Sistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSPTAKAHAMA-JúNIOR, A.SANTOS-SILVA, A. R.ALVES, F. A.FONSECA, F. P.SCARINI, J. F.INNOCENTINI, L. M. A. R.KOWALSKI, L. P.2023-12-042023-12-042023Takahama-Júnior, A.; Santos-Silva, A. R.; Alves, F. A.; Fonseca, F. P.; Scarini, J. F.; Innocentini, L. M. A. R.; Kowalski, L. P.. Actinic Cheilitis. In: . Clinical Decision-Making in Oral Medicine: A Concise Guide to Diagnosis and Treatment: SPRINGER INTERNATIONAL PUBLISHING, 2023. p.135-139.978-303114945-0; 978-303114944-3https://observatorio.fm.usp.br/handle/OPI/57168Actinic cheilitis is an inflammatory and potentially malignant condition that mainly affects the lower lip and is caused by long-term chronic sun exposure. Considering the well-established association between actinic cheilitis and the development of squamous cell carcinoma in the lower lip, in this chapter, we highlight the importance of early diagnosis and provide therapeutic approaches to control the disease clinically and prevent its malignant transformation. © The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerland AG 2023.engrestrictedAccessActinic cheilitisLipOral cancerOral potentially malignant disordersUltraviolet raysActinic CheilitisbookPartCopyright SPRINGER INTERNATIONAL PUBLISHING10.1007/978-3-031-14945-0_19