Metastatic tumors (ill defined)
- Metastastatic lesions in the jaws are usually from primary lesions below the clavicle (breast, bronchus, kidney, thyroid and prostate) .
- It occurs in adults older than 40 years.
- Mandible is the most common disease site followed by the maxillary sinus
- Lesion margins are usually well-defined but not corticated. Then gradually coalesce to form large ill-defined radiolucensies.
- Symptoms and signs include pain, swelling, paraesthesia/anaesthesia. Large lesions can lead to pathological fractures.