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    Prevalence of papular urticaria caused by flea bites and associated factors in children 1-6 years of age in Bogotá, D.C.
    World Allergy Organ J 2017 7;10(1):36. Epub 2017 Nov 7.
    Allergy Section, Hospital Universitario Fundación Santa Fe de Bogotá, Faculty of Medicine, Universidad de los Andes, Bogotá, Colombia.
    Background: Papular urticaria is a chronic inflammatory disease caused by exposure to arthropod bites. The disease has been reported in children attending medical centers, but the causes as the risk factors associated with the disease have not been established. The objective of this study was to determine the prevalence of papular urticaria caused by flea bite and identify the risk factors in children between 1 to 6 years of age in Bogotá D. Read More

    Analysis of pediatric dermatology inpatient consultations in a pediatric teaching hospital.
    Arch Argent Pediatr 2017 12;115(6):e377-e384
    Ataturk Research and Training Hospital, Department of Dermatology, Izmir, Turkey.
    Introduction: Although skin diseases are associated with low rate of hospitalization, dermatological manifestations are frequent in hospitalized patients. The aim of the study was to describe the inpatient dermatological consultations in a pediatric teaching hospital.

    Population And Methods: Recorded data from inpatient pediatric dermatology consultation requests on a total of 539 consecutive inpatients (aged 0-18 years) from January 2004 to April 2010 were analyzed for consult diagnosis, dermatological disease group, primary diagnosis, requesting department, diagnostic pattern, treatment modality and referral to another department. Read More

    Scabies: A clinical update.
    Aust Fam Physician 2017 ;46(5):264-268
    Background: Scabies is a common, yet neglected, skin disease. Scabies occurs across Australia, but most frequently in socioeconomically disadvantaged populations in tropical regions, including in remote Aboriginal and Torres Strait Islander communities. In temperate settings, the disease clusters in institutional care facilities. Read More

    Papular urticaria: A review of causal agents in Colombia.
    Biomedica 2016 Dec 1;36(4):632-645. Epub 2016 Dec 1.
    Instituto de Investigaciones Inmunológicas, Universidad de Cartagena, Cartagena, Colombia.
    Papular urticaria is a chronic allergic reaction induced by insect bites, which is common in the tropics. The objective of this review was to deepen on epidemiological and immunological aspects of this disease, focused on data published in Latin American countries.We conducted a non-systematic review of the literature through electronic search on the epidemiology of papular urticaria, the entomological characteristics of the causative agents and associated immunological mechanisms. Read More

    Reduced bacterial skin infections in HIV-infected African children randomized to long-term cotrimoxazole prophylaxis.
    AIDS 2016 Nov;30(18):2823-2829
    aQueen Mary University of London bMRC Clinical Trials Unit at UCL, London, UK cUniversity of Zimbabwe, Harare, Zimbabwe dJoint Clinical Research Centre, Kampala, Uganda eMedical Research Council/Uganda Virus Research Institute Uganda Research Unit on AIDS, Entebbe fPaediatric Infectious Diseases Clinic/Baylor - Uganda, Mulago Hospital, Kampala, Uganda.
    Objective: To evaluate whether cotrimoxazole prophylaxis prevents common skin conditions in HIV-infected children.

    Design: Open-label randomized controlled trial of continuing versus stopping daily cotrimoxazole (post-hoc analysis).

    Setting: Three sites in Uganda and one in Zimbabwe. Read More

    Renal disease in patients infected with hepatitis B virus.
    Trop Gastroenterol 2015 Oct-Dec;36(4):220-8
    Infection with hepatitis B virus (HBV) can result in hepatic diseases which may include an asymptomatic non-replicative carrier state, immunotolerant phase characterized by high DNA levels without significant hepatic injury, immune-reactive phase characterized by occurrence of chronic hepatitis and fibrosis in the liver, or complications like cirrhosis or hepatocellular carcinoma. Extrahepatic manifestations may also accompany HBV infection. These may include serum sickness syndrome, polyarthralgia, polyarthritis, dermatologic manifestations like pitted keratolysis, urticaria, purpura, oral lichen planus or Gianotti-Crosti syndrome-a childhood papular eruption. Read More

    Particularities of allergy in the Tropics.
    World Allergy Organ J 2016 27;9:20. Epub 2016 Jun 27.
    Allergy Section, Department of Internal Medicine, Hospital Vall d'Hebron, Barcelona, Spain.
    Allergic diseases are distributed worldwide and their risk factors and triggers vary according to geographical and socioeconomic conditions. Allergies are frequent in the Tropics but aspects of their prevalence, natural history, risk factors, sensitizers and triggers are not well defined and some are expected to be different from those in temperate zone countries. The aim of this review is to investigate if allergic diseases in the Tropics have particularities that deserve special attention for research and clinical practice. Read More

    Pattern of paediatric dermatoses at dermatology clinics in Ile-Ife and Ilesha, Nigeria.
    Paediatr Int Child Health 2016 Jan 29:1-7. Epub 2016 Jan 29.
    a Department of Dermatology and Venereology , Obafemi Awolowo University , Ile-Ife.
    Background: In developing countries, skin diseases are one of the most common causes of morbidity.

    Aim: A prospective descriptive study was conducted to determine the pattern of skin diseases in childhood and adolescents presenting to the outpatient dermatology clinics of Obafemi Awolowo University Teaching Hospitals Complex at Ile-Ife and Ilesha, Osun State.

    Methods: Patients aged 2 weeks to 19 years attending the clinics between October 2009 and September 2012 were included. Read More

    Pattern of Dermatoses Among Nicobarese in a Community Health Camp at Nancowry, Andaman and Nicobar Islands.
    Indian J Dermatol 2016 Mar-Apr;61(2):187-9
    Department of Dermatology, Command Hospital Air Force, Bengaluru, Karnataka, India.
    Background: The Andaman and Nicobar Islands are a group of islands to the east of the Indian mainland. The Nicobar district in its southern part includes the Nancowry group. Very little is known about the dermatoses in this remote region and hence, this study was carried out at a community medical camp held in Kamorta on November 12, 2014. Read More

    Epithelial sheath neuroma: evidence supporting a hyperplastic etiology and epidermal origin.
    J Cutan Pathol 2016 Jun 1;43(6):531-534. Epub 2016 Apr 1.
    Department of Dermatopathology, Clarian Pathology Lab, Indiana University, Indianapolis, IN, USA.
    An epithelial sheath neuroma (ESN) is a rare benign process of unknown pathogenesis, which is characterized histologically by multiple enlarged peripheral nerve fibers ensheathed by mature squamous epithelium. The histologic features can elicit concern for carcinomatous perineural invasion. The process is limited to the superficial dermis and is surrounded by a loose myxoid stroma, lymphocytic infiltrate and sometimes prominent infundibular cysts. Read More

    The effects of the El Niño Southern Oscillation on skin and skin-related diseases: a message from the International Society of Dermatology Climate Change Task Force.
    Int J Dermatol 2015 Dec 15;54(12):1343-51. Epub 2015 Oct 15.
    Division of Clinical Dermatology, Mayo Clinic, Rochester, MN, USA.
    The El Niño Southern Oscillation (ENSO) is a complex climate phenomenon occurring in the Pacific Ocean at intervals of 2-7 years. The term refers to fluctuations in ocean temperatures in the tropical eastern Pacific Ocean (El Niño [the warm phase of ENSO] and La Niña [the cool phase of ENSO]) and in atmospheric pressure across the Pacific basin (Southern Oscillation). This weather pattern is attributed with causing climate change in certain parts of the world and is associated with disease outbreaks. Read More

    Pattern of paediatric dermatoses at dermatology clinics in Ile-Ife and Ilesha, Nigeria.
    Paediatr Int Child Health 2016 May;36(2):106-12
    a Department of Dermatology and Venereology , Obafemi Awolowo University , Ile-Ife.
    Background: In developing countries, skin diseases are one of the most common causes of morbidity.

    Aim: A prospective descriptive study was conducted to determine the pattern of skin diseases in childhood and adolescents presenting to the outpatient dermatology clinics of Obafemi Awolowo University Teaching Hospitals Complex at Ile-Ife and Ilesha, Osun State.

    Methods: Patients aged 2 weeks to 19 years attending the clinics between October 2009 and September 2012 were included. Read More

    Demographic and clinical profiles in patients with acute urticaria.
    Allergol Immunopathol (Madr) 2015 Jul-Aug;43(4):409-15. Epub 2014 Sep 1.
    Allergy and Clinical Immunology Department, Centro Médico-Docente La Trinidad, Caracas, Venezuela.
    Background: Urticaria is a common cause for consultation in general and specialised medical practices. There is scarce information on the characteristics of patients suffering acute urticaria in Latin America.

    Objectives: To investigate demographic and clinical features of patients with acute urticaria attending two allergy clinics in Caracas, Venezuela. Read More

    [Urticaria in children attending allergy services].
    Rev Alerg Mex 2014 Apr-Jun;61(2):90-8
    Departamento de Alergología e Inmunología Clínica, Clínica El Ávila, 6a. transversal Urb. Altamira, piso 8, consultorio 803, Caracas 1060, Venezuela.
    Background: There is little information on urticaria occurring in children, especially in limited resource countries.

    Objective: To determine the demographic and clinical features of urticaria in children living in a developing country.

    Patients And Method: A prospective study was done in children from two allergy outpatient clinics were prospectively studied. Read More

    Prevalences of skin diseases among primary schoolchildren in Damietta, Egypt.
    Int J Dermatol 2014 May;53(5):609-16
    Department of Dermatology, Venereology and Andrology, Ain Shams University, Cairo, Egypt.
    Objectives: Information on prevalences of pediatric dermatoses in Egypt is scanty. This study aimed to supplement existing data.

    Methods: A cross-sectional study was conducted in Damietta, Egypt between October 2011 and March 2012. Read More

    [Urticaria: diagnosis and treatment].
    Rev Med Interne 2014 Sep 25;35(9):586-94. Epub 2014 Feb 25.
    Service de dermatologie et d'allergologie, hôpital Tenon, AP-HP, 4, rue de la Chine, 75020 Paris, France.
    Urticaria is a common inflammatory skin disease. It is clinically defined as the occurrence of transient papular skin and/or mucosal lesions or subcutaneous lesions called angioedema. Chronic urticaria is defined as a clinical course over more than 6weeks. Read More

    Dermatoscopic findings of urticaria pigmentosa.
    An Bras Dermatol 2013 Nov-Dec;88(6):986-8
    University Hospital Pedro Ernesto, University of the State of Rio de Janeiro, Rio de JaneiroRJ, Brazil, Resident in Dermatology at University Hospital Pedro Ernesto - University of the State of Rio de Janeiro (HUPE-UERJ) - Rio de Janeiro (RJ), Brazil.
    Mastocytosis is a rare disease characterized by proliferation and accumulation of mast cells in various organs. The maculopapular cutaneous mastocytosis is divided into three subtypes: papular/plaque variant, urticaria pigmentosa and eruptive macular telangiectasia perstans. Dermoscopic may help to better characterize the different forms of cutaneous mastocytosis. Read More

    [Cutaneous adverse drug reaction: prospective study of 118 cases].
    Tunis Med 2013 Aug-Sep;91(8-9):514-20
    Background: Few prospective studies are available on the incidence and analysis of the characteristics of adverse cutaneous drug reactions.

    Aim: To describe the adverse cutaneous reactions, their epidemiologic characteristics as well as the different causative drugs through a prospective hospital study.

    Methods: A 12-month prospective study was managed in our department of dermatology of the teaching hospital Hedi Chaker of Sfax. Read More

    Epidemiological study of insect bite reactions from central India.
    Indian J Dermatol 2013 Sep;58(5):337-41
    Department of Dermatology, Venereology and Leprosy, MGIMS, Sevagram, Maharashtra, India.
    Introduction: The physical effects of the arthropod bites on human skin receive less attention, especially in the rural areas where the per capita income is less. Ours is a rural-based hospital, the vicinity having more of plants, trees, and forests; we undertook the study to find out the relation of insect bite dermatitis in a rural area.

    Materials And Methods: The study was carried out in the Dermatology outpatient department of our institute on 100 subjects of insect bite dermatitis who were questioned retrospectively about the sequence of events besides their environmental and living conditions. Read More

    Specific dermatoses of pregnancy and their treatment.
    Dermatol Ther 2013 Jul-Aug;26(4):274-84
    The Ronald O. Perelman Department of Dermatology, New York University, New York, New York 10016, USA.
    The specific dermatoses of pregnancy represent a diverse group of intensely pruritic dermatoses, occurring only in the puerperal state. The relative rarity of these conditions, the often variable clinical appearance, and the lack of definitive diagnostic tests have led to confusion regarding the appropriate diagnosis and management of the specific dermatoses of pregnancy. Herein we review the clinical characteristics, diagnosis and treatment of five dermatoses occurring during pregnancy: pruritic urticarial papules and plaques of pregnancy, atopic eruption of pregnancy, pemphigoid gestationis, intrahepatic cholestasis of pregnancy, and pustular psoriasis of pregnancy. Read More

    Incidence and care of environmental dermatoses in the high-altitude region of ladakh, India.
    Indian J Dermatol 2013 Mar;58(2):107-12
    Department of Dermatology, Venereology and Leprosy, Command Hospital, Eastern Command, Kolkata, India.
    Background: Low humidity, high-velocity wind, excessive ultraviolet (UV) exposure, and extreme cold temperature are the main causes of various types of environmental dermatoses in high altitudes.

    Materials And Methods: A retrospective study was carried out in patients visiting the lone dermatology department in Ladakh between July 2009 and June 2010. The aim was to identify the common environmental dermatoses in high altitudes so that they can be treated easily or prevented. Read More

    Differences in IgE mediated basophil degranulation induced by proteic fractions from whole flea body extract in patients with papular urticaria by flea bite and healthy controls.
    World Allergy Organ J 2013 May 16;6(1):10. Epub 2013 May 16.
    Sección de Alergia y Dermatología Pediátrica, Fundación Santa Fe de Bogotá, Carrera 9 Nº 117-20, oficina 205, Bogotá, DC, Colombia.
    Background: Papular urticaria by flea bite (PUFB) is a chronic inflammatory disease in children. The aim of this study was to assess the functional activity of IgE to protein fractions from flea body extract, through basophil degranulation in PUFB patients and controls.

    Methods: Basophil degranulation, measured by overexpression of CD63 surface molecules, was evaluated by flow cytometry in samples from patients and controls. Read More

    Recommendations for the management of beta-lactam intolerance.
    Clin Rev Allergy Immunol 2014 Aug;47(1):46-55
    Department of Allergy, Southern California Permanente Medical Group, San Diego Medical Center, 7060 Clairemont Mesa Blvd., San Diego, CA, 92111, USA,
    Beta-lactam intolerance, most of which is not IgE or even immunologically mediated even though it is commonly called an "allergy," can be safely managed using the following seven steps: 1. Avoid testing, re-challenging, or desensitizing individuals with histories of beta-lactam associated toxic epidermal necrolysis, Stevens-Johnson syndrome, drug reaction with eosinophilia and systemic symptoms syndrome, severe hepatitis, interstitial nephritis, or hemolytic anemia. 2. Read More

    Insect bite reactions.
    Indian J Dermatol Venereol Leprol 2013 Mar-Apr;79(2):151-64
    Department of Dermatology and Venereology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India.
    Insects are a class of living creatures within the arthropods. Insect bite reactions are commonly seen in clinical practice. The present review touches upon the medically important insects and their places in the classification, the sparse literature on the epidemiology of insect bites in India, and different variables influencing the susceptibility of an individual to insect bites. Read More

    Insect bites and what is eating you?
    J Egypt Soc Parasitol 2012 Aug;42(2):291-308
    Department of Parasitology, Faculty of Medicine, Ain Shams University, Cairo 11566, Egypt.
    Most insect bites cause local inflammatory reactions that subside within a few hours. However, more severe local symptoms, transmission of a disease-causing pathogen, and systemic allergic reactions are also possible. Mosquito bites can cause varying degrees of local swelling, papular urticaria in children, and rare systemic allergic reactions, including anaphylaxis. Read More

    Pattern of pediatric dermatoses at a referral centre.
    Indian J Pediatr 2014 Apr 6;81(4):375-80. Epub 2012 Nov 6.
    Department of Dermatology, STD and Leprosy, Bangalore Medical College and Research Institute, Bangalore, 560002, India.
    Objective: To determine the pattern of skin disorders seen among children attending a Medical College Hospital, Bangalore

    Methods: All children 18 y and below attending the Pediatric Dermatology OPD with skin diseases between the period of January 2011 and June 2011 were included in the study.

    Results: A total of 1,090 new cases (boys 589; girls 501) with 1,118 dermatoses were recorded during this period. Twenty eight children had more than one dermatoses. Read More

    Photodermatoses in pigmented skin.
    Photochem Photobiol Sci 2013 Jan;12(1):65-77
    Department of Dermatology and Venereology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi-110029, India.
    Photodermatoses are a group of skin diseases primarily caused by, or exacerbated by exposure to ultraviolet and or visible radiation. The effect of sunlight on skin depends on a number of factors including skin colour, skin phototype and the content and type of melanin in the skin. There are only a few studies describing photodermatoses in populations with dark skin. Read More

    Common Dermatoses in Children Referred to a Specialized Pediatric Dermatology Service in Mexico: A Comparative Study between Two Decades.
    ISRN Dermatol 2012 14;2012:351603. Epub 2012 Oct 14.
    Department of Pediatric Dermatology, Instituto Nacional de Pediatría, 04530 Mexico City, DF, Mexico ; Division of Children's Health and Therapeutics, Children's Health Research Institute, London, ON, Canada N6C 2V5.
    Background. Skin diseases among pediatric patients differ from those in adults. Epidemiological studies are scarce, and those performed in Mexican population date back thirty years. Read More

    Differences in systemic and skin migrating-specific CD4 T cells in papular urticaria by flea bite.
    Int Arch Allergy Immunol 2013 25;160(2):165-72. Epub 2012 Sep 25.
    Departamento de Microbiología, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, Colombia.
    Background: Papular urticaria by flea bite is a chronic allergic condition in which clinical improvement may occur at the age of 7 years, thus representing a natural model of acquired immunologic tolerance in humans. The aim of this study was to characterize regulatory cells and specific responses to flea antigens of CD4(+) T lymphocytes expressing cutaneous migration markers in patients with papular urticaria caused by flea bite and with different disease evolution times.

    Methods: Cell populations were characterized by flow cytometry in samples from patients and healthy controls. Read More

    Distinguishing cellulitis from its mimics.
    Cleve Clin J Med 2012 Aug;79(8):547-52
    Department of Dermatology, Cleveland Clinic, Cleveland, OH 44195, USA.
    Distinguishing true cellulitis from its many imitators is challenging but critical if we are to avoid unnecessary use of antibiotics and delays in treatment. Common imitators of cellulitis are stasis dermatitis, lipodermatosclerosis, contact dermatitis, lymphedema, eosinophilic cellulitis, and papular urticaria. Specific criteria do not exist for the diagnosis of cellulitis, but the alert physician can find clues in the history and physical examination that point toward cellulitis. Read More

    Dermatophytosis and papular eosinophilic/mastocytic dermatitis (urticaria pigmentosa-like dermatitis) in three Devon Rex cats.
    J Feline Med Surg 2012 Jul;14(7):498-502
    Unlabelled: PRESENTING SIGNS: Three Devon Rex cats were presented with multiple erythematous papules, occasionally associated with crusting and hyperpigmentation, with a linear distribution on the head, neck, chest and abdomen. One cat also had multifocal alopecia with hyperpigmentation on the dorsum.

    Diagnosis And Treatment: Clinical and histopathological features were suggestive of papular eosinophilic/mastocytic dermatitis (urticaria pigmentosa-like dermatitis). Read More

    [Expression of IL-10, IL-4 and IFN-γ in active skin lesions of children with papular urticaria].
    Biomedica 2011 Oct-Dec;31(4):525-31
    Sección de Alergia Pediátrica, Fundación Santa Fe de Bogotá, DC, Colombia.
    Introduction: Papular urticaria caused by the bites of fleas traditionally has been defined as a chronic allergic disease. However, currently no clear relationship has been described between this pathology and common allergic diseases.

    Objective: The expression of IL-10, IL-4 and IFN-γ as markers of effector T cell responses was examined in skin lesions of patients with papular urticaria by flea bite. Read More

    A case of autoimmune progesterone dermatitis diagnosed by progesterone pessary.
    Australas J Dermatol 2011 May;52(2):139-41
    Skin and Cancer Foundation, Sydney, New South Wales, Australia.
    Autoimmune progesterone dermatitis is a rare, cyclical eruption that occurs in the luteal phase of the menstrual cycle and during pregnancy. Many manifestations have been reported including cyclical eczema, urticaria, erythema multiforme, stomatitis and even anaphylaxis. The condition spontaneously resolves after menopause. Read More

    Papular and annular fixed urticarial eruption: a characteristic skin manifestation in patients with relapsing polychondritis.
    J Am Acad Dermatol 2011 Dec 18;65(6):1161-6. Epub 2011 May 18.
    Department of Dermatology, Rouen University Hospital, University of Rouen, Rouen, France.
    Background: Skin manifestations of relapsing polychondritis (RP) are usually nonspecific.

    Objective: We report a series of patients with RP who presented with annular skin lesions.

    Methods: The clinical and histologic features and follow-up data of patients with RP and an annular urticarial eruption were retrospectively reviewed. Read More

    [Skin reactions on exposure to the pine processionary caterpillar (Thaumetopoea pityocampa)].
    Actas Dermosifiliogr 2011 Nov 4;102(9):658-67. Epub 2011 May 4.
    Servicio de Dermatología, Hospital Universitario Río Hortega, Valladolid, Spain.
    The pine processionary caterpillar is the larval form of the Thaumetopoea pityocampa moth. Mediterranean forests regularly suffer plagues of this insect, which has been moving north as a result of global warming. When the small urticating hairs that develop during the last 3 larval stages are shed and can become airborne. Read More

    Coexistence of two types of clinical lesions in childhood-onset mastocytosis.
    Indian J Dermatol Venereol Leprol 2011 Mar-Apr;77(2):184-7
    Department of Dermatology, University Complex Hospital of Vigo, Spain.
    The vast majority of mastocytosis appear in childhood, urticaria pigmentosa (UP) and mastocytomas being the most common types. Terms such as "xanthelasmoid mastocytosis", "pseudoxanthomatous mastocytosis" or "nodular mastocytosis" have been introduced in the literature to describe the presence of yellowish papular or nodular lesions. We describe two children with cutaneous mastocytosis showing yellowish lesions in combination with other skin lesions. Read More

    Pemphigoid gestationis.
    Dermatol Online J 2010 Nov 15;16(11):10. Epub 2010 Nov 15.
    Department of Dermatology, New York University, New York, NY, USA.
    Pemphigoid gestationis is a rare autoimmune blistering disease of pregnancy. It is characterized by pruritic, urticarial plaques with the development of tense vesicles and bullae within the lesions. Pemphigoid gestationis has been associated with premature delivery, small-for-gestational-age infants. Read More

    Pediatric dermatology in practice: spectrum of skin diseases and approach to patients at a Turkish pediatric dermatology center.
    Cutan Ocul Toxicol 2011 Jun 16;30(2):138-46. Epub 2010 Dec 16.
    Dr. Behçet Uz Children's Hospital, Izmir, Turkey.
    Purpose: The aim of this study was to determine the real spectrum of skin diseases in Turkish children and how they were managed.

    Methods: Data on a total of 6000 consecutive patients aged 0-18 years attending the pediatric dermatology clinic were analyzed for diagnosis, disease group, diagnostic pattern, treatment modality, and referral and hospitalization frequency.

    Results: Allergic skin diseases (49. Read More

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