Islets of columnar epithelium were found under the newly formed squamous epithelia in 50% of the patients subjected to APC therapy and in 4% of the patients treated with photodynamic therapy.
Se encontraron islotes de epitelio columnar bajo el epitelio escamoso neoformado en 50% de los pacientes sometidos a terapia con APC y en 4% de los pacientes tratados con terapia fotodinámica.