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https://www.readbyqxmd.com/read/29050457/skin-nodules-in-onset-of-acute-myeloid-leukemia-a-myelomonocytic-variant-case
#1
Floria Bertolini, Angelo Cassisa, Maria C Miggiano, Pierpaola Gasparin
No abstract text is available yet for this article.
December 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/29050399/diagnostic-criteria-for-chronic-lymphocytic-inflammation-with-pontine-perivascular-enhancement-responsive-to-steroids-clippers
#2
W Oliver Tobin, Yong Guo, Karl N Krecke, Joseph E Parisi, Claudia F Lucchinetti, Sean J Pittock, Jay Mandrekar, Divyanshu Dubey, Jan Debruyne, B Mark Keegan
Chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids (CLIPPERS) is a central nervous system inflammatory syndrome predominantly affecting the brainstem, cerebellum, and spinal cord. Following its initial description, the salient features of CLIPPERS have been confirmed and expanded upon, but the lack of formalized diagnostic criteria has led to reports of patients with dissimilar features purported to have CLIPPERS. We evaluated clinical, radiological and pathological features of patients referred for suspected CLIPPERS and propose diagnostic criteria to discriminate CLIPPERS from non-CLIPPERS aetiologies...
September 1, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29050339/aberrant-expression-of-oatp1b3-in-colorectal-cancer-liver-metastases-and-its-clinical-implication-on-gadoxetic-acid-enhanced-mri
#3
Seung Hyun Park, Honsoul Kim, Eun Kyung Kim, Hogeun Kim, Dong Kyu Choi, Yong Eun Chung, Myeong-Jin Kim, Jin-Young Choi
PURPOSE: To investigate the factors associated with hepatobiliary phase (HBP) enhancement at gadoxetic acid-enhanced magnetic resonance imaging (MRI) and to determine whether HBP images could be used to predict prognosis in patients with colorectal cancer liver metastasis (CRLM). RESULTS: Of the 96 total nodules, 65 and 31 nodules were in the mixed and clearly hypointense groups, respectively. In the 55 nodules without preoperative chemotherapy, organic anionic transporting polypeptide 1B3 (OATP1B3) expression was a significant factor regarding the HBP enhancement (P=0...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29050127/-immune-related-pneumonitis-caused-by-programmed-death-1-inhibitor-pembrolizumab-a-case-report-and-literature-review
#4
Y L Chen, J Zhao, R Jia, H Y Wang, J Zheng, C Q Bai, M Z Wang, J M Xu
Objective: To investigate the risk factors, clinical manifestations, radiological features, diagnosis, treatment and prognosis of immune-related pneumonitis caused by programmed death-1(PD-1)/PD-L1 inhibitors. Methods: The clinical data of immune-related pneumonitis caused by PD-1 inhibitor Pembrolizumab in a patient with advanced esophageal carcinoma admitted to the 307(th) Hospital of Chinese People's Liberation Army was retrospectively analyzed and the related literatures were reviewed. We searched Medline database using the keywords"PD-1 inhibitor","PD-L1 inhibitor","Pembrolizumab","Nivolumab","Atezolizumab"combined with"Pneumonitis"by Mar 31, 2017...
October 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/29049837/clinical-application-of-projection-mapping-technology-for-surgical-resection-of-lung-metastasis
#5
Toyofumi F Chen-Yoshikawa, Etsuro Hatano, Atsushi Yoshizawa, Hiroshi Date
Indocyanine green fluorescent image-guided surgery was developed to identify primary and metastatic nodules of various malignancies. However, currently, surgeons need to identify the fluorescent image on a monitor, which impedes surgical procedures. Herein, we developed a novel projection mapping device that can cast the real-time fluorescent image onto the surface of the targeted organ. We performed surgical resection of a lung metastasis of hepatoblastoma using this technique. The projection mapping technique clearly detected the pulmonary lesion, and no other lesions were identified in the ipsilateral thorax...
July 28, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29049613/hybrid-operating-room-dyna-computed-tomography-combined-image-guided-electromagnetic-navigation-bronchoscopy-dye-marking-and-hookwire-localization-video-assisted-thoracic-surgery-metastasectomy
#6
Calvin S H Ng, Cheuk Man Chu, Cheuk Kin Lo, Rainbow W H Lau
Hybrid operating room Dyna-computed tomography imaging is increasingly recognized as an important adjunct for management of small pulmonary lesions, either for biopsy or for localization to guide surgical resection. We describe for the first time the combined hybrid operating room Dyna-computed tomography image-guided electromagnetic navigation bronchoscopy dye marking and hookwire localization approach to localize multiple sub-centimetre nodules for video-assisted thoracic surgery metastasectomy. Furthermore, such complex set of procedures can be safely and effectively performed within one operating environment, maximizing work efficiency and minimizing the potential for complications...
September 27, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29049609/usefulness-of-near-infrared-angiography-for-identifying-the-intersegmental-plane-and-vascular-supply-during-video-assisted-thoracoscopic-segmentectomy
#7
Sébastien Guigard, Frédéric Triponez, Benoit Bédat, Jordi Vidal-Fortuny, Marc Licker, Wolfram Karenovics
OBJECTIVES: Segmentectomy by video-assisted thoracoscopic surgery (VATS) permits anatomical resection for diagnosis and treatment of small lung nodules but requires that intersegmental planes and segmental vessels be identified accurately. Near-infrared angiography with systemic injection of indocyanine green (ICG) can precisely identify the intersegmental plane. The purpose of this study was to confirm the usefulness of ICG angiography during VATS segmentectomy. METHODS: We retrospectively reviewed the records of 22 consecutive patients who underwent VATS segmentectomy performed with near-infrared angiography between November 2014 and October 2015...
September 6, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29049468/nationwide-variation-in-rates-of-thyroidectomy-among-us-medicare-beneficiaries
#8
David O Francis, Gregory Randolph, Louise Davies
Importance: Research on variation in rates of procedures across otherwise similar geographic regions provides vital insight into practice patterns. It reveals the degree of consensus on how a particular condition is managed, shows areas where access to care may be inadequate, and other areas where the population may be receiving inappropriately high levels of care. Objective: To test the hypothesis that rates of thyroid surgery vary across US geographic regions...
October 12, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/29049243/rare-case-of-pulmonary-lymphomatoid-granulomatosis-in-conjunction-with-tuberculosis-a-case-report
#9
Young Woo Ha, Chul Hwan Kim, Yong Park, Jang Wook Sohn, Min Ja Kim, Young Kyung Yoon
RATIONALE: Lymphomatoid granulomatosis is a very rare Epstein-Barr virus-driven lymphoproliferative disease. This disease has high mortality owing to its low incidence in conjunction with nonspecific presentations, which contribute to delays in diagnosis. PATIENT: An 87-year-old male had a week-long history of intermittent fever and general weakness. A chest radiograph showed multifocal patchy consolidations with nodular lesions. DIAGNOSES: Open lung biopsy using video-assisted thoracic surgery resulted in a diagnosis of grade III lymphomatoid granulomatosis...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29049239/clinical-features-and-diagnosis-of-chronic-pulmonary-aspergillosis-in-chinese-patients
#10
Xiaomeng Hou, Hong Zhang, Lei Kou, Wei Lv, Jingjing Lu, Ji Li
Chronic pulmonary aspergillosis (CPA) has recently been recognized as a significant global health burden. In China, the diagnosis of CPA is still unfamiliar to most doctors. The aim of this study was to demonstrate the clinical manifestations and diagnoses of CPA in China.A multidisciplinary team of doctors retrospectively screened 690 records of patients diagnosed with pulmonary aspergillosis from January 2000 to December 2016 at Peking Union Medical College Hospital, Beijing, China. Of these, 69 patients were diagnosed with CPA...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29047033/characterization-of-pulmonary-nodules-based-on-features-of-margin-sharpness-and-texture
#11
José Raniery Ferreira, Marcelo Costa Oliveira, Paulo Mazzoncini de Azevedo-Marques
Lung cancer is the leading cause of cancer-related deaths in the world, and one of its manifestations occurs with the appearance of pulmonary nodules. The classification of pulmonary nodules may be a complex task to specialists due to temporal, subjective, and qualitative aspects. Therefore, it is important to integrate computational tools to the early pulmonary nodule classification process, since they have the potential to characterize objectively and quantitatively the lesions. In this context, the goal of this work is to perform the classification of pulmonary nodules based on image features of texture and margin sharpness...
October 18, 2017: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/29046621/applying-a-statistical-method-in-transvaginal-ultrasound-training-lessons-from-the-learning-curve-cumulative-summation-test-lc-cusum-for-endometriosis-mapping
#12
Vered H Eisenberg, Juan L Alcazar, Nissim Arbib, Eyal Schiff, Reuven Achiron, Motti Goldenberg, David Soriano
BACKGROUND: Methods available for assessing the learning curve, such as a predefined number of procedures or direct mentoring are lacking. Our aim was to describe the use of a statistical method to identify the minimal training length of an experienced sonographer, newly trained in deep infiltrating endometriosis (DIE) mapping by evaluating the learning curve of transvaginal ultrasound (TVUS) in the preoperative assessment of endometriosis. METHODS: A retrospective study in a tertiary referral center for endometriosis...
2017: Gynecological Surgery
https://www.readbyqxmd.com/read/29046515/thyroid-fine-needle-aspiration-in-taiwan-the-history-and-current-practice
#13
Jen-Fan Hang, Chih-Yi Hsu, Chiung-Ru Lai
In Taiwan, thyroid cancer is the most common endocrine gland malignancy and the incidence of thyroid cancer has increased four-fold in the past two decades. Fine-needle aspiration is an accurate and cost-effective method of evaluating thyroid nodules and has been the gold-standard diagnostic tool for thyroid tumors in Taiwan since the 1980s. This article reviews the history, current practice, reporting systems, training, and quality assurance for thyroid fine-needle aspiration cytology in Taiwan.
October 18, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29046420/della1-gibberellin-signaling-regulates-cytokinin-dependent-symbiotic-nodulation
#14
Camille Fonouni-Farde, Anna Kisiala, Mathias Brault, R J Neil Emery, Anouck Diet, Florian Frugier
In legume plants, low nitrogen soils promote symbiotic interactions with rhizobial bacteria, leading to the formation of nitrogen-fixing root nodules. Amongst critical signals regulating this developmental process are bacterial Nod Factors (NFs) and several plant hormones, including cytokinins (CKs) and gibberellins (GAs). Here we show in Medicago truncatula that GA signaling mediated by DELLA1 decreases the amount of bioactive CKs in roots and negatively impacts the CRE1 (Cytokinin Response 1)-dependent NF activation of a subset of CK-signaling genes, as well as of the CK-regulated NSP2 (Nodulation Signaling pathway 2) and ERN1 (ERF required for Nodulation) early nodulation genes...
October 18, 2017: Plant Physiology
https://www.readbyqxmd.com/read/29046324/etv6-ntrk3-and-strn-alk-kinases-fusions-are-recurrent-events-in-papillary-thyroid-cancer-of-adult-population
#15
André U Bastos, Ana Carolina de Jesus, Janete Maria Cerutti
OBJECTIVE: PTC-specific analysis identified novel fusions involving RET, BRAF, NTRK1, NTRK3, AGK and ALK genes in adults and pediatric PTC. Although many novel fusions are PTC-specific event and, therefore, are ideal for diagnosis purposes, validation across additional and larger cohorts is essential for introducing these potential diagnostic or prognostic biomarkers into the clinical practice. As most of the BRAF, NTRK3 and ALK fusions were initially found in pediatric PTC or in more aggressive thyroid carcinomas, and there is a great disparity across population, in this study, we screened a large set of adult sporadic PTC cases for the most prevalent kinases fusion lately described in the TCGA...
October 18, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/29045176/computer-aided-diagnosis-of-ground-glass-opacity-nodules-using-open-source-software-for-quantifying-tumor-heterogeneity
#16
Ming Li, Vivek Narayan, Ritu R Gill, Jyothi P Jagannathan, Maria F Barile, Feng Gao, Raphael Bueno, Jagadeesan Jayender
OBJECTIVE: The purposes of this study are to develop quantitative imaging biomarkers obtained from high-resolution CTs for classifying ground-glass nodules (GGNs) into atypical adenomatous hyperplasia (AAH), adenocarcinoma in situ (AIS), minimally invasive adenocarcinoma (MIA), and invasive adenocarcinoma (IAC); to evaluate the utility of contrast enhancement for differential diagnosis; and to develop and validate a support vector machine (SVM) to predict the GGN type. MATERIALS AND METHODS: The heterogeneity of 248 GGNs was quantified using custom software...
October 18, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29044946/aquaporin-1-inhibition-reduces-metastatic-formation-in-a-mouse-model-of-melanoma
#17
Laura Simone, Concetta Domenica Gargano, Francesco Pisani, Antonio Cibelli, Maria Grazia Mola, Antonio Frigeri, Maria Svelto, Grazia Paola Nicchia
Aquaporin-1 (AQP1) is a proangiogenic water channel protein promoting endothelial cell migration. We previously reported that AQP1 silencing by RNA interference reduces angiogenesis-dependent primary tumour growth in a mouse model of melanoma. In this study, we tested the hypothesis that AQP1 inhibition also affects animal survival and lung nodule formation. Melanoma was induced by injecting B16F10 cells into the back of C57BL6J mice. Intratumoural injection of AQP1 siRNA and CTRL siRNA was performed 10 days after tumour cell implantation...
October 17, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29044722/alopecic-and-aseptic-nodule-of-the-scalp-in-a-girl
#18
Erika Rodríguez-Lobato, Daniel Morgado-Carrasco, Priscila Giavedoni, Juan Ferrando
Alopecic and aseptic nodule of the scalp is a rare entity characterized by the presence of nodules or cysts with sterile punctured material and negative cultures accompanied by nonscarring alopecia in the scalp of young men. We describe a case in which an 11-year-old girl presented with a nodular, fluctuant, round lesion on the vertex with localized alopecia. High-resolution ultrasound showed a hypoechoic lesion with increased flow on Doppler imaging and culture of the citrine-yellowish material obtained by puncture was negative...
October 16, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/29044703/a-comparative-study-on-the-effect-of-promoting-the-osteogenic-function-of-osteoblasts-using-isoflavones-from-radix-astragalus
#19
Xianghe Kong, Fang Wang, Yinbo Niu, Xianglong Wu, Yalei Pan
Radix Astragalus has been shown to exert beneficial effects regarding the prevention postmenopausal osteoporosis. However, its mechanism of action remains to be investigated. Calycosin, formononetin, and calycosin-7-O-β-d-glucoside are the main isoflavone constituents of Astragalus. In this study, the abilities of these 3 compounds to promote osteogenic function of osteoblasts were compared, and the structure-activity relationships of these osteotrophic isoflavones were determined. Calycosin exhibited a greater effect than formononetin and calycosin-7-O-β-d-glucoside regarding improvements in osteogenic function of osteoblasts, as demonstrated by cell proliferation, alkaline phosphatase activity, collagen I and osteocalcin secretion, and the number and area of mineralized bone nodules...
October 18, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/29044641/qualitative-and-semiquantitative-elastography-for-the-diagnosis-of-intermediate-suspicious-thyroid-nodules-based-on-the-2015-american-thyroid-association-guidelines
#20
Bo Ra Yang, Eun-Kyung Kim, Hee Jung Moon, Jung Hyun Yoon, Vivian Y Park, Jin Young Kwak
OBJECTIVES: To evaluate qualitative and semiquantitative elastography for the diagnosis of intermediate suspicious thyroid nodules based on the 2015 American Thyroid Association (ATA) guidelines. METHODS: Through a retrospective search of our institutional database, 746 solid thyroid nodules found on grayscale ultrasonography, strain elastography, and ultrasound-guided fine-needle aspiration between June and November 2009 were collected. Among them, 80 nodules from 80 patients with an intermediate suspicion of malignancy based on the 2015 ATA guidelines that were 10 mm or larger were recruited as the final study nodules...
October 16, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
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