Solitary Zygomatic Bone Metastasis From Hepatocellular Carcinoma Revealed on 18F-FDG PET/CT

Key Points

• To describe a rare instance of solitary zygomatic bone metastasis stemming from hepatocellular carcinoma and its imaging characteristics.
• Used FDG PET/CT to detect metastasis in the zygomatic bone.
• Patient previously treated with transarterial chemoembolization.
• Conducted a pathologic examination to confirm diagnosis.
• FDG PET/CT revealed increased uptake in the zygomatic bone with SUVmax of 3.9.
• Metastasis diagnosis was confirmed through pathologic examination.