Ultrasound is the most rapidly developing technique in musculoskeletal imaging. Continuing technological advances have broadened its application, such that it may now replace MR imaging in many specific clinical settings. The main drawbacks of musculoskeletal ultrasound remain a strong operator dependence and the lack of standardized scanning protocols. To overcome this limitation, the European...

Musculoskeletal ultrasound has gained a significant place in the diagnosis and management of various musculoskeletal disorders due to its several advantages (being convenient, inexpensive, non-invasive, repeatable, providing dynamic imaging and not requiring any exposure to radiation). It has also become a valuable tool in the daily clinical practice of physical and rehabilitation medicine phys...

primary musculoskeletal lymphoma presenting as monoarthritis is very rare. less than 20 cases have been reported. the ultrasound appearances have not been reported to date. we present a young female of primary knee lymphoma with synovial involvement presenting as monoarthritis. the ultrasound and mri features are discussed.

CONTEXT Musculoskeletal ultrasound (US) research is expanding due to increased clinical utility of sonography. STUDY DESIGN Clinical review. LEVEL OF EVIDENCE Level 4. RESULTS Ultrasound is widely applied in musculoskeletal imaging and sports medicine. The real-time capabilities and favorable cost profile of US make it ideal for use in diagnosis of musculoskeletal conditions. The enthusia...