Basal cell carcinoma is the most common type of skin cancer, and the good news is that it’s highly treatable. The vast majority of cases are cured with a single procedure, and the specific treatment your doctor recommends depends on the tumor’s size, location, and subtype. Options range from simple in-office procedures to targeted medications for the rare advanced case.
Surgical Excision
Standard surgical excision is the most widely used treatment. A surgeon cuts out the tumor along with a margin of normal-looking skin around it, then sends the tissue to a lab to confirm the edges are cancer-free. The five-year cure rate for a primary basal cell carcinoma treated this way is about 90%. For tumors that have come back after previous treatment, that rate drops to around 83%.
The procedure is typically done under local anesthesia in a doctor’s office or outpatient surgery center. You can expect mild pain for up to three days afterward. Stitches are placed to close the wound, and you’ll need to keep the area covered for the first 24 to 48 hours. After that, gentle washing with cool water and soap is fine. Your doctor will schedule a follow-up to remove stitches, and any scabbing generally peels away on its own within one to three weeks depending on the location.
Mohs Surgery
Mohs surgery is the gold standard when precision matters. It’s typically recommended for tumors on the face (especially around the eyes, nose, ears, and lips), for large or aggressive subtypes, and for cancers that have recurred after earlier treatment. During the procedure, a specially trained surgeon removes tissue one thin layer at a time, examining each layer under a microscope before deciding whether to take more. This process continues until no cancer cells remain.
The five-year cure rate for Mohs surgery is 99% for primary basal cell carcinomas and 94% for recurrent ones. Because only cancerous tissue is removed, Mohs also preserves the maximum amount of healthy skin, which makes a real difference for cosmetic outcomes in visible areas. The tradeoff is that the procedure takes longer, sometimes several hours, since you wait while each layer is analyzed. But it’s still done in an office setting with local anesthesia, and most people go home the same day.
Curettage and Electrodesiccation
For small, superficial basal cell carcinomas on the trunk or limbs, a simpler approach called curettage and electrodesiccation works well. The doctor scrapes the tumor away with a small, spoon-shaped instrument, then uses an electric needle to destroy any remaining cancer cells and stop bleeding. This cycle is usually repeated two or three times in the same visit.
Recurrence rates range from 1% to 27%, with the wide spread depending on where the tumor is, how large it is, and its growth pattern under the microscope. This makes it a solid option for low-risk lesions but a poor choice for tumors on the face, for aggressive subtypes, or for anything larger than a centimeter or so. The wound heals without stitches, leaving a flat, round scar that fades over time.
Topical Treatments
Two prescription creams can treat small, superficial basal cell carcinomas without any cutting at all. These are best suited for patients with multiple superficial tumors or for those who want to avoid a procedure.
Imiquimod cream works by stimulating your immune system to attack the cancer cells. The standard protocol calls for applying the cream five nights per week for six weeks, leaving it on for about eight hours overnight. Your doctor will then assess the treated area 12 weeks after the course ends. Expect redness, crusting, and irritation at the application site during treatment. That reaction is actually a sign the cream is working.
Fluorouracil cream takes a different approach, directly killing rapidly dividing cells. You apply it once or twice daily, typically for three to four weeks, sometimes longer. The treated skin becomes red, raw, and inflamed during this period. Full healing may not happen until one to two months after you stop applying it. The discomfort and appearance during treatment can be significant, so many people treat one area at a time.
Both creams are limited to superficial tumors. They aren’t appropriate for deeper or more aggressive subtypes because there’s no tissue sample to confirm all the cancer has been eliminated.
Radiation Therapy
Radiation therapy is an effective option for people who can’t undergo surgery, whether due to age, other health conditions, or a tumor in a location where surgery would cause significant functional or cosmetic problems. It delivers focused beams of energy to destroy cancer cells over a series of sessions, typically spread across several weeks.
Radiation provides durable local control and can preserve both function and appearance in delicate areas like the eyelids or the tip of the nose. It’s also sometimes used after surgery if the lab finds cancer cells at the edges of the excised tissue. The main drawbacks are the time commitment of multiple appointments and the fact that the treated skin may look different long-term, with changes in color or texture.
Treatment for Advanced Cases
In rare situations, basal cell carcinoma grows too large for surgery or spreads to other parts of the body. These advanced cases are treated with targeted oral medications that block a specific molecular signal, called the Hedgehog pathway, that drives the cancer’s growth.
Across all stages, about 73% of patients see their tumors shrink significantly on these medications. The response varies by how far the cancer has progressed: 63% of locally advanced cases respond, while the rate drops to 25% for the rare metastatic case. These medications are taken daily as pills. Side effects are common and can include muscle cramps, hair thinning, taste changes, fatigue, and weight loss. Some people find the side effects difficult enough that they need to take breaks from treatment or reduce their dose.
How Treatment Is Chosen
Your treatment plan depends on a few key factors working together. Tumor size, location, and subtype matter most. A small, superficial spot on your back is a very different situation from an aggressive tumor near your eye. Your overall health, your history of previous skin cancers, and your cosmetic priorities also factor in.
- Low-risk tumors (small, superficial, on the trunk or limbs) can often be treated with curettage and electrodesiccation, topical creams, or standard excision.
- High-risk tumors (on the face, large, aggressive subtype, or recurrent) are best treated with Mohs surgery to maximize cure rates and spare healthy tissue.
- Non-surgical candidates benefit from radiation therapy, which offers effective cancer control without an incision.
- Advanced or metastatic disease requires systemic treatment with targeted oral medications.
Recovery and Follow-Up
Recovery from most basal cell carcinoma treatments is straightforward. Surgical procedures heal within a few weeks, though the scar continues to mature and fade for months. Topical treatments involve a longer period of skin irritation, but once healing is complete, the cosmetic result is often excellent.
The more important long-term consideration is monitoring. Once you’ve had one basal cell carcinoma, your risk of developing another is significantly higher. Dermatologists recommend at minimum an annual full-body skin exam for anyone with a history of skin cancer. Many doctors prefer more frequent checks in the first couple of years after treatment. Between visits, you should get familiar with your own skin so you can spot any new or changing spots early. A second basal cell carcinoma caught small is just as treatable as the first one.