TY - JOUR T1 - Hyperpigmented pityriasis versicolor misdiagnosed as acanthosis nigricans JF - Archives of Disease in Childhood JO - Arch Dis Child DO - 10.1136/archdischild-2021-322030 SP - archdischild-2021-322030 AU - Benedetta Bossini AU - Michele Mazzolai AU - Irene Berti AU - Egidio Barbi Y1 - 2021/04/30 UR - http://adc.bmj.com/content/early/2021/04/29/archdischild-2021-322030.abstract N2 - A 15-year-old girl presented with a 3-month history of non-pruritic hyperpigmented macules on her back (figure 1). Her history included severe obesity and hyperinsulinism. The lesions were previously diagnosed as acanthosis nigricans.Figure 1 Well-demarcated, coalescing, hyperpigmented macules on the patient’s back.Physical examination showed well-demarcated, coalescing and finely scaling macules on the back. Examination with a Wood lamp revealed a yellow-green fluorescence. A diagnosis of pityriasis versicolor (PV) was made. Oral treatment with 2 weeks of fluconazole was … ER -