Transarticular invasion of iliopelvic sarcomas into the sacrum: Radiological analysis of 47 cases |
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Authors: | Toshifumi Ozaki Norbert Lindner Axel Hillmann Thomas Link Winfried Winkelmann |
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Abstract: | Joint cartilage functions as a barrier against the extension of bone tumors. However, transarticular invasion by iliopelvic sarcomas across the sacroiliac (SI) joints into the sacrum sometimes occurs. We made a radiological analysis (CT and/or MRI) of 47 bone sarcomas which originated in the ilium and extended nearly to the SI joint. 8 of 17 chondrosarcomas and 3 of 30 other sarcomas (2 of 23 Ewing's sarcomas and 1 of 7 osteosarcomas) invaded the sacrum through the SI joint. |
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