28518 Differential diagnosis of scalp folliculitis and acne vulgaris affecting the scalp using polarized light dermatoscopy

Introduction: Acne vulgaris may rarely affect the scalp. Differential diagnosis between scalp folliculitis and acne vulgaris affecting the scalp is important because of the different management strategies of the two conditions. Polarized light dermatoscopic examination, in addition to clinical examination and patient history may be used to identify subtle changes, such as the presence of comedos typical for acne and which are not a feature of scalp folliculitis.