5 results match your criteria: "Yale School of Medicine. Electronic address: sean.christensen@yale.edu.[Affiliation]"

Background: Photodynamic therapy (PDT) has been reported as a treatment for cutaneous squamous cell carcinoma in situ (SCCis), but only limited data are available on the effectiveness of PDT with aminolevulinic acid (ALA-PDT).

Objective: To review the outcomes of SCCis treated with ALA-PDT and examine factors associated with response.

Methods: A retrospective review identified 58 patients with 68 primary SCCis lesions treated with ALA-PDT and blue light illumination.

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Background: Squamous cell carcinoma in situ (SCCis) has been reported to involve the hair follicle epithelium. Deep follicular invasion is often cited as a cause of treatment failure.

Objective: We sought to define the frequency and the depth of hair follicle invasion by SCCis.

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