Endometrial stromal tumors
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EndometrialEndometrial stromal sarcoma (ESS) is an uncommon type of uterine sarcoma arising from endometrial stromal cells. It only accounts for ~0.2% of all uterine malignancies and 10% of all uterine sarcomas.
Epidemiology
Half occur in premenopausal women, with most patients presenting in the 5th decade.
Clinical presentation
The symptoms are non specific and include menorrhagia, abdominal pain or a palpable pelvic mass.
Pathology
Historically ESS was divided into high or low grade. However the term ESS is now restricted to describe neoplasms previously classified at low grade. High grade tumours without a stromal component at histology are classified as endometrial sarcomas.
Radiographic features
Pelvic ultrasound
Lesions can be of mixed echotexture 3.
Pelvic MRI
Features reported to be more prevalent in ESS include 1.:
- irregular margin(s)
- nodular lesions at the margin(s)
- intra-myometrial nodular extension
- multiple nodular mass formation
- tumour extension along the vessels orligaments (considered characteristic 5)
Signal features include:
-
T2:
:may show bands of low signal (representing preserved bundles of myometrium) within the areas of myometrial involvement
See also
-<p>E<strong>ndometrial stromal sarcoma (ESS)</strong> is an uncommon type of <a href="/articles/uterine-sarcoma">uterine sarcoma</a> arising from endometrial stromal cells. It only accounts for ~0.2% of all uterine malignancies and 10% of all uterine sarcomas.</p><h4>Epidemiology</h4><p>Half occur in premenopausal women, with most patients presenting in the 5th decade.</p><h4>Clinical presentation</h4><p>The symptoms are non specific and include menorrhagia, abdominal pain or a palpable pelvic mass.</p><h4>Pathology</h4><p>Historically ESS was divided into high or low grade. However the term ESS is now restricted to describe neoplasms previously classified at low grade. High grade tumours without a stromal component at histology are classified as endometrial sarcomas.</p><h4>Radiographic features</h4><h5>Pelvic ultrasound</h5><p>Lesions can be of mixed echotexture <sup>3</sup>.</p><h5>Pelvic MRI</h5><p>Features reported to be more prevalent in ESS include <sup>1</sup>.</p><ul>- +<p><strong>Endometrial stromal sarcoma (ESS)</strong> is an uncommon type of <a href="/articles/uterine-sarcoma">uterine sarcoma</a> arising from endometrial stromal cells. It only accounts for ~0.2% of all uterine malignancies and 10% of all uterine sarcomas.</p><h4>Epidemiology</h4><p>Half occur in premenopausal women, with most patients presenting in the 5th decade.</p><h4>Clinical presentation</h4><p>The symptoms are non specific and include menorrhagia, abdominal pain or a palpable pelvic mass.</p><h4>Pathology</h4><p>Historically ESS was divided into high or low grade. However the term ESS is now restricted to describe neoplasms previously classified at low grade. High grade tumours without a stromal component at histology are classified as endometrial sarcomas.</p><h4>Radiographic features</h4><h5>Pelvic ultrasound</h5><p>Lesions can be of mixed echotexture <sup>3</sup>.</p><h5>Pelvic MRI</h5><p>Features reported to be more prevalent in ESS include <sup>1</sup>:</p><ul>
-</ul><p>Signal features include</p><ul><li>-<strong>T2</strong> : may show bands of low signal (representing preserved bundles of myometrium) within the areas of myometrial involvement </li></ul><h4>See also</h4><ul><li><a href="/articles/malignant-neoplasms-involving-the-uterus">malignant uterine tumours</a></li></ul>- +</ul><p>Signal features include:</p><ul><li>
- +<strong>T2:</strong> may show bands of low signal (representing preserved bundles of myometrium) within the areas of myometrial involvement </li></ul><h4>See also</h4><ul><li><a href="/articles/malignant-neoplasms-involving-the-uterus">malignant uterine tumours</a></li></ul>
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