The site of temporal bone metastasis is most commonly seen with:
Temporal Bone Metastasis: Metastatic tumours to the temporal bone are uncommon. Usually seeded by the hematogenous route MC metastatic lesion in the temporal bone: CA Breast Lung, Prostate and renal Carcinomas are well documented for their metastatic potential to the temporal bone. Ref: www.ncbi.nlm.nih.gov.v.63(Suppl 1); Jul2011
Carcinoma breast
Carcinoma bronchus
Carcinoma kidney
Carcinoma Prostate
Cardio thoracic surgery  