What Is Dermatology?

Dermatology is defined as the branch of medicine that focuses primarily on afflictions related to the skin, hair, and nails. Dermatology can be categorized into two major areas of practice, cosmetic and medical.

Medical Dermatology

Medical dermatology is categorized as the branch of dermatology that relates to afflictions that can cause patients pain, sickness, and potential long term medical risks. Afflictions treated by medical dermatology include rashes, acne, eczema, warts, differing forms of skin cancer, and more.

Skin Cancer

Skin cancer affects one in five Americans annually and continues to be the leading form of cancer in the United States. Skin cancer is curable in most cases, but it is crucial that symptoms are noticed and treated during the early stages of the disease. It is important to note that patients with a history of previous skin cancer have a greater risk of developing new skin cancer in the future.


Melanoma is the rarest form of skin cancer, but is also considered the most dangerous. The cells responsible for Melanoma are formed from Melanocytes, cells found in the deepest layers of the skin. These cells are also responsible for the production of the substance that gives skin pigmentation. Most cases of Melanoma are presented as dark spots on the skin. Melanoma is known to spread rapidly to internal organs making it very dangerous. It is imperative that symptoms are detected early on so medical options can be reviewed and treatment can begin as soon as possible.
Melanoma is most commonly caused by excess exposure to sunlight in infancy. Additionally, it is important to note that Melanoma has a genetic component.

Signs and Symptoms

  • Dark speckles located anywhere on the body in combination with large brown spots.
  • Brown or black streaks found under the nail.
  • Lesions on the palm of the hand or soles of the feet.
  • Clusters of slow-growing scaly lesions that are pink or red.
  • Moles that begin to grow, bleed, or itch.
  • Dome-shaped and pearly growths.
  • A sore that repeatedly heals and re-opens.

Is It Treatable?

Dr. Lemus-Rangel offers extensive treatment options for the following:

  • Melanoma skin checks and biopsies
  • Treatment of precancerous lesions
  • Skin cyst removal
  • Skin tag, wart, molluscum treatment
  • Acne and acne scar treatment 
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Cosmetic Dermatology

Cosmetic dermatology involves treatments that enhance cosmetic aesthetics. Usually procedures performed under the branch of cosmetic dermatology are those that alleviate symptoms that do not have any immediate medical risks. Dermatologists continue to be at the forefront of cosmetic surgery. It is not uncommon for doctors completing their residencies in dermatology to be trained in the use of botulinum toxin, laser surgery, and fillers. Cosmetic dermatology can be used to reverse signs of aging, help remove scars, cure sunspots, and more.


When used in cosmetic procedures, botulinum toxin is considered a safe and effective method of removing wrinkles. Botox is injected into the muscles directly under facial wrinkles. The toxin has a relaxing effect on the muscles resulting in the smoothing of the outer layer of skin.

Scar Treatment

Dermal fillers are injections that are used to smooth and soften facial creases, plump lips, remove wrinkles, and improve the appearance of scar tissue. In addition to dermal fillers, there are a variety of different options to treat scar tissue including laser treatment, chemical peels, and more.

Dr. Lemus-Rangel offers treatment for the following.

  • Sun spot treatment
  • Botox
  • Fillers (juvederm, voluma)
  • Kybella
  • Alopecia treatment

For any additional information on skin conditions or treatments not listed on this page, please contact us below. 

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