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Case of the Month

May 2012

Patient Data: Male patient 19 years old

Clinical Info: Persistent swelling in the gluteal muscle after a ski accident a few months ago. Hematoma?


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Large hematoma in the gluteal muscle with a large central anechoic part that could be mistaken for a liquefied hematoma


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Another image of the same structure


42960-2667766_20111221__0017.swf There is an abnormal pulsation in the mass


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With the color doppler on, the lesion shows flow


42961-2667766_20111221__0016.swf The anechoic mass shows flow


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The lesion shows the typical yin and yang flow pattern characteristic for false aneurysms


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The lesion shows continuity with a small artery


42965-2667766_20111221__0019.swf videoclip


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An angiogram was performed


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The catheter was inserted just before the neck of the aneurysm


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Coils were placed to obstruct the feeding vessel


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Detail image of the coils


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After the procedure the aneurysm no longer fills with contrast

Part of the mass was a hematoma but the anechoic part was not a hematoma but a large false aneurysm

For more examples of false aneurysms see

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