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Understanding Fluorouracil Treatment: Visualizing the Healing Process and What to Expect in 2026

"Topical fluorouracil (5-FU) is a chemotherapeutic agent primarily prescribed to treat actinic keratosis, superficial basal cell carcinoma, and other precancerous skin lesions. Visual documentation of the treatment process reveals a predictable progression of inflammation, crusting, and epithelial repair, which patients should monitor closely under professional dermatological guidance throughout their 2026 treatment cycle. The Mechanism of Fluorouracil and Clinical Expectations Fluorouracil operates as an antimetabolite, specifically a pyrimidine analogue. It inhibits the enzyme thymidylate synthase, which is essential for DNA synthesis. In th..."

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