| Growth of an osteochondroma at the medial clavicle with reactive exophytic overgrowth from the adjacent manubrium was also considered. |
| Secondary chondrosarcomas occur in preexisting benign car tilaginous neoplasms, such as a complication of a preexisting enchondroma or osteochondroma. |
| Here we report an extremely rare chest wall tumor and different localisation which was an osteochondroma in the xyphoid process. |
| To the best of our knowledge, this is the first case of an osteochondroma involving the nasal dorsum to be reported in the English-language literature. |
| Histology confirmed an osteochondroma with no malignant cells and vessel consistent with pseudoaneurysm formation. |
| For example, Rybak et al demonstrated corticomedullary continuation, a radiologic feature that has long been a mainstay in its differentiation from osteochondroma. |
