Cornea: Severe Peripheral Corneal Ulceration

Question 0

astigmatism

Answer 0

what is the main cause of blurred vision in a Mooren ulcer

Question 1

Mooren ulcer

Answer 1

a rare, idiopathic disease characetrized by progressive, circumferential, peripheral, stromal ulceration with later central spread

Question 2

perforation, scarring

Answer 2

severe complications of Mooren ulcer

Question 3

PUK

Answer 3

Mooren ulcer, PUK, or both: typically extends to involve the sclera (scleritis - most important distinguishing feature)

Question 4

PUK

Answer 4

Mooren ulcer, PUK, or both: end-stage may result in contact-lens cornea

Question 5

PUK

Answer 5

Mooren ulcer, PUK, or both: associated with life-threatening systemic disease

Question 6

both

Answer 6

Mooren ulcer, PUK, or both: resection of limbal conjunctiva or cryotherapy may have therapeutic effect

Question 7

Mooren ulcer

Answer 7

Mooren ulcer, PUK, or both: incidence high in areas where helminthic infection in endemic

Question 8

circumferentially then centripetally

Answer 8

pattern of spread of Mooren ulcer

Question 9

bilateral, rapidly progressive

Answer 9

bilateral, rapidly progressive or unilateral, slowly progressive – type of Mooren ulcer in West African males with helminthic infection

Question 10

unilateral, slowly progressive

Answer 10

bilateral, rapidly progressive or unilateral, slowly progressive – type of Mooren ulcer in elderly men and women

Question 11

true

Answer 11

TRUE or FALSE: a Mooren ulcer associated with a systemic condition is by definition PUK

Question 12

rheumatoid arthritis

Answer 12

most common disease association of PUK

Question 13

peripheral stromal thinning, sclerosing keratitis, keratolysis

Answer 13

three variants of PUK in patients with rheumatoid arthritis

Question 14

PUK

Answer 14

Mooren ulcer, PUK, or both: may demonstrate keratolysis in which the central corneal stroma melts acutely

Question 15

Wegener’s granulomatosis

Answer 15

second most common disease association of PUK

Question 16

PUK

Answer 16

Mooren ulcer, PUK, or both: may demonstrate minimal inflammation

Question 17

hydration

Answer 17

basic treatment of PUK to prevent local action of destructive cytokines

Question 18

conjunctival flap

Answer 18

what kind of treatment used for ulceration would be absolutely contraindicated in a case of Mooren ulcer or PUK?

Question 19

both

Answer 19

Mooren ulcer, PUK, or both: severe involvement requires use of systemic immunosuppressive agents

Question 20

corticosteroids

Answer 20

This treatment for severe peripheral corneal ulceration, though it may suppress inflammation, may actually accellerate melting by delaying re-epithelialization, predisposing to infection, and suppressing collagen production

Question 21

Mooren ulcer

Answer 21

Mooren ulcer, PUK, or both: associated with elevated levels of IgA and deficiency of suppressor T cells

Question 22

lamellar

Answer 22

if keratoplasty is to be performed in PUK or Mooren ulcer, it should be of this type

Question 23

PUK

Answer 23

.

Question 24

Mooren ulcer

Answer 24

.