by Carlo Raj, MD

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    Our topic is a big one here, high-yield, definitely, for both the wards and your boards. Demographics of psoriasis is my topic. Look at this, a whopping 1% to 3% of Americans. That’s a large population. Do you understand that? The one-third of your psoriatic patients are going to report a family history though. Now, for the most part, we’re unsure about what causes it, but as far as you’re concerned, you must look for trigger such as genetic and also environmental, which I’ll expand upon in a moment. The morphology here includes, well, this is psoriasis. As soon as you hear psoriasis, you should be thinking salmon, salmon, salmon-colored. What does that even mean? If you have no idea what salmon is, well, that could be problematic. But salmon might be pinkish and scaly. Okay, so if you want, Google it, whatever, but salmon-colored erythematous plaque with thick silver scale, salmon-colored plaques. Where would these be located? We’ll talk about distribution. And obviously, by the time we come to the end of our discussion of psoriasis, we’ll take a look at differentials. This is important. You pay attention to the distribution of psoriasis. Crucial: Elbows, knees. Stop. Elbows, knees. Next, scalp and the gluteal clefts are typical. The pruritus is a chief complaint in one-third of your patients. In fact, unfortunately, the patients here who are genetically prone, perhaps, to psoriasis in which the itching might actually then trigger the psoriasis is called Koebnerization. What did I say? Not to worry, I’ll repeat it again. It’s called Koebnerization. Nail changes include pits. Stop there for one second. Nails are important as a diagnostic feature. In the nails, pits, what happens here is the fact that you’re going to start having dryness of the nail in which it looks like...

    About the Lecture

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

    Included Quiz Questions

    1. Beta blockers
    2. Aspirin
    3. Lisinopril
    4. Nitrates
    5. SSRI's
    1. Parakeratosis with neutrophilic microabscesses
    2. Acantholysis
    3. Thickened granular layer
    4. Epidermal thinning
    5. Shortened rete ridges
    1. Vitamin D
    2. Vitamin E
    3. Vitamin K
    4. Vitamin C
    5. Vitamin B complex
    1. Exudative and weeping appearance involving flexural areas of the body
    2. Scaling lesions in the extensor areas
    3. Scaling borders with central clearing
    4. Smaller salmon colored plaques in flexors
    5. Ringworm appearance
    1. HLAB27 seronegative spondyloarthropathy
    2. Rheumatoid arthritis
    3. Osteoarthritis
    4. Degenerative disc disease
    5. Osteoporosis

    Author of lecture Psoriasis

     Carlo Raj, MD

    Carlo Raj, MD

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