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. 2016:2016:5070187.
doi: 10.1155/2016/5070187. Epub 2016 Aug 28.

Denosumab Related Osteonecrosis of the Jaw with Spontaneous Necrosis of the Soft Palate: Report of a Life Threatening Case

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Denosumab Related Osteonecrosis of the Jaw with Spontaneous Necrosis of the Soft Palate: Report of a Life Threatening Case

Mohammed Qaisi et al. Case Rep Dent. 2016.

Abstract

Bisphosphonates have been used for years in the treatment of patients with distant bony metastasis and in the prevention of osteoporosis. One of main side effects of these medications is the development of bisphosphonate related osteonecrosis of the jaw (BRONJ) in a small subset of patients. A new class of medications with a shorter half-life, known as receptor activator of nuclear factor kappa-B ligand (RANKL) inhibitors, was introduced with the hopes of avoiding this side effect. However, reports of osteonecrosis of the jaw after the use of RANKL inhibitors have also been documented. We report on a patient who developed a life threatening osteonecrosis of the jaw with sepsis shortly after switching from a bisphosphonate to a RANKL inhibitor for osteoporosis treatment. This patient developed several soft tissue defects including spontaneous necrosis of the soft palate. To our knowledge this is the first time this presentation has been described.

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Figures

Figure 1
Figure 1
Patient presents to the emergency room in November 2013 with left submandibular fistula.
Figure 2
Figure 2
Intraoral photographs of necrotic, exposed bone surrounding site of extracted tooth #20.
Figure 3
Figure 3
Intraoral photographs of soft tissue fistula in the right side of her soft palate.
Figure 4
Figure 4
Chest X-ray demonstrating findings suspicious of ARDS.
Figure 5
Figure 5
(a) CT scan shows no fluid collection or abscess. However, air is evident in the marrow on left side of the mandible. (b) CT scan showed air in the epidural space in cervical region.
Figure 6
Figure 6
(a) Soft tissue healing intraoral wounds 1 year after initiation of MRONJ. (b) Improved bony coverage. (c) Healed neck fistula.

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