"Many potential pathologies can cause occipital condyle syndrome, but the most common cause is bony metastatic disease (~90% of cases) 1. A range of primary malignancies have been described in this context, with common primary malignancies being prostate cancer, lung cancer, and breast cancer 1,2. Other causes reported include occipital condyle osteophyte, craniovertebral tuberculosis, granulomatosis with polyangiitis, and inflammatory pseudotumour 1,4,5,7."