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AI can help clinicians spot patterns that may warrant a closer look, but an AI score is not a skin-cancer diagnosis. In the United States, the clearest FDA-authorized example is DermaSensor, a clinician-directed device that supports referral decisions for certain suspicious lesions in patients aged 40 and older. It is not intended for screening, replacing a biopsy, or reassuring someone that a concerning lesion is harmless.
What AI can—and cannot—tell you about a skin lesion
AI systems can analyze patterns in images or other signals from a lesion and return an output that may help guide a next step. That output is a risk signal, not proof that a lesion is cancerous or benign. A clinician must interpret it in context, and a suspicious lesion may still need specialist assessment or biopsy.
The label “AI skin cancer detector” can refer to very different tools. A consumer app that analyzes a phone photo is not equivalent to a regulated clinical device that uses a different sensor, has a defined intended use, and is operated by a clinician. Authorization for one device does not validate other apps, models, or claims.
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DermaSensor uses a small optical probe placed on an intact lesion. It measures backscattered light using elastic scattering spectroscopy, then processes the signal with a proprietary machine-learning classifier. The device presents one of two outputs: “Monitor” or “Investigate Further.” Neither output is a diagnosis.
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Its intended role is to help a non-dermatologist physician decide whether to refer a patient to a dermatologist, after the physician has already assessed the lesion clinically and visually. The FDA’s De Novo review says the device should be used only on lesions already assessed as suspicious for skin cancer, “not as a screening tool.”
Who and which lesions are within its indicated use
The FDA De Novo summary indicates DermaSensor for lesions suggestive of melanoma, basal cell carcinoma, and/or squamous cell carcinoma in patients aged 40 and older. Its scope is deliberately narrower than general skin checking: it is a referral-support aid for a clinician evaluating an already-suspicious lesion.
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The FDA says the device should not be used as the sole diagnostic criterion, to confirm a diagnosis, to replace biopsy, or to replace clinical decision-making. A “Monitor” result therefore should not override a clinician’s concern or a change in a lesion.
Evidence boundaries and groups for which evidence is limited
Device evidence applies to the populations, lesion types, and conditions actually evaluated; it should not be generalized to all skin cancers or all patients. The FDA review identifies several important limitations:
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- Melanoma sensitivity evidence is limited for Fitzpatrick skin phototypes IV–VI.
- The device was not specifically evaluated in several groups at increased risk for skin cancer.
- Rare skin cancers were not tested.
- Some lesions were outside the evaluated intended use, including previously biopsied, recurrent, metastatic, scarred, tattooed, sunburned, or hairy lesions, as well as lesions at certain anatomical sites.
These limits do not mean that a lesion in one of these categories is safe or unsafe. They mean the device’s evidence cannot establish its performance for that situation; clinical assessment and appropriate follow-up remain necessary.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Consumer skin-check apps are a different category
Image-based diagnostic apps may offer possible explanations for a photo, but they leave the user to decide which possibility is correct. The American Academy of Dermatology (AAD) advises people not to rely on such apps for diagnosis and recommends seeking a board-certified dermatologist. It also highlights the need for stringent scientific testing across skin tones and careful attention to patient privacy.
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The AAD guidance page, accessed in 2026, reports that studies of melanoma-diagnosis apps found they missed 41% of melanomas; the page cites a 2020 systematic review in the BMJ. This is a figure reported by AAD about apps in that review, not a result for every app available today and not a head-to-head comparison with DermaSensor. A reassuring app result should not delay assessment of a lesion that concerns you.
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Scan for outdated or missing drivers - takes under a minuteDriver Scan →Clear out junk files and repair common Windows errorsFree Scan →| Question | Consumer photo app | DermaSensor |
|---|---|---|
| Who uses it? | A consumer submits or analyzes an image. | A physician uses the device during assessment. |
| What is its role? | Apps may present possible diagnoses; the AAD cautions against relying on them to diagnose a condition. | Adjunctive support for a physician’s referral decision about an already-suspicious lesion in a patient aged 40 or older. |
| What does its output establish? | A possible app result does not establish a diagnosis. | “Monitor” or “Investigate Further” is not a diagnosis and cannot replace biopsy or clinical judgment. |
| Does one tool’s regulatory status apply to the other? | No. Device authorization does not validate unrelated apps or AI models. | Its FDA De Novo authorization is specific to its labeled use and evidence. |
Check the current recall notice if using DermaSensor
As of October 7, 2026, the FDA recall record lists an open, classified Class 2 recall initiated October 13, 2025, and posted November 21, 2025. It identifies DermaSensor model 10101, software version 3.0.2, and specified serial numbers. The stated reason is potential failure to meet specifications, with possible incorrect results or delayed patient referral. The record does not mean every DermaSensor unit is affected; users and clinicians should check the current official FDA notice and serial-number list for the specific unit.
Quick Recap
What to do if you are concerned about a lesion
- Do not treat an app result as a diagnosis. A low-risk or reassuring output cannot rule out cancer.
- Arrange medical assessment for a concerning lesion. A dermatologist can evaluate it and determine whether further testing, including biopsy, is appropriate.
- Keep clinician-directed tools in their intended role. A device such as DermaSensor can support a physician’s referral decision within its labeled population and lesion scope; it does not replace that physician’s judgment.
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