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https://www.readbyqxmd.com/read/28738326/difficulty-in-the-cytodiagnosis-of-mammary-analogue-secretory-carcinoma-survey-of-109-cytologists-with-a-case-originating-from-a-minor-salivary-gland
#1
Keita Kai, Akimichi Minesaki, Kumiko Suzuki, Mikio Monji, Mitsuo Nakamura, Hisayuki Tsugitomi, Yuichiro Kuratomi, Shinichi Aishima
BACKGROUND: Mammary analogue secretory carcinoma (MASC) of the salivary gland shows morphologic similarities and shares an immunophenotype and characteristic ETV6-NTRK3 translocation with secretory carcinoma of the breast. We present a buccal case of MASC along with a survey-based debate about its cytologic diagnosis by fine-needle aspiration (FNA). CASE: FNA of the buccal nodule of a 58-year-old Japanese man was initially performed by 3 cytologists who gave different assessments of the Papanicolaou classification (i...
July 25, 2017: Acta Cytologica
https://www.readbyqxmd.com/read/28737965/comparison-of-three-competitive-immunoassays-for-measurement-of-tsh-receptor-antibodies-in-patients-with-graves-disease
#2
Sara Doroudian, Inge Bülow Pedersen, Cindy Soendersoe Knudsen, Aase Handberg, Stine Linding Andersen
Thyrotropin (TSH) receptor antibodies (TRAb) mediate the hyperthyroidism of Graves' disease (GD). The aim of the study was to compare the diagnostic performance and assay agreement between three immunoassays for the measurement of TRAb in patients with newly diagnosed GD. TRAb was measured with three different assays [H-TRAb (BRAHMS Diagnostica), M22-Man (RSR Limited) and M22-Aut (Roche Diagnostics)] in 387 participants who were recruited from two Danish population-based studies and diagnosed with GD (n = 101), multinodular toxic goitre (n = 88), primary autoimmune hypothyroidism (n = 100) or included as controls (n = 98)...
July 24, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28737930/self-collapse-lithography
#3
Chuanzhen Zhao, Xiaobin Xu, Qing Yang, Tianxing Man, Steven Jonas, Jeffrey J Schwartz, Anne M Andrews, Paul S Weiss
We report a facile, high-throughput soft lithography process that utilizes nanoscale channels formed naturally at the edges of microscale relief features on soft, elastomeric stamps. Upon contact with self-assembled monolayer (SAM) functionalized substrates, the roof of the stamp collapses, resulting in the selective removal of SAM molecules via a chemical lift-off process. With this technique, which we call self-collapse lithography (SCL), sub-30-nm patterns were achieved readily using masters with microscale features prepared by conventional photolithography...
July 24, 2017: Nano Letters
https://www.readbyqxmd.com/read/28737897/biogenic-hydroxyapatite-a-new-material-for-the-preservation-and-restoration-of-the-built-environment
#4
Ronald Joseph Turner, Joanna C Renshaw, Andrea Hamilton
Ordinary Portland Cement (OPC) is by weight the world's most produced man-made material, and consequently is used in a variety of applications in environments ranging from buildings, to nuclear wasteforms, and within the human body. In this paper, we present for the first time the direct deposition of biogenic hydroxyapatite onto the surface of OPC, in a synergistic process which relies upon the unique properties of the cement substrate. The synthesised hydroxyapatite is very similar to that found in nature; having a crystallite size, iron and carbonate substitution, and a semi-crystalline structure which identify that this biogenic hydroxyapatite is akin to that found in natural bone and tooth enamel...
July 24, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28737868/languaje-what-makes-us-humans
#5
Horacio Lejarraga
Pediatrician carry out the surveillance of language in preschool children as one of the components of child development (language, fine and gross motor skills, etc.). However, language is more than that. The process of transformation of the magic meaning on the word present in the initial stages of human evolution (Myth period) into a new, symbolic meaning as representative of the object (Logos period) took around 40,000 years. With the mastering of language, man was capable of thinking; from then onwards, these two functions, thought and language, became inextricably linked, the evolved hand in hand...
August 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28737577/vertebral-myeloma-mimicking-prostatic-carcinoma-metastasis-in-68ga-psma-pet-ct
#6
Esben Hoej Merrild, Steen Baerentzen, Kirsten Bouchelouche, Simon Buus
Ga-PSMA PET/CT was performed in a 75-year-old man with newly diagnosed prostate cancer because of an equivocal lesion in the spine both on Tc-bone-SPECT/CT and MRI. Because of increased PSMA activity on PET/CT, the bone lesion was interpreted as metastasis from prostate cancer. Later, the patient was diagnosed as having monoclonal gammopathy of unknown significance. A biopsy was performed, and histological examination revealed multiple myeloma with PSMA expression in the neovessels but no metastatic prostate cancer cells...
July 22, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28737453/the-metabolism-and-drug-drug-interaction-potential-of-the-selective-prostacyclin-receptor-agonist-selexipag
#7
Carmela Gnerre, Jérôme Segrestaa, Swen Seeland, Päivi Äänismaa, Thomas Pfeifer, Stephane Delahaye, Ruben de Kanter, Tomohiko Ichikawa, Tetsuhiro Yamada, Alexander Treiber
- The metabolism of selexipag has been studied in vivo in man and the main excreted metabolites were identified. Also, metabolites circulating in human plasma have been structurally identified and quantified. - The main metabolic pathway of selexipag in man is the formation of the active metabolite ACT-333679. Other metabolic pathways include oxidation and dealkylation reactions. All primary metabolites undergo subsequent hydrolysis of the sulphonamide moiety to their corresponding acids. ACT-333679 undergoes conjugation with glucuronic acid and aromatic hydroxylation to P10, the main metabolite detected in human faeces...
July 24, 2017: Xenobiotica; the Fate of Foreign Compounds in Biological Systems
https://www.readbyqxmd.com/read/28737408/establishing-the-trifluoromethylthio-radical-donating-abilities-of-electrophilic-scf3-transfer-reagents
#8
Man Li, Biying Zhou, Xiao-Song Xue, Jin-Pei Cheng
The recent recognition of novel application of a few traditional electrophilic trifluoromethylthiolating reagents as SCF3 radical sources offer a remarkable new opportunity for the development of radical trifluoromethylthiolation reactions. Herein, the first trifluoromethylthio radical donating ability (Tt•DA) scale of electrophilic SCF3-transfer reagents has been developed. This scale is based on Y-SCF3 bond dissociation energies, which were obtained by density functional calculations (M06-2X). Single electron transfer is revealed to exhibit a substantial Y-SCF3 bond-weakening effect, thus significantly facilitating the SCF3 radical (•SCF3) release...
July 24, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28737109/clinical-outcome-prediction-after-thrombectomy-of-proximal-middle-cerebral-artery-occlusions-by-the-appearance-of-lenticulostriate-arteries-on-magnetic-resonance-angiography-a-retrospective-analysis
#9
Johannes Kaesmacher, Kornelia Kreiser, Nathan W Manning, Alexandra S Gersing, Silke Wunderlich, Claus Zimmer, Justus F Kleine, Benedikt Wiestler, Tobias Boeckh-Behrens
Post-ischemic vasodynamic changes in infarcted brain parenchyma are common and range from hypo- to hyperperfusion. In the present study, appearance of the lenticulostriate arteries (LSAs) on postinterventional 3T time-of-flight (TOF)-MRA suggestive for altered post-stroke vasodynamics following thrombectomy was investigated. Patients who underwent thrombectomy for a proximal MCA occlusion and for whom postinterventional 3T TOF-MRA (median at day 3) was available, were included in this retrospective analysis (n=98)...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28737018/increased-myocardial-native-t1-relaxation-time-in-patients-with-nonischemic-dilated-cardiomyopathy-with-complex-ventricular-arrhythmia
#10
Shiro Nakamori, An H Bui, Jihye Jang, Hossam A El-Rewaidy, Shingo Kato, Long H Ngo, Mark E Josephson, Warren J Manning, Reza Nezafat
PURPOSE: To study the relationship between diffuse myocardial fibrosis and complex ventricular arrhythmias (ComVA) in patients with nonischemic dilated cardiomyopathy (NICM). We hypothesized that NICM patients with ComVA would have a higher native myocardial T1 time, suggesting more extensive myocardial diffuse fibrosis. MATERIALS AND METHODS: We prospectively enrolled NICM patients with a history of ComVA (n = 50) and age-matched NICM patients without ComVA (n = 57)...
July 24, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28736749/synchronous-primary-renal-lymphoma-and-renal-cell-carcinoma-collision-tumors-in-the-same-kidney
#11
Neil J Kocher, Stephan Leung, Nabeel E Sarwani, Joshua I Warrick, Jay D Raman
Background: Primary renal lymphoma (PRL) is an exceptionally rare disease with under 50 reported cases in the literature. PRL is an aggressive condition that can present with nonspecific symptoms and local invasion mimicking renal cell carcinoma (RCC). We present an unusual case involving a collision tumor between PRL and RCC. Case Presentation: The patient is a 62-year-old immunosuppressed man with an incidental left renal mass on cross-sectional imaging. Renal mass biopsy confirmed clear cell type RCC. He underwent robot-assisted, laparoscopic left radical nephrectomy for presumed RCC without evidence for extrarenal disease or discernable lymphadenopathy...
2017: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/28736747/recurrent-dystrophic-calcification-of-the-prostatic-resection-cavity-after-transurethral-resection-of-the-prostate-clinical-presentation-and-endoscopic-management
#12
Valentin Zumstein, Patrick Betschart, Gautier Müllhaupt, Wolfram Jochum, Hans-Peter Schmid, Dominik Abt
Background: Dystrophic calcification (DC) can occur as a reaction to tissue damage and necrosis. So far, this has never been described as a complication after conventional transurethral resection of the prostate (TURP). Case Presentation: We report on a 59-year-old man who underwent uncomplicated monopolar TURP for lower urinary tract symptoms caused by benign prostatic hyperplasia. The patient showed an excellent course up to 5 weeks after the initial operation. Afterward he suffered from a rapid onset of irritative and obstructive voiding symptoms and pain...
2017: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/28736647/an-elderly-man-with-remote-history-of-metastatic-melanoma-now-with-localized-pancreas-cancer-and-new-liver-masses
#13
Neil Vasan, Maria Ignez Braghiroli, Alexander N Shoushtari, Richard Kinh Gian Do, Marcia Edelweiss, Ali Shamseddine, Walid Faraj, Deborah Mukherji, Ali Haydar, Ashwaq Olayan, Fouad Sabatin, Rita Assi, Imane El Dika, Leonard B Saltz, Ghassan K Abou-Alfa, Eileen M O'Reilly
No abstract text is available yet for this article.
June 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28736616/maldi-tof-ms-contribution-to-the-diagnosis-of-campylobacter-rectus-multiple-skull-base-and-brain-abscesses
#14
D Martiny, N Dauby, D Konopnicki, S Kampouridis, P Jissendi Tchofo, M Horoi, L Vlaes, P Retore, M Hallin, O Vandenberg
Campylobacter rectus is rarely associated with invasive infection. Both the isolation and the identification requirements of C. rectus are fastidious, probably contributing to an underestimation of its burden. We report the case of a 66-year-old man who developed several skull base and intracerebral abscesses after dental intervention. Campylobacter rectus was isolated from the brain biopsy. Within 45 minutes of reading the bacterial plate, the strain was accurately identified by MALDI-TOF MS. This rapid identification avoided the extra costs and delays present with 16S rRNA gene sequencing and allowed for a rapid confirmation of the adequacy of the empirical antibiotic treatment...
September 2017: New Microbes and New Infections
https://www.readbyqxmd.com/read/28736538/agents-and-patients-in-physical-settings-linguistic-cues-affect-the-assignment-of-causality-in-german-and-tongan
#15
Andrea Bender, Sieghard Beller
Linguistic cues may be considered a potent tool for focusing attention on causes or effects. In this paper, we explore how different cues affect causal assignments in German and Tongan. From a larger screening study, two parts are reported here: Part 1 dealt with syntactic variations, including word order (agent vs. patient in first/subject position) and case marking (e.g., as ergative vs. non-ergative in Tongan) depending on verb type (transitive vs. intransitive). For two physical settings (wood floating on water and a man breaking a glass), participants assigned causality to the two entities involved...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28736430/a-case-of-type-1-autoimmune-pancreatitis-aip-a-form-of-igg4-related-disease-igg4-rd
#16
Mounira El Euch, Souha Hddad, Madiha Mahfoudhi, Hela Maktouf, Fethi Ben Hamida, Fatima Jaziri, Khaoula Ben Abdelghani, Sami Turki, Taïeb Ben Abdallah
BACKGROUND Type 1 autoimmune pancreatitis (AIP), also known as lymphoplasmacytic sclerosing pancreatitis (LPSP), is a rare cause of chronic pancreatitis, characterized by a fibro-inflammatory process. However, patients with AIP may have a good response to corticosteroid therapy. We describe a Tunisian patient with AIP that was confirmed to be an IgG4-related disease (IgG4-RD). CASE REPORT We describe a case of a 70-year-old man who was admitted to hospital for obstructive jaundice and abdominal pain. Serum liver function tests were abnormal and upper abdominal computed tomography (CT) imaging showed diffuse pancreatic swelling and strictures of the main pancreatic duct without any focal lesion...
July 24, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28736371/-multifocal-electroretinography-for-therapeutic-effect-evaluation-of-intravitreal-injection-lucentis-for-wet-age-related-macular-degeneration
#17
Rui-Hong Ju, Man-Sha He, Jin-Tong Hou, Meng-Yuan Li, Jing-Lin Zhang, Zhe-Ming Wu
OBJECTIVE: To evaluate the changes in retinal functions using multifocal electroretinography (mfERG) following intravitreal injection of Lucentis for treatment of wet age-related macular degeneration. METHODS: This prospective study was conducted in 14 patients (9 men and 5 women, 14 eyes) with wet age-related macular degeneration receiving treatment with intravitreal injections of ranibizumab (Lucentis) in our hospital between October, 2014 and January, 2016. All the patients received the treatment following a 1+PRN protocol and after the initial injection, the patients were followed up monthly for 6 months to decide if additional injections were needed...
July 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28736359/-small-intestinal-cavernous-hemangioma-causing-chronic-hemorrhage-a-case-report
#18
Geng-Yuan Zhang, Chang-Jiang Luo, Bin Zhao, Hao Zhan, Bo Long, Ling-Yun Guo, Hui-Nian Zhou, Zuo-Yi Jiao
Small intestinal hemangioma is a rare condition that can be divided histologically into capillary, cavernous or mixed types, among which the cavernous type is the most common. Here we report a case of small intestinal cavernous hemangioma with chronic hemorrhage in 44-year-old man. The patient complained of weakness and dizziness for 2 years that aggravated 1 month before admission accompanied by intermittent melena. Laboratory tests suggest severe anemia, and computed tomography, gastroscopy and colonoscopy all revealed signs of anemia...
July 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28736209/histoplasmosis-presenting-as-laryngeal-ulcer-in-a-post-renal-transplant-male-an-unusual-case-from-india
#19
P M Jawale, H V Gulwani
Histoplasmosis has variable clinical presentation that mimics various benign and malignant lesions. It is more often associated with pulmonary lesions and disseminated form of disease. Herein, we report a rare case of localized laryngeal histoplasmosis in a 62-year-old Indian man who presented with hoarseness of voice and dysphagia. Post-renal transplant, he was on immunosuppressive drugs for last three years. Laryngoscopy revealed an ulceroproliferative growth at base of tongue, which was extending upto the pyriform fossa...
July 20, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/28736097/alcoholic-pellagra-as-a-cause-of-altered-mental-status-in-the-emergency-department
#20
Sarah Luthe Kyuragi, Ryota Sato
BACKGROUND: Pellagra, which is caused by a deficiency of niacin and tryptophan, the precursor of niacin, is a rare disease in developed countries where alcoholism is a major risk factor due to malnutrition and lack of B vitamins. Although pellagra involves treatable dementia and psychosis, it is often underdiagnosed, especially in developed countries. CASE REPORT: In Japan, a 37-year-old man presented to the emergency department with altered mental status and seizures...
July 20, 2017: Journal of Emergency Medicine
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