Case 190
Case History
A 14-year-old girl presents with new left breast lump.
Physical Examination
• left breast: 3 cm smooth mass extending from 10:00 to 2:00 along the areolar margin
• right breast: normal exam
Ultrasound
Frequency
• 7 MHz
Mass
• margin: well defined
• echogenicity: hypoechoic
• retrotumoral acoustic appearance: no shadowing
• shape: ellipsoid (Fig. 190–1)