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Case Reports
. 2023 Sep-Oct;43(5):727-730.
doi: 10.1111/scd.12823. Epub 2023 Jan 17.

Mucormycosis causing oral and nasal osteonecrosis in a case of acute myeloid leukemia

Mariah Luz Lisboa  1   2 , Liliane Janete Grando  3 , Sara Letícia Kretzer  4 , Karin Berria Tomazelli  2 , Bianca Carla Bianco  2 , Maria Claudia Santos da Silva  5 , Cleumara Kosmann  6 , Maria Inês Meurer  3
Affiliations
Case Reports

Mucormycosis causing oral and nasal osteonecrosis in a case of acute myeloid leukemia

Mariah Luz Lisboa et al. Spec Care Dentist. 2023 Sep-Oct.

Abstract

Aims: Mucormycosis is a rare and aggressive fungal infection with a high mortality rate because of its rapidly progressive and destructive nature. The oral cavity is often affected under opportunistic conditions. We report a 34-year-old woman diagnosed with acute myeloid leukemia complained of slight swelling on the right side of her face with toothache and gingival swelling. An incisional biopsy was performed, and the specimen analysis revealed broad aseptate hyphae with a ribbon-like appearance, which is characteristic of opportunistic Mucorales infection.

Methods and results: The oral lesion worsened, and invasion of the fungal infection into the maxillary sinus, nasal cavity, ethmoidal air cells, and sphenoid and frontal sinuses was observed. Partial maxillectomy was performed concomitantly with the ongoing chemotherapy for leukemia. A maxillofacial prosthesis was used for functional rehabilitation.

Conclusion: Successful management requires a multimodal approach. In this case, the patient required different systemic approaches for treating leukemia and the fungal infection as well as rehabilitation with an obturator prosthesis.

Keywords: immunocompromised host; leukemia; mucormycosis; oral mycosis; osteonecrosis.

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References

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