What is the appearance of precancerous lesions in cutaneous squamous cell carcinoma (cSCC)?

Updated: Jul 08, 2020
  • Author: Talib Najjar, DMD, MDS, PhD; Chief Editor: Arlen D Meyers, MD, MBA  more...
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Frequently, the presentation of cSCC is preceded by the presence of actinic keratoses. [36] These precancerous lesions appear as scaly plaques or papules, often with an erythematous base. An actinic keratosis is usually only several millimeters in size and ranges from normal skin color to pink or brown. Patients with multiple actinic keratoses have an estimated 6-10% lifetime risk of developing skin cancer.

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