Hypodense shadows in the lower femur may be a sign of a lesion.
The femur is commonly known as the thigh bone, is the human body is relatively strong as well as thick long bones, the lower part of the femur and the knee joint has a close relationship, is an important part of the knee joint, general low density refers to the low density in the X-ray or CT, normal people’s bones in the X-ray or CT, show that the general is uniform, if there is a low density may be the emergence of lesions. For example: inflammation, tumor, etc.
When the lower femur inflammation, tumor, etc., inflammatory cells will be gathered in large numbers around the lower femur, which will cause destruction of the bone cortex, resulting in uneven density of the bone, in the X-ray or CT presenting the manifestation of low density, patients are often accompanied by fever, pain and other manifestations.
Low-density shadow of the lower femur may be a lesion, which needs to be diagnosed by the clinician after reading the film and other clinical examinations.