A machinist with pain at work

Case ID Number: 
20090721AM
Image Modality: 
Xray
Tumor Type: 
Tumors - unknown type
Benign/Malignant: 
unknown
Body Region: 
hip and proximal femur
Bone Name: 
femur
Location in bone:: 
metaphyseal
Periosteal Reaction: 
absent
Position within Bone: 
central
Tumor Behavior: 
active
Tumor Density: 
mixed