Lace-like enhancement pattern of osteosarcoma of rib and liver metastasis in CT scans

Authors: Chan H.H.; Chan J.K.; Ng W-M.; Shek T.W.; Chan F-L.

Source: Australasian Radiology, Volume 45, Number 3, August 2001 , pp. 305-308(4)

Publisher: Blackwell Publishing

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Abstract:

SUMMARY

The rib is an uncommon site of osteosarcoma. With the use of adjuvant chemotherapy and aggressive surgical resection of the metastatic pulmonary lesions, extrapulmonary metastases are becoming more clinically evident. Primary rib osteosarcoma with extrapulmonary metastasis is exceedingly rare. A case is reported, showing that the pattern of metastasis of rib osteosarcoma is similar to that of primary bone osteosarcoma. The liver metastasis occurred after resection of the metastatic pulmonary lesions. A CT scan of the primary rib lesion and liver metastasis both showed a lace-like enhancement pattern, its histological appearance corresponding with neoplastic osteoid. With the increasing use of CT abdomen for localization of extrapulmonary metastases, lace-like enhancement may be seen more readily in the future.

Keywords: CT scan; liver; metastasis; osteosarcoma

Language: English

Document Type: Research article

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