title: Rapid development of squamous cell carcinoma after photodynamic therapy.
authors.affiliation: 1 National Skin Centre, Singapore, Singapore 2 The Dermatology Practice, Singapore, Singapore.
authors.forename: Weiting Michelle
authors.initials: WM
authors.lastname: Liang
authors.forename: Thiam Seng Colin
authors.initials: TS
authors.lastname: Theng
authors.forename: Kar Seng
authors.initials: KS
authors.lastname: Lim
authors.forename: Wee Ping
authors.initials: WP
authors.lastname: Tan
mesh_terms: D000368:Aged; D000622:Aminolevulinic Acid / Q000009:adverse effects / Q000031:analogs & derivatives; D001913:Bowen's Disease / Q000188:drug therapy* / Q000473:pathology; D002294:Carcinoma, Squamous Cell / Q000473:pathology / Q000601:surgery; D018450:Disease Progression; D005153:Facial Neoplasms / Q000188:drug therapy* / Q000473:pathology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010778:Photochemotherapy / Q000009:adverse effects*; D017319:Photosensitizing Agents / Q000009:adverse effects; D012878:Skin Neoplasms / Q000188:drug therapy* / Q000473:pathology
chemical_list: D017319:Photosensitizing Agents; C475457:methyl 5-aminolevulinate; D000622:Aminolevulinic Acid