Retina/Uveitis

Question 1

What is the DDx of 4 things that cause intraocular cartilage?

Answer 1

1. Teratoma
2. Medulloepithelioma
3. PHPV
4. Trisomy 13

Question 2

Sacular dilation of the arterioles and venules occurs in what dx?

Answer 2

COATS (Lipid leakage in the OPL)

Question 3

Microphthalmos occurs in what 2 pediatric uveitc dz?

Answer 3

1. TOXOPLASMOSIS

2. RUBELLA

Question 4

Which macular dystrophy primarly has the RPE affected?

Answer 4

BESTs

Question 5

Which RP variant can have a normal looking fundus or macular coloboma?

Answer 5

Leber’s congenital amaurosis

Question 6

Which RP is atypical that starts in the macula with cardiac dz, hypercalemia?

Answer 6

Refsum’s (increased phytanic acid)

Question 7

Which hereditary vitreoretinopathy has a scotopic B wave with Preservation of the A wave?

Answer 7

Juevile Retinoschsis

Question 8

What % of RB is due to Somatic mutation of BOTH RB genes?

Answer 8

60%