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Congenital macular macrovessels.

Giuseppe de Crecchio1, Maria Cristina Alfieri, Gilda Cennamo

  • 1Department of Ophthalmology, University Federico II, Via Pansini 5, 80131, Naples, Italy. crecchio@unina.it

Graefe'S Archive for Clinical and Experimental Ophthalmology = Albrecht Von Graefes Archiv Fur Klinische Und Experimentelle Ophthalmologie
|February 3, 2006
PubMed
Summary
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Congenital aberrant macular vessels are rare retinal vascular anomalies. Long-term follow-up shows stable visual acuity and stable ophthalmoscopic findings in most cases.

Area of Science:

  • Ophthalmology
  • Retinal Vascular Diseases
  • Macular Abnormalities

Background:

  • Congenital aberrant macular vessels are rare and can lead to visual impairment.
  • Potential complications include foveal crossing, foveolar cysts, and hemorrhage.

Observation:

  • A review of patients with vascular anomalies identified 13 cases of abnormal, large retinal vessels crossing the macular region.
  • Follow-up duration ranged from 3 months to 21 years (mean 14 years).

Findings:

  • All anomalous vessels were veins, exhibiting early filling and delayed emptying on fluoroangiography.
  • Associated microvascular anomalies included enlarged foveal avascular zones, capillary dilation, and microaneurysms.
  • Visual impairment occurred in five eyes, attributed to hemorrhage or the vessel's presence in the foveal area, with no improvement.

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Implications:

  • Aberrant macular vessels crossing the fovea can cause visual impairment.
  • Despite potential complications, visual acuity and imaging findings tend to remain stable over long-term follow-up.