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Cancer associated retinopathy (CAR) is a paraneoplastic disease of the eye associated with the presence of extraocular malignancy and circulating autoantibodies against retinal proteins.
Features include common findings: Visual loss, Photophobia, Malignant genitourinary tract tumor, and Reduced visual acuity and others; and sometimes findings: Optic disc pallor, Central scotoma, Retinal atrophy, and Constriction of peripheral visual field and others. 35 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Eyes | 7 | Adult-onset night blindness, Optic disc pallor, Retinal atrophy |
Biomarker and diagnostic research for cancer-associated retinopathy has been reported in the published literature.
Phenotype severity distribution: 12 common features.
Estimated prevalence: Unknown (Unknown prevalence).
No clinical trials have been registered for cancer-associated retinopathy.
46 publications have been identified in PubMed for cancer-associated retinopathy. Research spans Case Report / Case Series (70%), Review / Meta-Analysis (22%), and Diagnostic / Biomarker (4%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 32 | 70% |
Data assembled from 4 of 12 sources · Last updated Sep 19, 2026, 6:47 AM UTC
European rare disease database
Genetic and Rare Diseases Info Center
Muscles | 4 | Retinal atrophy, Retinal pigment epithelial atrophy, Diffuse cerebellar atrophy |
Blood and immune system | 2 | Autoimmune antibody positivity, Hodgkin lymphoma |
Lab test results | 1 | Autoimmune antibody positivity |
Lungs and breathing | 1 | Small cell lung carcinoma |
Brain and nerves | 1 | Visual hallucination |
Digestive system | 1 | Pancreatic adenocarcinoma |
10 |
22% |
Testing and diagnosis research | 2 | 4% |
Other research | 1 | 2% |
Laboratory research | 1 | 2% |
Mukundan A (2026). [PMID: 41316839](https://pubmed.ncbi.nlm.nih.gov/41316839/). *Ocular immunology and inflammation*. [Review / Meta-Analysis]
Majoul MS (2026). [PMID: 41664124](https://pubmed.ncbi.nlm.nih.gov/41664124/). *J Med Case Rep*. [Case Report / Case Series]
Ismedon M (2026). [PMID: 41944204](https://pubmed.ncbi.nlm.nih.gov/41944204/). *Ocul Immunol Inflamm*. [Case Report / Case Series]
Pan WW (2026). [PMID: 41379437](https://pubmed.ncbi.nlm.nih.gov/41379437/). *JAMA ophthalmology*. [Case Report / Case Series]
Grozdanic S (2026). [PMID: 41976030](https://pubmed.ncbi.nlm.nih.gov/41976030/). *Animals (Basel)*. [Basic Science / Preclinical]
Li M (2026). [PMID: 41862986](https://pubmed.ncbi.nlm.nih.gov/41862986/). *Arthritis Res Ther*. [Diagnostic / Biomarker]
Feo A (2026). [PMID: 40939111](https://pubmed.ncbi.nlm.nih.gov/40939111/). *Ocular immunology and inflammation*. [Case Report / Case Series]
Natividade MS (2026). [PMID: 41852360](https://pubmed.ncbi.nlm.nih.gov/41852360/). *American journal of ophthalmology case reports*. [Case Report / Case Series]
Zhao CS (2026). [PMID: 41608829](https://pubmed.ncbi.nlm.nih.gov/41608829/). *Current opinion in ophthalmology*. [Review / Meta-Analysis]
Adamkiewicz D (2026). [PMID: 41400833](https://pubmed.ncbi.nlm.nih.gov/41400833/). *Ocular immunology and inflammation*. [Review / Meta-Analysis]