Proptosis

Question 1

Criteria for proptosis

Answer 1

> 21 mm
2 mm difference in eyes

Question 2

Pseudo proptosis

Answer 2

Buphthalmos
Unilateral high myopia
Contralateral enophthalmos
Ipsilateral lid retraction and contralateral ptosis
Shallow orbit

Question 3

Broad causes of proptosis

Answer 3

Inflammatory (TED,orbital cellulitis)
Neoplasm (lymphoma)
Vascular disorders (hemagioma)
Structural disorders (dermoid, mucocele)
Deposition (amylodosis,scleroderma)