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