Tinea Infections (Ringworm): Tinea Corporis and Tinea Capitis

by Carlo Raj, MD

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    We finally get in to the topic of what’s known as tinea. Now what does tinea mean to you? It is fungi, but these fungi are of the skin. So therefore, these are superficial type of dermatophytosis. Fungal infection of dermatophytes. In other words, of the skin. There are particular organisms that you want to keep in mind, and at this point, I would ask you to hone in on tricophyton, please. Yes, you have microsporum as well, but tricophyton is something that I need you to focus on or at least know the suffix, -phyton. Organisms are capable of using keratin as its source of energy. Now, what are all the different tineas? Now, we’ve mentioned tinea a few times already. We talked about tinea affecting the scalp. It’s called tinea capitis. We’ve talked about how tinea could affect the body. It’s called tinea corporis. Now, the common tineas that we have in the U.S. include athlete’s foot, jock itch, maybe underneath the nail. So therefore, we have tinea unguium, tinea inguinal, and we have tinea that would affect your toes, so therefore, tinea pedis. Let’s take a look. So tinea infection further classified by what part of the body’s been affected. If it’s the scalp, the capitis. Put a cap on your scalp. If it’s corporis, the body, often referred to in layman's terms as ringworm and has nothing to do with the worm. What’s my causative agent? A fungus. And you have tinea pedis, being the feet. Please don’t forget that you could also have tinea cruris, which will be the jock itch or in the inguinal region. And then you can also have what’s known as tinea versicolor that you talked about in micro which means that you have various colors, and by that, I mean,...

    About the Lecture

    The lecture Tinea Infections (Ringworm): Tinea Corporis and Tinea Capitis by Carlo Raj, MD is from the course Infectious Skin Diseases. It contains the following chapters:

    • Tinea
    • Tinea Infections
    • Tinea Capitis

    Included Quiz Questions

    1. Keratin
    2. Erythrocytes
    3. Biotin
    4. Hemoglobin
    5. Fat
    1. Malassezia furfur
    2. Tricophyton rubrum
    3. Tricophyton tonsurans
    4. Tricophyton interdigitale
    5. Tricophyton verrucosum
    1. Spares the scalp
    2. Pruritic lesions
    3. Annular plaques
    4. Scaling lesions
    5. Most commonly affects the intertriginous areas of the body
    1. Tricophyton tonsurans
    2. Tricophyton interdigitale
    3. Tricophyton verrucosum
    4. Malassezia furfur
    5. Candida albicans
    1. Liver function
    2. Thyroid function
    3. Complete blood count
    4. Electrolytes level
    5. Lipid profile

    Author of lecture Tinea Infections (Ringworm): Tinea Corporis and Tinea Capitis

     Carlo Raj, MD

    Carlo Raj, MD

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