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Impetigo (School Sores) and Staph Scalded Skin Syndrome (SSSS)

by Carlo Raj, MD
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    Our topic is impetigo and impetigo is a superficial skin infection. It could be caused by either strep or staph. So now, there are a couple of things that I want to make sure that we go through or that we’re clear about in micro. You have cellulitis, you have erysipelas, and then you have impetigo. Make sure that you’re clear about those three presentations before we move on. And all three could be caused by strep. Cellulitis would be a little bit deeper. Erysipelas would be extremely rapid caused by most likely strep A. Fiery red, we call that St. Vincent’s fire. And here we have impetigo. Either strep or staph. Demographics: Often in children and usually on the central face. And if you take a look at the picture here, you’ll notice that it’s honey-crusted lesions, extremely distinctive and characteristic for impetigo. Honey-crusted lesions that we’re seeing here specifically in the perioral area. Now, if in fact that it is going to be a strep A infection and approximately, let’s say four weeks later, the patient, the child starts having, let’s say, blood that appears in the urine. This is the discussion that we’ve had earlier where if this impetigo is in fact being caused by group A streptococci or pyogenes, that approximately four weeks later, we have now developed post streptococcal glomerulonephritis. Are we clear? Diagnosis: Clinical appearance, no doubt. Culture, obviously. And it cannot be diagnosed with serologic test for strep. Management: Oral antibiotics and you have topical mupirocin ointment. Topic here is staph scalded skin or scalded skin syndrome. We have exfoliation caused by toxin produced by Staph aureus infection. So our topic is Staphylococcal scalded skin syndrome. We have a toxin of the Staph aureus which is going to cause an issue in whom?...

    About the Lecture

    The lecture Impetigo (School Sores) and Staph Scalded Skin Syndrome (SSSS) by Carlo Raj, MD is from the course Infectious Skin Diseases. It contains the following chapters:

    • Impetigo
    • Staph Scalded Skin

    Included Quiz Questions

    1. Post streptococcal glomerulonephritis (PSGN)
    2. Rheumatic fever
    3. Pancytopenia
    4. Cellulitis
    5. Elevated liver enzymes
    1. Vancomycin
    2. Mupirocin
    3. Imiquimod
    4. LN2
    5. Cantharidin

    Author of lecture Impetigo (School Sores) and Staph Scalded Skin Syndrome (SSSS)

     Carlo Raj, MD

    Carlo Raj, MD


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