Are Basal Cell and Squamous Cell Carcinomas More Common Than You Think
Basal cell and squamous cell carcinomas are the most common skin cancers, often starting as subtle spots. Get clear next steps and care options.
Basal cell carcinoma and squamous cell carcinoma are the two most common skin cancers, and they often start as “nothing” — a spot that does not heal, a scaly patch, or a bump you keep nicking when you shave. The good news is that most are highly treatable when you catch them early, but they can still cause real damage if you ignore them. These cancers usually show up on sun-exposed skin, especially your face, ears, scalp, neck, forearms, and hands. This guide walks you through what they can look and feel like, why they happen, how diagnosis works (including biopsy), and what treatment and follow-up typically involve. If you want help deciding how urgent a spot is, PocketMD can help you think through your symptoms and next steps, and VitalsVault labs can support overall health checks when your clinician recommends them.
Symptoms and signs to notice
A sore that won’t heal
A spot that bleeds, scabs over, and then opens again is one of the most common ways these cancers announce themselves. It can look like a “pimple” or a scratch that should have resolved weeks ago. The reason it keeps coming back is that the abnormal cells keep rebuilding the area instead of letting it fully repair.
Shiny or pearly bump
Basal cell skin cancer often looks like a smooth, shiny bump that can be skin-colored, pink, or slightly translucent. You might notice tiny blood vessels on the surface, or a center that looks a bit sunken. It matters because it can slowly grow and erode nearby tissue, especially on the nose, eyelids, and ears.
Scaly patch that feels rough
Squamous cell skin cancer often starts as a rough, scaly area that can sting, itch, or feel tender when you rub it. It may look like a persistent “dry patch” that does not respond to moisturizer. If it thickens over time or starts to crack and bleed, that is a strong signal to get it checked.
Wart-like growth or crusty bump
Some squamous cell cancers form a raised, crusted bump that can resemble a wart or a thick scab. You may notice it catches on clothing or bleeds after minor friction. That easy bleeding happens because the surface skin is fragile and inflamed.
New change on sun-exposed skin
The most important “symptom” is change: a spot that is growing, changing color, changing texture, or starting to hurt. Pay extra attention to areas that get a lot of sun over the years, including your scalp if your hair is thinning. If you have rapid growth, significant pain, spreading redness, fever, or a swollen lymph node near the spot, you should seek urgent evaluation because infection or a more aggressive process can be in play.
If you’re planning a skin procedure or you’re monitoring overall health, VitalsVault can help you check key labs starting from $99 panel with 100+ tests, one visit.
Results in days
Clear next steps
HSA / FSA
Causes and risk factors
Cumulative UV exposure over time
Most basal and squamous cell cancers are driven by long-term damage from ultraviolet light, which slowly injures the DNA in your skin cells. You do not have to be a “sun worshipper” for this to add up, because everyday exposure counts too. That is why these cancers are common on the face and hands, even in people who rarely burn.
History of sunburns or tanning beds
Intense UV exposure, especially blistering sunburns and tanning bed use, can accelerate the kind of DNA injury that leads to skin cancer. You might feel like those burns were decades ago, but your skin remembers. If you used tanning beds, your threshold for getting a suspicious spot checked should be lower.
Lighter skin and reduced natural protection
If you have lighter skin, light eyes, or hair that burns easily, you have less melanin, which is your skin’s natural UV filter. That does not mean darker skin is immune, but it does change the odds and sometimes the typical locations. No matter your skin tone, a non-healing lesion deserves attention because delay is what causes trouble.
Weakened immune system
Your immune system helps patrol for abnormal cells, so when it is suppressed, skin cancers can appear more often and behave more aggressively. This can happen after an organ transplant, with certain blood cancers, or with medications that dampen immunity. In that setting, regular skin checks are not “extra” care; they are a core part of staying healthy.
Older age and prior skin cancers
These cancers become more common as you age because UV damage accumulates and your skin’s repair systems get less efficient. If you have had one basal or squamous cell cancer, your risk of another goes up, even if the first one was removed completely. That is why follow-up visits and self-checks matter long after the initial treatment.
How doctors diagnose basal and squamous cell skin cancer
Skin exam and dermoscopy
A clinician starts by looking closely at the spot and the surrounding skin, often using a handheld magnifier with light (dermoscopy). This helps them see patterns in pigment and blood vessels that your naked eye cannot. It is not a final answer, but it guides whether a biopsy is needed and what type makes sense.
Biopsy to confirm the diagnosis
The only way to know for sure is to sample the tissue (biopsy) and look at it under a microscope. Depending on the spot, this might be a shave biopsy, a punch biopsy, or removing the whole lesion. It is usually quick with local numbing, and the result tells you not just “cancer or not,” but also the subtype and how deeply it goes.
Checking for high-risk features
If cancer is confirmed, your clinician looks for features that change the treatment plan, such as size, depth, location on the face, nerve involvement, or a poorly defined border. Squamous cell cancers are more likely than basal cell cancers to spread, so risk assessment is especially important. This is the part that turns a scary word into a practical plan.
When imaging or urgent evaluation is needed
Most people do not need scans, but imaging can be considered if a tumor is large, deeply invasive, recurrent, or associated with a firm lump in a nearby lymph node. You should seek prompt care if you notice a rapidly enlarging lesion, numbness or tingling near it, trouble moving part of your face, or a new hard node in your neck, armpit, or groin. Those signs do not automatically mean spread, but they should not wait.
Treatment options and what they’re like
Surgical removal (excision)
Standard excision removes the cancer with a margin of normal-looking skin, and then the tissue is checked to confirm clear edges. For many low- to moderate-risk lesions, this is straightforward and curative. The tradeoff is a scar, although skilled closure often makes it far less noticeable than you fear.
Mohs surgery for high-precision areas
Mohs surgery removes the cancer in thin layers while checking each layer immediately, which helps spare healthy skin. It is commonly used on the nose, eyelids, lips, ears, and other areas where you want the smallest possible defect. It can also be a good choice for recurrent tumors or those with unclear borders.
Scrape and burn for select lesions
For some small, low-risk cancers, a clinician may scrape the lesion and use heat or electricity to destroy remaining cells (curettage and electrodesiccation). It is usually fast and done in the office, but it is not ideal for areas where you need the best cosmetic result. The key is choosing the right lesion, because the wrong match increases the chance it comes back.
Topical or light-based treatments
Certain superficial cancers and precancerous areas can be treated with prescription creams or with a light-activated approach (photodynamic therapy). These options can be appealing when you have multiple sun-damaged spots in one area, but they require patience because the skin often gets red and crusty before it heals. Your clinician will be clear about whether a topical approach is safe for your specific lesion type.
Radiation or systemic therapy in special cases
Radiation can be used when surgery is not possible or when a tumor has features that make recurrence more likely. For advanced cases, there are medications that target specific growth pathways or boost immune response, and they are usually managed by specialists. If you are in this category, your plan is less about a single procedure and more about coordinated care and close follow-up.
Living with it: follow-up, scars, and peace of mind
Your follow-up schedule matters
After treatment, you will usually have periodic skin checks because your risk of another skin cancer is higher than average. The timing depends on the type, location, and risk features of your tumor, as well as your immune status. Think of follow-up as prevention in real time, because catching the next spot early is the easiest win.
How to do a monthly self-check
Pick one day a month and look at your skin in good light, using a mirror for your back and scalp. You are not trying to diagnose yourself; you are looking for change, non-healing sores, and new rough patches. Taking a quick phone photo can help you compare month to month without relying on memory.
Scar care and healing expectations
Most procedures heal well, but the first few weeks can look worse before they look better, especially on the face. Keeping the wound moist with the ointment your clinician recommends and protecting it from sun can improve the final appearance. If you develop increasing warmth, swelling, pus, or worsening pain after initial improvement, call your clinic because infection is treatable and easier to address early.
Managing worry while you wait
Waiting for a biopsy result can make your brain run wild, especially if you have had cancer before. It can help to focus on what is controllable: protect the area, avoid picking at it, and schedule the follow-up you need. If anxiety is keeping you up at night, it is reasonable to ask your clinician what the most likely outcomes are and what the timeline looks like, so you are not filling in the blanks alone.
Prevention and lowering your risk going forward
Daily sun protection that you’ll actually use
The best sunscreen is the one you will wear consistently, because daily exposure is what adds up. Aim for broad-spectrum coverage and reapply when you are outdoors for extended periods, especially if you sweat or swim. Sun protection is not just about avoiding burns; it is about reducing the ongoing DNA damage that feeds future cancers.
Protective clothing and shade habits
A hat, sunglasses, and tightly woven clothing can protect you in a way sunscreen sometimes fails, especially on your scalp, ears, and neck. Building shade into your routine, like choosing the covered side of the street or taking breaks under an umbrella, makes protection feel less like a chore. These small habits are powerful because they work every day without you having to remember a bottle.
Skip tanning beds completely
Tanning beds deliver concentrated UV exposure that increases your risk of both basal and squamous cell cancers. There is no “safe base tan,” and the damage is not always visible until years later. If you want the look of a tan, sunless products are a safer option for your skin.
Treat precancerous rough spots early
Rough, sandpapery patches can be precancers called sun spots (actinic keratoses), and treating them can lower the chance they progress to squamous cell cancer. Your clinician may freeze them, treat a field of sun damage with a cream, or use light-based therapy depending on how widespread they are. If you keep getting these, it is a signal to tighten sun protection and keep regular skin checks on your calendar.
Frequently Asked Questions
Are basal cell and squamous cell carcinomas really that common?
Yes. They are the most common skin cancers, and they often show up in people who have had years of sun exposure, even if they do not remember major burns. They are common enough that many people know someone who has had one removed.
How can you tell basal cell from squamous cell carcinoma by looking?
You cannot reliably tell at home, because both can look like scabs, bumps, or rough patches. Basal cell cancers often look shiny or pearly, while squamous cell cancers more often look scaly or crusted, but there is a lot of overlap. A biopsy is what confirms the diagnosis.
Is squamous cell carcinoma more dangerous than basal cell carcinoma?
In general, squamous cell carcinoma has a higher chance of spreading than basal cell carcinoma, especially when it is large, deep, on high-risk areas, or in someone with a weakened immune system. Basal cell carcinoma is less likely to spread, but it can still cause significant local damage if it grows unchecked. Either way, early treatment makes things much simpler.
What does a skin biopsy feel like and how long do results take?
A biopsy is usually done with local numbing, so you feel pressure and movement more than pain. Afterward, it can be sore for a day or two, similar to a small cut. Results often take several days to about two weeks, depending on the lab and whether special testing is needed.
Do blood tests help diagnose basal or squamous cell skin cancer?
Blood tests do not diagnose these skin cancers, because the diagnosis comes from looking at the skin tissue under a microscope. Labs can still be useful for your overall health or for procedure planning in some situations, especially if you have other medical conditions or take certain medications. If you and your clinician decide labs would help, VitalsVault can support monitoring with a starting from $99 panel with 100+ tests, one visit.