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https://www.readbyqxmd.com/read/28330277/classical-and-bayesian-predictions-applied-to-bacillus-toxin-production
#1
Karim Ennouri, Rayda Ben Ayed, Maura Mazzarello, Ennio Ottaviani, Fathi Hertelli, Hichem Azzouz
Bacillus thuringiensis is a bacterium with unusual properties that make it useful for pest control in ecoagriculture. It can form a parasporal crystal containing polypeptides (also called delta-endotoxins). These entomopathogenic toxins are made during the stationary phase of the bacterial growth cycle and were initially characterized as an insect pathogen. Nowadays, the use of saturated two-level designs is very popular. This method is especially used in industrial applications where the cost of experiments is expensive...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28329953/imaging-feature-in-pres-syndrome-report-of-6-cases
#2
H El Mhabrech, S Karma, F Jbeli, M Dakkem, A Kraiem, C Hafsa
OBJECTIVES: Posterior reversible encephalopathy syndrome (PRES) is a rare syndrome. The pathophysiology is poorly understood. Computed tomography (CT) and magnetic resonance imaging (MRI) findings are characteristic of the diagnosis and diffusion weighted image has been also suggested having a prognostic value. We report this unusual neurologic complication of peripartumin except any pre-existent pathology of the pregnancy. MATERIEL AND METHODS: CT, MR findings and relevant clinical data of the patients were retrospectively reviewed on 5 cases between 2011 and 2012 in our radiologic department...
March 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28329653/introducing-public-health-themes-in-clinical-dermatology
#3
Scott A Norton
The ACGME's Core Competencies comprise six domains, which in turn contain dozens of often overlapping milestones. Several competencies explicitly invoke public health topics - but if one wears the right set of lenses, nearly every milestone, nearly every aspect of health and medicine, can be viewed from a public health perspective. Why then is Dermatology generally taught - and practiced - in an Intensive Care manner, where seemingly unlimited diagnostic & therapeutic efforts focus on single individuals, not the community?In this presentation, I argue that topics of public health concern should not be relegated to the minor leagues of GME...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329612/aquagenic-wrinkling-of-the-palms-a-case-report-and-literature-review
#4
Matteo Megna, Mariateresa Cantelli, Donata Martellotta, Gabriella Calabrò, Anna Balato, Fabio Ayala
Aquagenic wrinkling of the palms (AWP) is an unusual and rare dermatological condition characterized by excessive palmar wrinkling, occurring within a few minutes of water exposure. Cystic fibrosis (CF) or CF carrier state associated forms, drug induced cases, and idiopathic forms have been described. We report the case of a 27-year-old woman with a 7-year history of transient excessive wrinkling of her palms after brief exposure to water. We present also a comprehensive review of the literature. We believe that AWP has been underdiagnosed thus far and we would like to encourage investigations such as sweat chloride test or genetic studies in these patients because of the association with CF or CF carrier state, particularly when AWP appears in younger ages...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329589/superficial-angiomyxoma-of-the-nipple-a-case-report-of-an-infrequent-cutaneous-tumour
#5
Ana Mercedes Victoria Martínez, José Luis Sánchez Carazo, Victor Alegre de Miquel
Superficial angiomyxoma is a distinctive cutaneous soft tissue neoplasm that is clinically variable, infrequent, and benign. However, this tumor has a high propensity for local recurrence. There is a known association of angiomyxomas with Carney complex. We report a case of superficial angiomyxoma in a 28-year-old woman who presented with an erythematous, mul-tilobulated nodule on the nipple. This tumor has a predilection for the trunk, head and neck, extremities, and genitalia. The present case, hence, is unusual, because the lesion developed on the nipple...
October 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329573/a-diagnostic-challenge
#6
D Ismail, G Langman, S D Orpin
A 74 year-old woman presented with a 9 month history of a slowly enlarging exophytic lesion over her left nasal alar. Examination revealed a firm, cystic mass fixed to underlying skin. It was pedunculated with occasional superficial telangiectasia and a violaceous hue. A differential diagnosis of dermoid or sebaceous cyst, dermatofibroma, and neurofibroma was considered. Histopathological examination confirmed the rare diagnosis of chondroid syringoma (CS), which has a reported incidence of 0.01- 0.098% of excised skin tumors...
November 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329524/anetodermic-pilomatricoma-clinical-histopathologic-and-sonographic-findings
#7
Igor Vázquez-Osorio, Susana Mallo García, Eloy Rodríguez-Díaz, Pablo Gonzalvo-Rodríguez
Pilomatricoma is a benign cutaneous tumor originatingfrom hair matrix cells. Anetodermic changes inthe skin overlying pilomatricomas are sometimesreported, although their precise mechanisms remainunknown. We present an unusual case of anetodermicpilomatricoma on the upper extremity of a 17-yearoldboy and report its clinical, histopathologic, andsonographic findings.
March 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329519/tnf-inhibitor-induced-alopecia-an-unusual-form-of-psoriasiform-alopecia-that-breaks-the-renb%C3%A3-k-mold
#8
Lauren N Craddock, Matthew Cooley, Justin O Endo, B Jack Longley, Freddy Caldera
TNF-α-inhibitors are known to induce skin adverseeffects including psoriasis and alopecia areata. Here, wedescribe a unique pattern of hair loss that has psoriaticand alopecia areata-like features. Diagnosis requiresclinical-pathologic correlation and is supportedby increased catagen/telogen hairs, psoriasiformepidermal hyperplasia, perifollicular lymphocyticinfiltrate, and the presence of eosinophils and plasmacells. Although there are no treatment consensusguidelines, management options include stoppingtherapy, switching to a different TNF-α inhibitor orustekinumab (in severe cases), or continuing TNF-αinhibitor therapy with addition of topical, intralesional,or systemic immunosuppressants...
March 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329462/preoperative-use-of-ct-angiography-in-infants-with-coarctation-of-the-aorta
#9
Kirsten Rose-Felker, Joshua D Robinson, Carl L Backer, Cynthia K Rigsby, Osama M Eltayeb, Michael C Mongé, Karen Rychlik, Christina L Sammet, Jeffrey G Gossett
BACKGROUND: Computed tomographic angiography (CTA) and echocardiography (echo) are used preoperatively in coarctation of the aorta to define arch hypoplasia and great vessel branching. We sought to determine differences in quantitative measurements, as well as surgical utility, between modalities. METHODS: Infants (less than six months) with both CTA and echo prior to coarctation repair from 2004 to 2013 were included. Measurements were compared and correlated with surgical approach...
March 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/28329283/left-sinus-of-valsalva-aneurysm-as-a-cause-of-chronic-stable-angina
#10
Alexandre Ponti, Salah D Qanadli, Matthias Kirsch, Maxime Tapponnier
Sinus of Valsalva aneurysms are unusual, particularly when located on the left coronary sinus. They are mainly asymptomatic, however once ruptured, they are associated with high mortality. We present hereinafter an atypical case of a 71-year-old patient with an unruptured left sinus of Valsalva aneurysm causing myocardial ischaemia due to a compressed left main coronary artery. Surgical endoaneurysmorrhaphy was performed; however, a dehiscence of the suture line between the patch and the aortic wall required additional percutaneous implantation of a vascular occluder...
February 27, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28329178/intraoperative-coronary-revision-but-not-coronary-pattern-is-associated-with-mortality-after-arterial-switch-operation%C3%A2
#11
Matteo Trezzi, Angelo Polito, Antonio Albano, Sonia B Albanese, Enrico Cetrano, Adriano Carotti
OBJECTIVES: We sought to determine differences in baseline characteristics and clinical outcomes in a consecutive series of patients undergoing arterial switch operation (ASO), assessing the effect of coronary anatomy on postoperative mortality, both overall and adjusted for surgical era. METHODS: From January 2000 to May 2015, 283 consecutive patients underwent ASO for transposition of the great arteries. A total of 103 patients (36.4%) had an associated ventricular septal defect and 23 (8...
March 18, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28329168/unusual-diagnosis-of-a-mass-located-in-the-interventricular-septum-ectopic-thyroid-struma-cordis-struma-cordis-an-unusual-mass-in-the-septum
#12
Daniela do Carmo Rassi, Viviane Tiemi Hotta, Juliana Freitas Santana Mota, Aleksander Dobrianskyj, Salvador Rassi
No abstract text is available yet for this article.
February 23, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28328958/physician-satisfaction-with-a-multi-platform-digital-scheduling-system
#13
Rodrigo Octávio Deliberato, Leonardo Lima Rocha, Alex Heitor Lima, Caroline Reis Maia Santiago, Jose Cláudio Cyrineu Terra, Alon Dagan, Leo Anthony Celi
OBJECTIVE: Physician shift schedules are regularly created manually, using paper or a shared online spreadsheet. Mistakes are not unusual, leading to last minute scrambles to cover a shift. We developed a web-based shift scheduling system and a mobile application tool to facilitate both the monthly scheduling and shift exchanges between physicians. The primary objective was to compare physician satisfaction before and after the mobile application implementation. METHODS: Over a 9-month period, three surveys, using the 4-point Likert type scale were performed to assess the physician satisfaction...
2017: PloS One
https://www.readbyqxmd.com/read/28328849/protrusion-of-a-rod-into-the-spinal-canal-10-years-after-segmental-lumbar-spine-surgery
#14
Siyi Cai, Xiangyi Kong, Chengrui Yan, Yipeng Wang, Xueshuai Wan, Jialu Zhang, Guixing Qiu, Keyi Yu
The objective of this article is to report an unusual case of a spinal rod that protruded into the spinal canal after lumbar spine surgery.Only 4 cases of spinal rod migration with protrusion into the spinal canal have been reported. This is the first report of a case involving the use of posterior low lumbar segmental instrumentation with a screw-rod system. The left side of the rod gradually migrated and finally protruded into the canal and compressed the cord.A 60-year-old woman presented with pain and numbness of the posterior aspect of the left leg after a long-distance walk...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28328837/atypical-presentation-of-paroxysmal-nocturnal-hemoglobinuria-treated-by-eculizumab-a-case-report
#15
Anne Quinquenel, Quentin Maestraggi, Carinne Lecoq-Lafon, Peffault de Latour Régis, Alain Delmer, Amélie Servettaz
RATIONALE: Paroxysmal nocturnal hemoglobinuria (PNH) is a nonmalignant acquired hematopoietic stem cell disease, which can be revealed by hemolytic anemia, thromboembolism, or bonemarrow failure. Thrombosis can occur at any site, but coronary thrombosis is extremely rare. Controlled trials have demonstrated that eculizimab, an inhibitor of the terminal complement cascade, was able to reduce both hemolysis and thrombosis, but its efficacy in cases of PNH with coronary thrombosis is unknown...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28328616/borderline-tuberculoid-leprosy-masquerading-as-granuloma-annulare-a-clinical-and-histological-pitfall
#16
Tian Hao Zhu, Faranak Kamangar, Marc Silverstein, Maxwell A Fung
INTRODUCTION: Leprosy is a chronic granulomatous disease caused by Mycobacterium leprae, an intracellular acid-fast bacillus that tends to infect the skin and peripheral nerves. Because of the wide array of cutaneous manifestation, diagnosis is not always straightforward, especially in nonendemic regions of the world such as the United States. CASE REPORT: The authors report an unusual case of borderline tuberculoid leprosy in an 80-year-old white woman from California...
April 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28328605/unusual-association-cerebral-arteriovenous-malformation-and-chiari-type-i-malformation
#17
Hayri Ogul, Mecit Kantarci
Cerebral arteriovenous malformation (AVM) is a common type of cerebral vascular malformation. The imaging findings are enlarged vessels, thrombosed sinuses, and hemorrhage or gliosis on adjacent brain parenchyma. Magnetic resonance (MR) imaging can be used safely for diagnosis. Chiari type I malformation is characterized by a caudal descent of the cerebellar tonsil. Coincidence of cerebral AVM and Chiari type I malformation is very rare. In this paper, the authors report MR imaging findings of a patient with coincidence of cerebral AVM and Chiari type I malformation...
March 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28328604/retropharyngeal-abscess-presenting-with-sleep-apnea-syndrome
#18
Hasan Emre Koçak, Mehmet Nurettin Kiral, Harun Acipayam, Mustafa Suphi Elbistanli, Fatma Tülin Kayhan
Retropharyngeal abscess (RPA) is the second most common deep neck space infection after peritonsiller abscess in pediatric population. Major signs and symptoms on physical examination include fever, hypersalivation, odynophagia, reduced oral intake, sore throat, swelling on the neck, torticollis, limitation in neck mobility, and voice changes. In this paper, the authors present a case of RPA with unusual and interesting presenting symptoms in a 10-month-old infant that exhibit new-onset and worsening snoring and sleep apnea...
March 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28327954/genome-sequencing-of-the-winged-midge-parochlus-steinenii-from-the-antarctic-peninsula
#19
Sanghee Kim, Mijin Oh, Woongsic Jung, Joonho Park, Han-Gu Choi, Seung Chul Shin
Background: In the Antarctic, only two species of Chironomidae occur naturally-the wingless midge, Belgica antarctica , and the winged midge, Parochlus steinenii . B. antarctica is an extremophile with unusual adaptations. The larvae of B. antarctica are desiccation- and freeze-tolerant and the adults are wingless. Recently, the compact genome of B. antarctica was reported and it is the first Antarctic eukaryote to be sequenced. Although P. steinenii occurs naturally in the Antarctic with B...
February 24, 2017: GigaScience
https://www.readbyqxmd.com/read/28327946/draft-genome-of-the-northern-snakehead-channa-argus
#20
Jian Xu, Chao Bian, Kunci Chen, Guiming Liu, Yanliang Jiang, Qing Luo, Xinxin You, Wenzhu Peng, Jia Li, Yu Huang, Yunhai Yi, Chuanju Dong, Hua Deng, Songhao Zhang, Hanyuan Zhang, Qiong Shi, Peng Xu
Background: The Northern snakehead ( Channa argus ), a member of the Channidae family of the Perciformes, and is an economically important freshwater fish native to East Asia. In North America, it has become notorious as an intentionally released invasive species. Its ability to breathe air with gills and migrate short distances over land makes it a good model for bimodal breath research. Therefore, recent research has focused on the identification of relevant candidate genes. Here, we performed whole genome sequencing of C...
March 2, 2017: GigaScience
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