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https://www.readbyqxmd.com/read/28600236/dermoscopic-image-segmentation-via-multi-stage-fully-convolutional-networks
#1
Lei Bi, Jinman Kim, Euijoon Ahn, Ashnil Kumar, Michael Fulham, Dagan Feng
Segmentation of skin lesions is an important step in the automated computer aided diagnosis (CAD) of melanoma. However, existing segmentation methods have a tendency to over- or under-segment the lesions and perform poorly when the lesions have fuzzy boundaries, low contrast with the background, inhomogeneous textures, or contain artifacts. Furthermore, the performance of these methods are heavily reliant on the appropriate tuning of a large number of parameters as well as the use of effective pre-processing techniques such as illumination correction and hair removal...
June 7, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28590835/a-pilot-study-on-the-evaluation-of-physicians-laser-delivery-performance-using-a-laser-beam-detection-kit
#2
Wooseok Koh, Hyoung-Woo Lim, Minwoo Cho, Dong-Hun Lee, Youdan Kim, Jin Ho Chung, Sungwan Kim
BACKGROUND AND OBJECTIVE: Many laser devices have been developed over the past decades for various skin conditions. However, variations in the technical skill of physicians for laser skin treatment delivery have not yet been evaluated. This study evaluates the differences in omission and overlap percentages during simulated laser hair removal treatments among physicians at two clinics. MATERIALS AND METHODS: A laser beam detection kit was developed to record and collect laser irradiation from a diode laser device...
June 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28586750/microbial-decolorization-and-detoxification-of-emerging-environmental-pollutant-cosmetic-hair-dyes
#3
Swati Maiti, Sudarson Sekhar Sinha, Mukesh Singh
Since the usage of hair dyes has increased in recent time, the removal of residual dye from environment is also an emerging issue. Hair dye contains mixture of chemicals including genotoxic chemical, p-phenylenediamine (p-PD or PPD). The present study reports bioremediation of hair dye using bacteria isolated from saloon effluent. Sugarcane bagasse powder (SBP) was used as a source of nutrient and surface for bacterial growth. The 16S rDNA sequencing confirmed the isolate as Enterobacter cloacae which was designated as DDB I...
May 22, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28585390/type-4-pili-are-dispensable-for-biofilm-development-in-the-cyanobacterium-synechococcus-elongatus
#4
Elad Nagar, Shaul Zilberman, Eleonora Sendersky, Ryan Simkovsky, Eyal Shimoni, Diana Gershtein, Moshe Herzberg, Susan S Golden, Rakefet Schwarz
The hair-like cell appendages denoted as type IV pili are crucial for biofilm formation in diverse eubacteria. The protein complex responsible for type IV pilus assembly is homologous with the type II protein secretion complex. In the cyanobacterium Synechococcus elongatus PCC 7942, the gene Synpcc7942_2071 encodes an ATPase homologue of type II/type IV systems. Here we report that inactivation of Synpcc7942_2071 strongly affected the suite of proteins present in the extracellular milieu (exo-proteome) and eliminated pili observable by electron microscopy...
June 5, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/28578183/central-precocious-puberty-secondary-to-adrenocortical-adenoma-in-a-female-child-case-report-and-review-of-the-literature
#5
Betül Ersoy, Deniz Kizilay, Hasan Çayirli, Peyker Temiz, Cüneyt Günşar
BACKGROUND: Pediatric adrenocortical tumors are rare but significant causes of virilization and peripheral precocious puberty (PPP). CASE: A 4-year-old girl presented with development of breast, pubic hair, and facial acne. Her bone age was advanced, and gonadotropins did not elevate in gonadotropin-releasing hormone (GnRH) test. High levels of dehydroepiandrosterone-sulfate, estradiol, and testosterone and detection of a tumor in the left adrenal gland of the abdomen by computed tomography led to a diagnosis of PPP due to adrenal tumor...
May 31, 2017: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/28576732/forskolin-and-protein-kinase-inhibitors-differentially-affect-hair-cell-potassium-currents-and-transmitter-release-at-the-cytoneural-junction-in-the-isolated-frog-labyrinth
#6
Maria Lisa Rossi, Gemma Rubbini, Marta Martini, Rita Canella, Riccardo Fesce
The post-transductional elaboration of sensory input at the frog semicircular canal has been studied by correlating the effects of drugs that interfere with phosphorylation processes on: (i) potassium conductances in isolated hair cell and (ii) transmitter release at the cytoneural junction in the intact labyrinth. At hair cells, delayed potassium currents (IKD) undergo voltage- and time-dependent inactivation; inactivation removal requires ATP, is sensitive to kinase blockade, but is unaffected by exogenous application of cyclic nucleotides...
May 31, 2017: Neuroscience
https://www.readbyqxmd.com/read/28568705/hair-analysis-for-the-detection-of-drug-use-is-there-potential-for-evasion
#7
Shanna Marrinan, Andres Roman-Urrestarazu, Declan Naughton, Emerlinda Levari, John Collins, Robert Chilcott, Giuseppe Bersani, Ornella Corazza
BACKGROUND: Hair analysis for illicit substances is widely used to detect chronic drug consumption or abstention from drugs. Testees are increasingly seeking ways to avoid detection by using a variety of untested adulterant products (e.g., shampoos, cleansers) widely sold online. This study aims to investigate adulteration of hair samples and to assess effectiveness of such methods. METHODS: The literature on hair test evasion was searched for on PubMed or MEDLINE, Psycinfo, and Google Scholar...
May 31, 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28554792/specificity-studies-on-proteases-for-dehairing-in-leather-processing-using-decorin-as-model-conjugated-protein
#8
S Shakilanishi, C Shanthi
Enzyme based dehairing of animal skins in leather processing is considered a greener alternative to conventional chemical based dehairing process. The specificity based screening of proteases would be an important criterion as it would help in removing hairs by acting particularly on the proteoglycans holding the hair to the bulb without damaging the other proteins. The present paper describes a comparative study of the specificity of a dehairing protease with non-dehairing one isolated from Bacillus sps. Dehairing protease was found to be trypsin-like, non-collagenolytic and non-keratinolytic enzyme whereas non-dehairing one was a metalloprotease with non-collagenolytic activity but specificity for soluble keratin...
May 26, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28542218/seasonal-and-individual-variation-in-the-use-of-rail-associated-food-attractants-by-grizzly-bears-ursus-arctos-in-a-national-park
#9
Maureen H Murray, Sarah Fassina, John B Hopkins, Jesse Whittington, Colleen C St Clair
Similar to vehicles on roadways, trains frequently kill wildlife via collisions along railways. Despite the prevalence of this mortality worldwide, little is known about the relative importance of wildlife attractants associated with railways, including spilled agricultural products, enhanced vegetation, invertebrates, and carcasses of rail-killed ungulates. We assessed the relative importance of several railway attractants to a provincially-threatened population of grizzly bears (Ursus arctos) in Banff and Yoho National Parks, Canada, for which rail-caused mortality has increased in recent decades without known cause...
2017: PloS One
https://www.readbyqxmd.com/read/28540188/ingested-foreign-body-causing-duodenal-and-colonic-perforations-in-a-child
#10
Dileep Garg, Aditya Pratap Singh, Sunil Kothari
Most ingested foreign bodies usually pass uneventfully through the gastrointestinal tract. Few may cause complications and require surgical interventions. We report a 1.5-year-old child who ingested hair clip and presented with vomiting and obstruction. At operation, we found duodenal and colonic perforations. Hair clip was removed with repair of perforations.
May 2017: APSP Journal of Case Reports
https://www.readbyqxmd.com/read/28521574/treatment-of-recurrent-pilonidal-cysts-with-nd-yag-laser-report-of-our-experience
#11
F Dragoni, S Moretti, G Cannarozzo, P Campolmi
PURPOSE: Surgical treatment remains the first-line therapy of pilonidal cyst but is associated with high levels of postoperative pain, adverse events and a recurrence rate of 30%. We report our experience with laser hair removal using the Nd-YAG laser for the treatment of pilonidal cyst. MATERIALS AND METHODS: Ten patients affected by pilonidal cyst were examined and treated from October 2011 to November 2016. Treatments were carried out using the Nd-YAG laser (Deka M...
May 30, 2017: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/28511828/body-dysmorphic-disorder-in-the-dermatology-patient
#12
Caroline S Koblenzer
Body dysmorphic disorder is primarily a psychiatric disorder, in which the patient believes that some normal or very near normal aspect of his or her physical appearance is distorted or ugly. Should there be a minor abnormality, it is grossly exaggerated in the mind of the patient, causing feelings of shame and embarrassment and leading daily to spending hours at the mirror, or any reflecting surface, as the patient tries to conceal or remove the perceived abnormality through the development of ritualistic behavior...
May 2017: Clinics in Dermatology
https://www.readbyqxmd.com/read/28505909/re-impact-of-hair-removal-on-surgical-site-infection-rates-a-prospective-randomized-noninferiority-trial
#13
David F Penson
No abstract text is available yet for this article.
June 2017: Journal of Urology
https://www.readbyqxmd.com/read/28498204/asds-guidelines-task-force-consensus-recommendations-regarding-the-safety-of-lasers-dermabrasion-chemical-peels-energy-devices-and-skin-surgery-during-and-after-isotretinoin-use
#14
Abigail Waldman, Diana Bolotin, Kenneth A Arndt, Jeffrey S Dover, Roy G Geronemus, Anne Chapas, Sanjana Iyengar, Suzanne L Kilmer, Andrew C Krakowski, Naomi Lawrence, Heidi B Prather, Thomas E Rohrer, Bethanee J Schlosser, John Y S Kim, Peter R Shumaker, Leah K Spring, Murad Alam
BACKGROUND: Currently, the isotretinoin (13-cis-retinoic acid) package insert contains language advising the discontinuation of isotretinoin for 6 months before performing cosmetic procedures, including waxing, dermabrasion, chemical peels, laser procedures, or incisional and excisional cold-steel surgery. It is common practice to follow this standard because of concerns regarding reports of sporadic adverse events and increased risk of scarring. OBJECTIVE: To develop expert consensus regarding the safety of skin procedures, including resurfacing, energy device treatments, and incisional and excisional procedures, in the setting of concurrent or recent isotretinoin use...
May 10, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28485872/new-lasers-and-light-sources-old-and-new-risks
#15
REVIEW
Uwe Paasch, Antje Schwandt, Nikolaus Seeber, Gerd Kautz, Sonja Grunewald, Merete Haedersdal
Recent developments (new wavelengths, treatment concepts, and combinations) in the field of lasers, intense pulsed light (IPL), LED, as well as new energy and light sources have opened up new therapeutic options that extend beyond mere aesthetic indications. Thus, while fractional lasers used to be employed to merely treat wrinkles, the same devices - in the context of laser-assisted drug delivery - have now become important tools in the treatment of scars, field cancerization, and epithelial tumors. The requirements posed to physicians, both with respect to establishing the indication and conducting treatment, have been growing along with the increase in technological complexity as well as the rising number of comorbidities and comedications in a patient population that continues to age...
May 2017: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
https://www.readbyqxmd.com/read/28485780/the-comparison-of-the-rejuvenation-effects-on-the-skin-of-wistar-rats-between-10600-nm-co2-fractional-laser-and-retinoic-acid
#16
Y Qu, W-Y Ma, Q Sun
OBJECTIVE: The fractional laser and topical retinoic acid treatment have been applied for skin rejuvenation; however, the possible molecular mechanism of promoting remodeling of dermis is not clearly. Here we aimed to compare the effects of 10600 nm CO2 fractional laser and topical retinoic acid formulation on the skin collagen proliferation of Wistar rats, and to further explore the possible molecular mechanism of promoting remodeling of dermis. MATERIALS AND METHODS: The hair on the back of Wistar rats was removed, and the back was divided equally into four regions with the cross-streaking method: A (the control group), B (the retinoic acid group), C (retinoic acid and fractional laser combination treatment group), and D (the fractional laser group)...
April 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28481941/fine-structure-of-mouthparts-and-feeding-performance-of-pyrrhocoris-sibiricus-kuschakevich-with-remarks-on-the-specialization-of-sensilla-and-stylets-for-seed-feeding
#17
Yan Wang, Wu Dai
Mouthpart structure and feeding behavior in the temperate firebug, Pyrrhocoris sibiricus Kuschakevich, an important pest that feeds on seeds of leguminous and gramineous plants, are described for the first time. Mouthparts were observed using scanning electron microscopy to examine the external morphology, distribution and abundance of sensilla on mouthparts. Feeding performance by adults on both seeds and shoots were observed using a binocular microscope. The four-segmented labium contains 3 types of sensilla trichodea, 3 types of sensilla basiconica, 1 type of sensilla placodea and 1 type of sensilla campaniformia...
2017: PloS One
https://www.readbyqxmd.com/read/28480384/evaluation-of-effectiveness-in-a-novel-wound-healing-ointment-crocodile-oil-burn-ointment
#18
Hua-Liang Li, Yi-Tao Deng, Zi-Ran Zhang, Qi-Rui Fu, Ya-Hui Zheng, Xing-Mei Cao, Jing Nie, Li-Wen Fu, Li-Ping Chen, You-Xiong Xiong, Dong-Yan Shen, Qing-Xi Chen
BACKGROUND: Crocodile oil and its products are used as ointments for burns and scalds in traditional medicines. A new ointment formulation - crocodile oil burn ointment (COBO) was developed to provide more efficient wound healing activity. The purpose of the study was to evaluate the burn healing efficacy of this new formulation by employing deep second-degree burns in a Wistar rat model. The analgesic and anti-inflammatory activities of COBO were also studied to provide some evidences for its further use...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28459510/yiguanjian-cataplasm-attenuates-opioid-dependence-in-a-mouse-model-of-naloxone-induced-opioid-withdrawal-syndrome
#19
Shuai Gao, Hong Gao, Yuchen Fan, Guanghua Zhang, Fengkai Sun, Jing Zhao, Feng Li, Yang Yang, Kai Wang
OBJECTIVE: To investigate the effect of Yiguanjian (YGJ) cataplasm on the development of opioid dependence in a mouse model of naloxone-induced opioid withdrawal syndrome. METHODS: One hundred Swiss albino mice, of equal male to female ratio, were randomly and equally divided into 10 groups. A portion (3 cm2) of the backside hair of the mice was removed 1 day prior to the experiment. Morphine (5 mg/kg) was intraperitoneally administered twice daily for 5 days. YGJ cataplasm was prepared and pasted on the bare region of the mice immediately before morphine administration on day 3 and subsequently removed at the end day 5...
August 2016: Journal of Traditional Chinese Medicine, Chung i Tsa Chih Ying Wen Pan
https://www.readbyqxmd.com/read/28457309/ocular-injuries-secondary-to-alexandrite-laser-assisted-hair-removal
#20
Mohammed S Asiri, Majed Alharbi, Trad Alkadi, Marwan Abouammoh, Mohammed Al-Amry, Yahya ALZahrani, Sulaiman M Alsulaiman
PURPOSE: The aim of this study was to describe the clinical manifestations and outcomes of 4 patients who had sustained eye injury during alexandrite laser-assisted hair removal. METHODS: This was a retrospective case series of 4 patients who presented to 2 tertiary eye care hospitals over 2 years. Data on ophthalmic examination, spectral domain optical coherence tomography (Heidelberg Engineering, Heidelberg, Germany), and fundus fluorescein angiography were collected...
April 2017: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
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