Fig. 4.
A 66-year-old man with cancer of the duodenal papilla developed an osteoblastic lesion in the 4th thoracic vertebral body. (a) A 34-mm osteoblastic lesion is present on the dorsal side of the 4th thoracic vertebral body. (b) A 14-gauge bone biopsy needle (arrow) is inserted into the osteoblastic lesion. (c) The needle is advanced into the deep side of the lesion while rotating it (arrow). The obtained specimen is revealed to represent bone metastasis from a duodenal papilla cancer.