- Branchial cleft cysts (20% of masses), present in childhood or adulthood, can get infected, anterior to SCM or pre-auricular.
- Thyroglossal duct cysts, midline over the hyoid bone, elevate with swallowing.
- Dermal cysts, submental or midline, move with overlying skin.
- Thyroid tumors usually in the midline.
- Malignant masses are usually hard, irregular, non-tender and fixed.