Answers
1)Abnormality
-Left eye swelling
-Proptosis of the left eye ball
-The swelling is necrosed
** Original picture of this exam question have this findings (left eye swelling with Proptosis, ptosis, ectropion, corneal opacities.
2)Two differential diagnosis
- Left eye Retinoblastoma
-Left eye Astrocytoma.
-Left eye Hemangioma
3)MRI of the orbit and brain.
Notes
Retinoblastoma
-Primary ocular malignancy of childhood
-arises from a multipotential precursor cell (mutation in the long arm of chromosome 13 band 13q14)
Treatment
-External beam radiation therapy
-Radioactive isotrope plaque
-Chemotherapy
-Enucleation of the eye
-Cryotherapy
-Photocoagulation