Jul 08, 2016 pityriasis versicolor is a common skin complaint in which flaky discoloured patches appear mainly on the chest and back. New aspects in the clinical course of pityriasis versicolor scielo. The results indicate that miconazole is a very efficacious and well tolerated drug in this condition. Regular use of fragrance free moisturizers is the best way to prevent pityriasis alba. Pityriasis versicolor pv is caused by the fungus malassezia, especially by malassezia globosa. Objective to determine the efficacy of topical or systemic agents in the treatment and prevention of pityriasis versicolor. It tells you what it is, what causes it, what can be done about it, and where you can find out more about it. Symptoms of pityriasis versicolor patches of skin may be darker or lighter than your normal skin colour, or may be red, brown or pink. A clinical and epidemiological study of pityriasis versicolor. Tinea versicolor is a chronic superficial fungal infection of the skin generally affecting the trunk or the proximal parts of the extremities and caused by various species of malassezia, primarily m. Pityriasis versicolor tinea versicolor is common infection of the stratum corneum. Under certain conditions, both exogenous and endogenous, the fungus can convert from a yeast to a pathogenic mycelial form. Pityriasis lichenoides pl is a skin condition characterized by small, raised pink spots that tend to come together in groups. It is more common in warm humid environments and may be seasonal.
Pityriasis rosea is a common harmless skin rash usually occurring between the ages of 10 and 35 but which may occur at any age. Pityriasis versicolor primary care dermatology society uk. Pityriasis versicolor formerly tinea versicolor is a common and benign superficial infection of the skin. Utility of woods lamp screening in patients with pityriasis versicolor by elizabeth m. The most frequently affected sites are the trunk, neck, and proximal extremities. It is essential for dermatologists to recognize it and offer an appropriate treatment. Its also called pityriasis versicolor and is caused by a type of yeast that naturally lives on your skin. Pityriasis versicolor pv, also known as tinea versicolor, is a chronic and benign superficial fungal skin infection caused by malassezia yeasts, which are part of the many microscopic organisms that normally live on the skin. What is pityriasis versicolor pityriasis versicolor is a common yeast infection of the skin, in which flaky discoloured patches appear on the chest and back the term pityriasis is used to describe skin conditions in which the scale appears similar to bran. Pityriasis versicolor, sometimes called tinea versicolor, is a common fungal infection that causes small patches of skin to become scaly and discoloured. Pityriasis versicolor is a common superficial fungal skin infection which occurs particularly in warm and humid climates in the presence of predisposing factors and which tends to recur. This leaflet has been written to help you understand more about pityriasis rosea. Tinea versicolor is a condition characterized by lighter or darker patches of skin. Pdf a expressao pitiriase versicolor define uma infeccao fungica superficial caracterizada por alteracoes na pigmentacao cutanea.
Authoritative facts about the skin from dermnet new zealand. The predisposing factors for pv are heat, humidity, hyperhidrosis, oral contraceptives, stress, application of oily preparations. Seven species are known of the malassezia genus, and are identified in vitro by their morphological. Tinea versicolor is characterized by small, discolored rashes or patches on the skin, which occurs as a result of the fungus interfering with the normal skin pigmentation. Tinea versicolor pityriasis versicolor medicinenet. Sebaceous glands release a fatty, oily substance called sebum through hair follicles in skin that provides nutrients necessary for the yeasts to survive. It is a fungal infection where an overgrowth of yeast. Recently, new systemic antifungal agents have become preferable in the treatment of pityriasis versicolor due to their. This chapter focuses on pityriasis versicolor, which is an infection of the skin caused by the lipophilic yeast genus malassezia, which contains at least 14 species with the modern molecular. It is not harmful or passed on through touching contagious. Typically, a rash appears on the neck, upper arms and chest.
Tinea pityriasis versicolor is a noncontagious infection of the skin caused by pityrosporum orbiculare malassezia furfur. Full text dermoscopic pattern of pityriasis versicolor. Pytiriasis versicolor is an infectious disease caused by several malassezia species which has a tendency to become relapsing or chronic. Pityriasis versicolor is a common superficial fungal infection caused by the malassezia furfur fungus, incident mainly in the tropics. Clinical features of pityriasis versicolor include either hyperpigmented or hypopigmented finely scaly macules. Tinea versicolor is a fungal infection of the skin. Tinea versicolor dermatologic disorders merck manuals. Pityriasis versicolor for parents nemours kidshealth. Pityriasis versicolor british association of dermatologists.
Diagnosis is based on clinical appearance and potassium hydroxide wet mount of skin s. Pityriasis versicolor is a fairly common pathology that occurs almost everywhere, but most often it is detected in residents of countries with a hot climate. Pityriasis versicolor is a common skin rash in puberty and early adult life but can occur in infants. An attempt is made to describe both clinical and epidemiological features in northern kerala. Pityriasis versicolor is a common skin complaint in which flaky discoloured patches appear mainly on the chest and back. Pityriasis means a type of fine skin scaling, and versicolor means changing colour. Tinea versicolor, also known as pityriasis versicolor, is a common noncancerous benign skin condition caused by surface superficial infection with a yeast that commonly lives on the skin. It may take months for skin colour to blend and look normal, but it always. Pityriasis versicolor pv first described in 1801 1 and the causative fungus isolated in 1846 2, is a wellknown skin eruption due to any number of fungi of the genus malassezia. This fungus is part of the normal skin flora but can cause disease when it converts to its pathogenic hyphal form. Candidiasis is caused by a yeastlike fungus of the genus candida most commonly c albicans that is. Pityriasis versicolor definition of pityriasis versicolor. May 22, 2018 tinea versicolor is a common, benign, superficial cutaneous fungal infection usually characterized by hypopigmented or hyperpigmented macules and patches on the chest and the back. Diagnosis is based on clinical appearance and potassium hydroxide wet mount of skin scrapings.
Pitiriyazis versikolorda sistemik flukonazol ve trakonazolun. Pityriasis versicolor is one of the most frequent fungal cutaneous infections. Tinea versicolor, also referred to as pityriasis versicolor, is a harmless, non contagious skin condition that leads to patches of lighter or darker skin. Most people with this condition are concerned about the appearance of the rash. Pityriasis amiantacea as manifestation of tinea capitis due to microsporum canis. In some patients pityriasis versicolor can be a recurrent problem and arises again when conditions are right for the malassezia to proliferate. Tinea versicolor, or pityriasis versicolor, is a common, usually asymptomatic superficial fungal infection that is most prevalent in the tropics. The cause of fungal infections is mostly lipophilia except for.
Pityriasis versicolor pv, also known as tinea versicolor, is a common superficial fungal infection of the stratum corneum outer layer of the epidermis resulting from a change to the mycelial filamentous fungus or mould state of dimorphic yeasts of the genus malassezia. Pityriasis rosea what are the aims of this leaflet. This form of superficial mycosis is characterized by the appearance of spotty, slightly scaly yellowish, brownish or whitish lesions on the body, having various sizes and shapes. Definisi pityriasis versicolor adalah infeksi jamur superfisial pada kulit yang disebabkan oleh malassezia furfur atau pityrosporum orbiculare dan ditandai dengan adanya makula di kulit, skuama halus dan disertai rasa gatal. Sohnle, in encyclopedia of microbiology fourth edition, 2019. In the past it was thought to be a postpubescent disease, however current evidence shows that versicolor pityriasis is not uncommon in school children. Interventions for the treatment of pityriasis versicolor ncbi. These yeasts, called malassezia, are not related to yeast in food or to those that cause thrush. Tinea versicolor is a condition characterized by a skin eruption on the trunk and proximal extremities. Dermoscopic pattern of pityriasis versicolor mahesh mathur, prakash acharya, alina karki, nisha kc, jyoti shahdepartment of dermatology, college of medical sciences, bharatpur, nepalbackground. Pityriasis versicolor alba is a hypopigmented or depigmented variant of pityriasis versicolor characterized by maculous, partly pityriasiform, scaly depigmented lesions occurring particularly in seborrhoeic areas.
We will merge all electronic searches and remove duplicate records. Pityriasis amiantacea sluyter, who associated it with pityriasis versicolor. However, there are ways to treat and prevent it, and most people outgrow the condition over time. These yeasts are normally found on the human skin and become troublesome only under certain circumstances, such as a warm and humid environment. Pityriasis versicolor, also known as tinea versicolor, is a frequent, benign, superficial fungal infection of the skin. Pityriasis versicolor pdf the american academy of dermatology in its az listing of conditions has under p pityriasis versicolor. Pityriasis versicolor is a mild or chronic condition characterized by scaly hypopigmented or hyperpigmented lesions usually affecting the trunk. Pityriasis versicolor pv is a chronic cutaneous fungal infection caused by proliferation of lipophilic yeast malassezia species in the stratum corneum 1,2. It causes lots of round and ovalshaped patches on the skin, especially on the chest, back, and upper arms. Pityriasis versicolor definition a common chronic, noninflammatory and usually symptomless disorder, characterized by the occurrence of multiple macular patches of all sizes and shapes, and varying in pigmentation from fawncoloured to brown. The color of these patches can be darker or lighter than the natural skin color. In the right conditions, such as warm, oily, and moist skin, the yeast malassezia can overgrow and cause a rash consisting of tan, pink, brown, or. However, some people are prone to this germ multiplying and spreading on their skin more than usual, which then leads to a rash developing. Tinea versicolor is skin infection with malassezia furfur that manifests as multiple asymptomatic scaly patches varying in color from white to tan to brown to pink.
Longpersisting hypopigmentation after healing of the pityriasis versicolor was first described by gudden in 1853. It is a common and harmless rash due to the overgrowth of yeasts that live on everyones skin. Sometimes steroid creams for the skin are used to treat more severe forms of the condition. Its a common cause of skin rash in teens and young adults. Pityriasis versicolor is a superficial chronic fungal infection of the skin affecting usually the scalp or areas involving dense distribution of sweat glands, such as the chest and back but it has been known to also spread to the upper arms, neck and abdomen.
Tinea pityriasis versicolor and malassezia folliculitis. Dermis pityriasis versicolor information on the diagnosis. Pityriasis versicolor is a superficial fungal infection of the skin produced by lipophilic dimorphic fungi belonging to the genus malassezia spp, which form part of the normal skin flora. Malassezia yeasts are the type of fungi that cause tinea versicolor, and they normally live on the skin. Pityriasis versicolor symptoms, diagnosis and treatment. Pityriasis versicolor formerly tinea versicolor caused by. Data are presented from seventeen studies 304 patients on the topical treatment of pityriasis versicolor with the substituted imidazole compound miconazole. Pityriasis versicolor is a common superficial fungal infection of the skin. A herald patch precedes the main rash by a few days, it is larger than subsequent lesions, usually 25 cm in diameter, brightred with fine scale and a sharply demarcated border. It classically occurs in adolescence and involves the upper trunk and neck. Pityriasis versicolor is a common yeast infection of the skin, in which flaky discoloured patches appear on the chest and back. Pityriasis versicolor red book 2015 red book online. Tinea or pityriasis versicolor is a common fungal skin infection that could cause areas of a persons skin to turn a variety of colors.
It is caused by malassezia, a lipophilic dimorphic fungus. The data of prevalence and risk factors vary from place to place. Pityriasis versicolor is a rash caused by a yeastlike germ. Prevent this by applying selsun blue shampoo on the areas that were affected previously once a month for several years. It is generally not harmful and it isnt contagious. Data sources the cochrane skin group specialized register to june 2008, cochrane central register of controlled. Pityriasis versicolor alba thoma 2004 journal of the. Pityriasis versicolor is a fungal skin infection caused by a type of yeast. Pityriasis versicolor pv is essentially a clinical diagnosis characterized by hypopigmented or hyperpigmented patches on the skin. Under conditions of warmth, increased moisture, and complex changes in skin fatty acids, the yeast transform to the hyphal form responsible for clinical disease. Infants and children are more likely to exhibit facial involvement, particularly of the bilateral temples.
Pityriasis versicolor, also known as tinea versicolor, is a type of skin infection caused by a yeast known as pityrosporum orbiculare. Tinea versicolor pityriasis versicolor authors beth g goldstein, md adjunct clinical assistant professor department of dermatology university of north carolina at. It is sometimes called tinea versicolor, although the term tinea should strictly refer to infection with a dermatophyte fungus. Pityriasis rosea is a common and harmless rash that goes away by itself after. Most trials did not adequately report the methods of randomization, concealment of allocation, and blinding, and many did not use intentiontotreat analysis. The term pityriasis is used to describe skin conditions in which the scale appears similar to bran. Tinea versicolor or pityriasis versico lor is a fungal infection of the skin, which is quite common.
Tinea versicolor, now called pityriasis versicolor, is one of the most common skin infections in tropical and subtropical areas of the world. Pityriasis versicolor pv, also known as tinea versicolor, is a chronic. Its caused by a fungus on your skin that grows out of control. This commensal organism is part of the normal skin flora. At first, the rash consists of small patches which are a different color from the rest of the skin. Some people who are prone to this condition need regular treatment to prevent the rash from coming back recurring. Tinea versicolor pityriasis versicolor is a superficial fungal skin infection, caused by malassezia spp. See british association of dermatologists patient information and leaflets.
Tinea versicolor, also referred to as pityriasis versicolor, is a skin condition characterized by patches of lighter or darker skin. It often presents as hypopigmented or pink plaques with fine scale on the neck, chest. Pityriasis versicolor synonyms, pityriasis versicolor pronunciation, pityriasis versicolor translation, english dictionary definition of pityriasis versicolor. In susceptible individuals the condition is often recurrent and may give rise to hyperpigmented or hypopigmented patches on. This precaution is especially important in the summer months because this fungus thrives in warm weather. Certain environmental, genetic, and immunological factors can predispose to this pathogenic conversion and contribute to the. When this happens the rash will start again, or become more widespread and scaly if the skin had not had the time to revert back to its original state in the first instance.
The multiple colours of pityriasis versicolor give rise to the second part of the name. Pityriasis rosea is an acute selflimiting rash of unknown cause. Most topical treatments used to treat pityriasis versicolor are. Tinea pityriasis versicolor statpearls ncbi bookshelf. Pityriasis rosea primary care dermatology society uk. The majority of tinea versicolor is caused by the fungus malassezia globosa, although malassezia furfur is responsible for a small number of cases. Scaly, hypopigmented macules of pityriasis versicolor on the chest of a child. Pityriasis versicolor is caused by the yeast form of a dimorphic fungus that is considered part of the normal human skin. Pityriasis versicolor, also known as tinea versicolor is a superficial chronically recurring fungal infection of the stratum corneum, characterized by scaly, dyspigmented irregular macules most often occurring on the trunk and extremities. Interventions for the treatment of pityriasis versicolor. It is caused by a type of yeast fungus that is found on most peoples skin.
Tinea versicolor or pityriasis versicolorcausessymptoms. In patients with a predisposition, tinea versicolor may chronically recur. It leads to hypo or hyperpigmented coalescing scaly macules on the trunk and upper arms. It exists in two forms, a yeast form and a form that resembles penne and meatballs when viewed microscopically. This second form produces the patches of discolored slightly scaly skin called tinea versicolor. The disease generally presents with hypopigmentation or hyperpigmentation lesions in the neck, trunk, and arms, and may occasionally cause mild itching. Pityriasis versicolor is a common, benign, chronic superficial skin infection caused by malassezia furfur seen in all age groups. Small numbers of the malassezia germs that causes pityriasis versicolor commonly live on the skin and do no harm.
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