Derm End Of Didactic 2024-2025

A 14-year-old boy presents to your office with a mildly pruritic rash that involves his chest and back. He reports it began with a single lesion on his back, but now has spread to involve his entire back and chest. You note on your examination the presence of multiple secondary lesions that appear to follow cleavage lines. The most likely diagnosis is Pityriasis rosea Which of the following skin lesions appears as a 'Christmas tree pattern'? Pityriasis rosea Hyperpigmentation of the sun-exposed areas of the face, usually due to estrogen Melisma Patient will present as a one-week-old infant with a wide-scale symmetrical papular eruption over his trunk. Lesions align along skin folds. He had a mild upper respiratory infection last week prior to presenting to the clinic. Pityriasis rosea Well-demarcated, erythematous plaque with silver scaling. Patients may also present with no rash and only joint symptoms Psoriasis Dx of Psoriasis is based onappearance and distribution of lesions Psoriasis is found on what surfaces? extensor surfaces What type of psoriasis is the most common? Plaque psoriasis What dermatological microscopic term describes the increased thickness of the stratum corneum seen in psoriasis? Hyperkeratosis Treatment of psoriasis? Steroids + Vit D analogs A