Methyl aminolevulinate photodynamic therapy for Bowen's disease on the fingers—Is monotherapy sufficiently effective?

Abstract

Bowen's disease (BD), also known as squamous cell carcinoma (SCC) in situ, most commonly involves the head and neck area as well as the extremities, 1 but little epidemiological data exists about its prevalence on the fingers. Several treatment modalities are available for BD, including surgical excision, photodynamic therapy (PDT), topical 5-fluorouracil, imiquimod, and cryotherapy, but no single therapy has been