Ulcerated lesion involving the left posterolateral tongue and measures 2.7 centimetres in AP and 2.5 centimetres in craniocaudal dimension at the depth of 12 mm. No further sites of asymmetric mucosal thickening in the aerodigestive tract.
13 x 9 x 8 mm left jugulogastric lymph node has an apparent hypodense component, however this is confirmed on axial images to be beam hardening artefact rather than a real finding. Left level II B lymph node is mildly prominent measuring 5.5 x 10 x 10 mm. No enlarged submental or submandibular lymph nodes.
Edentulous mandible and maxilla. No osseous destruction.
The canal for the left inferior alveolar nerve is expanded with intact sclerotic rim suggesting a benign process. There is no permeative lucency in the surrounding mandibular body to suggest an aggressive process, and this region is separate from the tongue primary.
No mediastinal or hilar lymph node enlargement. No pleural effusion. No suspicious pulmonary nodule or mass.
Conclusion:
2.7 centimetres a left posterolateral tongue lesion measures 12 mm in depth.
Expanded canal for the left inferior alveolar nerve has non-aggressive CT appearances is not thought to be due to perineural spread of tumour.