Abstract
Background: Acute graft-versus-host disease (GVHD) in the oral cavity is a rare complication of hematopoietic stem cell transplantation (HSCT) and treatment has a varying length of time for wound healing. Objective: This case report present a 63-year-old female patient with a diagnosis of acute lymphoid leukemia, submitted a related allogeneic HSCT, which after 6 months evolved with oral acute GVHD, presenting odynophagia, dysphagia, and difficulty of hygiene. Methods: We started the mouthwash dexamethasone and nystatin oral suspension and five sessions of photobiomodulation therapy (PBMT) (660 nm, 100 mW, 0.028 cm2, 2 J, 70 J/cm2, 20 sec/point) has been used with daily applications in the oral cavity (at the lesion sites and in healthy areas). Results: Complete healing of the oral lesions was observed in 5 days although the patient had acute skin and gastrointestinal GVHD. Conclusions: The treatment of oral acute GVHD with PBMT is still rare in the literature, but due to a good result in wound healing with PBMT, we have used this therapeutic option in combination with dexamethasone and have been successful in healing and reducing pain.
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