Cysts of orbit

Question 1

Epidermoid cyst

Answer 1

Lined by epidermis only
Filled w keratin

No dermal appendages
Treated surgically

Question 2

Deep dermoid

Answer 2

Adolescent
Non axial proptosis caused
Associated w Bony defect 
Non palpable
Well circumscribed lesion
Treated surgically

Question 3

Complications of deep dermoid

Answer 3

Granulomatous inflammation

Question 4

Sup dermoid

Answer 4

Infancy
Superotemporal
Superonasal margins
Associated w proptosis but NO bony defect

Question 5

Appearance

Answer 5

Firm round smooth painless mass 1-2 cm in diameter which is moveable under skin
Post margins palpable
Enlargement w age
Rule out expansion thru CT scan(sutures)
Treated surgically