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Macular burn after transpupillary thermotherapy for occult choroidal neovascularization
Nathanael Benhamou1, Salomon Y Cohen, Ali Erginay
1Department of Ophthalmology, Hôpital Lariboisière, Assistance Publique-Hôpitaux de Paris, Paris, France. nathanael_benhamou@yahoo.fr
Purpose:
To report a case of severe macular burn as a complication of transpupillary thermotherapy treatment for occult choroidal neovascularization.
Design:
Interventional case report.
Methods:
A 65-year-old man developed a severe macular burn following transpupillary thermotherapy treatment.
Results:
Before treatment, fluorescein angiography and indocyanine green angiography showed a progressive, ill-defined leakage corresponding to the presence of occult choroidal neovascularization. One month after treatment, fundus examination disclosed macular atrophy. The early phases of fluorescein angiography and indocyanine green angiography showed that the macular choroidal filling time had worsened dramatically. At the late phase of indocyanine green angiography, the initial hyperfluorescence of choroidal neovascularization was replaced by a persistent, markedly hypofluorescent area.
Conclusion:
Prolonged choroidal filling may be a risk factor for macular burn and choroidal occlusion after transpupillary thermotherapy. In such cases, we suggest that transpupillary thermotherapy should be considered with caution and, when applied, that its intensity should be reduced.