Quick Review: Fungal Skin Infections

by Stephen Holt, MD, MS

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    00:01 Okay, now let's do a quick review.

    00:04 Again, I'll ask a question, feel free to pause the screen and unpause it when you're ready to hear the answer.

    00:10 Which pairing below is correct? Alright, impetigo and cradle cap? No.

    00:23 Cradle cap is what we should think of when we hear about seborrheic dermatitis in children.

    00:28 Pityriasis rosea and malassezia globosa? No, Remember pityriasis rosea is actually an idiopathic condition potentially associated with a virus but not with a fungus.

    00:41 Candida and 'satellite lesions'? Yes.

    00:44 That's the one where you can have these beefy-red lesions and then these scattered lesions that are detached away from a confluent area, those are called satellite lesions So I think that's gonna end up being our final diagnosis here.

    00:56 Tine corporis and 'greasy-looking'? Nope.

    00:59 Greasy-looking should make you think about seborrheic dermatitis.

    01:03 And lastly, tinea versicolor and a 'herald patch' A herald patch is one of the things that goes along with pityriasis rosea, that precedes the appearance of the 'christmas tree' So, our diagnosis is number 3.

    01:19 Next question, which of the following would have a negative KOH prep? Alright, so the real question here is, which of these is not caused by a fungus? Candida is, tinea is, pityriasis versicolor-it is, onychomycosis is, vitiligo - an autoimmune condition which will not have a positive KOH prep.

    01:48 Final diagnosis, number 5.

    01:52 And with that, i think we're done with fungi.

    About the Lecture

    The lecture Quick Review: Fungal Skin Infections by Stephen Holt, MD, MS is from the course Skin Infections.

    Included Quiz Questions

    1. Greasy-looking skin lesions are suggestive of seborrheic dermatitis.
    2. Vitiligo is considered a fungal infection.
    3. A herald patch is considered a feature of tinea cruris.
    4. Lesions of candida intertrigo are distributed over the body in a Christmas tree pattern.
    5. Tinea versicolor is associated with herpes simplex virus 8.

    Author of lecture Quick Review: Fungal Skin Infections

     Stephen Holt, MD, MS

    Stephen Holt, MD, MS

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