Abdominal Wall Hernias
Cross-Sectional Imaging Signs of Incarceration Determined with Sonography
Thomas Rettenbacher1,
Alois Hollerweger2,
Peter Macheiner2,
Norbert Gritzmann2,
Thaddeus Gotwald1,
Robert Frass3 and
Barbara Schneider4
1
Department of Radiology II, University Hospital Innsbruck, Anichstr. 35, 6020
Innsbruck, Austria.
2
Department of Radiology, Hospital Barmherzige Brueder, Kajetanerplatz 1, 5010
Salzburg, Austria.
3
Department of Surgery, Hospital Barmherzige Brueder, 5010 Salzburg,
Austria.
4
Institute of Medical Statistics, University of Vienna, Schwarzspanierstr. 17,
1090 Wien, Austria.

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Fig. 1. 49-year-old man with nonincarcerated left inguinal hernia.
Longitudinal sonogram shows fatty tissue (short arrows) and
gas-filled bowel loop (curved arrows). Note reverberation artifacts
behind gas surface (long straight arrows).
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Fig. 2. 37-year-old woman with incarcerated umbilical hernia.
Longitudinal sonogram shows hernia containing fatty tissue (long
arrows) and considerable amount of septate collection of free fluid
(short arrows).
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Fig. 3. 87-year-old woman with incarcerated right femoral hernia.
Longitudinal sonogram shows fluid-filled small-bowel loop with moderate wall
thickening (long arrows) and small amount of free fluid in hernia
(short arrows). Patient suffered from vomiting and diffuse abdominal
pain. Incarcerated hernia was clinically not suspected. Surgery confirmed
sonographic findings.
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Fig. 4A. 56-year-old man with incarcerated right inguinal hernia.
Longitudinal (A) and transverse (B) sonograms show dilated,
fluid-filled small-bowel loop (long arrows) and considerable amount
of free fluid in hernia (short arrows).
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Fig. 4B. 56-year-old man with incarcerated right inguinal hernia.
Longitudinal (A) and transverse (B) sonograms show dilated,
fluid-filled small-bowel loop (long arrows) and considerable amount
of free fluid in hernia (short arrows).
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Fig. 5. 50-year-old man with nonincarcerated right inguinal hernia.
Longitudinal sonogram shows fatty tissue (short arrows) and small
amount of free fluid (long arrows).
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Copyright © 2001 by the American Roentgen Ray Society.