Sunburst Appearance

Imaging A descriptor for the appearance of a layered periosteal reaction, result of tumour extension, mineralization (sclerosis), and formation of dense filiform periosteal spicules in the surrounding tissue perpendicular to the periosteum, classically seen in bone infiltration by typical and parosteal osteosarcomas, as these usually evoke a minimal periosteal reaction. These changes are not pathognomonic and may also be seen in Ewing sarcoma
‘Sunburst’ also refers to irradiating spiculation of the ileal bone around the acetabulum in Voorhoeve syndrome—osteopathia striata
Ophthalmology See Black sunburst pattern

单词	sunburst appearance
释义	Sunburst Appearance Imaging A descriptor for the appearance of a layered periosteal reaction, result of tumour extension, mineralization (sclerosis), and formation of dense filiform periosteal spicules in the surrounding tissue perpendicular to the periosteum, classically seen in bone infiltration by typical and parosteal osteosarcomas, as these usually evoke a minimal periosteal reaction. These changes are not pathognomonic and may also be seen in Ewing sarcoma ‘Sunburst’ also refers to irradiating spiculation of the ileal bone around the acetabulum in Voorhoeve syndrome—osteopathia striata Ophthalmology See Black sunburst pattern
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