The use of antimicrobial photodynamic therapy in oral injuries of a pediatric patient with myelodysplastic syndrome: case report.

Aim: To report a case of a pediatric patient carrier of myelodysplastic syndrome (MDS) with severe oral infectious disease, in which antimicrobial photodynamic therapy (aPDT) was used as a therapeutic choice to support systemic treatment.

Methods And Results: This case report refers to a 1-year-old male patient with MDS and hospitalized for investigation and treatment of complications at a Pediatric Oncology and Hematology Center in Recife/PE, Brazil. The intraoral examination revealed a violaceous lesion surrounding the lower incisor teeth, which progressed with alteration of color to milky yellowish white, compromising the entire lower gingival border, leading to tooth mobility and consequent loss of teeth 71 and 81.