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https://www.readbyqxmd.com/read/28099366/does-the-distribution-pattern-of-brain-metastases-during-braf-inhibitor-therapy-reflect-phenotype-switching
#1
Silvia A Haueis, Pascale Kränzlin, Joanna Mangana, Phil F Cheng, Mirjana Urosevic-Maiwald, Ralph P Braun, Mitchell P Levesque, Reinhard Dummer, Simone M Goldinger
Brain metastases (brain mets) are frequent in metastatic melanoma patients. The aim of this study was to investigate the morphology and progression pattern of brain mets in melanoma patients treated with BRAF inhibitors (BRAFi) compared with patients who did not receive targeted therapy (BRAFi group and control group). The number and size of brain mets were compared between a baseline and a comparative MRI at progression. The number of brain mets was grouped into seven number classes (N=1-4, N=5-10, N=11-20, N=21-30, N=31-40, N=41-50, and N>50) and its difference was reported as the change of class that occurred...
January 17, 2017: Melanoma Research
https://www.readbyqxmd.com/read/28098212/different-volumetric-measurement-methods-for-pituitary-adenomas-and-their-crucial-clinical-significance
#2
Chi-Cheng Chuang, Shinn-Yn Lin, Ping-Ching Pai, Jiun-Lin Yan, Cheng-Hong Toh, Shih-Tseng Lee, Kuo-Chen Wei, Zhuo-Hao Liu, Chung-Ming Chen, Yu-Chi Wang, Cheng-Chi Lee
Confirming the status of residual tumors is crucial. In stationary or spontaneous regression cases, early treatments are inappropriate. The long-used geometric calculation formula is 1/2 (length × width × height). However, it yields only rough estimates and is particularly unreliable for irregularly shaped masses. In our study, we attempted to propose a more accurate method. Between 2004 and 2014, 94 patients with pituitary tumors were enrolled in this retrospective study. All patients underwent transsphenoidal surgery and received magnetic resonance imaging (MRI)...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28087890/overview-of-the-benefits-and-potential-issues-of-the-nonavalent-hpv-vaccine
#3
REVIEW
Luciano Mariani, Mario Preti, Paolo Cristoforoni, Carlo M Stigliano, Antonio Perino
HPV-related diseases affect anogenital and oropharyngeal regions, heavily affecting the psychosexual dimension of both male and female individuals. HPV vaccination programs based on a bivalent or quadrivalent vaccine have opened broad perspectives for primary prevention. A nonavalent HPV vaccine (9vHPV), covering nine genotypes (HPV6, HPV11, HPV16, HPV18, HPV31, HPV33, HPV45, HPV52, and HPV58), might provide further improvement in terms of direct protection. In the present report, efficacy and safety data from 9vHPV vaccine development programs are examined...
December 7, 2016: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28078508/prioritization-of-liver-mri-for-distinguishing-focal-lesions
#4
Qinghua Su, Shusheng Bi, Xuedong Yang
Liver cancer is one of the leading causes of cancer-related mortality worldwide. Magnetic resonance imaging (MRI) is a non-invasive imaging technique that is often used by radiologists for diagnosis and surgical planning. Analysis of a large amount of liver MRI data for each patient limits the radiologist's efficiency and may lead to misdiagnoses. The redundant MRI data, especially from dynamic contrast enhanced (DCE) sequences, is also a bottleneck in transmitting the images via the internet or PACS for remote consultancy in a reasonable amount of time...
January 4, 2017: Science China. Life Sciences
https://www.readbyqxmd.com/read/28066600/white-light-autofluorescence-and-narrow-band-imaging-bronchoscopy-for-diagnosing-airway-pre-cancerous-and-early-cancer-lesions-a-systematic-review-and-meta-analysis
#5
Jianrong Zhang, Jieyu Wu, Yujing Yang, Hua Liao, Zhiheng Xu, Lindsey Tristine Hamblin, Long Jiang, Lieven Depypere, Keng Leong Ang, Jiaxi He, Ziyan Liang, Jun Huang, Jingpei Li, Qihua He, Wenhua Liang, Jianxing He
BACKGROUND: We aimed to summarize the diagnostic accuracy of white light bronchoscopy (WLB) and advanced techniques for airway pre-cancerous lesions and early cancer, such as autofluorescence bronchoscopy (AFB), AFB combined with WLB (AFB + WLB) and narrow-band imaging (NBI) bronchoscopy. METHODS: We searched for eligible studies in seven electronic databases from their date of inception to Mar 20, 2015. In eligible studies, detected lesions should be confirmed by histopathology...
November 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28049034/hypervascular-lesions-of-the-cerebellopontine-angle-the-relevance-of-angiography-as-a-diagnostic-and-therapeutic-tool-and-the-role-of-stereotactic-radiosurgery-in-management-a-comprehensive-review
#6
REVIEW
Yosef Laviv, Ajith Thomas, Ekkehard M Kasper
The cerebellopontine angle (CPA) is a narrowed skull base area, containing important cranial nerves and vessels and bordering with eloquent areas of the posterior fossa. Tumors of the CPA are a heterogeneous group and can arise extradural, intradural-extraaxial or intraaxial. Accordingly, their vascular supply changes, depending on their anatomical origin. Symptomatic, large CPA tumors require surgical resection in order to prevent irreversible, severe neurological damages. However, its tight and strategical location make surgery in the CPA very challenging and require appropriate pre-surgical planning...
December 31, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/28039465/crabp-ii-enhances-pancreatic-cancer-cell-migration-and-invasion-by-stabilizing-interleukin-8-expression
#7
Shuiliang Yu, Neetha Parameswaran, Ming Li, Yiwei Wang, Mark W Jackson, Huiping Liu, Wei Xin, Lan Zhou
Our previous study shows that cellular retinoic acid binding protein II (CRABP-II) is overexpressed in pancreatic ductal adenocarcinoma (PDAC) and pre-cancerous lesions, but not detected in normal pancreatic tissues. In this study, we show that deletion of CRABP-II in PDAC cells by CRISPR/Cas9 does not affect cancer cell proliferation, but decreases cell migration and invasion. Gene expression microarray analysis reveals that IL-8 is one of the top genes whose expression is down-regulated upon CRABP-II deletion, while expression of MMP-2 and MMP-14, two targets of IL-8 are also significantly down-regulated...
December 26, 2016: Oncotarget
https://www.readbyqxmd.com/read/28039412/cervical-neoplasia-in-systemic-lupus-erythematosus-a-nationwide-study
#8
Hjalmar Wadström, Elizabeth V Arkema, Christopher Sjöwall, Johan Askling, Julia F Simard
OBJECTIVE: The aim was to examine the risk of cervical neoplasia in women with SLE, overall and with respect to treatment, compared with women from the general population. METHODS: By linking national Swedish registers, we assembled a cohort including women with SLE (n = 4976) and matched general population comparators (n = 29 703). Two subcohorts of treated SLE patients were defined on the basis of treatment with antimalarials (n = 1942) and other immunosuppressants (AZA, CYC, ciclosporin, MTX, MMF or rituximab; n = 2175)...
December 30, 2016: Rheumatology
https://www.readbyqxmd.com/read/28018765/effect-of-multidisciplinary-case-conferences-on-physician-decision-making-breast-diagnostic-rounds
#9
Tianne J Foster, Antoine Bouchard-Fortier, Ivo A Olivotto, May Lynn Quan
PURPOSE: To evaluate the utility of multidisciplinary case conferences (MCCs) on physician decision making in benign and malignant breast disease management. METHODS:  Patients with interesting or challenging diagnostic or management issues were discussed at biweekly diagnostic breast MCCs. Prior to discussion, a clinical summary and intended management plan prior to the MCC was presented. For each case, diagnostic images/histopathology were centrally reviewed after which group discussion achieved a management consensus which was documented prospectively...
November 24, 2016: Curēus
https://www.readbyqxmd.com/read/28007674/the-current-role-of-in-vivo-reflectance-confocal-microscopy-within-the-continuum-of-actinic-keratosis-and-squamous-cell-carcinoma-a-systematic-review
#10
Kim P Nguyen, Malou Peppelman, Lisa Hoogedoorn, Piet E J Van Erp, Marie-Jeanne P Gerritsen
BACKGROUND: Clinical differentiation between actinic keratosis (AK), squamous cell carcinoma (SCC) in situ, and invasive SCC and its variants may be difficult. Reflectance confocal microscopy (RCM) is a non-invasive technique for in vivo skin imaging. OBJECTIVES: To explicate the diagnostic and monitoring use of RCM within the spectrum of AK and SCC, and evaluate the accuracy of RCM for these diagnoses relative to histopathology. MATERIALS & METHODS: A systematic literature search was performed in PubMed, EMBASE, the Cochrane Library, and Web of Science databases...
December 1, 2016: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/27984121/an-s100p-positive-biliary-epithelial-field-is-a-pre-invasive-intraepithelial-neoplasm-in-nodular-sclerosing-cholangiocarcinoma
#11
Yasuni Nakanuma, Tsuneyuki Uchida, Yasunori Sato, Katsuhiko Uesaka
Nodular sclerosing cholangiocarcinoma (NS-CCA) is a common CCA of the intrahepatic large, perihilar and distal bile ducts. Intraepithelial biliary neoplasms, such as the mucosal extension of carcinoma and pre-invasive neoplastic lesions (i.e. biliary intraepithelial neoplasia [BilIN]) reportedly occur in the bile ducts around CCA. In the present study, we collectively refer to these intraepithelial lesions as "intraepithelial neoplasms of the bile duct (IENBs)". We examined the IENBs in 57 surgically resected cases of NS-CCA...
October 28, 2016: Human Pathology
https://www.readbyqxmd.com/read/27979875/predictors-of-death-in-contemporary-adult-patients-with-eisenmenger-syndrome-a-multicentre-study
#12
Aleksander Kempny, Cristel S Hjortshøj, Hong Gu, Wei Li, Alexander R Opotowsky, Michael Landzberg, Annette S Jensen, Lars Søndergaard, Mette-Elise Estensen, Ulf Thilén, Werner Budts, Barbara J Mulder, Ilja M Blok, Lidia Tomkiewicz-Pajak, Kamil Szostek, Michele D'Alto, Giancarlo Scognamiglio, Katja Prokšelj, Gerhard-Paul Diller, Konstantinos Dimopoulos, Stephen J Wort, Michael A Gatzoulis
BACKGROUND: -Eisenmenger syndrome (ES) is associated with substantial morbidity and mortality. There is no consensus, however, on mortality risk stratification. We aimed to investigate survival and predictors of death in a large, contemporary cohort of ES patients. METHODS: -We identified in a multicentre approach adults with ES under follow-up between 2000 and 2015. We examined survival and its association with clinical, electrocardiographic, echocardiographic and laboratory parameters...
December 15, 2016: Circulation
https://www.readbyqxmd.com/read/27965714/doppler-ultrasound-in-kidney-diseases-a-key-parameter-in-clinical-long-term-follow-up
#13
REVIEW
Leonardo Spatola, Simeone Andrulli
Doppler ultrasound has been extensively used in detecting reno-vascular diseases, showing to be a non-invasive, safe, low cost and repeatable tool. The Renal Resistive Index (RRI) [(peak systolic velocity - end diastolic velocity)/peak systolic velocity] is a semi-quantitative index derived by Doppler evaluation of renal vascular bed. Normally RRI is in the range of 0.47-0.70, it increases with aging and, usually, it shows a difference between the two kidneys less than 5-8 %. RRI is an important prognostic marker in chronic kidney diseases (CKD), both in diabetic and non-diabetic kidney diseases, because, in longitudinal prospective studies, it significantly correlated with hemodynamic (ABPM, SBP, DBP, pulse pressure) and histopathological parameters (glomerular sclerosis, arteriolosclerosis, interstitial fibrosis/tubular atrophy, interstitial infiltration)...
December 2016: Journal of Ultrasound
https://www.readbyqxmd.com/read/27939984/risk-of-cervical-intra-epithelial-neoplasia-and-invasive-cancer-of-the-cervix-in-des-daughters
#14
J Verloop, F E van Leeuwen, Th J M Helmerhorst, I M C M de Kok, E J M van Erp, H H van Boven, M A Rookus
OBJECTIVE: Women exposed to diethylstilbestrol in utero (DES) have an increased risk of clear cell adenocarcinoma (CCA) of the vagina and cervix, while their risk of non-CCA invasive cervical cancer is still unclear. METHODS: We studied the risk of pre-cancerous (CIN) lesions and non-CCA invasive cervical cancer in a prospective cohort of 12,182 women with self-reported DES exposure followed from 2000 till 2008. We took screening behavior carefully into account...
December 7, 2016: Gynecologic Oncology
https://www.readbyqxmd.com/read/27917752/genetic-and-environmental-factors-in-invasive-cervical-cancer-design-and-methods-of-a-classical-twin-study
#15
Dorothy A Machalek, John D Wark, Sepehr N Tabrizi, John L Hopper, Minh Bui, Gillian S Dite, Alyssa M Cornall, Marian Pitts, Dorota Gertig, Bircan Erbas, Suzanne M Garland
BACKGROUND: Persistent high-risk human papillomavirus (HPV) infection is a necessary prerequisite for development of cervical cancer and its precursor lesion, high-grade squamous intraepithelial lesion (HSIL). However, HPV infection is not sufficient to drive this process, and genetic and environmental factors may also play a role. METHODS/DESIGN: The Cervical Cancer, Genetics and Environment Twin Study was established to investigate the environmental and genetic influences on variation in susceptibility to cervical pre-cancer in 25- to 69-year-old monozygotic (MZ) and dizygotic (DZ) twins recruited through the Australian Twin Registry...
December 5, 2016: Twin Research and Human Genetics: the Official Journal of the International Society for Twin Studies
https://www.readbyqxmd.com/read/27904700/detection-of-gene-copy-number-alterations-in-dcis-and-invasive-breast-cancer-by-qm-fish
#16
Aifeng Pan, Yawei Zhou, Kun Mu, Yansong Liu, Feifei Sun, Peng Li, Li Li
The exact roles of copy number alteration (CNA) in initiation, progression and immunotherapy of breast cancer and the genomic alterations behind progression from ductal carcinoma in situ (DCIS) to invasive carcinoma remain unknown. Quantitative multi-gene fluorescence in situ hybridization (QM-FISH) opens a possibility of large scale genomic analysis of specific deletions and amplifications with high-resolution at one cell level. We detected CNAs of 30 genes using QM-FISH and analyzed their association with clinicopathological parameters and patients' outcomes in 66 breast cancers with synchronous invasive carcinoma and DCIS...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27896250/clinical-efficacy-of-photodynamic-therapy
#17
Ye-Kyu Park, Choong-Hak Park
OBJECTIVE: The management of cervical intraepithelial neoplasia (CIN) and early invasive cancer of the uterine cervix is very difficult to approach, especially in case of young woman who wants to preserve her fertility. Conization of the cervix may have various kinds of disadvantage. The objective of this clinical retrospective study is to investigate the therapeutic effects and clinical efficacy of photodynamic therapy (PDT) including combined chemo-photodynamic therapy in patients with pre-malignant CIN and malignant invasive cervical cancer...
November 2016: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/27895728/quantitative-contrast-enhanced-ultrasonography-for-the-differential-diagnosis-of-endometrial-hyperplasia-and-endometrial-neoplasms
#18
Ying Liu, Yi Xu, Wen Cheng, Xinghan Liu
The present study aimed to investigate the feasibility of applying contrast-enhanced ultrasonography (CEUS) imaging technology for distinguishing between benign and malignant endometrial lesions, and to screen markers that could be correlated with the pathological results. In this study, endometrial diseases were diagnosed by biopsy under hysteroscopy and CEUS examinations. The intensity and time parameters of the time-intensity curve (TIC) were analyzed. The mean arrival time (AT), time-to-peak (TTP), rise time (RT), washout half-time and clearance half-time of malignant lesions were shorter than those of benign lesions (P<0...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27891079/contribution-of-tms-and-rtms-in-the-understanding-of-the-pathophysiology-and-in-the-treatment-of-dystonia
#19
REVIEW
Pierre Lozeron, Aurélia Poujois, Alexandra Richard, Sana Masmoudi, Elodie Meppiel, France Woimant, Nathalie Kubis
Dystonias represent a heterogeneous group of movement disorders responsible for sustained muscle contraction, abnormal postures, and muscle twists. It can affect focal or segmental body parts or be generalized. Primary dystonia is the most common form of dystonia but it can also be secondary to metabolic or structural dysfunction, the consequence of a drug's side-effect or of genetic origin. The pathophysiology is still not elucidated. Based on lesion studies, dystonia has been regarded as a pure motor dysfunction of the basal ganglia loop...
2016: Frontiers in Neural Circuits
https://www.readbyqxmd.com/read/27881676/cytoplasmic-localization-of-proline-glutamic-acid-leucine-rich-protein-1-pelp1-induces-breast-epithelial-cell-migration-through-up-regulation-of-inhibitor-of-%C3%AE%C2%BAb-kinase-%C3%AF%C2%B5-and-inflammatory-cross-talk-with-macrophages
#20
Brian J Girard, Todd P Knutson, Bethanie Kuker, Laura McDowell, Kathryn L Schwertfeger, Julie H Ostrander
Cytoplasmic localization of proline, glutamic acid, leucine-rich protein 1 (PELP1) is observed in ∼40% of women with invasive breast cancer. In mouse models, PELP1 overexpression in the mammary gland leads to premalignant lesions and eventually mammary tumors. In preliminary clinical studies, cytoplasmic localization of PELP1 was seen in 36% of women at high risk of developing breast cancer. Here, we investigated whether cytoplasmic PELP1 signaling promotes breast cancer initiation in models of immortalized human mammary epithelial cells (HMECs)...
January 6, 2017: Journal of Biological Chemistry
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