30-year-old male with 1 cm mass in the left upper arm, suspected cyst versus lipoma. Grayscale and color ultrasound was performed in the left triceps area at the site of the patient's palpable complaint. Seen is a circumscribed 1.1 x 1.2 x 0.5 cm hyperechoic lesion in the subcutaneous soft tissues without significant vascularity, findings most consistent with a lipoma.
Findings consistent with a subcutaneous lipoma as detailed above. 