Related Experiment Videos
Cancer-associated retinopathy with retinal phlebitis
Y Ohnishi1, S Ohara, T Sakamoto
1Department of Ophthalmology, Faculty of Medicine, Kyushu University, Fukuoka, Japan.
The British Journal of Ophthalmology
|December 1, 1993
Summary
This study investigated cancer-associated retinopathy (CAR) in a patient with visual disturbances. The patient
Area of Science:
- Ophthalmology
- Oncology
- Immunology
Background:
- Cancer-associated retinopathy (CAR) is a rare autoimmune disorder.
- It presents with progressive vision loss, often linked to occult malignancy.
- Understanding the immunological basis of CAR is crucial for diagnosis and treatment.
Observation:
- A 50-year-old male patient presented with bilateral visual disturbance, ring-like scotoma, and nyctalopia.
- Ophthalmoscopy revealed narrowed retinal arterioles and dilated retinal venules.
- The patient had a history of cancer with multiple metastases found at autopsy.
Findings:
- Immunofluorescence studies showed patient serum antibodies reacted with the ganglion cell layer of normal retina.
- Western blotting identified patient serum antibodies targeting specific retinal proteins of 24 and 48 kDa.
- The patient showed positive response to oral corticosteroid therapy.
Implications:
- This case highlights the autoimmune nature of CAR, with antibodies targeting retinal proteins.
- Early diagnosis and immunosuppressive therapy may improve visual outcomes in CAR patients.
- Further research into specific retinal autoantigens in CAR is warranted.