Abdominal Wall Endometriosis: Clinical Presentation and Imaging Features with Emphasis on Sonography
Jan-Hein J. Hensen1,
Adriaan C. Van Breda Vriesman2 and
Julien B. C. M. Puylaert1
1 Department of Radiology, MCH Westeinde Hospital, The Hague, Lijnbaan 32, PO
Box 432, NL-2501 CK, The Netherlands.
2 Department of Radiology, Rijnland Hospital, Leiderdorp, NL-2350 CC, The
Netherlands.

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Fig. 1 Microscopic appearance of abdominal wall endometriosis in
29-year-old woman. Medium-power photomicrograph shows endometriotic glands (E)
next to muscular tissue of abdominal wall (M). (H and E, original
magnification, x32)
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Fig. 2A 27-year-old woman with abdominal wall endometriosis. Transverse
sonogram shows hypoechoic solid 3-cm mass with scattered internal echoes. Mass
is confined to rectus abdominis sheath.
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Fig. 2B 27-year-old woman with abdominal wall endometriosis. Transverse
power Doppler sonography reveals internal vascularity within lesion.
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Fig. 3A 41-year-old woman with abdominal wall endometriosis.
Extended-field-of-view sonogram in sagittal plane reveals heterogeneous
hypoechoic solid mass infiltrating in both muscular abdominal wall and
subcutaneous fat.
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Fig. 3B 41-year-old woman with abdominal wall endometriosis. Power Doppler
sonogram shows internal vascularity.
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Fig. 3C 41-year-old woman with abdominal wall endometriosis. Unenhanced CT
shows lesion (arrowheads) in right rectus sheath to be isodense to
muscular tissue.
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Fig. 3D 41-year-old woman with abdominal wall endometriosis.
Contrast-enhanced CT shows slight enhancement of lesion
(arrowheads).
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Fig. 4A 43-year-old woman with abdominal wall endometriosis. Axial
T1-weighted spin-echo MR image shows lesion (arrowheads) in
subcutaneous fat of right lower abdominal wall. Lesion is isointense to
muscle.
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Fig. 4B 43-year-old woman with abdominal wall endometriosis. Axial
T2-weighted fat-saturated fast spin-echo MR image depicts lesion
(arrowheads) as heterogeneous high-signal-intensity mass.
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Fig. 4C 43-year-old woman with abdominal wall endometriosis. Axial
T1-weighted fat-saturated spin-echo MR image after injection of contrast
medium shows strong enhancement of lesion (arrowheads).
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Copyright © 2006 by the American Roentgen Ray Society.