- Patient preparation: none
- Contrast used: none
- Technique: linear transducer, consider using a standoff pad
- Images to obtain: transverse and sagittal grayscale and color doppler images of the palpable mass
- Looking for: characteristic features of a lymph node or simple cyst or vascular malformation or hematoma or pilomatrixoma or bone or scalloping of underlying skull bone as would be see in dermoid / epidermoid of scalp, note lipoma or sarcoma have non-specific appearance
- Post procedure tasks: none