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Heinrich Gerding
BACKGROUND: Recent case reports have indicated that intraocular lenses may be discoloured by systemically or locally applied fluorescein. Since very few data are available on the susceptibility of intraocular lenses to fluorescein, an experimental survey on lens discolouration was performed. MATERIAL AND METHODS: Intraocular lenses fabricated from polmethylmethacrylate (PMMA), silicone, hydrophobic acrylic copolymers, and hydrophilic acrylic copolymers were exposed to 10% fluorescein...
March 12, 2018: Klinische Monatsblätter Für Augenheilkunde
C Berthin, P Sibilia, J Martins-Hericher, A Donzeau, L Martin
BACKGROUND: Non-classical congenital adrenal hyperplasia (NC-CAH) is a recessive autosomal disease caused by a deficiency of adrenal steroidogenesis enzymes. It must be distinguished from classical CAH, either simple virilising or salt-wasting, diagnosed during the neonatal period and responsible for potentially lethal disorders of sexual differentiation. NC-CAH presents a simpler and less specific clinical picture. Herein, we present two cases comprising twin girls consulting for diffuse hypertrichosis...
March 7, 2018: Annales de Dermatologie et de Vénéréologie
Shotaro Nakagun, Akira Shiozaki, Mari Ochiai, Ayaka Matsuda, Yuko Tajima, Takashi Matsuishi, Kenichi Watanabe, Noriyuki Horiuchi, Yoshiyasu Kobayashi
Beaked whales are among the least known group of cetaceans, and information regarding their pathology and parasitology is especially scarce. We describe a case of significant parasitism by a trematode found in the liver of an adult male Hubbs' beaked whale Mesoplodon carlhubbsi that stranded in Hokkaido, Japan. Post-mortem examinations revealed a localised area of discolouration restricted to the hilar region of the left hepatic lobe, where spindle-shaped trematodes occupied the dilated and hypertrophic bile ducts...
March 5, 2018: Diseases of Aquatic Organisms
Richard Deji Akiboye, Davendra M Sharma
CONTEXT: Haematuria is a common urological presentation associated with patient anxiety and clinically relevant underlying pathology. However, the prevalence and pathophysiology of haematuria following sporting exercise is less well documented. OBJECTIVES: This review paper seeks to clarify the prevalence of microscopic and macroscopic haematuria in association with sporting exercise reported in the literature, and the pathophysiology behind it. We review the relation of haematuria to injury to the urinary tract in sport, as well as the incidence of underlying disease, urological and incidental, following investigation for exercise-induced haematuria...
February 27, 2018: European Urology Focus
Suzy Wang, Peter Cathro, Geoffrey Heithersay, Nancy Briggs, Jithendra Ratnayake, Peter Zilm
BACKGROUND: Tooth discolouration could occur due to bacterial contamination in traumatised teeth. Hydrogen peroxide is the commonly used bleaching agent. However, due to concerns over safety, alternative-bleaching regimes such as sodium perborate (S) and thiourea-hydrogen peroxide (T) have been investigated. METHODOLOGY: Apices resected and pulp extirpated 99 premolars were divided into two groups. Group 1 and 2 was injected with blood and blood/bacteria, stored anaerobically for 35 days...
February 27, 2018: Australian Dental Journal
Uwe Wollina, André Koch, Dana Langner, Gesina Hansel, Birgit Heinig, Torello Lotti, Georgi Tchernev
Acrocyanosis is an uncommon complaint belonging to the acro-syndromes. It typically presents with coolness and bluish discolourations of hands, feet, ears, nose, lips and nipple. The most frequently affected parts of the body are the hands. This review discusses physical factors, vascular disorders, infectious diseases, haematological disorders, solid tumours genetic disorders, drugs, eating disorders, and spinal disease presenting as or leading to acrocyanosis.
January 25, 2018: Open Access Macedonian Journal of Medical Sciences
P Montero-Miralles, J Martín-González, O Alonso-Ezpeleta, M C Jiménez-Sánchez, E Velasco-Ortega, J J Segura-Egea
Regenerative endodontic procedures (REPs) are biologically based procedures planned to replace damaged tissues, including dentinee and root structures, as well as cells of the pulp-dentine complex. Effective sterilization of the root canal is essential in REPs, and antibiotics have been widely used to disinfect root canals. The aim of this paper was to review the scientific literature on 1) Effectiveness of antibiotics used in REPs against bacteria implicated in endodontic disease; 2) Scientific evidence supporting the use of topical antibiotics in REPs; 3) Clinical implications of the use of antibiotics in REPs and the possible side effects; 4) Effect of antibiotics on dental pulp stem cells; and 5) Ongoing research on the use of antibiotics in REPs...
February 26, 2018: International Endodontic Journal
E Benthem, V Brown
A 61-year-old woman presented with a sudden marked swelling and blue-red discolouration of her entire left leg. The diagnosis phlegmasia cerulea dolens was made. This is an extreme case of lower-extremity deep venous thrombosis that can cause critical limb ischaemia and possible limb loss.
2018: Nederlands Tijdschrift Voor Geneeskunde
Bernhard Fink, Paul J Matts, Christina Brauckmann, Sina Gundlach
OBJECTIVE: Previous studies investigating the effects of skin surface topography and colouration cues on perception of female faces reported a differential weighting for perception of skin topography and colour evenness, where topography was a stronger visual cue for perception of age, whereas skin colour evenness was a stronger visual cue for perception of health. We extend these findings in a study of the effect of skin surface topography and colour evenness cues on perceptions of facial age, health, and attractiveness in males...
February 22, 2018: International Journal of Cosmetic Science
Indirakshi Jamalpur, Harikrishna Reddy Mogili, Abhilash Koratala
Disabling pansclerotic morphoea (DPM) of childhood is a severe and often fatal variant of deep morphoea. It usually starts in childhood and rarely seen in adults. The course of the disease is progressive with lifelong morbidity in the form of joint contractures and immobility. The causes of mortality include complications such as sepsis, gangrene and cardiopulmonary involvement. Herein, we discuss the case of a 15-year-old girl with limb deformity and finger contractures, that is, bone involvement. The diagnosis of DPM of childhood was fortuitously made after the correction of limb deformity, when the patient was seen in the dermatology department for evaluation of skin discolouration on the thighs...
February 17, 2018: BMJ Case Reports
H Rooney, L Mokool, A Ramsay, S Nalagatla
Purple urine bag syndrome is an uncommon condition that describes the purple discolouration of a catheter bag and tubing. It mainly affects patients with limited mobility who have long-term catheters. Although benign in nature per se, its presence can alarm both patient and practitioner unfamiliar with the syndrome. Here, we describe two cases of asymptomatic patients who both presented to outpatient clinic with the characteristic purple discolouration of their long-term catheters and tubing. The report discusses the pathophysiology of the syndrome and initial investigation and management...
January 1, 2018: Scottish Medical Journal
Rugina Neuman, Marike Wabbijn, Samara Guillen, Adriaan Dees
We describe an unusual case of blue toe syndrome as the primary and solitary manifestation of systemic sclerosis. The possible cause was long-term occupational exposure in construction work. Blue toe syndrome is a small vessel disease, characterised by the sudden development of painful, blue discolouration in one or more toes. The most common aetiology is atheroembolic disease; however, it can also appear in several conditions ranging from hypercoagulability disorders to underlying systemic diseases such as vasculitis or autoimmune diseases...
January 5, 2018: BMJ Case Reports
Tony Prud'homme, Isabelle Hyon, Sylvie Dajean Trutaud, Serena Lopez Cazaux
Enamel opacity on anterior teeth can be prejudicial for the aesthetic appearance of affected patients. Patients with molar incisor hypomineralisation, for example, present opacities that can range from discrete white mottling to extensive yellow-brown discolourations. They can request a treatment to improve their aesthetic conditions. Many techniques have been considered to manage this condition. Wright developed a technique called etch-bleach-seal, which showed promising results for the management of anterior enamel opacities...
December 29, 2017: BMJ Case Reports
Valiollah Mahdizadeh, Luis Alberto Parra, Naser Safaie, Ebrahim Mohammadi Goltapeh, Jie Chen, Jacques Guinberteau, Philippe Callac
The genus Agaricus was recently rearranged to accommodate numerous tropical taxa. Accordingly, the genus was split into six subgenera and 22 sections of which 12 are included in A. subg. Pseudochitonia. Preliminary data indicated that three putative new species belong to this subgenus. Our objectives were to describe these species, to determine to which sections they belong, and to experience the interest of some traditional traits in this new context. We morphologically described Agaricus coniferarum from France and Portugal, Agaricus iranicus from Iran, and Agaricus lusitanicus from Portugal...
January 2018: Fungal Biology
Abdoulhossain Madani, Moussa Soleimani-Ahmadi, Sayed Hossein Davoodi, Alireza Sanei-Dehkordi, Seyed Aghil Jaberhashemi, Mehdi Zare, Teamur Aghamolaei
BACKGROUND: Indoor residual spraying of insecticide (IRS) is a key intervention for reducing the burden of malaria infection. Effectiveness and success of this strategy are to a considerable extent dependent on knowledge and practice of the target community regarding the IRS. Iran has entered the malaria elimination phase, and IRS has been considered as the main strategy for malaria vector control. Therefore, this study was conducted to determine the household knowledge and practices about malaria and IRS in Bashagard County, one of the malaria-endemic areas in the southeast of Iran...
December 6, 2017: Parasites & Vectors
A L Popov, N M Zholobak, O I Balko, O B Balko, A B Shcherbakov, N R Popova, O S Ivanova, A E Baranchikov, V K Ivanov
We synthesised a new type of photochromic tungsten oxide nanoparticles, analysed their photocatalytic activity and carried out a thorough analysis of their effect on prokaryotic and eukaryotic organisms. Ultrasmall hydrated tungsten oxide nanoparticles were prepared by means of hydrothermal treatment of tungstic acid in the presence of polyvinylpyrrolidone as a template, stabiliser and growth regulator. Tungstic acid was synthesised through an ion-exchange method using sodium tungstate solution and a strongly acidic cation exchange resin...
January 2018: Journal of Photochemistry and Photobiology. B, Biology
Jaeyoung Kim, Sa Kang Kim, Mee Kum Kim
BACKGROUND: Autologous fat injection is getting popular in cosmetic procedures, however, still has a risk of fat embolism. Herein, we report the first case of segmental ischaemic infarction of the iris, which occurred after autologous fat injection into the lower eyelid. CASE PRESENTATION: A 28-year-old Korean woman complained of the discolouration of the iris after the fat injection. Slit-lamp biomicroscopy revealed segmental depigmented atrophic iris with sectoral sphincter palsy...
November 21, 2017: BMC Ophthalmology
Bastien Barral, Marc Chillet, Jerome Minier, Mathieu Léchaudel, Sabine Schorr-Galindo
Fusarium ananatum causes fruitlet core rot (FCR) in pineapple (Ananas comosus var. comosus) when the fruit reaches maturity. Hidden symptoms make it difficult to assess the disease, regardless of its stage, and basic questions concerning the involvement of the phenolic compounds in response to infection remain unknown. A direct inoculation method of F. ananatum in pineapple fruitlets was developed to monitor the growth of black spots and the changes in phenolic acids and ascorbic acid concentration under controlled conditions...
December 2017: Fungal Biology
Louise Dunphy, Rossell Morhij, Yash Verma, Andrew Pay
Subungual melanoma, an uncommon form of acral melanoma that arises within the nail matrix, accounts for 1%-3% of all cutaneous melanoma in Caucasians. As subungual melanoma presents in a more disguised manner than cutaneous lesions, increased vigilance is required. It most commonly presents as a discolouration of the nail, nail splitting or nail-bed bleeding. Black pigmentation of the adjacent nail fold, termed Hutchinson's sign, may be a diagnostic clue. Treatment of subungual melanoma remains surgical with wide local excision and amputation primary modalities...
November 3, 2017: BMJ Case Reports
Sara Legnani, Eric Zini, Paola Roccabianca, Beatrice Funiciello, Giordana Zanna
BACKGROUND: Dermoscopy is a diagnostic tool that has been introduced into small animal dermatology for the evaluation of hair and the skin surface. To the best of the authors' knowledge, the use of this technique on horses and the dermoscopic appearance of equine hair and skin have yet to be reported. HYPOTHESIS/OBJECTIVES: To assess the feasibility of dermoscopy, and to describe hair and skin surface features of healthy warmblood horses. ANIMALS: Thirty four client-owned, healthy adult horses...
November 1, 2017: Veterinary Dermatology
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