59-year-old male, evaluate for growth of right posterior neck mass for extension into deeper tissues, malignant features as well as tissue composition. Along the right posterior neck in the region of the palpable area is a subcutaneous heterogeneous solid mass measuring 3.9 cm x 1.9 cm.
Right posterior neck subcutaneous mass corresponding to the palpable area noted by the patient. While this has characteristics compatible with a lipoma, note that the specificity of ultrasound for characterizing subcutaneous masses is relatively poor and correlation with MRI is recommended if clinically warranted.