Case of right-neck tumor that appears to be ectopic thymus.

A 7-year-old female infant presented with an asymptomatic soft tissue mass in the right neck. The tumor was considered to be a benign one because it had a smooth margin and no change in its size was observed. Ultrasonography showed a 4.

Sentinel node detection method using contrast-enhanced ultrasonography with sonazoid in breast cancer: preliminary clinical study.

This study aimed to evaluate the usefulness of sentinel lymph node (SLN) detection in breast cancer using contrast-enhanced ultrasonography (CEUS) with subareolar Sonazoid injection. The subjects were 20 breast cancer patients. General anesthesia was induced and 2 mL of Sonazoid was injected subareolarly.