MD Dermatology

Severe acne scarring Last week, a couple brought their teenage son for consultation for acne. He has moderate to severe acne over the face with numerous comedones, papules, pustules and some nodules (inflammatory acne). He obviously needed systemic treatment. I counseled them regarding various options and their possible side-effects. The parents asked one very good question. Can acne resolve by itself? Well, the answer is, YES. So, why do we need treatment then? Well, the answer is pretty obvious from the picture shown above. We want to prevent acne scars!! Inflammatory acne always lead to scarring. It is of cosmetic concern and treating the scars that had formed is very challenging. Despite a lengthy explanation, however, they parents decided not to have any treatment. Various reasons were expressed especially concerning side-effects of the treatments. I have re-assured them that the side-effects are uncommon and tolerable. Anyway, the choice is with ...

  Unilateral Dermatoheliosis (Source: New England Journal of Medicine 2012) Photoaging is defined as a process of premature aging of the skin caused by continuous and long-term exposure to ultraviolet (UV) radiation from the sun or from a synthetic source such as tanning device. It affects primarily the area of exposed skin especially over the face, ear, neck and hands. Clinically, it is characterized by early appearance of irregular pigmentation, prominent capillary blood vessels, lentigenes (age spots), wrinkles, thickening and laxity of the skin. Chronic exposure further predispose to formation of pre-cancerous lesions such as actinic keratoses which can lead to skin cancer. Severity of photoaging is dependent on the duration of exposure to UV light as well as the patient’s skin type. Fair-skinned individuals with blonde or red hair usually burn easily upon exposure to direct sunlight and are at increased risk. Darker-skinned people show fewer signs of...