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sunburst pattern |
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sunburst pattern Ophthalmology A pattern seen on funduscopy of the retina in stage III proliferative retinopathy of sickle cell disease, characterized by areas of retinal pigment epithelial hyperplasia, which develop after intra– and
subneural retinal hemorrhage, more commonly in Hb SS disease than in SC disease. See Proliferative sickle retinopathy. Cf Seafan pattern Radiology A descriptor for the appearance of a periosteal reaction, in which dense filiform spiculations are
perpendicular to the periosteum, classically in bone infiltration by typical and parosteal osteosarcomas, as these usually evoke a minimal periosteal reaction; 'sunburst' also refers to irradiating spiculation of the ileal bone around
the acetabulum in Voorhoeve syndrome–osteopathia striata. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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