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https://www.readbyqxmd.com/read/29774541/pityriasis-rotunda-a-clinical-study-in-jordan-experience-of-10-years
#1
Khitam Al-Refu, Awad Al-Tarawneh, Hussein Odeibat
BACKGROUND: Pityriasis rotunda is a rare skin disease characterized by the presence of multiple, round or oval, sharply demarcated hyperpigmented scaly patches. It has been described in Japan, South Africa, and in some other countries. The cause of pityriasis rotunda is usually idiopathic but may be associated with certain internal malignancy or systemic diseases. OBJECTIVE: The aim of this study is to describe this rare entity in Jordan in a retrospective study during the last 10 years...
May 17, 2018: International Journal of Dermatology
https://www.readbyqxmd.com/read/29772757/fine-mapping-and-candidate-gene-prediction-for-white-immature-fruit-skin-in-cucumber-cucumis-sativus-l
#2
Hong-Yu Tang, Xu Dong, Jian-Ke Wang, Jun-Hui Xia, Fei Xie, Yu Zhang, Xuan Yao, Yue-Jin Xu, Zheng-Jie Wang
In this study, a single recessive gene (designated w ₀) was identified to control the white immature fruit color. Genetic mapping with simple sequence repeats (SSR) markers located the w₀ gene in the distal region of cucumber chromosome 3 (Chr.3). Fine mapping was then conducted using the method of draft genome scaffold-assisted chromosome walking with 7304 F₂ individuals, which allowed for the assignment of the gene locus to a 100.3 kb genomic DNA region with two flanking markers, Q138 and Q193. Thirteen candidate genes were predicted in the 100...
May 17, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29772598/hair-color-and-skin-color-together-influence-perceptions-of-age-health-and-attractiveness-in-lightly-pigmented-young-women
#3
Bernhard Fink, Katharina Liebner, Ann-Kathrin Müller, Thomas Hirn, Graham McKelvey, John Lankhof
OBJECTIVE: Research documents that even subtle changes in visible skin condition affect perceptions of age, health, and attractiveness. There is evidence that hair quality also affects the assessment of physical appearance, as variations in hair diameter, hair density, and hair style have systematic effects on perception. Here, we consider combined effects of hair color and skin color on the perception of female physical appearance. METHODS: In two experiments, we digitally manipulated facial skin color of lightly-pigmented, young women, both between-subjects (Experiment 1) and within-subjects (Experiment 2), and investigated possible interactions with hair color in regard to age, health, and attractiveness perception...
May 17, 2018: International Journal of Cosmetic Science
https://www.readbyqxmd.com/read/29766554/primary-cutaneous-aspergillosis-at-the-site-of-cyanoacrylate-skin-adhesive-in-a-neonate
#4
Ayan Kusari, Jessica Sprague, Lawrence F Eichenfield, Catalina Matiz, Victoria R Barrio
Primary cutaneous aspergillosis is a rare but potentially life-threatening disease. We present the case of a premature infant who developed primary cutaneous aspergillosis with Aspergillus niger at the site of a skin abrasion that had been treated with a purple-colored cyanoacrylate product. The infection was treated successfully with gentle debridement of the cyanoacrylate product, followed by intravenous voriconazole and topical fluconazole. To our knowledge, this is the first reported case of primary cutaneous aspergillosis occurring at the site of cyanoacrylate-based skin adhesive...
May 15, 2018: Pediatric Dermatology
https://www.readbyqxmd.com/read/29765940/a-comparative-survey-of-methods-for-remote-heart-rate-detection-from-frontal-face-videos
#5
Chen Wang, Thierry Pun, Guillaume Chanel
Remotely measuring physiological activity can provide substantial benefits for both the medical and the affective computing applications. Recent research has proposed different methodologies for the unobtrusive detection of heart rate (HR) using human face recordings. These methods are based on subtle color changes or motions of the face due to cardiovascular activities, which are invisible to human eyes but can be captured by digital cameras. Several approaches have been proposed such as signal processing and machine learning...
2018: Frontiers in Bioengineering and Biotechnology
https://www.readbyqxmd.com/read/29765568/relationship-between-tooth-value-and-skin-color-in-patients-visiting-royal-medical-services-clinics-of-jordan
#6
Hind Fahed Al-Nsour, Tamara Trad Al-Zoubi, Ali Salaheddin Al-Rimawi
Background: Facial and dental aesthetics are becoming of great concern for patients, especially for the younger generation. Tooth color matching and selection is considered a vital element in order to create an attractive beautiful smile. The importance of tooth color matching is to adjust tooth colors to obtain a good match with adjacent teeth and the skin. This is considered a challenge especially if adjacent teeth were lost or records of patients' teeth color were not available. Objective: The aim of this study was to determine the relationship between skin complexion and tooth value in a Jordanian population...
March 2018: Electronic Physician
https://www.readbyqxmd.com/read/29765272/approach-to-reconstruction-of-cheek-defects
#7
REVIEW
Berkay Başağaoğlu, Mohin Bhadkamkar, Pierce Hollier, Edward Reece
The cheek is the largest facial unit with a prominent position on the face. Trauma, burns, and the resection of skin cancers constitute common sources of injury, potentially resulting in defects that, through natural healing, produce noticeable scarring. Surgical repair focuses on the reformation of three-dimensional geometries, proper establishment of symmetry, and the minimization of color and texture discrepancies to the surrounding. Defects located in this region may extend to the orbital, nasal, or buccal units and cause unique structural and functional disturbances...
May 2018: Seminars in Plastic Surgery
https://www.readbyqxmd.com/read/29764717/mitochondrial-damage-and-cytoskeleton-reorganization-in-human-dermal-fibroblasts-exposed-to-artificial-visible-light-similar-to-screen-emitted-light
#8
Adeline Rascalou, Jérôme Lamartine, Pauline Poydenot, Frédéric Demarne, Nicolas Bechetoille
BACKGROUND: Artificial visible light is everywhere in modern life. Social communication confronts us with screens of all kinds, and their use is on the rise. We are therefore increasingly exposed to artificial visible light, the effects of which on skin are poorly known. OBJECTIVE: The purpose of this study was to model the artificial visible light emitted by electronic devices and assess its effect on normal human fibroblasts. METHODS: The spectral irradiance emitted by electronic devices was optically measured and equipment was developed to accurately reproduce such artificial visible light...
May 5, 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/29763564/inhibitors-of-melanogenesis-an-updated-review
#9
Thanigaimalai Pillaiyar, Vigneshwaran Namasivayam, Manoj Manickam, Sang Hun Jung
Melanins are pigment molecules that determine the skin, eye, and hair color of the human subject to its amount, quality and distribution. Melanocytes synthesize melanin and provide epidermal protection from various stimuli, such as harmful ultraviolet radiation, through the complex process called melanogenesis. However, a serious dermatological problems occur when the excessive production of melanin in different parts of the human body. These include freckles, melasma, senile lentigo, pigmented acne scars and cancer...
May 15, 2018: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29760622/skin-and-mucous-membranes-manifestations-of-dermatological-diseases-within-the-genital-area-in-females
#10
Katarzyna Plagens-Rotman, Renata Przybylska, Zygmunt Adamski, Magdalena Czarnecka-Operacz
Introduction: Lichen sclerosus et atrophicus (LSA) and an inversed type of psoriasis belong to a group of benign dermatoses usually located within the region of female external genitalia. The most common subjective symptoms reported by patients are itching, pain and changes in the color and structure of the skin. Aim: This paper presents 3 cases of patients suffering from selected dermatoses located within the external female genitalia treated at the Department of Dermatology, Poznan University of Medical Sciences...
April 2018: Postȩpy Dermatologii i Alergologii
https://www.readbyqxmd.com/read/29758395/self-reported-nocturnal-sleep-duration-and-glycosylated-hemoglobin-a-in-the-study-of-cardiovascular-risks-in-adolescents-erica
#11
Luciane Gaspar Guedes, Gabriela de Azevedo Abreu, Katia Vergetti Bloch
OBJECTIVE: At present, epidemiologic studies regarding the relationship between sleep duration and glucose metabolism in adolescents are scarce. The objective was to investigate the association between self-reported nocturnal sleep duration and glycosylated hemoglobin A in 12- to 17-year-old Brazilian adolescents. PATIENTS/METHODS: A school-based multicenter cross-sectional study was carried out in private and public schools from 273 municipalities with more than 100,000 inhabitants...
April 6, 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29756717/-cyanosis-in-14-year-old-patient-methemoglobinemia-case-report
#12
Marina Orlandi, María A Amadi, Pablo X Goldaracena, Federico E Péreza
The bluish coloration of skin and mucous membranes, called as cyanosis, could be explained by high reduced hemoglobin in the capillaries, or the presence of elevated methemoglobin concentration. It is important to think of methemoglobinemia as a differential diagnosis in a cyanotic patient who does not respond to oxygen administration once cardiorespiratory causes are discarded; since it requires other diagnostic methods and specific treatment. We described a case of cyanosis in a fourteen-year-old adolescent with probable congenital methemoglobinemia...
June 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29754756/reverse-thenar-perforator-flap-for-large-palmar-and-digital-defects
#13
REVIEW
Mehmet Tapan, Murat İğde, Ali Rıza Yıldırım, Burak Yaşar, Hasan Murat Ergani, Çağdaş Duru
Reconstruction of large, full-thickness palmar and digital defects is challenging. The glabrous skin of the palm provides excellent color and texture match for palmar hand and digital defects. The reverse thenar perforator flap, which was previously infrequently used, provides a method for primary closure of large glabrous palmar skin defects. Because of the origin of the source vessels, the reverse thenar perforator flap is a good choice for larger radial-sided palmar and finger defects. This flap provides good aesthetic results for both the donor and the recipient...
May 11, 2018: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29747750/crocus-sativus-a-natural-food-coloring-and-flavoring-has-potent-anti-tumor-properties
#14
REVIEW
Zahra Khorasanchi, Mojtaba Shafiee, Farnoush Kermanshahi, Majid Khazaei, Mikhail Ryzhikov, Mohammad Reza Parizadeh, Behnoush Kermanshahi, Gordon A Ferns, Amir Avan, Seyed Mahdi Hassanian
BACKGROUND: Saffron, the dried stigmas of Crocus sativus L., is a highly valued agricultural product that is used mainly as a food coloring and flavoring agent. Three main secondary metabolites of Crocus sativus including crocin, picrocrocin, and safranal are responsible for the color, the bitter taste and for the odor and aroma, respectively. As a component of traditional medicine, saffron has been utilized as a medicinal herb for treating various ailments including cramps, asthma, liver disease, menstruation disorders, pain, and in the pathogenesis of cancer...
April 1, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29746428/review-of-nonmelanoma-skin-cancer-in-african-americans-hispanics-and-asians
#15
Shauna Higgins, Azadeh Nazemi, Maggie Chow, Ashley Wysong
BACKGROUND: Skin cancer has traditionally been studied in Caucasian skin. Although it does occur with increased relative frequency in Caucasians, patients with skin of color suffer from elevated morbidity and mortality when diagnosed with skin cancer. OBJECTIVE: To detail the unique demographic and clinical features of nonmelanoma skin cancer (NMSC) in patients with skin of color, including Hispanic, African American, and Asian patients. MATERIALS AND METHODS: A complete PubMed search was conducted spanning dates from 1947 to June 2017 yielding a total of 185 manuscripts, from which 45 were included in this review...
May 9, 2018: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/29742302/transcriptomic-analysis-of-skin-pigmentation-variation-in-the-virginia-opossum-didelphis-virginiana
#16
Sergio F Nigenda-Morales, Yibo Hu, James Beasley, Hugo A Ruiz-Piña, David Valenzuela-Galván, Robert K Wayne
Skin and coat pigmentation are two of the best-studied examples of traits under natural selection given their quantifiable fitness interactions with the environment (e.g. camouflage) and signaling with other organisms (e.g. warning coloration). Previous morphological studies have found that skin pigmentation variation in the Virginia opossum (Didelphis virginiana) is associated with variation in precipitation and temperatures across its distribution range following Gloger's rule (lighter pigmentation in temperate environments)...
May 9, 2018: Molecular Ecology
https://www.readbyqxmd.com/read/29742190/a-natural-cream-to-powder-formulation-developed-for-the-prevention-of-diaper-dermatitis-in-diaper-wearing-infants-and-children-barrier-property-and-in-use-tolerance-studies
#17
Hemali B Gunt, Stanley B Levy, Celeste A Lutrario
INTRODUCTION: Diaper dermatitis is a common condition that develops in the diaper area due to factors such as elevated moisture, increased skin surface pH, and exposure to irritants from urine and feces. These factors suggest interventions to prevent or treat diaper dermatitis such as exposing the skin to air, frequent diaper changes, and thorough cleansing of the diaper area. Barrier creams and powders also have a role in preventing and treating diaper dermatitis. We developed a cream-to-powder product with a formula based on corn starch and other natural ingredients for use in the diaper area...
May 1, 2018: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/29738036/first-stages-chronic-kidney-disease-have-mild-effects-on-cognitive-performance-results-of-a-15-105-brazilian-adult-baseline-cohort
#18
Valéria Maria de Azeredo Passos, Roberto Marini Ladeira, Cláudia Caciquinho Vieira de Souza, Itamar de Souza Santos, Sandhi Maria Barreto
INTRODUCTION: The aging of the population may lead to an increased prevalence of dementia and chronic kidney disease (CKD) and their overlap. OBJECTIVE: We investigated the association between CKD and cognitive performance among Brazilian adults (35-74 years). METHODS: Baseline data analysis of the Longitudinal Study of Adults (ELSA-Brasil), a multicenter cohort comprising 15,105 civil servants, was performed. Kidney function was defined by the CKD-Epi-estimated GRF and albumin creatinin ratio (ACR)...
April 26, 2018: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29737188/the-color-of-death-race-observed-skin-tone-and-all-cause-mortality-in-the-united-states
#19
Quincy Thomas Stewart, Ryon J Cobb, Verna M Keith
OBJECTIVE: This paper examines how mortality covaries with observed skin tone among blacks and in relation to whites. Additionally, the study analyzes the extent to which social factors such as socioeconomic status affect this relationship. DESIGN: This study uses data from the 1982 General Social Survey (N = 1,689) data linked to the National Death Index until 2008. We use this data to examine the links between race, observed skin tone among blacks, and all-cause mortality...
May 8, 2018: Ethnicity & Health
https://www.readbyqxmd.com/read/29736921/an-unusual-presentation-of-giant-molluscum-contagiosum-diagnosed-on-cytology
#20
Smita Singh, Mitali Swain, Shailaja Shukla, Ram Chander
Molluscum contagiosum (MC) is most frequently a self-limiting benign viral skin disease. Transmitted by direct skin contact, it is characterized by flesh-colored, dome-shaped, umbilicated lesions. Diagnosis of MC is often done clinically, but when needed, biopsy can be performed, in which characteristic Henderson-Patterson bodies, representing intracytoplasmic assemblies of the virus, are pathognomonic. Atypical presentations of MC are rare in immunocompetent individuals and are challenging to diagnose. We report a case of giant MC, presenting as an ulcero-proliferative growth, in neck of an 8-month-old female child...
May 7, 2018: Diagnostic Cytopathology
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