Reason: Femur diaphyseal Lesion (CA) vs. Stress Fx History: Pain No bone marrow signal abnormalities identified to suggest stress reaction or stress fracture. No discrete fracture line is identified. There is a small amount of fluid within the right hip which is not necessarily of any clinical significance. The imaged musculature of the right thigh is normal in appearance. There is a small amount of fluid within the right knee without evidence of a large effusion. Although this examination was not protocoled for detailed evaluation of the knee, there is apparent partial-thickness articular cartilage degeneration and along the medial facet of the patella. No enhancing mass lesions are identified on postcontrast sequences. There is mild intermediate signal intensity within the common tendon of origin of the long head of the biceps femoris and semitendinosus of the hamstring tendons indicating a mild tendinosis (image 18; series 12). No fluid filled tear is evident. There is intermediate signal abnormality within the anterior superior acetabular labrum suggesting degeneration within the limitations of this nondedicated non arthrogram study. There is mild peritrochanteric inflammation bilaterally which is of doubtful current clinical significance. On the large field-of-view images, there is a small amount of fluid within the left hip without evidence of an effusion.
No evidence of stress reaction/fracture or metastases. Mild tendinosis of the hamstring tendons at their origin as described above.