Argon-helium cryoablation for thoracic vertebrae with metastasis of hepatocellular carcinoma-related hepatitis B: A case report

Figure 1 Computed tomography scan of the patient before and after argon-helium cryoablation. A: Multiple low-density round shadows of different sizes were noted (left arrow). Left hepatocellular carcinoma (HCC) metastasis of the 11^th thoracic vertebra and vertebral arch plate, and bone structure damage (right arrow) were observed; B: Argon-helium cryoablation of the right posterior lobe of the liver; C: Argon-helium cryoablation of HCC metastases; D: Frozen necrosis gas and low-density hypovascular necrotic tissue were noted in the right posterior lobe (right arrow) and around the 11th lumbar spine (left arrow).