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Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XIV | Pages 59 - 59
1 Apr 2012
Picci P Sieberova G Alberghini M Vanel D Hogendoorn P Mercuri M
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Aim

To report late development of sarcomas on sites of previously curetted and grafted benign tumours. Rare cases of development of sarcomas in sites of previous benign lesions are documented, and the development is generally considered secondary to progression of benign lesions, even without radiotherapy.

Methods and Results

In our files, 12 cases curetted and grafted, without radiotherapy addition developed sarcomas from 6 to 28 years from curettage (median 18). Age at first diagnosis (9 GCT, 1 benign fibrous histiocytoma, ABC and solitary bone cyst) ranged from 13 to 55 (median 30). For all cases radiographic and clinic documentation was available. Histology was available for 7 of the benign lesions and for all malignant lesions. The type of bone used to fill cavities was autoplastic in 4 cases, homoplastic in 2 cases, homoplastic and tricalciumphosphate/hydrossiapatite in 1 case, autoplastic and homoplastic in 1 cases, heteroplastic in 1 case. In 3 cases the origin was not reported. Secondary sarcomas, all high grade, were 8 OS, 3 MFH, and 1 fibrosarcoma.