Prostate cancer metastases to sphenoid bone- case report

Introduction: Prostate cancer (PCa) is the secondmost common type of cancer diagnosed in menglobally. Among PCa patients, approximately65.8% present with metastases localized mostcommonly in vertebrae, long bones, local lymphnodes, lungs, and liver. Although a rare occurrence,PCa metastasis can also be found in the head andneck region including supraclavicular lymph nodesand cranial bones.Case Presentation: A 61-year-old man wasdiagnosed with prostate cancer, after presenting with increased PSA level and mild dysuric symptoms.After initial successful treatment, increases in PSAlevel led to discovery of rare asymptomaticmetastases to the left cervical lymph nodes andsphenoid bone using an 18-F-FDG PET/CT scan.Conclusion: Diagnosis of head and neck prostatecancer metastases is a very rare finding that can beeasily overlooked. PET/CT scan using tumor-specific agents proves to be a useful tool for thedetection of early and unusual PCa metastases.