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Pityriasis alba
The following articles have the tag Pityriasis alba
The variations of pityriasis versicolor
CASE STUDY A 52-YEAR-OLD man presents for a routine skin check and is noted to have erythematous scaly macules covering his back and shoulders (Figure 1). He was unaware of these, although six months earlier he had been diagnosed with pityriasis versicolor, which responded to twice-weekly application of 2% ketoconazole shampoo. Figure 1: Multiple erythematous macules coalescing on the shoulder. PITYRIASIS VERSICOLOR Pityriasis versicolor (PV) is a superficial, chronically recurring disease of the stratum corneum. It typically presents with scaly, irregular macules on the trunk and ...
Sun, surf and spots
A 21-year-old man presents with an asymptomatic pale ‘spotty’ rash on his trunk that has spread over summer. He is concerned about the unsightly appearance, especially when he is bare-chested at the surf club. He is also concerned that it may be infectious. What is your diagnosis and management? Figures A and B: Pityriasis versicolor presents as finely scaling discoloured patches on the trunk. DIAGNOSIS Pityriasis versicolor (PV), or tinea versicolor, is a common condition affecting adolescents and young adults. PV presents as finely scaling discoloured ...
Vitiligo
A depigmenting rash. A 21-year-old woman presents with a 12-month history of widespread depigmentation. It initially began on her right hand, and she is depressed about her skin condition. Clinically, she has asymptomatic white areas with well-defined edges. The hairs are white within these areas. There is no cure for vitiligo and its cosmetic disfigurement can have profound psychological effects. PROVISIONAL DIAGNOSIS Vitiligo is a common acquired loss of pigmentation of the skin, affecting 1%-2% of the population. Destruction of melanocytes occurs and, although the precise cause ...