Thyroglossal cyst
90% Thyroglossal cysts lie in the midline
Commonest site for thyroglossal cyst-Subhyoid.
Atypical thyroglossal cysts are usually found on left side.
Thyroglossal cyst is the commonest congenital neck swelling.
Commonest cause of recurrence is the failure to remove body of hyoid.
Treatment of papillary Ca of thyroglossal cyst-Sistrunks+Post op TSH suppression+Eltroxin
Sistrunks Operation
Surgery for thyroglossal cyst
Structures removed are
- Thyroglossal cyst
- Body of hyoid bone
- Core of tongue tissue pointing towards foramen caecum
Branchial cyst
Upper 1/3rd of neck on anterior border of sternocleidomastoid muscle.
Remnant of 2nd pharyngeal pouch(branchial cleft)
Cystic transformation of LN
Lined by stratified squamous epithelium.
Lymphoid tissue is seen on the walls.
Cystic Hygroma
Earliest congenital neck swelling
Posterior triangle of neck
Brilliantly transilluminant
Due to sequestration of jugular lymphsac
TOC: Surgery
Injection of sclerosants like OK-432,tertracycline,bleomycin are other modalities.
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