sunburst pattern

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sunburst pattern2016-11-12T20:33:02+00:00
sunburst image from New Medical Terms

sunburst

sunburst pattern 

IMAGING 

(1) A descriptive term for the radiologic appearance of a layered centrifugal periosteal reaction, caused by tumour extension, mineralisation (sclerosis), and formation of coarse divergent filiform periosteal spicules in the surrounding tissue perpendicular to the periosteum. The pattern is classically seen in bone infiltration by typical and parosteal osteosarcoma,

bone with sunburst pattern image from New Medical Terms

bone with sunburst pattern

which usually evoke a minimal periosteal reaction. The changes are not pathognomonic and may also be seen in Ewing sarcoma

http://liveonearth.live journal.com/514105.html

(2) The adjective sunburst also refers to irradiating spiculation of the iliac bone around the acetabulum in osteopathia striata (OMIM:300373).   

Synonyms Onion skin appearance, sunray appearance 

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