keyword
MENU ▼
Read by QxMD icon Read
search

Lesion

keyword
https://www.readbyqxmd.com/read/29793212/should-we-excise-are-there-any-clinical-or-histologic-features-that-predict-upgrade-in-papillomas-incidental-or-non-incidental
#1
Michael Zaleski, Yun An Chen, Alison L Chetlen, Julie Mack, Liyan Xu, Daleela G Dodge, Dipti M Karamchandani
The clinical decision to excise intraductal papilloma (IDP) without atypia diagnosed on biopsy remains controversial. We sought to establish clinical and histologic predictors (if any) which may predict upgrade in IDP. 296 biopsies (in 278 women) with histologic diagnosis of IDP without atypia were retrospectively identified and placed into Incidental (no corresponding imaging correlate), or Non-incidental (positive imaging correlate) groups. 253/296 (85.5%) cases were non-incidental, and 43/296 (14.5%) were incidental...
May 11, 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29793134/voxel-based-automated-detection-of-focal-cortical-dysplasia-lesions-using-diffusion-tensor-imaging-and-t2-weighted-mri-data
#2
Yanming Wang, Yawen Zhou, Huijuan Wang, Jin Cui, Benedictor Alexander Nguchu, Xufei Zhang, Bensheng Qiu, Xiaoxiao Wang, Mingwang Zhu
The aim of this study was to automatically detect focal cortical dysplasia (FCD) lesions in patients with extratemporal lobe epilepsy by relying on diffusion tensor imaging (DTI) and T2-weighted magnetic resonance imaging (MRI) data. We implemented an automated classifier using voxel-based multimodal features to identify gray and white matter abnormalities of FCD in patient cohorts. In addition to the commonly used T2-weighted image intensity feature, DTI-based features were also utilized. A Gaussian processes for machine learning (GPML) classifier was tested on 12 patients with FCD (8 with histologically confirmed FCD) scanned at 1...
May 21, 2018: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29793015/right-atrial-anomalous-muscle-bundle-presenting-with-acute-superior-vena-cava-syndrome-and-pulmonary-embolism-surgical-management
#3
Jeko M Madjarov, Michael G Katz, Sophia Madjarova, Svetozar Madzharov, Frank R Arko, David W Miller, Francis Robicsek
BACKGROUND: An anomalous muscle bundle crossing the right atrial cavity represents a pathological finding with unproved clinical significance. This congenital anomaly may be difficult to recognize via echocardiography and could be confused with other intra-cavitary lesions. METHODS: We report a case of a 53-year-old female presented to the cardio-vascular service with acute superior vena cava syndrome and sub-massive pulmonary embolism. RESULTS: The patient underwent venography confirming superior vena cava stenosis...
May 21, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29792955/fisetin-alleviates-oxidative-stress-after-traumatic-brain-injury-via-the-nrf2-are-pathway
#4
Li Zhang, Handong Wang, Yali Zhou, Yihao Zhu, Maoxin Fei
Fisetin, a natural flavonoid, has neuroprotection properties in many brain injury models. However, its role in traumatic brain injury (TBI) has not been fully explained. In the present study, we aimed to explore the neuroprotective effects of fisetin in a mouse model of TBI. We found that fisetin improved neurological function, reduced cerebral edema, attenuated brain lesion and ameliorated blood-brain barrier (BBB) disruption after TBI. Moreover, the up-regulation of malondialdehyde (MDA) and the activity of glutathione peroxidase (GPx) were reversed by fisetin treatment...
May 21, 2018: Neurochemistry International
https://www.readbyqxmd.com/read/29792945/cross-linking-by-epichlorohydrin-and-diepoxybutane-correlates-with-cytotoxicity-and-leads-to-apoptosis-in-human-leukemia-hl-60-cells
#5
Phuong M Le, Vanesa L Silvestri, Samuel C Redstone, Jordanne B Dunn, Julie T Millard
The bifunctional alkylating agents epichlorohydrin (ECH) and diepoxybutane (DEB) have been linked to increased cancer risks in industrial workers. These compounds react with DNA and proteins, leading to genotoxic effects. We used the comet assay to monitor formation of cross-links in HL-60 cells treated with ECH, DEB, and the structurally related anti-cancer drug mechlorethamine (HN2). We report a time- and dose-dependent cytotoxicity that correlated with cross-linking activity, following the order HN2 > DEB > ECH...
May 21, 2018: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29792909/dermatofibrosarcoma-protuberans-a-retrospective-study-of-clinicopathological-features-and-related-akt-mtor-stat3-erk-cyclin-d1-and-pd-l1-expression
#6
Sunyoung Park, Soyun Cho, Minji Kim, Ji Ung Park, Eui Cheol Jeong, Euno Choi, Jeong Hwan Park, Cheol Lee, Mee Soo Chang
BACKGROUND: Little is known regarding oncoproteins other than PDGFβ in dermatofibrosarcoma protuberance (DFSP). Moreover, the risk factors for worse prognosis are controversial. OBJECTIVE: We sought to determine the clinicopathological features and key factors for adverse outcome in DFSP including the implication of Akt/mTOR, STAT3, ERK, cyclinD1, and PD-L1 expression. METHODS: Clinicopathological and immunohistochemical analyses were performed for 44 DFSPs having wide local excision along with 92 dermatofibromas as controls...
May 21, 2018: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29792743/lesions-of-ligamentum-teres-diagnostic-performance-of-mri-and-mr-arthrography-a-systematic-review-and-meta-analysis
#7
Delaram Shakoor, Sahar J Farahani, Nima Hafezi-Nejad, Alex Johnson, Dhananjay Vaidya, Harpal S Khanuja, John Eng, Shadpour Demehri
OBJECTIVE: The purpose of this study is to determine the diagnostic performance of MRI and MR arthrography for depicting ligamentum teres lesions. MATERIALS AND METHODS: A literature search was performed. Original studies reporting the diagnostic accuracy of MRI examinations for the depiction of ligamentum teres lesions were included. RESULTS: Eight studies entailing 1456 MRI examinations were included (frequency of median ligamentum teres injury, 25...
May 24, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29792741/mesenchymal-lesions-of-the-breast-what-radiologists-need-to-know
#8
Debra S Whorms, Michael D C Fishman, Priscilla J Slanetz
OBJECTIVE: Mesenchymal breast tumors originate from the various components of mammary stroma. The aim of this review is to discuss the clinical presentation, imaging appearance, and management of mesenchymal breast lesions. CONCLUSION: Although many mesenchymal tumors exhibit characteristic findings on imaging, others show nonspecific characteristics and require tissue biopsy for diagnosis. An awareness of the clinical and imaging presentation is essential in guiding the differential diagnosis and patient management...
May 24, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29792727/added-value-of-including-entire-brain-on-body-imaging-with-fdg-pet-mri
#9
Ana M Franceschi, Robert Matthews, Lev Bangiyev, Nand Relan, Ammar Chaudhry, Dinko Franceschi
OBJECTIVE: FDG PET/MRI examination of the body is routinely performed from the skull base to the mid thigh. Many types of brain abnormalities potentially could be detected on PET/MRI if the head was included. The objective of this study was therefore to identify and characterize brain findings incidentally detected on PET/MRI of the body with the head included. MATERIALS AND METHODS: We retrospectively identified 269 patients with FDG PET/MRI whole-body scans that included the head...
May 24, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29792725/novel-breast-imaging-and-machine-learning-predicting-breast-lesion-malignancy-at-cone-beam-ct-using-machine-learning-techniques
#10
Johannes Uhlig, Annemarie Uhlig, Meike Kunze, Tim Beissbarth, Uwe Fischer, Joachim Lotz, Susanne Wienbeck
OBJECTIVE: The purpose of this study is to evaluate the diagnostic performance of machine learning techniques for malignancy prediction at breast cone-beam CT (CBCT) and to compare them to human readers. SUBJECTS AND METHODS: Five machine learning techniques, including random forests, back propagation neural networks (BPN), extreme learning machines, support vector machines, and K-nearest neighbors, were used to train diagnostic models on a clinical breast CBCT dataset with internal validation by repeated 10-fold cross-validation...
May 24, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29792508/effects-of-tgf-%C3%AE-overexpression-via-raav-gene-transfer-on-the-early-repair-processes-in-an-osteochondral-defect-model-in-minipigs
#11
Magali Cucchiarini, Ann-Kathrin Asen, Lars Goebel, Jagadeesh K Venkatesan, Gertrud Schmitt, David Zurakowski, Michael D Menger, Matthias W Laschke, Henning Madry
BACKGROUND: Application of the chondrogenic transforming growth factor beta (TGF-β) is an attractive approach to enhance the intrinsic biological activities in damaged articular cartilage, especially when using direct gene transfer strategies based on the clinically relevant recombinant adeno-associated viral (rAAV) vectors. PURPOSE: To evaluate the ability of an rAAV-TGF-β construct to modulate the early repair processes in sites of focal cartilage injury in minipigs in vivo relative to control (reporter lacZ gene) vector treatment...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29792404/culotte-stenting-for-coronary-bifurcation-lesions-with-2nd-and-3rd-generation-everolimus-eluting-stents-the-celtic-bifurcation-study
#12
Simon J Walsh, Colm G Hanratty, Stuart Watkins, Keith G Oldroyd, Niall T Mulvihill, Mark Hensey, Alex Chase, Dave Smith, Nick Cruden, James C Spratt, Darren Mylotte, Tom Johnson, Jonathan Hill, Hafiz M Hussein, Kris Bogaerts, Marie-Claude Morice, David P Foley
AIMS: The aim of this study was to provide contemporary outcome data for patients with de novo coronary disease and Medina 1,1,1 lesions who were treated with a culotte two-stent technique, and to compare the performance of two modern-generation drug-eluting stent (DES) platforms, the 3-connector XIENCE and the 2-connector SYNERGY. METHODS AND RESULTS: Patients with Medina 1,1,1 bifurcation lesions who had disease that was amenable to culotte stenting were randomised 1:1 to treatment with XIENCE or SYNERGY DES...
May 24, 2018: EuroIntervention
https://www.readbyqxmd.com/read/29792402/bioabsorbable-polymer-everolimus-eluting-stents-in-patients-with-acute-myocardial-infarction-a-report-from-the-swedish-coronary-angiography-and-angioplasty-registry
#13
Sergio Buccheri, Giovanna Sarno, Bo Lagerqvist, Göran Olivecrona, Kristina Hambraeus, Nils Witt, Daniel Lindholm, David Erlinge, Oskar Angerås, Stefan James
AIMS: The clinical performance of the SYNERGY drug-eluting stent (DES) in patients with acute myocardial infarction (MI) has not been investigated in detail. We sought to report on the outcomes after SYNERGY DES (Boston Scientific, Marlborough, MA, USA) implantation in patients with MI undergoing percutaneous revascularisation (PCI). METHODS AND RESULTS: We included all consecutive patients with MI undergoing PCI with the SYNERGY DES and newer-generation DES (n-DES group) in Sweden...
May 24, 2018: EuroIntervention
https://www.readbyqxmd.com/read/29792391/role-of-neutrophils-in-equine-asthma
#14
Benjamin Uberti, Gabriel Morán
Neutrophilic bronchiolitis is the primary lesion in asthma-affected horses. Neutrophils are key actors in host defense, migrating toward sites of inflammation and infection, where they act as early responder cells toward external insults. However, neutrophils can also mediate tissue damage in various non-infectious inflammatory processes. Within the airways, these cells likely contribute to bronchoconstriction, mucus hypersecretion, and pulmonary remodeling by releasing pro-inflammatory mediators, including the cytokines interleukin (IL)-8 and IL-17, neutrophil elastase, reactive oxygen species (ROS), and neutrophil extracellular traps (NETs)...
May 24, 2018: Animal Health Research Reviews
https://www.readbyqxmd.com/read/29792345/dysembryoplastic-neuroepithelial-tumours-clinical-radiological-pathological-features-and-outcome
#15
Cihan Isler, Ozdem Erturk Cetin, Doga Ugurlar, Cigdem Ozkara, Nil Comunoglu, Osman Kizilkilic, Buge Oz, Yasemin Kayadibi, Taner Tanriverdi, Mustafa Uzan
OBJECT: To analyse the clinical, imaging and histopathological data of patients who were diagnosed to have Dysembrioplastic Neuroepithelial Tumour (DNET) and underwent surgery between 1995-2015. MATERIALS AND METHODS: Age at seizure onset, age at surgery, gender, disease duration, seizure outcome of 44 patients were analysed together with Magnetic Resonance Imaging (MRI) of 21 patients. MRI types were classified as type 1 (cystic/polycystic-like, well-delineated, strongly hypointense T1), type 2 (nodularlike,heterogeneous), type 3 (dysplastic-like, iso/hyposignal T1, poor delineation, gray-white matter blurring)...
May 24, 2018: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/29792277/the-case-a-69-year-old-man-with-bladder-carcinoma-and-renal-lesions
#16
Pierre Isnard, Hoang Minh Tran, Marie-Bénédicte Le Stang, Perrine Parize, Arnaud Méjean, Dominique Joly, Jean-Michel Correas, Marion Rabant, Mohamad Zaidan
No abstract text is available yet for this article.
June 2018: Kidney International
https://www.readbyqxmd.com/read/29792263/an-update-on-the-use-of-immunohistochemistry-and-molecular-pathology-in-the-diagnosis-of-pre-invasive-and-malignant-lesions-in-gynecological-oncology
#17
REVIEW
Emmanouil Kalampokas, Fiona Payne, Mahalakshmi Gurumurthy
OBJECTIVE: One of the most common challenges in everyday clinical practice of gynecological oncology is to identify the type and the primary origin of a tumor. This is a crucial step in the management, treatment, prognosis, and survival of patients suffering from a gynecological malignancy. Immunohistochemistry has been widely adopted over the last three decades in pathology laboratories all over the world. Recent advances in our understanding of the differentiation of gynecological tumors based on immunohistochemical expression have resulted in use of immunohistochemistry as a major diagnostic tool in gynecology, for precise tumor classification...
May 21, 2018: Gynecologic Oncology
https://www.readbyqxmd.com/read/29792228/field-evaluation-of-an-immunochromatographic-test-for-diagnosis-of-cystic-and-alveolar-echinococcosis
#18
Chun-Hua Gao, Jun-Yun Wang, Feng Shi, Dietmar Steverding, Xia Wang, Yue-Tao Yang, Xiao-Nong Zhou
BACKGROUND: The larval stages of the tapeworms Echinocoocus granulosus and Echinococcus multilocularis are the causative agents of human cystic echinococcosis (CE) and human alveolar echinococcosis (AE), respectively. Both CE and AE are chronic diseases characterised by long asymptomatic periods of many years. However, early diagnosis of the disease is important if treatment and management of echinococcosis patients are to be successful. METHODS: A previously developed rapid diagnostic test (RDT) for the differential detection of CE and AE was evaluated under field conditions with finger prick blood samples taken from 1502 people living in the Ganzi Tibetan Autonomous Prefecture, China, a region with a high prevalence for both forms of human echinococcosis...
May 23, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29792215/adding-left-atrial-appendage-closure-to-open-heart-surgery-provides-protection-from-ischemic-brain-injury-six-years-after-surgery-independently-of-atrial-fibrillation-history-the-laacs-randomized-study
#19
Jesper Park-Hansen, Susanne J V Holme, Akhmadjon Irmukhamedov, Christian L Carranza, Anders M Greve, Gina Al-Farra, Robert G C Riis, Brian Nilsson, Johan S R Clausen, Anne S Nørskov, Christina R Kruuse, Egill Rostrup, Helena Dominguez
BACKGROUND: Open heart surgery is associated with high occurrence of atrial fibrillation (AF), subsequently increasing the risk of post-operative ischemic stroke. Concomitant with open heart surgery, a cardiac ablation procedure is commonly performed in patients with known AF, often followed by left atrial appendage closure with surgery (LAACS). However, the protective effect of LAACS on the risk of cerebral ischemia following cardiac surgery remains controversial. We have studied whether LAACS in addition to open heart surgery protects against post-operative ischemic brain injury regardless of a previous AF diagnosis...
May 23, 2018: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/29792208/automated-chest-screening-based-on-a-hybrid-model-of-transfer-learning-and-convolutional-sparse-denoising-autoencoder
#20
Changmiao Wang, Ahmed Elazab, Fucang Jia, Jianhuang Wu, Qingmao Hu
OBJECTIVE: In this paper, we aim to investigate the effect of computer-aided triage system, which is implemented for the health checkup of lung lesions involving tens of thousands of chest X-rays (CXRs) that are required for diagnosis. Therefore, high accuracy of diagnosis by an automated system can reduce the radiologist's workload on scrutinizing the medical images. METHOD: We present a deep learning model in order to efficiently detect abnormal levels or identify normal levels during mass chest screening so as to obtain the probability confidence of the CXRs...
May 23, 2018: Biomedical Engineering Online
keyword
keyword
29430
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"