Fig. 3.
An 80-year-old woman with a history of breast cancer treated surgically 10 years earlier and gastric cancer treated by endoscopic submucosal dissection 3 years earlier complained of back pain. (a) A 26-mm osteolytic tumor (arrow) has developed on the right side of the 11th thoracic vertebral body. (b) A 14-gauge bone biopsy needle (arrow) is inserted into the tumor through the bone tissue through the left pedicle of the vertebral arch. (c) An 18-gauge semi-automatic biopsy needle (arrowhead) is inserted through the bone biopsy needle (arrow) and biopsy is performed. The tumor is diagnosed as myeloma.