Pityriasis versicolor pictures, symptoms and treatment. Diagnosis is based on clinical appearance and potassium hydroxide wet mount of skin scrapings. Jan 27, 2020 tinea versicolor or pityriasis versicolor is a common superficial cutaneous fungal infection characterized by pityriasiform desquamation and hypopigmented or hyperpigmented macules formation, primarily located on the chest and back with tendency to spread. Introduccion bonifaz a, pitiriasis versicolor, micologia medica basica, 4ta edicion. Objective to determine the efficacy of topical or systemic agents in the treatment and prevention of pityriasis versicolor. Pityriasis versicolor is an yeast infection that occurs at the level of the skin, leaning to the appearance of patches that are flaky and discolored especially in the chest and back area. The majority of tinea versicolor is caused by the fungus malassezia globosa, although malassezia furfur is responsible for a small number of cases.
Tinea versicolor or pityriasis versicolor is a common superficial cutaneous fungal infection characterized by pityriasiform desquamation and hypopigmented or hyperpigmented macules formation, primarily located on the chest and back with tendency to spread. In clinical terms, it generally presents on the trunk as round or oval macules that vary in color from hypopigmentation to blackish. Data sources the cochrane skin group specialized register to june 2008, cochrane central register of controlled. It is a superficial mycosis characterized by welldefined, slightly scaly skin lesions of variable color. Tinea versicolor dermatologic disorders msd manual. Some people see the rash disappear within 6 to 8 weeks, but it can take 5 months or longer for the skin to clear. Pityriasis alba may resemble tinea versicolor or tinea corporis but can be differentiated by negative koh results. It is not harmful or passed on through touching contagious. Pityriasis versicolor, also known as tinea versicolor, is a frequent, benign, superficial fungal infection of the skin.
It is well known that this organism fluoresces yellowgreen with black woods light. Although the organism is a saprophytic yeast that is part of the normal skin flora, a number of favorable conditions may trigger its conversion to the mycelial or hyphal form that is associated with. Jul 08, 2016 pityriasis versicolor most commonly affects teenagers and young adults when the sebaceous glands are more active. Unlike other disorders utilizing the term tinea eg, tinea pedis, tinea capitis, tinea. Although no therapeutic intervention is required, the use of emollients and lowpotency topical corticosteroids may be effective.
Patches of skin may be darker or lighter than your normal skin colour, or may be red, brown or pink. Pityriasis versicolor is a common infection of the skin caused by the yeast pityrosporum ovale. 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. May 22, 2018 tinea versicolor has a high rate of recurrence, and prophylactic treatment with topical or oral therapy on an intermittent basis is necessary to prevent recurrences in most cases. Pitiriasis versicolor salud publica enfermedades y trastornos. Pityriasis versicolor synonyms, pityriasis versicolor pronunciation, pityriasis versicolor translation, english dictionary definition of pityriasis versicolor. Pityriasis versicolor tinea versicolor is a chronic superficial mycosis caused by yeasts of the malassezia spp. Tinea versicolor due to malassezia furfur phil 2914 lores. Pityriasis versicolor pv is a cutaneous pigmentation disorder caused by a lipophilic yeast of the genus malassezia sp. It is relatively common in hot, humid climates and mainly seen in the uk during spells of hot humid weather. Tinea versicolor ie, pityriasis versicolor is a common superficial fungal infection. A clinical and epidemiological study of pityriasis versicolor. Pityriasis versicolor, sometimes called tinea versicolor, is a common fungal infection that causes small patches of skin to become scaly and discoloured. The patches can be of different colors, hence the versicolor addition to the pityriasis term used to describe the patches.
Pityriasis versicolor pv is a common superficial fungal infection caused by yeasts of the genus malassezia. Pityriasis versicolor is a common superficial infection of the skin caused by the yeast malassezia furfur also known as pityrosporum ovale or pityrosporum orbiculare. Diagnosis is based on clinical appearance and potassium hydroxide wet mount of skin s. It is more common in warm humid environments and may be seasonal. Some people who are prone to this condition need regular treatment to prevent the rash from coming back recurring. Scaly, hypopigmented macules of pityriasis versicolor on the chest of a child. Pityriasis versicolor definition of pityriasis versicolor. Age rare in childhood, becomes commoner in the late teens with a peak in the early 20s. Tinea pityriasis versicolor statpearls ncbi bookshelf. Clinical features of pityriasis versicolor include either hyperpigmented or hypopigmented finely scaly macules. Pityriasis alba is characterized by oval but poorly demarcated, slightly scaly, hypopigmented macules or patches located on the face typically the cheeks, upper trunk, or extensor surfaces of the arms fig. The most frequently affected sites are the trunk, neck, and proximal extremities. In the dermatological center pascua pitiriasis versicolor represents 8.
Most p eople with this condition are concerned about the appearance of the rash. Mar 31, 2016 pitiriasis versicolor luz marina miranda frias 2. Antonio david perezelizondo, lenin ortizortega, cristina contrerasguzman subject. These yeasts are normally found on the human skin and become troublesome only under certain circumstances, such as a warm. Conoce las diferencias entre pitiriasis versicolor vs vitiligo. Please visit our site for more information about other dermatological conditions. 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 rash often has an insidious onset and it may take months, or a sunny holiday, before it becomes noticed by the patient.
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. Treatment is with topical or sometimes oral antifungals. Patients with this disorder often present with hypopigmented, hyperpigmented, or erythematous macules on the trunk and proximal upper extremities picture 1ae. A clinical and epidemiological study of pityriasis versicolor srirath m kambil associate professor, department of dermatology, kannur medical college, anjarakandy, kannur, kerala, india to the mycelial phase pseudofilamentous parasitic form. If you have pityriasis rosea, the rash with go away without treatment. Jul 08, 2016 pityriasis versicolor is a rash caused by a yeastlike germ. Pityriasis versicolor is a superficial fungal infection of the skin. Dermis pityriasis versicolor information on the diagnosis. Certain environmental, genetic, and immunological factors can predispose. Pityriasis versicolor is a rash caused by a yeastlike germ. Pityriasis versicolor primary care dermatology society uk. In tropical countries prevalence has been estimated to be as high as 3040%, whereas in the uk it is around 14%.
The hypopigmentation typically persists for several months to years. Tinea versicolor is a condition characterized by a skin eruption on the trunk and proximal extremities. Pityriasis versicolor is a common skin rash in puberty and early adult life but can occur in infants. This fungus is part of the normal skin flora but can cause disease when it converts to its pathogenic hyphal form. Pityriasis versicolor is one of the most frequent fungal cutaneous infections. While you dont need to treat the rash, some patients ask for treatment to take care of the following. Pitiriasis versicolor is a frequent dermatosis in tropical and subtropical climates, it accounts for 32% of superficial mycoses. They tend to develop gradually and may join up to form. Malassezia species causative of pityriasis versicolor in paraguay. Pitiriasis versicolor farmacia profesional elsevier. Utility of woods lamp screening in patients with pityriasis versicolor by elizabeth m. Memiliki ciriciri bersisik, tidak berwarna atau tidak berpigmen,1,3,10 dan tanpa peradangan. Soung, in nelson pediatric symptombased diagnosis, 2018.
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