Table 1.
Clinical characteristics of patients with advanced mandibular osteoradionecrosis.
| Patient | Sex | Age (years) | Pathological diagnosis (primary site) | RTc type and dose | Interval between RT and surgery | NDe | CTf | Location of bone exposure | Pathological fracture | Cutaneous skin fistula | Preoperative IANg paralysis |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Male | 76 | SCCa (right nasopharynx) | Conventional 70 Gy | 201 months | No | Yes | Left molar | Yes | Yes | Yes |
|
| |||||||||||
| 2 | Male | 70 | SCCa (right oropharynx) | IMRTd 69.96Gy | 43 months | No | Yes | Right retromolar | Yes | Yes | Yes |
|
| |||||||||||
| 3 | Male | 82 | SCCa (right oropharynx) | Conventional 60 Gy | 157 months | No | No | Right molar-retromolar | No | Yes | Yes |
|
| |||||||||||
| 4 | Male | 57 | UCb (left nasopharynx) | Conventional 70 Gy | 155 months | No | Yes | Right retromolar | No | Yes | Yes |
Abbreviations: aSCC, squamous cell carcinoma; bUC, undifferentiated carcinoma; cRT, radiotherapy; dIMRT, intensity-modulated radiotherapy; eND, neck dissection; fCT, chemotherapy; gIAN, inferior alveolar nerve.