Ultrasound assessment of internal derangement of the knee.

In a prospective double-blind study we investigated internal knee disorders with ultrasound and compared the results with Magnetic Resonance Imaging (MRI) and arthroscopy. The aim was to determine the effectiveness of ultrasound in diagnosing Internal Derangement of the Knee (IDK) and to compare the results with MRI. Over an 18-months period, 81 patients were examined.