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Derma Case: 38-year-old Woman with a Mole on Her Left Leg

by Stephen Holt, MD, MS

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      Slides Dysplastic and Malignant Skin Lesions.pdf
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    00:02 Today, we're going to talk about dysplastic and malignant skin lesions.

    00:07 First off, let's go into a case.

    00:09 So, a 38-year-old woman with no significant past medical history presents with a mole on her left leg.

    00:15 She notes that she has always had a mole there but it seems to have enlarged steadily over the past six months.

    00:21 No weight loss, no night sweats. The lesion is somewhat itchy.

    00:26 She said she's a nonsmoker.

    00:28 She recalls at least three severe sunburns that she's experienced as a teenager.

    00:33 She plays tennis avidly for the past 20 years and review of systems is negative.

    00:38 Initial vitals are afebrile. Vital signs are stable.

    00:42 Now, before I describe the skin exam it's important for you to develop some lingo and correct terminology for how to describe skin lesions.

    00:51 So, why don't you give it your own shot? How would you describe the skin lesion that you're seeing illustrated here? I would describe the skin exam as follows.

    01:00 This is a patient with fair complexion.

    01:02 What we're not seeing at the moment is that there are numerous subcentimeter hyperpigmented macules distributed over sun exposed-areas.

    01:10 But this lesion is on the left lateral foreleg.

    01:13 It’s 4x3 centimeters in size.

    01:15 It’s a hyperpigmented macule with heterogenous color and texture and an irregular border, without any evidence of scale.

    01:25 Based on the information we have so far which of the following is the most likely diagnosis? Well, since this is a topic on dysplastic and malignant skin lesions I'm sure we're going to talk about melanoma.

    01:37 But let's start off by just taking a look at tinea corporis first.


    About the Lecture

    The lecture Derma Case: 38-year-old Woman with a Mole on Her Left Leg by Stephen Holt, MD, MS is from the course Neoplasms of the Skin (Quiz Coming Soon).


    Included Quiz Questions

    1. Sun-exposed area
    2. Homogenous color
    3. Regular borders
    4. Small size
    5. Darker-skinned individuals

    Author of lecture Derma Case: 38-year-old Woman with a Mole on Her Left Leg

     Stephen Holt, MD, MS

    Stephen Holt, MD, MS


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