1
Q
Thyroglossal duct cyst clinical features
A
Asymptomatic / small soft painless round mass in the center
- tenderness , redness , swelling if infected
- fistula
- difficulty swallowing or breathing
2
Q
From where the “branchial cyst” developes
A
- External auditory canal (1st)
- Toward the tonsils (2nd)
- External opening on lower neck
Internal opening in larynx (3rd) - parallels the course of recurrent laryngeal nerve
3
Q
Thyroglossal duct cyst pathophysiology
A
Incomplete closure of the thyroglossal duct
3
Q
DD for thyroglossal duct cyst
A
- desmoids cyst
- ectopic thyroid
- lipoma
- submental lymph node
- Sebaceous cyst
- Laryngocele
- ranula
4
Q
Treatment for thyroglossal duct cyst
A
Complete resection of the cyst and the whole tract
Sistrunk’s operation
5
Q
What “branchial cyst” contains ?
A
Thick turbid fluid full of “cholesterol crystals”
7
Q
What is the most common midline congenital neck mass
A
Thyroglossal duct cyst
8
Q
Dermoid cyst manifest during which age usually?
A
During the second and third decades
Surgery
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