False-Normal Appearance of the Endometrium on Conventional Transvaginal Sonography
Comparison with Saline Hysterosonography
Sherelle Laifer-Narin1,
Nagesh Ragavendra1,
Evelyn K. Parmenter1 and
Edward G. Grant1,2
1
Department of Radiological Health Sciences, UCLA School of Medicine, 10833
LeConte Ave., Los Angeles, CA 90095.
2
Present address: Department of Radiology, West Los Angeles Veterans
Administration Medical Center, 11301 Wilshire Blvd., Los Angeles, CA
90073.

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Fig. 1A. Endometrial polyp in 55-year-old woman on hormone replacement
therapy. Sagittal sonogram of uterus shows normal full wall endometrial
thickness (cursors) of 5 mm.
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Fig. 1B. Endometrial polyp in 55-year-old woman on hormone replacement
therapy. Sonogram obtained after saline infusion shows homogenous echogenic
mass (arrows) in endometrial canal.
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Fig. 2A. Endometrial polyp in 34-year-old woman. Sagittal sonogram of
uterus shows normal-appearing endometrium (straight arrows) measuring
8 mm and posterior uterine leiomyoma (curved arrows).
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Fig. 2B. Endometrial polyp in 34-year-old woman. Sonogram obtained
after saline infusion shows homogeneous echogenic mass (arrows) in
endometrial cavity, and no submucosal involvement by posterior uterine
leiomyoma is present.
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Fig. 3A. Endometrial polyp in 36-year-old woman with retroverted
uterus. Sagittal sonogram of uterus shows distal endometrium
(cursors) to be normal in appearance measuring 4.5 mm. Note large
intramural fibroid (arrows) with possibility of submucosal
extension.
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Fig. 3B. Endometrial polyp in 36-year-old woman with retroverted
uterus. Sagittal sonogram of retroverted uterus after saline infusion shows
homogeneous echogenic mass (arrows) in fundal portion of uterine
cavity.
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Fig. 3C. Endometrial polyp in 36-year-old woman with retroverted
uterus. Sagittal sonogram obtained after withdrawal of hysterosonogram
catheter shows no submucosal involvement by large intramural leiomyoma.
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Fig. 4A. Endometrial polyp and submucosal leiomyoma in 43-year-old
woman. Sagittal sonogram of uterus shows normal-appearing endometrium
(cursors) measuring 4.4 mm and slight heterogeneity of posterior
myometrium.
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Fig. 4B. Endometrial polyp and submucosal leiomyoma in 43-year-old
woman. Sagittal sonogram obtained after saline infusion shows small round
echogenic mass (arrows) identified in endometrial cavity, consistent
with polyp.
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Fig. 4C. Endometrial polyp and submucosal leiomyoma in 43-year-old
woman. Sagittal sonogram also shows submucosal leiomyomas (arrows)
involving posterior endometrial wall and fundal uterine cavity.
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Copyright © 2002 by the American Roentgen Ray Society.