INTRAVITREAL BEVACIZUMAB (AVASTIN) FOR CHOROIDAL NEOVASCULARIZATION ASSOCIATED WITH DEFEROXAMINE RETINOPATHY
Bibliographic record
Abstract
In Brief Purpose: To report the effect of antivascular endothelial growth factor therapy for choroidal neovascularisation associated with deferoxamine toxicity. Method: In an interventional case report, intravitreal antivascular endothelial growth factor therapy was used for the treatment of a choroidal neovascularization in a patient with deferoxamine retinopathy. Results: A 54-year-old woman with beta-thalassemia intermedia and known deferoxamine toxicity presented with recent vision loss to the left eye secondary to a choroidal neovascular membrane. Visual acuity had decreased from 20/30 to 20/80 in the left eye. Funduscopic examination and fluorescein angiography revealed diffuse retinal pigment epithelial mottling and a choroidal neovascular membrane. Treatment with three doses of intravitreal bevacizumab led to a good structural outcome and improvement of the visual acuity. The patient later developed a choroidal neovascular membrane in the right eye. Similar treatment with intravitreal bevacizumab also led to a rapid structural resolution of the lesion, albeit with a more modest improvement in the visual acuity. Conclusion: Therapy with intravitreal bevacizumab might be an option for the treatment of choroidal neovascularization in the context of deferoxamine toxicity. A 54-year-old woman with beta-thalassemia developed a choroidal neovascular membrane associated with deferoxamine retinopathy. Treatment of the lesion with three doses of intravitreal bevacizumab led to a good outcome, both anatomically and functionally. The pathogenesis of choroidal neovascularization in deferoxamine toxicity is explored.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".