Login Form

Dermatology Associates offers the latest surgical treatment options for variety of skin conditions including skin cancers. We have over 35 years working with patients that have developed skin cancers and have successfully removed thousands of cancerous lesions.  Dermatologic surgical treatments include: surgical excision, electrodessication and curetage (ED&C) and Mohs micrographic surgery. Mohs micrographic surgery is a special procedure used to remove skin cancer. Dr. Peter Jenkin specializes in the removal of pre-cancerous (actinic keratosis) lesions, basal cell, squamous cell carcinomas and melanoma.



  • Skin Cancer

    Actinic Keratosis: Also called Solar Keratoses, are scaly, crusty growths (lesions) caused by damage from the sun’s ultraviolet (UV) rays. They typically appear on sun-exposed areas such as the face, bald scalp, lips, and the back of the hands, and are often elevated, rough in texture, and may resemble warts. Most become red, but some will be tan, pink, and/or flesh-toned. If left untreated, up to 25 percent of Actinic Keratosis develop into Squamous Cell Carcinoma, the second most common form of skin cancer. In rarer instances, Actinic Keratosis may also turn into Basal Cell Carcinomas, the most common form of skin cancer.

    Photo Gallery

    Basal Cell Carcinoma: Are abnormal, uncontrolled growths or lesions that arise in the skin’s basal cells, which line the deepest layer of the epidermis (the outermost layer of the skin). Basal Cell Carcinoma often look like open sores, red patches, pink growths, shiny bumps, or scars and are usually caused by a combination of cumulative and intense occasional sun exposure. Basal Cell Carcinoma almost never spreads (metastasizes) beyond the original tumor site. Only in exceedingly rare cases can it spread to other parts of the body and become life-threatening. It shouldn’t be taken lightly, though: it can be disfiguring if not treated promptly. There is often more underneath the skin than can be seen from the surface.

    Photo Gallery

    Squamous Cell Carcinoma: Is an uncontrolled growth of abnormal cells arising in the squamous cells, which compose most of the skin’s upper layers (the epidermis). Squamous Cell Carcinoma often look like scaly red patches, open sores, elevated growths with a central depression, or warts; they may crust or bleed. They can become disfiguring and sometimes deadly if allowed to grow. Squamous Cell Carcinoma is mainly caused by cumulative ultraviolet (UV) exposure over the course of a lifetime; daily year-round exposure to the sun’s UV light, intense exposure in the summer months, and the UV produced by tanning beds all add to the damage that can lead to Squamous Cell Carcinoma. Squamous Cell Carcinoma may occur on all areas of the body including the mucous membranes and genitals, but are most common in areas frequently exposed to the sun, such as the rim of the ear, lower lip, face, balding scalp, neck, hands, arms and legs. Often the skin in these areas reveals telltale signs of sun damage, including wrinkles, pigment changes, freckles, “age spots,” loss of elasticity, and broken blood vessels.

    Photo Gallery

    Melanoma: Can develop in a mole or appear suddenly as a new dark spot on the skin. Other changes that could indicate melanoma are pain, itch, or bleeding in a mole or new spot on the skin. Melanoma is considered the deadliest form of skin cancer. More than 1000 people will die from melanoma in the United States in 2016! The risk of Melanoma is highly associated with tanning bed use especially with young women. Other risk factors include a history of blistering sunburn( even one) blonde hair, blue eyes, increased number of benign moles, a history of dyplastic moles and a history of melanoma in first degree relatives.
    ABCDE’S Of Melanoma

  • Prevention

    In general, the lighter your skin, the higher the risk of developing skin cancer with increasing sun exposure. The effects of the sun are cumulative and therefore causes increasingly more damage with more and more exposure. The skin can reverse some of the damage done but 11 minutes of sun exposure produces more damage than the skin can repair in 24 hours. Since UVA rays can go through windows, you do not have to be outside to damage the skin. This is why we recommend using a sunscreen which adequately blocks UVA rays on a daily basis. For outdoor use we recommend a sunscreen with an SPF 30 (UVB) and zinc, titanium or avobenzone to block UVA rays.
  • Mohs Surgery

    Mohs Surgery Mohs surgery is the most advanced and effective procedure for skin cancer available today. Moh’s surgery can only be performed by a board certified dermatologist because we are specialists trained in both the surgery and microscopic examination. The procedure was developed in the 1930's by Dr. Frederick Mohs at the University of Wisconsin and is now practiced throughout the world. Mohs surgery involves the systematic removal and microscopic analysis of thin layers of tissue at the tumor site until the last traces of the cancer have been eliminated. The immediate and complete microscopic examination and evaluation of excised tissue is what differentiates Mohs surgery from other cancer removal procedures. Only cancerous tissue is removed, minimizing both post-operative wound size and the chance of recurrence. Mohs surgery is most commonly used for basal and squamous cell carcinomas. Cancers that are likely to recur or have already recurred are often treated using this technique because it is so thorough. High precision makes Mohs surgery ideal for the elimination of cancers in cosmetically and functionally critical areas such as the face (nose, eyelids, lips, and hairline).There are no facility or treatment room fees associated with any of our surgical procedures and we offer same day closures with Mohs surgery for the convenience of our patients. Mohs surgeries are performed weekly at our Downtown Seattle location. The American Society of Mohs Surgery has a video to help patients learn more about the advantages of Mohs surgery for selected skin cancers. Click here to watch the ASMS video


    pdfSurgery Aftercare Instructions45.63 KB

    pdfMohs Patient Information744.44 KB

  • Photodynamic Therapy-PDT

    Used For:   light activated drug therapy used to destroy Actinic Keratoses.

    Results: LEVULAN KERASTICK and BLU-U PDT is a 2-part treatment treatment. LEVULAN KERASTICK Topical Solution is applied to the skin. The solution is then absorbed by the Actinic Keratoses cells where it is converted to a chemical that makes the cells extremely sensitive to light. When the Actinic Keratoses cells are exposed to the BLU-U Blue Light Illuminator, a reaction occurs which destroys the Actinic Keratoses cells.

    Maintenance:  Although more than one treatment session may be necessary, any results obtained seem to be very long lasting and no maintenance treatments are required. Initial treatment sessions are spaced a month apart till the desired effect is achieved.

    Pretreatment:   Be sure to tell your physician if you are taking any oral medications or using any topical prescription or non-prescription products on your face or scalp. Bring adequate sun-protective items with you to your appointments such as a wide-brimmed hat or umbrella. You should not wash your face in between treatment steps. Avoid exposing the treated lesions to sunlight and other forms of bright light for at least 40 hours.

    Post Treatment:  After treatment, your skin may look and feel like you’ve had a sunburn. This can take up to 3-5 days to resolve. Many patients see a reduction in Actinic Keratoses cells. There is very little downtime and no prescriptions to fill. Follow up exams should be scheduled once a year and there is no scarring.

    Learn More

    Click here if you have misplaced your benefit Advisory form.

    pdfBenefit Advisory Form13.06 KB

  • Skin Cancer Facts

    Click here to learn more about skin cancer in Washington

    pdfSkin Cancer Facts849.29 KB

  • 1

(206) 267 2100 (206) 267 2100

Monday - Friday 7:30am to 5:30pm
1730 Minor Avenue, Suite 1000 Seattle, WA 98101