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Insights into Imaging
Fig. 10 | Insights into Imaging

Fig. 10

From: Bizarre parosteal osteochondromatous proliferation: an educational review

Fig. 10

Parosteal osteosarcoma. On X-rays (a), an exophytic heavily ossified mass is seen in contiguity with the medial aspect of the femoral neck. On coronal (b) and axial (c) CT images, the mass is denser centrally than at the periphery. The mass shows predominantly low signal representing mineralized component on both coronal T1-weighted (d) and axial T2-weighted (e) MRI sequences. Parosteal osteosarcoma was pathologically proven. Arrow points at the lesion in all images

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