Fig. 1. Ultrasonography of the preoperative tattooing procedure performed for a metastatic lymph node in the left thigh of a 56-year-old man.
A. The metastatic lymph node shows increased vascularity on a power Doppler image. B. A needle tip (arrow) was inserted within the metastatic lymph node. C. The injected charcoal material (arrowheads) within the lymph node was demonstrated as irregular echogenicities.
