Clinical introduction A 77-year-old man presented to the ED with a history of fevers, purulent drainage and right mandibular pain. He had been diagnosed with multiple myeloma 2 years previously and was receiving treatment with pamidronate. On presentation, the lower right lip and chin were anaesthetic, tooth number 31 had grade 2 mobility and a 15 mm long ulceration was present on the lingual aspect of the mandible (figure 1). Antibiotics were administered, and a maxillofacial CT without contrast was performed (figure 2).
Question What is your diagnosis?
Benign fibro-osseous lesion
Medication-related osteonecrosis of the jaw (MRONJ)
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