Head And Neck

Question 0

First branchial cleft

Answer 0

Duplication of external auditory canal

Communicates with oral cavity below mandible

***** watch for Facial Nerve

Question 1

Developmental abnormality in branchial cleft

Answer 1

Four arches form in the neck in weeks 4-6 development

Cysts are trapped remnants of clefts or pouches

Dx: clinical- CT/MRI
Tx: complete resection of the cyst and tract

Question 2

Second Branchial cleft

Answer 2

Most common of branchial cleft anomalies

Opens ant border of SCM and tonsillar fossa
Between carotid
Over hypoglossal and glossopharyngeal nerves

Question 3

Third branchial cleft

Answer 3

Opens ant border SCM
Internal open: piriformis mm

Behind carotid
Below hypoglossal nerve
Above glossopharyngeal

Question 4

Mass that moves with swallowing and protrusion of the tounge

Answer 4

Thyroglossal duct cyst

Question 5

Treatment of thyroglossal duct cyst

Answer 5

Sistrunk procedure

Complete excision of cyst and tract to the foramen cecum at the base of the tongue and removal of the central portion of the hyoid bone

Question 6

Neck mass that transilluminates

Answer 6

Lymphangioma