Most of us assume a yearly skin check is enough. You go in, hear that everything looks fine, and move on for another 12 months.
But board certified dermatologist Dr. Michael Christopher says that reassurance can sometimes be misleading. Skin exams are not standardized, and one clinician’s “full body check” can look very different from another’s, especially when it comes to using dermoscopy, a tool that helps detect melanomas the naked eye can miss.
Dr. Christopher detects 150 to 215 melanomas per year, compared to a state average of about 17. The difference, he says, is not about patient behavior. It is about how thoroughly the exam is performed.
We asked him to explain why melanomas are still being missed, what a truly comprehensive skin exam should include, and the exact questions patients should be asking to catch melanoma earlier.
Why do so many melanomas still get missed even when patients are doing yearly skin checks Skin checks aren’t a standardized process. One clinician’s “full body exam” can look very different from another’s in how systematic it is and whether dermoscopy is used consistently. Melanoma can be subtle, sometimes even pink or non pigmented, and can mimic benign lesions to the naked eye. Dermoscopy allows us to see diagnostic structures beneath the surface that simply cannot be evaluated clinically.
What does a truly thorough skin exam actually include and what should patients expect during one A thorough exam is a true head to toe evaluation of all skin surfaces, including higher risk and easy to miss areas like the scalp, behind the ears, the back, between the toes, the soles, and the nails. It should also include the use of a dermatoscope, a handheld magnifier with light, on all pink and pigmented spots.
What early warning signs do you see patients dismiss or misinterpret most often The most commonly dismissed warning sign is change. Patients notice a mole evolving but wait because they assume it can just be watched until the next routine visit. I also see people dismiss spots that intermittently bleed, crust, itch, or do not heal. Any new or changing spot deserves evaluation sooner rather than later.
How does dermoscopy change melanoma detection and why is it not standard everywhere yet Dermoscopy reduces missed melanoma because it allows visualization of pigment networks and vascular patterns that the naked eye cannot see, enabling earlier recognition. While dermoscopy is encouraged, education around it is not standardized. As a result, depth of knowledge and skill can vary widely. That gap leads to inconsistent use of a tool that can meaningfully improve detection.
Are there specific areas of the body where melanoma is most commonly missed? Melanomas are most often overlooked in areas that are hard for patients to monitor and easy to under examine quickly, such as the scalp, behind the ears, the mid back, the back of the legs, the soles and between the toes, and around the nails. Hair bearing areas, especially the scalp, are also technically challenging without a careful, systematic approach.
How often should someone really be getting checked based on risk factors like skin type, family history, or past sun exposure There is not one perfect interval for everyone. Many average risk patients do well with yearly exams, but higher risk patients, including those with a history of melanoma, many atypical moles, a strong family history, significant sun damage, or immunosuppression, often need checks every 6 to 12 months, sometimes more often, in addition to regular self exams at home.
What are the most important questions patients should ask their dermatologist to make sure nothing is overlooked
- Do you use a dermoscope routinely, and will you examine every mole, pink or pigmented, with it?
- Based on my individual risk factors, how often should I be evaluated for skin cancer?
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