الفهرس 
INTRODUCTION
Gross anatomy of the knee jointOnly 14 pages are availabe for public view
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Abstract
Aim of the work
To evaluate the role of muscuskeletal ultrasonography in assessment of painful knee.
Conclusion
The main strength of knee ultrasound is the assessment of paraarticular soft tissue affection. It is also recognized as a useful imaging technique in interventional radiology.
The specific structures best studied by US include tendons, muscles and ligaments as well as peri-articular soft tissue structure. With experience ultrasound is a time efficient, economical imaging tool for assessment of the knee joint.
MRI is the best diagnostic tool for examination of the internal derangement of the knee. It has excellent soft tissue contrast and less independent of observer variability.
MRI is efficient in diagnosis of soft tissue injuries in and around the knee. It is the only diagnostic tool that can diagnose bone marrow contusion or edema; also it can detect subchondral cysts and occult osteochondral fractures.
To emphasize this study:
1- Plain X-ray is mandatory (AP and lateral views).
2- Ultrasound is a very efficient alternative for imaging of the knee, providing the indications, advantages and limitations are understood.
3- A great spectrum of lesions could be covered by combining plain X-ray with US adding much to the diagnostic accuracy.
4- Mismatched clinical manifestations or equivocal diagnosis by US, MRI is done.