Table of Contents Suggested approach to seborrhoeic keratosis OSCE station Describing lesionsDifferential diagnosisManagementQuestionsDermatological skin exam OSCE station Seborrhoeic keratosis is a benign skin growth originating from keratinocytes. Suggested approach to seborrhoeic keratosis OSCE station Describing lesions Lesion‘There is a well-demarcated dark brown papule on the upper left part of the patient’s back.’‘This is 4mm in diameter and has a regular border, with a stuck-on appearance.’‘The lesion is raised, with a rough surface, but there are no secondary features.’‘This lesion is characteristic of a seborrhoeic keratosis.’ Seborrhoeic keratosis Differential diagnosis MelanomaMelanocytic naevus DermatofibromaPigmented basal cell carcinomaAcanthosis nigricans Management ReassuranceRemove surgically if diagnostic uncertaintyRemove using cryotherapy or curettage and cautery if cosmetic concernsTopical corticosteroids for itchy/irritated lesions Questions What is a complication of seborrheic warts? Oops! This section is restricted to members. What is Leser-Trélat sign? Oops! This section is restricted to members. Dermatological skin exam OSCE station Dermatological skin examFind more stations here