Dolichoectatic arterial compression of the chiasm and optic nerve: a case report.

GMS ophthalmology cases Pub Date : 2023-09-19 eCollection Date: 2023-01-01 DOI:10.3205/oc000223
Sara Ceuppens, Ine Lambert, Marcel Ten Tusscher
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Abstract

Dolichoectatic arterial compression of the anterior visual pathway is a rare but recognized condition. The functional impact, however, is still less clear. We describe a case of a 56-year-old male with diminished visual acuity in the left eye and incongruent inferior visual defect in both eyes caused by dolichoectasia due to a congenital hypoplasia of one horizontal segment of the circle of Willis and subsequent arterial compression of the chiasm and left optic nerve.

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视交叉和视神经的多点静态动脉压迫:一例报告。
前视觉通路的Dolichoestatic动脉压迫是一种罕见但公认的情况。然而,功能影响仍然不太清楚。我们描述了一例56岁的男性病例,其左眼视力下降,双眼出现不协调的下视力缺陷,这是由于先天性Willis环一个水平段发育不全,随后交叉和左视神经受到动脉压迫而导致的毛细血管扩张。
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