case_images: PMC11809644_01
case_images: Exposure of the mandibular bone.
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case_images: We also noted the presence of bone exposure ( Figure 2) in 6 cases, bone sequestration in 15 cases, or bone fracture in 9 cases.
case_images: Cutaneous fistula in osteoradionecrosis.
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case_images: The presence of a cutaneous fistula ( Figure 3) was noted in 39% of cases.
case_images: Osteoradionecrosis of the left mandible.. CT scan showing osteoradionecrosis of the horizontal branch of the left mandible complicated by sequestra (star) and mandibulo-cutaneous fistula (yellow arrow).. A: Sagittal section.. B: Frontal section.. C: 3D reconstruction.
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case_images: ORN was predominantly mandibular (40 patients), affecting various regions such as the horizontal branch (27 patients) ( Figure 4), mandibular angle (10 patients), and ascending branch (3 patients).
case_images: Osteoradionecrosis of the temporal bone.. A and B: Coronal section showing of a CT-scan showing bilateral lytic erosion of the tympanic bone (star) and thickening of the walls of the external auditory canal.
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case_images: Other locations included the maxilla (2 cases) and the skull base (4 cases) ( Figure 5).
case_images: Evolution of osteoradionecrosis based on the number of hyperbaric oxygen therapy sessions.
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case_images: Results showed regression in 33% of cases, stabilization in 45%, and progression or aggravation in 22% ( Figure 6).