%0 Journal Article %T Lesi¨®n l¨ªtica en el Radio distal %A Hidalgo M¨¦ndez %A Fernando %J Revista Cl¨ªnica de Medicina de Familia %D 2012 %I Scientific Electronic Library Online %R 10.4321/S1699-695X2012000100013 %X giant cell tumor of the bone is a controversial neoplasm. in most cases, it behaves as a benign tumor, but approximately 15% of cases will be diagnosed as malignant during the clinical course. in the initial phase, malignancy cannot be determined neither by radiological appearance nor by histopathology; instead, recurrences of the tumor will most consistently indicate malignancy. in this report, we present the case of a 47 year old male patient with a suspicious lesion in the distal radius and we define the radiological signs that suggest diagnosis of giant cell tumor of the bone. %K bone neoplasms %K giant cells. %U http://scielo.isciii.es/scielo.php?script=sci_abstract&pid=S1699-695X2012000100013&lng=en&nrm=iso&tlng=en