Abstract
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Define a Morel-Lavallée lesion.
Identify the common locations for Morel-Lavallée lesions.
Recognize the sonographic appearance of acute versus chronic Morel-Lavallée lesions.
What is a Morel-Lavallée lesion? A. Serous fluid collection behind the knee B. Bursitis of the trochanteric area of the hip C. Soft tissue hematoma D. A traumatic soft tissue shearing injury
Where is the most common location for a Morel-Lavallée lesion? A. Lower back B. Hip C. Upper extremity D. Knee
How often are Morel-Lavallée lesions misdiagnosed? A. 33% of the time B. 44% of the time C. 52% of the time D. 60% of the time
Which characteristic differentiates a Morel-Lavallée lesion from a hematoma? A. It contains echogenic fat globules B. The presence of calcifications C. It has irregular borders D. It is located in a joint space
Which characteristic suggests a chronic Morel-Lavallée lesion? A. Fat lobules B. No internal color Doppler C. Smooth capsular margins D. Heterogeneous echotexture
Footnotes
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