regarding metastatic bone tumors:
a- xray bone survey is done in all patients with known malignancy.(t)
b- in 1-5% of patients, primary maliganncy could not be identified.(t)
c- Bone metastasis of ewing sarcoma has similar appearance to metastases from leukemia on plain x-rays.
a- xray bone survey is done in all patients with known malignancy.(t)
b- in 1-5% of patients, primary maliganncy could not be identified.(t)
c- Bone metastasis of ewing sarcoma has similar appearance to metastases from leukemia on plain x-rays.