Retinal cases & brief reports · 2024
INDOCYANINE GREEN ANGIOGRAPHY-GUIDED PHOTOCOAGULATION OF LARGE MICROVASCULAR ABNORMALITIES ("TELCAPS") IN A PATIENT WITH PERSISTENT MACULA EDEMA IN THE CONTEXT OF RADIATION RETINOPATHY.
СтатьяКлинический случайНазвание и аннотация: Перевод в очереди
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Perrin Elise L, Porter Rowan G B
Аннотация
PURPOSE: The purpose of this report is to describe a patient with radiation retinopathy who responded to indocyanine green angiography (ICGA)-guided photocoagulation as treatment for persistent macula edema secondary to TelCaps, a newly defined type of large microvascular abnormality.
METHODS: Retrospective case report.
RESULTS: A 40-year-old man with a history of bilateral retinoblastoma and right enucleation presented with decreased vision in the left eye secondary to macula edema. Examination revealed radiation retinopathy with a cluster of ICGA-avid large microaneurysms temporal to the macula. The patient did not respond to treatment with intravitreal bevacizumab or triamcinolone. Complete resolution of macula edema was demonstrated after two rounds of ICGA-guided focal photocoagulation to the aforementioned microaneurysm cluster. No subsequent or adjunctive intravitreal injections of anti-VEGF were required, and there was no recurrence of the TelCaps lesions at follow-up to eight years.
CONCLUSION: TelCaps are large microvascular abnormalities with high affinity for ICG. These lesions may not have been recognized because of difficulties in their detection on routine examination and with investigations including ocular coherence tomography angiogram and fluorescein angiogram. Early evidence supports their role in macula edema that is not responsive to intravitreal injections of anti-VEGF. ICGA-guided photocoagulation of TelCaps lesions can result in resolution of macula edema. To our knowledge, this is the first reported case of TelCaps secondary to radiation retinopathy.
METHODS: Retrospective case report.
RESULTS: A 40-year-old man with a history of bilateral retinoblastoma and right enucleation presented with decreased vision in the left eye secondary to macula edema. Examination revealed radiation retinopathy with a cluster of ICGA-avid large microaneurysms temporal to the macula. The patient did not respond to treatment with intravitreal bevacizumab or triamcinolone. Complete resolution of macula edema was demonstrated after two rounds of ICGA-guided focal photocoagulation to the aforementioned microaneurysm cluster. No subsequent or adjunctive intravitreal injections of anti-VEGF were required, and there was no recurrence of the TelCaps lesions at follow-up to eight years.
CONCLUSION: TelCaps are large microvascular abnormalities with high affinity for ICG. These lesions may not have been recognized because of difficulties in their detection on routine examination and with investigations including ocular coherence tomography angiogram and fluorescein angiogram. Early evidence supports their role in macula edema that is not responsive to intravitreal injections of anti-VEGF. ICGA-guided photocoagulation of TelCaps lesions can result in resolution of macula edema. To our knowledge, this is the first reported case of TelCaps secondary to radiation retinopathy.