PMC

B-scan ultrasound. A vector showing vitreous exudates, the retinal detachment (thin arrow), and subretinal abscess (thick arrow)

Orbit ultrasound: anterior (A) and posterior views (B) depicting posterior vitreous detachment. Ultrasonography of the left orbit revealed posterior vitreous detachment with some intragel opacities, and no internal blood flow. These appearances were consistent with an abscess with some overlying subretinal fluid.

(a) Funduscopy shows a large necrotic lesion in the superotemporal area with vitreous opacity of the right eye. (b) Ultrasound shows abscess formation with a height of 5 mm at the temporal macula (c) Abdominal computed tomography shows a pyogenic liver abscess of the right lobe. (d) Fundus, 18 months after admission showing a resolved abscess and atrophic retina at the original abscess site.

FLAIR axial image (A) depicts high signal in the right vitreous (arrowheads) suggestive of subchoroidal effusion. Note low signal in normal vitreous on the left due to fluid suppression. DWI sequence (B) and corresponding ADC map (C) demonstrate restricted diffusion (bright signal) within the vitreous chamber on the right and confirms a subchoroidal abscess (arrowheads).The mean ADC value in the subchoroidal abscess was 602 × 10⁻⁶ mm²/s, and in the central portion 2650 × 10⁻⁶ mm²/s. The left globe was normal, with a mean ADC of 2737 × 10⁻⁶ mm²/s.