[Radiologic diagnosis of bone tumors].

The tasks of radiology in diagnosis and therapy of bone tumors are pointed out. The value of information provided by magnification technique, tomography, substraction angiography, computed tomography, and additional scintigraphy of the skeleton is demonstrated. Examples of different kinds of malignancy of bone destruction are shown exhibiting as defects with sharp margins, blurred osteolytic lesions, or tunnelling infiltrations. Different appearances of tumorous new bone formation as well as reactive appositions and periosteal reactions are demonstrated. The problems in diagnostic radiology of bone tumors are discussed.