6Loutfi I, Collier BD, Mohammed AM. Nonosseous abnormalities on bone scans [J]. J Nucl Med Technol, 2003, 31(3): 149-153.
7Ak I, Ocak S. Cutaneous malignant melanoma showing extraoss- eous accumulation of Tc-99m MDP in a metastatic inguinal lymph node on bone scintigraphy [J]. Clin Nucl Med, 2007, 32 (11): 896-897.
8Mc Kenna D, Iqbal A, O' Keeffe D. Tc-99m methylene diphosphonate uptake in a primary lung cancer [J]. Clin Nucl Med, 2004, 29(11): 723-724.
9Eagel BA, Stier SA, Wakem C. Non-osseous bone scan abnormalities in mutiple myeloma associated with hypercalcemia [J]. Clin Nucl Med, 1988, 13(12): 869-873.
10Wolf R ,Wolf RF, Hoekstra HJ. Recurrent, multiple, calcified soft tissue metastases from osteogenic sarcoma without pulmonary involvement[J]. Skeletal Radiol, 1999, 28(12): 710-713.