The mother of a 2-year old becomes concerned after she notices a lump in his neck

The mother of a 2-year old becomes concerned after she notices
a lump in his neck. On examination, the child is well, there is a
swelling in the subcutaneous tissue of the posterior triangle
which transilluminates. The most likely diagnosis is:
Dermoid cyst
Branhial cyst
Thyroglossal cyst
Cystic hygroma
Ranula

2.QUESTION
2.A 61-year old lady presents with a neck lump. The mass is below
the sternocleimastoid muscle. Although the swelling is
painless, she is profoundly embarrassed by halitosis. The
most likely diagnosis is:
Goitre
Reactive lymphadenopathy
Lymphoma
Pharyngeal pouch
Cervical rib

3.QUESTION 3
A 31- year old man presents with recurrent infection and
abscesses in the neck. On examination, you notice a midline
defect with an overlying scab. The swelling moves upwards
on tongue protrusion. The defect is most likely due to:
Dermoid cyst
Branhial cyst
Thyroglossal cyst
Cystic hygroma
Ranula

4.A 80-year old complains of neck swelling after a recent cold,
which has not resolved. On direct questioning, he has
experienced night sweats and has noticed some pain in the
lumps when he drinks wine with his meals. Examination
reveals multiple, painless swelling in the neck of a ‘rubbery’
consistency. His symptoms are most likely due to:
Goitre
Reactive lymphadenopathy
Lymphoma
Pharyngeal pouch
Cervical rib