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骨转移瘤是指骨外其他组织、器官的恶性肿瘤,包括癌、肉瘤和其他恶性病变转移至骨而发病,约占全身转移瘤的15%-20%,仅次于肺及肝转移,居第三位[1]。恶性肿瘤一旦发生骨转移,将对病人的预后产生极大的影响,早期诊断骨转移瘤可以尽早改变治疗方案,减少患者痛苦。目前,用于骨转移瘤诊断的主要方法有活组织检查与影像学检查。活组织检查虽然是最可靠的金标准,但它是有创检查,故不作为首选方法。当前检测骨转移瘤最常用的方法是影像学检查,如SPECT,PET,X线,CT等。
Bone metastases refer to the malignant tumors of other tissues and organs outside the bones, including cancer, sarcoma and other malignant lesions transferred to the bone and the incidence of about 15% -20% of systemic metastases, second only to lung and liver metastases, ranking Three [1]. Malignant tumors in the event of bone metastases, the prognosis of patients will have a tremendous impact, early diagnosis of bone metastases can change the treatment plan as soon as possible to reduce the suffering of patients. At present, the main methods used for the diagnosis of bone metastases are biopsy and imaging studies. Although biopsy is the most reliable gold standard, but it is an invasive examination, it is not as the preferred method. Currently the most commonly used method to detect bone metastases is imaging, such as SPECT, PET, X-ray, CT and so on.