Abstract
Musculoskeletal sarcoma metastasizes to various sites in the body. The most common metastsis site is the lung, followed less frequently by the skeleton, brain, intra-abdominal organs, lymph node, and pleura. The metastasis of musculoskeletal sarcoma showed various manifestations, which was seen as a nonspecific finding. Metastatic lesions display similar and characteristic features, which include calcification of primary musculoskeletal sarcoma. These features may provide an important diagnostic clue when seen on CT findings. We present a review of the abdominal CT findings in 5 patients with calcified metastasis arising from musculoskeletal sarcoma.
References
1. Kim SJ, Choi JA, Lee SH, Choi JY, Hong SH, Chung HW, et al. Imaging findings of extrapulmonary metastases of osteosarcoma. Clin Imaging. 2004; 28:291–300.
2. Glass RJ, Eftekhari F, Kleinerman ES, Jaffe N, Nachman J. Osteosarcoma metastatic to the pancreas in young patients. Clin Radiol. 1996; 51:293–294.
3. Ha HK, Jung JI, Lee MS, Choi BG, Lee MG, Kim YH, et al. CT differentiation of tuberculous peritonitis and peritoneal carcinomatosis. AJR Am J Roentgenol. 1996; 167:743–748.
4. Mitchell DG, Hill MC, Hill S, Zaloudek C. Serous carcinoma of the ovary: CT identification of metastatic calcified implants. Radiology. 1986; 158:649–652.
5. Pace WM, Ross McDougall I. Tc-99m MDP uptake in soft tissue extraskeletal metastasis from osteogenic sarcoma. Clin Nucl Med. 2000; 25:333–334.
6. Jeffree GM, Price CH, Sissons HA. The metastatic patterns of osteosarcoma. Br J Cancer. 1975; 32:87–107.
7. van Zanten TE, Golding RP, Taets ven Amerongen AH. Osteosarcoma with calcific mediastinal lymphadenopathy. Pediatr Radiol. 1987; 17:258–259.
8. Buetow PC, Parrino TV, Buck JL, Pantongrag-Brown L, Ros PR, Dachman AH, et al. Islet cell tumors of the pancreas: pathologic-imaging correlation among size, necrosis and cysts, calcification, malignant behavior, and functional status. AJR Am J Roentgenol. 1995; 165:1175–1179.
9. Buetow PC, Buck JL, Pantongrag-Brown L, Beck KG, Ros PR, Adair CF. Solid and papillary epithelial neoplasm of the pancreas: imaging-pathologic correlation on 56 cases. Radiology. 1996; 199:707–711.
10. Klein KA, Stephens DH, Welch TJ. CT characteristics of metastatic disease of the pancreas. Radiographics. 1998; 18:369–378.