Bimonthly half-dose ranibizumab in large pigment epithelial detachment and retinal angiomatous proliferation with high risk of retinal pigment epithelium tear: a case report
Jordi Monés,1,2 Marc Biarnés,1 Josep Badal1
1Institut de la Màcula i de la Retina, Barcelona, Spain; 2Barcelona Macula Foundation, Barcelona, Spain
Introduction: The management of large pigment epithelial detachments (PEDs) associated with retinal angiomatous proliferation (RAP) remains a challenge due to the high risk of retinal pigment epithelial (RPE) tear. We describe the successful progressive anatomical result and the maintenance of visual acuity to bimonthly, half-dose ranibizumab in a patient with this condition.
Purpose: To describe the management of a large PED secondary to RAP with bimonthly, half-dose ranibizumab.
Method: Case report.
Patient: A 71-year-old woman presented with visual symptoms due to an enlarged PED, compared with previous visits, secondary to a RAP lesion, with a visual acuity of 20/32. To reduce the risk of an RPE tear and a significant decrease in vision, we discussed with the patient the possibility of treating the lesion in a progressive manner, with more frequent but smaller doses of ranibizumab. The patient was treated biweekly with 0.25 mg of ranibizumab until flattening of the PED.
Results: The large PED flattened progressively, and visual acuity was preserved with no adverse events.
Discussion: The use of half-dose antiangiogenic therapy may be useful in managing large vascularized PED associated with RAP, in an attempt to reduce the risk of RPE tear.
Keywords: age-related macular degeneration, pigment epithelial detachment, ranibizumab, retinal angiomatous proliferation, RPE tear
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