Condion 25
This view is of the opc disc and surrounding rena
The main clinical features are:
• Linear reddish-brown lesions with irregular
edges beneath the normal renal
vessels which represent breaks in Bruch’s
membrane and visualisaon of the
choroidal circulaon.
• Peripheral focal chorio-renal scars may be
present
This diagnosis is consistent with:
ANGIOID STREAKS
Comment:
Bruch’s membrane is mainly elasn. The condion is associated with connecve
ssue disorders. This includes: pseudoxanthoma elascum, Ehlers-Danlos syndrome,
Marfan’s syndrome. Rarely Paget’s disease, thyrotoxicosis, acromegaly and certain
haemoglobinopathies.
Condion 26
This view is of the opc disc and surrounding rena
The main clinical features are:
• Flat pigmented lesion involving inferior
aspect of the opc disc
This diagnosis is consistent with:
BENIGN DISC NAEVUS
Comment:
Oen dicult to disnguish from malignancy.
26
Condions and Diseases of the Rena (Connued)