<prompt> One of the following is an example of painless midline swelling :Branchial cystThyroglossal cystCystic hygromaCarotid body tumour  <response>: Ans is b ie Thyroglossal cyst. Midline swelling of neck from above downwardsLudwigs anginaEnlarged submental lymph nodesSublingual dermoidLipoma in submental regionThyroglossal cyst Subhyoid bursitisGoitre Lipoma enlarged lymph nodes in the suprasternal space of bumsRetrosternal goiterThymic swellingA dermoid cyst may occur anywhere in the midline 