Two possibilities are there for such lumps.It can be a thyroid
cyst or a swollen lymph node. A thyroid
cyst is a fluid-filled sac located in the thyroid
gland. Cysts may be small (< 1cm) or large
and they may develop slowly or appear suddenly. Treatment of thyroid
cyst involves fine needle aspiration of the fluid. The aspirated fluid is then sent for histopathological examination to look out for any malignancy.In svere cases surgery may be required.