta-analysis
#13
REVIEW
Zhang Yunfeng, Wu Zhibin, Liu Dapeng, Wang Meng, Xiao Guodong, Wang Peili, Sun Xin, Ren Hong, Tang Shou-Ching, Du Ning
Polo-like kinases 1 (PLK1), a key regulator of mitosis, plays an essential role in maintaining genomic stability. Up-regulation of PLK1 was found in tumorigenesis and tumor progression of diverse cancers. However, the clinicopathological and prognostic implications of PLK1 in breast cancer (BC) have yet to be unveiled. Therefore, using PubMed, Web of Science, Embase, and Chinese databases, we conducted a meta-analysis to define the potential clinical value of PLK1 in BC. Eleven eligible articles with 2481 patients enrolled were included in the present meta-analysis, of which eight studies reported on the relationship between PLK1 expression and clinicopathological features, and nine studies provided survival data in BC patients...
April 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28493297/the-error-analysis-of-lobular-and-segmental-division-of-right-liver-by-volume-measurement
#14
Jianfei Zhang, Weigang Lin, Yanyan Chi, Nan Zheng, Qiang Xu, Guowei Zhang, Shengbo Yu, Chan Li, Bin Wang, Hongjin Sui
The aim of this study is to explore the inconsistencies between right liver volume as measured by imaging and the actual anatomical appearance of the right lobe. Five healthy donated livers were studied. The liver slices were obtained with hepatic segments multicolor-infused through the portal vein. In the slices, the lobes were divided by two methods: radiological landmarks and real anatomical boundaries. The areas of the right anterior lobe (RAL) and right posterior lobe (RPL) on each slice were measured using Photoshop CS5 and AutoCAD, and the volumes of the two lobes were calculated...
May 10, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28490610/mechanisms-of-insulin-resistance-in-primary-and-secondary-non-alcoholic-fatty-liver
#15
Tomas Jelenik, Kirti Kaul, Gilles Séquaris, Ulrich Flögel, Esther Phielix, Jörg Kotzka, Birgit Knebel, Pia Fahlbusch, Tina Hörbelt, Stefan Lehr, Anna Lena Reinbeck, Dirk Müller-Wieland, Irene Esposito, Gerald I Shulman, Julia Szendroedi, Michael Roden
Non-alcoholic fatty liver disease (NAFLD) is associated with hepatic insulin resistance and may result primarily from increased hepatic de novo lipogenesis (PRIM) or secondarily from adipose-tissue lipolysis (SEC). We studied mice with hepatocyte- or adipocyte-specific sterol regulatory-element binding protein-1c (SREBP-1c) overexpression as models of PRIM and SEC. PRIM mice featured increased lipogenic gene expression in liver and adipose tissue. Their selective, liver-specific insulin resistance was associated with increased C18:1-diacylglycerol (DAG) content and protein kinase C (PKC)ε translocation...
May 10, 2017: Diabetes
https://www.readbyqxmd.com/read/28483578/mhc-ii-but-not-mhc-ii-hepatic-stellate-cells-contribute-to-liver-fibrosis-of-mice-in-infection-with-schistosoma-japonicum
#16
Chun-Lei Zhou, De-Long Kong, Jin-Feng Liu, Zhong-Kui Lu, Hong-Fei Guo, Wei Wang, Jing-Fan Qiu, Xin-Jian Liu, Yong Wang
Hepatic stellate cells (HSCs) are considered as the main effector cells in vitamin A metabolism and liver fibrosis, as well as in hepatic immune regulation. Recently, researches have revealed that HSCs have plasticity and heterogeneity, which depend on their lobular location and whether liver is normal or injured. This research aimed to explore the biological characteristics and heterogeneity of HSCs in mice with Schistosoma japonicum (S. japonicum) infection, and determine the subpopulation of HSCs in pathogenesis of hepatic fibrosis caused by S...
May 5, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28482133/estimating-the-probability-of-clonal-relatedness-of-pairs-of-tumors-in-cancer-patients
#17
Audrey Mauguen, Venkatraman E Seshan, Irina Ostrovnaya, Colin B Begg
Next generation sequencing panels are being used increasingly in cancer research to study tumor evolution. A specific statistical challenge is to compare the mutational profiles in different tumors from a patient to determine the strength of evidence that the tumors are clonally related, that is, derived from a single, founder clonal cell. The presence of identical mutations in each tumor provides evidence of clonal relatedness, although the strength of evidence from a match is related to how commonly the mutation is seen in the tumor type under investigation...
May 8, 2017: Biometrics
https://www.readbyqxmd.com/read/28476053/transmission-of-donor-derived-breast-carcinoma-as-a-recurrent-mass-in-a-keratolimbal-allograft
#18
Audra K Miller, Jonathan W Young, David J Wilson, Jennifer Dunlap, Winston Chamberlain
PURPOSE: To report a case of local transmission of invasive lobular carcinoma from a donor to a recipient in a keratolimbal allograft after cessation of systemic immunosuppressive therapy. METHODS: This is a case report including the clinicopathologic findings. Sections of the donor breast tumor and recipient conjunctival lesions were stained with hematoxylin and eosin. Immunohistochemical studies were performed using pancytokeratin, CK7, CK20, CAM 5.2, CD138, TTF1, estrogen receptor, progesterone receptor, GATA-3, GCDFP-15, and mammaglobin...
June 2017: Cornea
https://www.readbyqxmd.com/read/28475933/surgical-implications-and-variability-in-the-use-of-the-flat-epithelial-atypia-diagnosis-on-breast-biopsy-specimens
#19
Laura S Samples, Mara H Rendi, Paul D Frederick, Kimberly H Allison, Heidi D Nelson, Thomas R Morgan, Donald L Weaver, Joann G Elmore
OBJECTIVES: Flat epithelial atypia (FEA) is a relatively new diagnostic term with uncertain clinical significance for surgical management. Any implied risk of invasive breast cancer associated with FEA is contingent upon diagnostic reproducibility, yet little is known regarding its use. MATERIALS AND METHODS: Pathologists in the Breast Pathology Study interpreted one of four 60-case test sets, one slide per case, constructed from 240 breast biopsy specimens. An electronic data form with standardized diagnostic categories was used; participants were instructed to indicate all diagnoses present...
May 3, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28470724/evolutionary-mechanisms-that-generate-morphology-and-neural-circuit-diversity-of-the-cerebellum
#20
REVIEW
Masahiko Hibi, Koji Matsuda, Miki Takeuchi, Takashi Shimizu, Yasunori Murakami
The cerebellum is derived from the dorsal part of the anterior-most hindbrain. The vertebrate cerebellum contains glutamatergic granule cells (GCs) and gamma-aminobutyric acid (GABA)ergic Purkinje cells (PCs). These cerebellar neurons are generated from neuronal progenitors or neural stem cells by mechanisms that are conserved among vertebrates. However, vertebrate cerebella are widely diverse with respect to their gross morphology and neural circuits. The cerebellum of cyclostomes, the basal vertebrates, has a negligible structure...
May 4, 2017: Development, Growth & Differentiation
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