Seborrheic Dermatitis

by Carlo Raj, MD

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    Our topic here is seborrheic dermatitis. I want you to take a look at our patient right off the bat. You’ll notice that, oh my goodness, do not confuse this with malar rash of SLE. Do not confuse this with rhinophyma of rosacea, or maybe even perhaps acne, but the patient looks a little bit older. So, the things that you want to keep in mind, as soon as you see this picture, is that, well, could it be rosacea? Could it be acne vulgaris? Could it be the malar rash of SLE, right? Let’s talk about seborrheic dermatitis, dermatitis, dermatitis. Why do I repeat that? Because I don’t want you to get this confused with seborrheic keratosis. You’ve heard of seborrheic keratosis in reference to Leser-Trélat sign. It has nothing to do with this. Could I be any more emphatic? Description for seborrheic dermatitis by reflex, greasy, yellow scale. Look at that forehead there. Doesn’t it look greasy? Maybe yellowish in terms of scale. Sure, there is erythema as well. May involve the nasolabial area. Give me a condition where the nasolabial fold was not involved? Was it SLE? Or was it rosacea? SLE is not going to involve the nasolabial fold. Why? Because we will talk about photo type of sensitivity. So, it may involve the nasolabial area, eyebrows, scalp and chest. These are big areas. Infants. So, if you have an infant that is going to present with seborrheic dermatitis, may present like dandruff, huh? It may present like dandruff. And therefore, we call this a cradle cap because the involvement in an infant would be exactly that on the scalp. The management here, maybe antifungal creams or washes or mild topical steroids tend to be quite effective. With seborrheic dermatitis, what’s the etiology? Aberrant reaction. And...

    About the Lecture

    The lecture Seborrheic Dermatitis by Carlo Raj, MD is from the course Inflammatory Skin Diseases.

    Included Quiz Questions

    1. Seborrheic Dermatitis
    2. Seborrheic Keratosis
    3. Psoriasis
    4. Lupus
    5. Rosacea
    1. Scaly plaques often involving the skin outside of seborrheic areas
    2. Greasy, yellow rash involving skin in seborrheic areas
    3. Macular lesions involving the nasolabial folds
    4. Erythematous papules and pustules
    5. Waxy and weeping rash
    1. Rosacea
    2. Acute Systemic Lupus
    3. Tinea Capitis
    4. Seborrheic dermatitis
    5. Seborrheic keratosis
    1. Systemic Lupus
    2. Rosacea
    3. Rhinophyma
    4. Tinea
    5. Acne Vulgaris

    Author of lecture Seborrheic Dermatitis

     Carlo Raj, MD

    Carlo Raj, MD

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    Like the use of DDX
    By Hamed S. on 07. April 2017 for Seborrheic Dermatitis

    I find one of the challenging aspects of dermatology is to keep in the various ddx for "similar" looking presentation. The way these lectures are set out has been very useful to have a few ddx to think about when facing a pt with a rash!