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Erere Otrofanowei, Olusola O Ayanlowo, Ayesha Akinkugbe, Felix A Oresanya
BACKGROUND: Hand dermatitis is an acute or chronic inflammation of the skin of the hands from a multifactorial cause which may be endogenous, exogenous, or a combination of both. With a wide range in severity and recurrent periods of flares, it has significant impact on the quality of life of its sufferers. A history of atopy predisposes patients to hand dermatitis, but contact dermatitis, either allergic or irritant, is the more commonly implicated factor in the etiology of hand dermatitis...
February 2018: International Journal of Dermatology
Slavomir Urbanček, Marianna Kuklová-Bieliková, Želmira Fetisovová, Gabriela Klimentová, Rober Vilček
Metalworking fluids (MWFs) are a common cause of allergic and irritant contact dermatitis. MWFs being currently used are mostly water based, containing biocides, emulsifiers, and other additives. We performed a retrospective analysis of the etiology of the occupational dermatoses caused by metalworking fluids in three regions of Central Slovakia (population of approximately 2 million) between 2000 and 2012. The primary aim was the analysis of metalworking fluid-induced dermatoses, which involved determining the particular disease type (allergic or irritant), its regional distribution, and the specific chemical causing the disease...
2014: Acta Dermatovenerologica Croatica: ADC
Lilla Landeck, Ernesto González, Lynn Baden, Konrad Neumann, Peter Schalock
BACKGROUND: Patch testing is performed to evaluate suspected allergic contact dermatitis. Common wisdom suggests that various allergens cross-react but only a few larger studies have published confirmations of this. The purpose of our study was to identify significant correlations between positive test reactions in a screening series. METHODS: A total of 1235 patients undergoing patch testing to the Hermal standard series at the Massachusetts General Hospital, Contact Dermatitis Clinic between 1990 and 2006 were investigated...
May 2010: International Journal of Dermatology
P V Avizonis, C B Hogge, R R Butts, J R Kenemuth
Thermal blooming is considered for the cases of with and without wind transverse to the beam propagation from the point of view of fluid dynamics of a compressible gaseous system and the coupling of this with geometric optics using eikonal formalism. Full compressible fluid dynamic relationships are developed (first-order perturbation approximation) with kinetics of energy relaxation from vibrational levels into heat and with thermal conductivity of a compressible gas as a heat loss mechanism. Eikonal theory is examined from the point of view of paraxial treatmen t in rigorous form, and some analytical beam intensity relationships are derived...
March 1, 1972: Applied Optics
Jacob Pontoppidan Thyssen, Klaus Ejner Andersen, Magnus Bruze, Thomas Diepgen, Ana M Giménez-Arnau, Margarida Gonçalo, An Goossens, Christophe Le Coz, John McFadden, Thomas Rustemeyer, Ian R White, Jonathan M White, Jeanne Duus Johansen
BACKGROUND: Positive patch test reactions to p-phenylenediamine (PPD) are common. PPD is used in oxidative hair dyes and is also present in dark henna temporary 'tattoos'. Cross-sensitization to other contact allergens may occur. Because subjects sensitized to PPD are at risk of clinically severe reactions upon hair dyeing, there is a need for 'current' prevalence data on PPD sensitization. OBJECTIVES: To compare PPD patch test results from dermatitis patients tested between 2003 and 2007 in 10 European patch test centres and to analyse the causes and determine relevance of positive PPD patch test reactions...
June 2009: Contact Dermatitis
Lilla Landeck, Peter C Schalock, Lynn A Baden, Konrad Neumann, Ernesto Gonzalez
BACKGROUND: The diagnostic tool to detect allergic contact sensitization is patch testing. OBJECTIVE: Results of patch testing performed from January 1998 to December 2006 at the Massachusetts General Hospital (MGH) are analyzed and compared to our 1990-1997 data as well as to data from North American and European contact dermatitis societies. METHODS: Data were collected from retrospective chart reviews and analyzed, focusing on the Hermal standard tray...
March 2009: Dermatitis
A Machovcova, E Dastychova, D Kostalova, A Vojtechovska, J Reslova, D Smejkalova, J Vaneckova, A Vocilkova
The patch test results of 12 058 patients (4416 male and 7642 female) referred to 9 clinics in the Czech Republic between January 1997 and December 2001 were evaluated. Patients were tested with the same series of allergens by using the standardized patch testing method. The current standard tool for diagnosing allergic contact dermatitis (ACD) in the Czech Republic is the Trolab test panel (Hermal, Reinbeck, Germany) which consists of 23 allergens. Only a few data exists on ACD in the Czech Republic. All patients were tested with the 23 allergen European standard series...
September 2005: Contact Dermatitis
Marina Jovanović, Mirjana Poljacki, Verica Duran, Ljuba Vujanović, Ruza Sente, Slobodan Stojanović
To investigate the frequency of Compositae sensitivity is one of the most important goals of current dermatology and allergology. We have patch tested 30 adult patients suffering from "extrinsic" atopic dermatitis with sesquiterpene lactone mix and Compositae mix including Compositae mix individual ingredients, extracts of arnica (Arnica montana), chamomile (Chamomilla recutita), tansy (Tanacetum vulgare), fever few (Tanacetum parthenium) and yarrow (Achillea millefolium) as well as with specific series for patients with atopic dermatitis...
May 2004: Medicinski Pregled
Claudia Schiessl, Carola Wolber, Robert Strohal
The reproducibility of patch tests is an important determinant of the clinical value of this diagnostic procedure. The aim of the present study was to delineate comparatively the efficiency and reproducibility of identical test reagents from 2 different commercial sources. Purchased in duplicate from brial and Boots-Hermal, 30 allergens from the European standard and an extension series were simultaneously applied to Finn Chambers and affixed next to each other. Out of 2070 paired patch tests in 71 patients, 97...
January 2004: Contact Dermatitis
M Jovanović, N Mimica-Dukić, M Poljacki, P Boza
Erythema multiforme (EM) as a complication of patch testing (PT) is rare. A 52-year-old woman with a 13-year history of episodes of EM, after contact with weeds during home gardening, had had no recent history of herpes simplex, other infection, drug ingestion or vaccination. On examination, EM lesions were distributed on the exposed skin. 5 weeks after complete resolution, PT and photopatch testing (PPT) were done with fresh plants she brought in. She was PT with a standard series and the Hermal-Trolab plants, woods, tars, balsams and flavors series...
January 2003: Contact Dermatitis
P C M van de Kerkhof, J Berth-Jones, C E M Griffiths, P V Harrison, H Hönigsmann, R Marks, R Roelandts, E Schöpf, C Trompke
BACKGROUND: As psoriasis patients often require continuous treatment optimal therapy has to provide efficacy and a good safety profile over the long term. OBJECTIVES: The aim of this multicentre study was to assess the efficacy, safety and tolerability of tacalcitol (4 microg g(-1)) ointment (Curatoderm, Hermal, Reinbek, Germany) applied once daily over a treatment period of 18 months. PATIENTS AND METHODS: Efficacy parameters were Psoriasis Area Severity Index (PASI), based on summed scores of erythema, infiltration and scaling and total body surface involvement (TBI)...
March 2002: British Journal of Dermatology
K Obtułowicz, T Kotlinowska, M Stobiecki, M Wyczółkowski, A Mazurkiewicz
The studies were performed in 20 workers from the Health Service (13 women and 7 men in the age 25-57) suffering from hand urticaria (6 persons) and hand dermatitis (14 persons) suspected of the allergy to latex gloves. In all patients the familial and personal predispositions to allergy were evaluated by the anamnesis, the estimation of total IgE serum level and the skin prick tests (SPT) with inhalant allergens. The latex allergy was diagnosed by SPT and contact test with standardized extract of the natural latex allergen in the concentration 1000 PNU/ml (Nexter-Allergopharma) and by estimation of specific to latex IgE serum level...
May 1998: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
S Schauder
BACKGROUND: Although photosensitivity after photoallergy to topical phenothiazine antihistamines is well known, there have been no previous reports of dioxopromethazine inducing this phenomenon. OBJECTIVE: A housewife used 0.5% dioxopromethazine in Prothanon gel for palpebral pruritus and developed severe dermatitis of the lower eyelids with spread to the sun-exposed areas. METHODS: The minimal erythema doses and the minimal infiltrate doses for ultraviolet A (UVA) and ultraviolet B (UVB) were established before photopatch testing and at intervals up to 497 days thereafter...
September 1998: American Journal of Contact Dermatitis: Official Journal of the American Contact Dermatitis Society
A Larkin, R L Rietschel
BACKGROUND: The number of patch test allergens available within the United States for routine commercial purchase is limited. Allergens chosen for inclusion in routine screening series or patch test trays vary, and the degree of information obtained from any series may or may not serve a patient's needs. OBJECTIVE: Knowledge of how well the allergens chosen for inclusion in the two commercially available sources perform compared with a more expansive panel of tests can help physicians select the more appropriate tests...
September 1998: American Journal of Contact Dermatitis: Official Journal of the American Contact Dermatitis Society
B Santucci, C Cannistraci, A Cristaudo, E Camera, M Picardo
Contact allergy to thimerosal (TH) has not been considered a marker for mercury allergy, since there is a low degree of cross-sensitivity to inorganic as well as to organic mercury salts. 40 subjects, who previously gave a positive patch test reaction only to thimerosal 0.1% pet. (Hermal), when simultaneously repatch-tested to solutions containing TH, mersalyl acid, p-amino-phenylmercuric acid, mercuric acetate and thiosalicylic acid, respectively, gave positive reactions only to TH. 36 out of 40 subjects were divided into 2 groups of 18 subjects and simultaneously repatch-tested to solutions containing TH, methylmercury chloride (MeHgCl), thiosalicylic acid, and, ethylmercury chloride (EtHgCl), respectively...
June 1998: Contact Dermatitis
A R Clark, E F Sherertz
BACKGROUND: Contact dermatitis is said to be rare in psoriasis patients, possibly because of accelerated epidermal turnover, the isomorphic (Koebner) response, and lymphocyte functional alterations. OBJECTIVE: To identify contact allergy in patients with psoriasis. METHODS: A written questionnaire was completed by 100 patients with psoriasis about contact history, flare factors for psoriasis, topical skin care, medications, and occupational/hobby exposures...
June 1998: American Journal of Contact Dermatitis: Official Journal of the American Contact Dermatitis Society
E Spettoli, S Silvani, P Lucente, L Guerra, C Vincenzi
BACKGROUND: Compositae dermatitis involves workers such as gardeners, florists, and farmers, and less commonly people not employed in occupations at risk. OBJECTIVE: To report a case of contact sensitization caused by Compositae, the source of sensitization being both pesticides and plants. METHODS: A 65-year-old man, whose hobby was gardening, was affected by a chronic eczema of the face and the hands for 6 months that reoccurred after using fertilizers and handling plants...
March 1998: American Journal of Contact Dermatitis: Official Journal of the American Contact Dermatitis Society
C Ricci, S Vaccari, M Cavalli, C Vincenzi
BACKGROUND: Para aminobenzoic acid (PABA) derivatives and cinnamate are chemical sunscreens that protect against UVB (290 to 320 nm). They may occasionally produce contact and photocontact sensitization. OBJECTIVE: To report a sensitization to octyl-dimethyl-PABA and photosensitization to 2-ethylhexyl-p-metossicinnamate in a 31-year-old man. METHODS: A patient with a 3-year history of a relapsing dermatitis involving the face, neck, legs, and knees is reported...
September 1997: American Journal of Contact Dermatitis: Official Journal of the American Contact Dermatitis Society
M H el Samahy, T el-Kerdani
BACKGROUND: Because patients with atopic dermatitis are less prone to type IV allergies, there has been controversy regarding the role of patch testing in these patients. OBJECTIVE: The present study was conducted to evaluate the role of patch testing in atopic individuals. METHODS: One-hundred patients with hand eczema were patch tested using the standard patch test battery (HERMAL, Kurt Herrmann, Reinbek, West Germany) and the Finn chamber units...
September 1997: American Journal of Contact Dermatitis: Official Journal of the American Contact Dermatitis Society
B P Soni, E F Sherertz
BACKGROUND: One of the frustrations for clinicians who use patch testing is the patient in whom screening patch tests does not yield a relevant result that improves patient outcome. Is it allergic contact dermatitis? Was an allergen missed? Is the screening allergen relevant after all? OBJECTIVE: The purpose of this study was to look at the subset of patients referred to a contact clinic who had previously undergone patch testing to seek answers to these questions for this population...
March 1997: American Journal of Contact Dermatitis: Official Journal of the American Contact Dermatitis Society
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