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Fluorescein angiography:
Case seven
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What does this fluorescein angiography show?
Answer
This fluorescein angiography is taken at the venous
phase of the right fundus. The choroidal fluorescein
is absent given a picture of dark choroid.
Suggest some possible causes.
Answer
Abnormal deposition of substances at the layers of
the RPE that blocks the transmission of the choroidal
fluorescein. This can occur with Stargardt's
disease or argyrosis.
Choroidal ischaemia.
This patient has atypical Stargardt's disease in that
the typical pisciform flecks are absent (the flecks
are usually hyperfluorescence)
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