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. There are numerous and diverse topical and systemic therapeutic options that are successful for the treatment and prophylaxis of this mycosis. 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. Therefore, dermatophytosis and pityriasis versicolor of the skin are thought to be important factors of profound changes in skin barrier structure and function. The multiple colours of pityriasis versicolor give rise to the second part of the name, versicolor. Elongation of the rete ridges and mild increased basal layer pigmentation as seen in acanthosis nigricans can sometimes be observed. Pityriasis versicolor primary care dermatology society uk. Scaly, hypopigmented macules of pityriasis versicolor on the chest of a child. Penyakit ini dapat terjadi pada pria dan wanita, dimana pria lebih sering terserang dibanding wanita dengan perbandingan 3. Pityriasis versicolor is one of the most frequent fungal cutaneous infections.
Pityriasis versicolor pv is a cutaneous pigmentation disorder caused by a lipophilic yeast of the genus malassezia sp. Malassezia species causative of pityriasis versicolor in paraguay. It is uncommon in children and almost always with atypical clinical manifestations. 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. Disruption of barrier function in dermatophytosis and. Patches of skin may be darker or lighter than your normal skin colour, or may be red, brown or pink.
The epidermis may show mild hyperkeratosis and acanthosis figure 2. Utility of woods lamp screening in patients with pityriasis versicolor by elizabeth m. It is essential for dermatologists to recognize it and offer an appropriate treatment. Pityriasis versicolor is a common superficial fungal infection of the skin. Pityriasis versicolor is a common yeast infection of the skin, in which flaky discoloured patches appear on the chest and back.
Please visit our site for more information about other dermatological conditions. 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 tinea versicolor is a chronic superficial mycosis caused by yeasts of the malassezia spp. These yeasts are normally found on the human skin and become troublesome only under certain circumstances, such as a warm and humid environment. The term pityriasis is used to describe skin conditions in which the scale appears similar to bran. Pitiriasis versicolor microbiologia y parasitologia unam. It is thought that the fungus produces either an enzyme that interferes with pigment production, light. It is well known that this organism fluoresces yellowgreen with black woods light.
Pityriasis versicolor pv is a chronic cutaneous fungal infection caused by proliferation of lipophilic yeast malassezia species in the stratum corneum. Its etiology is unknown, and it has no effective treatment. Pityriasis versicolor dapat terjadi di seluruh dunia, tetapi penyakit ini lebih sering menyerang daerah yang beriklim tropis dan sub tropis. Setelah diambil diletakkan di atas gelas objek kemudian ditetesi koh 1020% atau campuran 9 bagian koh 1020% dengan 1 bagian tinta parker blueblack superchrome x akan lebih memperjelas pembacaan karena memberi tampilan warna. Pitiriasis versicolor es una infeccion superficial caracterizada por lesiones maculares, discromicas y. Pdf pitiriasis versicolor en santo domingo, republica. Tinea versicolor is a condition characterized by a skin eruption on the trunk and proximal extremities.
Kerokan kulit diambil dari bercak pityriasis versicolor, atau dengan menggunakan cellotape yang ditempel pada bercak. The low power view of pityriasis versicolor is suggestive of a mild superficial perivascular inflammation pattern figure 1. Pityriasis versicolor is a cosmopolitan disease that affects infants to elders, mostly aged between 15 and 30 years. Interventions for the treatment of pityriasis versicolor. Age rare in childhood, becomes commoner in the late teens with a peak in the early 20s. Pityriasis alba pa is a common condition in childhood. Tinea versicolor dermatologic disorders msd manual. Pityriasis versicolor is a rash caused by a yeastlike germ. Pitiriasis versikolor yang disebabkan malassezia furfur robin baillon 1889 adalah penyakit jamur superfisial yang kronik, biasanya tidak memberikan keluhan subyektif, berupa bercak berskuama halus yang bewarna putih sampai coklat hitam, terutama meliputi badan dan kadangkadang menyerang ketiak, lipat paha, lengan, tungkai atas, leher muka dan kulit kepala yang berambut. They tend to develop gradually and may join up to form. Diagnosa ditegakkan dengan gejala klinis, penemuan klinis berupa makula, berbatas tegas, bulat atau oval dengan ukuran yang bervarisasi.
Diagnosis is based on clinical appearance and potassium hydroxide wet mount of skin scrapings. 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. It is a superficial mycosis characterized by welldefined, slightly scaly skin lesions of variable color. Cuadro clinico, historico, topografia y morfologia. Data suggest that extensive pityriasis versicolor can be successfully and safely treated with the oral imidazole antifungal agents, including ketoconazole, 200 mgd for 10 days, itraconazole, 200 mgd for 7 days or 100 mgd for 2 weeks, or fluconazole, 300 mgwk for 2 to 4 weeks. The majority of tinea versicolor is caused by the fungus malassezia globosa, although malassezia furfur is responsible for a small number of cases. Pityriasis versicolor is a common world wide mycosis caused by malassezia spp. Some people who are prone to this condition need regular treatment to prevent the rash from coming back recurring. Pityriasis versicolor is a common infection of the skin caused by the yeast pityrosporum ovale. Antifungal treatment for pityriasis versicolor article pdf available in journal of fungi open access mycology journal 11. 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.
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