Aims: To describe the clinical features, multimodal imaging, treatments and natural course of acute spontaneous vortex vein occlusion.
Methods: Clinical data were collected on nine patients with acute vortex vein occlusion. The symptoms and signs, multimodal imaging, treatments and follow-up results were summarised.
Results: Six patients (66.7%) were men and three (33.3%) were women. The mean age was 47.8±15.4 years. Patients were initially misdiagnosed as having choroidal tumour (66.7%), scleritis (22.2%) and peripheral exudative haemorrhagic chorioretinopathy (11.1%). The related clinical characteristics included choroidal pseudo-tumour (100%), anterior segment injection (88.9%), acute ocular pain (77.8%), transient blurred vision (66.7%) and subsequent scleral icterus (66.7%). Six patients (66.7%) experienced a definite Valsalva manoeuvre prior to the onset. In acute phase, ultrasonography showed a low-to-medium reflective lesion without inside blood flow signal (mean thickness, 2.7±0.6 mm). Swept-source optical coherence tomography angiography (SS-OCTA) demonstrated the dilated vortex veins and ampulla with suprachoroidal haemorrhage and exudation. Indocyanine green angiography (ICGA) demonstrated choroidal circulation abnormalities in the affected quadrant. MRI showed a well-defined mass with enhancement. The main treatment was medical observation (44.5%). The choroidal pseudo-tumour spontaneously resolved with a mean course of 4.1±1.9 weeks.
Conclusions: Acute vortex vein occlusion is a rare condition and initial misdiagnosis is not uncommon. It is mainly identified as an evanescent choroidal pseudo-tumour with acute pain, red eye and blurred vision. Widefield ICGA and SS-OCTA can offer valuable diagnostic clues. Medical observation may be a treatment option.
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http://dx.doi.org/10.1136/bjo-2023-324712 | DOI Listing |
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