Adam,Rouilly AR403 - Page 28

Condion 29
This view is of the peripheral rena
The main clinical features are:
• Green-grey at asymptomac lesion with
detectable but not sharp borders
• Presence of surface drusen
• Areas of atrophy within the lesion
This diagnosis is consistent with:
CHOROIDAL NAEVUS
Comment:
The large size >5mm and any change in size indicates further invesgaon.
Condion 30
This view is of the opc disc and temporal rena
The main clinical features are:
• Pigmented clumps in macular area with
chorio-renal atrophy and scarring
• Pallor of the opc disc is noted indicang
atrophy
This diagnosis is consistent with:
MACULAR SCAR (TOXOPLASMOSIS)
Comment:
The cat is a denive host for Toxoplasma gondii. This is usually a quiescent lesion oen
discovered incidentally when a child is assessed for impaired vision. An acve lesion may
show an inammatory focus with a vitreous haze adjacent to a previous scar and vasculis.
There may be associated anterior uveis.
28
Condions and Diseases of the Rena (Connued)