Cryosurgery
Cryotherapy is often used for precancerous conditions like actinic keratosis or small basal cell and squamous cell carcinomas, as well as warts.
Sometimes called cryotherapy, it is not a surgical procedure that involves cutting of the skin. Rather, it is the use of extreme cold produced by liquid nitrogen to freeze and destroy abnormal tissue. The liquid nitrogen can be applied directly to the skin with a spraying device or a cotton swab.

This process is repeated several times in the same clinic visit. After the affected area of skin thaws, it will swell, blister and crust. The wound may have fluid draining from it for a period of time and take a month or two to heal, leaving behind a scar and possible discoloration after treatment. Mild blistering and tenderness are also expected results and part of the normal process for destruction of abnormal tissue.
MEDICAL SERVICES
BEFORE & AFTER
GALLERY
Checkout our before and after gallery where we feature a few our recent patients.
OUR
TEAM
Our team is made up of experienced professionals
excited to help and provide personalized care just for you.

Alicia McCarthy, ND
Dr. Alicia McCarthy earned her Bachelor of Science in Kinesiology degree from California State University of Fullerton in 2008 and her Naturopathic Medical degree in 2017 from National University of Natural Medicine in Portland, OR. The twelve years Dr. McCarthy spent working in emergency medicine as an EMT set the foundation for the provider she is today. She now specializes in aesthetic medicine, dedicating her continuing education and practice to staying current on the latest techniques and products. Dr. McCarthy believes in aging gracefully. She takes the time to sit down with each patient and find out what this means for them.
Prior to joining Knott Street Dermatology, Dr. McCarthy had her own practice in Lake Oswego focused on aesthetic medicine, hormone balancing, thyroid conditions, and IV medicine.
Originally from Southern California, Dr. McCarthy has lived in Portland for the last eleven years. When she is not working Dr. McCarthy stays busy with her two young kids, husky pup, and husband. They enjoy spending time outside, camping, swimming, and playing at the park.

Rachel Almada LE,CAE
Rachael graduated from the Aesthetics Institute in 2020 and recently acquired a Bachelor of Arts from Portland State University. Coming from a dermatology background, Rachael has a passion for skin health and sun protection. Her favorite part about being an Advanced Aesthetician is helping patients reach their skin goals and watching their confidence build because of it. She understands that everyone’s skin requires its own unique approach whether it’s a treatment plan or a skincare regimen.
When she is out of the office, Rachael enjoys traveling, trying new food, making art, and doing pretty much anything outdoors – especially if it includes her Doberman-mix pup, Rubio!
Contact Us
If you have any questions, concerns, or would like to schedule an appointment please let us know.
FIVE STAR
SERVICE

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