Branchial Cyst

A 25-year-old male presents with a painless, soft, fluctuant mass in the left lateral aspect of his neck, anterior to the sternocleidomastoid muscle. This mass is most commonly a remnant of which embryological structure?

A 15-year-old girl is diagnosed with a branchial cleft cyst. Which of the following is the most common anatomical location for this type of cyst?

A 20-year-old college student presents with a slowly enlarging, non-tender, soft, and fluctuant mass in the left lateral neck. On examination, the mass is mobile and does not move with swallowing or tongue protrusion. Which of the following is the most characteristic internal content of an uncomplicated branchial cleft cyst?

A 30-year-old patient is diagnosed with a symptomatic second branchial cleft cyst that has recently become infected, causing pain and swelling. After initial antibiotic treatment to control the infection, what is the definitive management for this condition?

A 10-year-old boy presents with a soft, non-tender, compressible mass located in the left supraclavicular region, which transilluminates brightly. The mass has been present since birth and slowly increased in size. Which of the following is the most likely diagnosis?