Keratosis
Keratosis appears in the names of different skin growths or changes. Seborrheic keratoses are benign growths; actinic keratoses are precancerous changes. Some spots can look similar, so the full name and a professional examination matter.
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BEYOND THE DEFINITION
You don’t need the perfect words.
Understanding the basics can help you ask.
An actinic keratosis is a sun-damaged patch that can feel rough or scaly. These lesions often occur on exposed areas such as the face, scalp, or hands. They are considered precancerous because some can develop into skin cancer; assessment guides the appropriate next step. [3]
A confirmed seborrheic keratosis is a benign growth, often with a waxy or wart-like surface. That reassurance applies to an identified lesion, not every rough spot. Seborrheic keratoses can resemble actinic keratoses or skin cancer, so appearance alone should not settle the question. [1]
Do not assume a rough or raised spot is harmless. A clinician must identify the type. [1] [2]
THE CLINICAL CONVERSATION
Have new patches assessed, particularly if a spot grows, bleeds, changes color, becomes tender, or forms a lump. A clinician may recommend specialist review and discuss treatment based on the type and number of lesions. Sun protection and monitoring remain important after assessment. [3]
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Prepare for a care conversationTHREE QUESTIONS TO BRING
A FEW STRAIGHT ANSWERS
General information to help you prepare for a conversation about your own health.
No. Protecting skin from ultraviolet exposure helps reduce further damage, but a new or changing patch still needs assessment. Do not use improvement as proof of a diagnosis. [3]
No. Confirmed seborrheic keratoses do not spread between people. More can develop over time, especially as people get older, but a changing growth still deserves attention. [1]
CONNECT THE DOTS
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READ A LITTLE FURTHER
General education, not a diagnosis, treatment plan, or a list of confirmed Northguard services. A qualified clinician determines which assessment or care is appropriate.
References checked November 7, 2026. This content has not been clinically reviewed for Northguard.
