Subserosal leiomyoma of the uterus

Changed by Yuranga Weerakkody, 5 Jan 2016
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Sub-serosal uterine leiomyoma is subtype of uterine leiomyoma that often exophytically projects outwards from a sub-serosal location.  While its exact definition may vary, a leiomyoma is often called sub-serosal if >50% of the fibroid protrudes out of the serosal surface of the uterus 2. They can be either sessile or pedunculated.

Clinical presentation

They are usually asymptomatic although some pedunculated subserosal leiomyomas may undergo torsion, which results in infarction accompanied by pain 1.

Radiographic features

MRI

Sub-serosal leiomyomas may demonstrate the bridging vessel sign, which represent flow voids in feeding branches of the uterine arteries3.

  • -<p><strong>Sub-serosal uterine leiomyoma</strong> is subtype of <a href="/articles/uterine-leiomyoma">uterine leiomyoma</a> that often exophytically projects outwards from a sub-serosal location.  While its exact definition may vary, a leiomyoma is often called sub-serosal if &gt;50% of the fibroid protrudes out of the serosal surface of the uterus <sup>2</sup>. They can be either sessile or pedunculated.</p><h4>Clinical presentation</h4><p>They are usually asymptomatic although some pedunculated subserosal leiomyomas may undergo torsion, which results in infarction accompanied by pain <sup>1</sup>.</p><p> </p><h4>Radiographic features</h4><h5>MRI</h5><p>Sub-serosal leiomyomas may demonstrate the <a href="/articles/bridging-vessel-sign">bridging vessel sign</a>, which represent flow voids in feeding branches of the uterine arteries<sup>3</sup>.</p>
  • +<p><strong>Sub-serosal uterine leiomyoma</strong> is subtype of <a href="/articles/uterine-leiomyoma">uterine leiomyoma</a> that often exophytically projects outwards from a sub-serosal location.  While its exact definition may vary, a leiomyoma is often called sub-serosal if &gt;50% of the fibroid protrudes out of the serosal surface of the uterus <sup>2</sup>. They can be either sessile or pedunculated.</p><h4>Clinical presentation</h4><p>They are usually asymptomatic although some pedunculated subserosal leiomyomas may undergo torsion, which results in infarction accompanied by pain <sup>1</sup>.</p><h4>Radiographic features</h4><h5>MRI</h5><p>Sub-serosal leiomyomas may demonstrate the <a href="/articles/bridging-vessel-sign">bridging vessel sign</a>, which represent flow voids in feeding branches of the uterine arteries<sup>3</sup>.</p>
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Image 2 MRI (T2) ( update )

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Case 2 -: with concurrent bicornuate uterus

Image 7 Ultrasound ( update )

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Case 1 -: large subserosal uterine fibroid

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