Objective To determine if in vivo detection of choline by1H-magnetic resonance spectroscopy(1H-MRS) could differentiate between benign and malignant bone and soft tissue tumors.

• 目的探讨磁共振氢质子波谱(1H-MRS)是否有助于四肢骨与软组织良恶性肿瘤的诊断及鉴别。