Jaw Swelling

57-year-old patient presented with longstanding history of swelling on left side of face and difficulty opening mouth.

Figure 1. Shows expansile lytic space-occupying lesion involving mandible body and ramus on left with thinning of cortex with solid and cystic areas. Solid regions show heterogenous enhancement.

Figure 2. Shows expansile lytic space-occupying lesion involving mandible body and ramus on left with thinning of cortex with solid and cystic areas. Solid regions show heterogenous enhancement.

Figure 3. Shows expansile lytic space-occupying lesion involving mandible body and ramus on left with thinning of cortex with solid and cystic areas. Solid regions show heterogenous enhancement.

Figure 4. Shows expansile lytic space-occupying lesion involving mandible body and ramus on left with thinning of cortex with solid and cystic areas. Solid regions show heterogenous enhancement.

Figure 5. Shows expansile lytic space-occupying lesion involving mandible body and ramus on left with thinning of cortex with solid and cystic areas. Solid regions show heterogenous enhancement.

Figure 6. Shows expansile lytic space-occupying lesion involving mandible body and ramus on left with thinning of cortex with solid and cystic areas. Solid regions show heterogenous enhancement.

Diagnosis: Ameloblastoma

CT showed expansive solid and cystic space-occupying lesion involving mandible body and ramus on left with thinning of cortex.

Ameloblastoma is a group of oral tumors that are mostly benign but can be locally aggressive.

Radiologically, tumor can be monocystic or multilocular with bone expansion, however in maxilla they grow along bone.