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Pseudodoubling of the optic disc: a colour Doppler imaging study
M Cellini1, A Alessandrini, B Bernabini
1Department of Surgical Science A. Valsalva, 2nd Eye Clinic, University of Bologna, Bologna, Italy. cellinim@med.unibo.it
Summary
Pseudodoubling of the optic disc, a rare condition, was diagnosed as a chorioretinal coloboma in a patient with diabetes and hypertension. This case highlights the importance of advanced imaging to differentiate from other optic disc anomalies.
Area of Science:
- Ophthalmology
- Medical Imaging
- Genetics
Background:
- Pseudodoubling of the optic disc is an uncommon condition requiring differential diagnosis from retinal coloboma or atrophy due to vascular or infectious causes.
- Diabetic retinopathy and arterial hypertension are significant comorbidities that can influence ocular presentations.
Observation:
- A case of pseudodoubling of the optic disc was observed in a patient with type 2 diabetes and arterial hypertension.
- Ophthalmoscopic examination revealed a disc-like lesion in the right eye and diabetic retinopathy in the left eye.
Findings:
- Fluorescein angiography, neuroradiological imaging, and color Doppler imaging were utilized for evaluation.
- Color Doppler imaging confirmed anomalous vascularization of the pseudopapilla and identified choroidal vessel anastomosis, indicating a chorioretinal coloboma as the cause.
Implications:
- This case underscores the necessity of comprehensive diagnostic approaches, including advanced imaging, for accurate diagnosis of optic disc anomalies.
- Understanding the vascular connections in pseudodoubling can aid in differentiating congenital malformations from acquired pathologies.
- The findings contribute to the understanding of rare optic disc presentations in patients with systemic diseases like diabetes.