Sclera

Question 1

Clinical features of Episcleritis

Answer 1

thickening confined to one area of anterior sclera and congestion of episcleral vessels, NOT associated with invasion of cornea
usually Self-limiting
Tx: steroids

Question 2

clinical features of Nodular granulomatous episclerokeratitis

Answer 2

aka fibrous histiocytoma, pseudotumor and Collie granuloma
Sheepdogs Border Collies, and Australian Shepherds
Nodular Pink Masses at temporal limbus, Bilateral and NON-painful, invasion of cornea is common and can cover completely

Question 3

Tx of nodular granulomatous episclerokeratitis

Answer 3

Topical and subconjunctival steroids, cyclosporine A, systemic azathioprine
can do Sx and cryo
Control is possible but cure is unlikely

Question 4

Clinical features of ocular nodular fasciitis

Answer 4

same as NGE except histopath shows fibroblasts with abundant reticulin formation
has no breed predisposition
Sx and cryo is curative unlike NGE

Question 5

Clinical features of diffuse scleritis

Answer 5

diffuse scleral injection/inflammation, tends to be bilateral
everything is inflamed
PAINFUL
American Cocker Spaniels
Tx: Topical steroids + systemic immunosuppressives (steroids and azathioprine)