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Lichen Simplex Chronicus (LSC)

by Carlo Raj, MD
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    Our topic now brings us to lichen simplex chronicus. Allow the name to speak to you. I’ve mentioned a few times the term lichen or lichenification. The last time I talked about this is -- remember that patient who may have an eczema or eczematous type of a lesion, let’s say a child around the, let’s say cheek or face or whatever it may be, maybe around the extensors. Itch, itch, itch, Itch, itch, itch, huh? And at some point when there’s enough itching, what’s going to happen? You’ll have dryness that’s taking place, and we call that lichenification. You have lichen, and then chronicus, what does that mean? Chronic. So, over a long period of time, you have a patient, take a look at my etiology, neurodermatitis, what does that mean? Meaning to say that I feel like I need to itch, so it’s this self-itch type of perpetuating cycle. So, what do you want to do? You might want to educate your patient to stop the itch psychologically. To be conservative in terms of management. It’s perpetuated by this itch-scratch cycle as I mentioned. Lichen means excessive pruritic type of itchiness, which then results in dryness called lichenification, over a long period of time, chronicus. Morphology: Plaques of thickened skin due to all this itching. If you take a look at the picture here, you’ll notice that it is hardened, a plaque and it looks dry. Due to constant manipulation, in other words, the itching, and only occurs in those areas that are reachable, and that’s important. So therefore, if you’re reaching for that flexor/extensor area and you itch, itch, itch, you may result in this particular condition. Management: potent topical steroids, and then you need to be able to educate your patient because even with that though,...

    About the Lecture

    The lecture Lichen Simplex Chronicus (LSC) by Carlo Raj, MD is from the course Inflammatory Skin Diseases.


    Included Quiz Questions

    1. Psoriasis
    2. Contact dermatitis
    3. Atopic dermatitis
    4. Lichen simplex chronicus
    5. Tinea
    1. Lichen simplex chronicus
    2. Tinea
    3. Seborrheic dermatitis
    4. Atopic dermatitis
    5. Lupus

    Author of lecture Lichen Simplex Chronicus (LSC)

     Carlo Raj, MD

    Carlo Raj, MD


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