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Erythroplasia of Queyrat treated with topical methyl aminolevulinate photodynamic therapy.

Abstract
An 82-year-old man presented with invasive squamous cell carcinoma of the glans penis arising in erythroplasia of Queyrat. He underwent Mohs' micrographic surgery for the invasive carcinoma. Seven weeks later, the residual erythroplasia of Queyrat was treated using photodynamic therapy. Methyl aminolevulinate cream was applied to the glans of the penis under occlusion for 3 hours and then, after local anaesthesia, irradiated with a 630-nm red-light-emitting diode lamp at a dose of 37 J/cm(2) for 8 min. The patient experienced some mild swelling, redness and pain, which subsided over the following 5 days. Eighteen weeks after photodynamic therapy, there had been no recurrence of the lesion, when the patient died from an unrelated cause.
AuthorsMichael R Lee, William Ryman
JournalThe Australasian journal of dermatology (Australas J Dermatol) Vol. 46 Issue 3 Pg. 196-8 (Aug 2005) ISSN: 0004-8380 [Print] Australia
PMID16008656 (Publication Type: Case Reports, Journal Article)
Chemical References
  • Photosensitizing Agents
  • Aminolevulinic Acid
Topics
  • Administration, Topical
  • Aged
  • Aged, 80 and over
  • Aminolevulinic Acid (administration & dosage, analogs & derivatives)
  • Carcinoma, Squamous Cell (drug therapy, pathology, surgery)
  • Erythroplasia (drug therapy, pathology, surgery)
  • Humans
  • Male
  • Penile Neoplasms (drug therapy, pathology, surgery)
  • Photochemotherapy (methods)
  • Photosensitizing Agents (administration & dosage)
  • Treatment Outcome

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