RETINA - RETINAL TUMORS Flashcards
1
Q
what are 3 retinal tumors?
A
- retinoblastoma
- primary introcular lymphoma
- CHRPE
2
Q
what is the most common primary intraocular malignancy (tumor) in children?
A
retinoblastoma
3
Q
what is retinoblastoma?
A
Malignant transformation of primitive retinal cells occurs before they undergo final differentiation
4
Q
what age does retinoblastoma occur?
A
<5 y/o
5
Q
symptoms of retinoblastoma?
A
- unilateral leukocoria
- possible strabismus
6
Q
signs of retinoblastoma?
A
- unilateral leukocoria
- dome shaped yellow-white globular mass
- uveitis
- pseudohypopyon
- secondary glaucoma
7
Q
w/u for retinblastoma?
A
- DFE
- B-scan
- CT scan
- MRI
8
Q
tx/managment for retnoblastoma?
A
- refer to ophthamologist
- enucleation (removal of eye but leaves EOMS & other orbital content intact).
9
Q
prognosis for retinoblastoma?
A
good - survial rate is 85-90%
10
Q
what is a CHRPE?
A
benign congenital hypertrophy
11
Q
how to distinguish between choroidal nevi & CHRPE
A
- use red-free filter –> CHRPE will remain while nevus will dissapear with red-free filter.
12
Q
symptoms of CHRPE?
A
asymptomatic
13
Q
signs of CHRPE?
A
- singular flat brown (hyperpigmentation) freckle which will not dissapear w/ red-free filter.
- CHRPE may have central hypopigmentation called lacunae.
- multiple CHRPE is known as bear tracks.
14
Q
Muliple CHRPE’s (>40) & bilateral can be associated with what systemic condition?
A
Gardner’s syndrome (colon cancer)
15
Q
tx for CHRPE?
A
- single CHRPE - no tx, monitor & photographed
- Multiple, bilateral CHRPE’s - refer for colonoscopy (possible gardner syndrome or FAP).
