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Endometrial stromal sarcoma presenting as prevesical mass mimicking urachal tumor.

Jung SI, Shin SS, Choi C, Hwang EC, Kim SO, Kang TW - J. Korean Med. Sci. (2009)

Bottom Line: Since malignant transformation of urachal remnants was possible, the mass was suspected to be a urachal tumor.Extraction of the mass was performed, and the histopathologic diagnosis was low-grade ESS.In summary, prevesical tumor is rare but in patients with endometriosis, we suggest endometriosis and its possible malignant changes should be taken into account in the differential diagnosis of prevesical mass.

View Article: PubMed Central - PubMed

Affiliation: Department of Urology, Chonnam National University Medical School, Gwangju, Korea.

ABSTRACT
Endometrial stromal sarcoma (ESS) is a mesenchymal neoplasm that usually occurs as a primary tumor of the uterine corpus, but rarely arises in other sites, such as the ovary, pelvic cavity, mesentery, omentum and intestine. Herein, we present a rare case of low-grade ESS presented as prevesical mass. A 60-yr-old woman who had undergone total hysterectomy for endometriosis eleven years ago was presented with incidentally detected prevesical pelvic mass. Since malignant transformation of urachal remnants was possible, the mass was suspected to be a urachal tumor. Extraction of the mass was performed, and the histopathologic diagnosis was low-grade ESS. In summary, prevesical tumor is rare but in patients with endometriosis, we suggest endometriosis and its possible malignant changes should be taken into account in the differential diagnosis of prevesical mass.

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Imaging studies. (A) Ultrasonograhy shows heterogeneous hyperechoic pelvic mass. (B) Magnetic resonance imaging sagittal T2-weighted image shows well-defined hyperintense mass (arrow) in prevesical space and sagittal T1-weighted gadolinium-enhanced image shows homogeneous enhancement of the mass (arrow).
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Figure 1: Imaging studies. (A) Ultrasonograhy shows heterogeneous hyperechoic pelvic mass. (B) Magnetic resonance imaging sagittal T2-weighted image shows well-defined hyperintense mass (arrow) in prevesical space and sagittal T1-weighted gadolinium-enhanced image shows homogeneous enhancement of the mass (arrow).

Mentions: A 60-yr-old woman presented with incidentally detected prevesical mass. Her history was remarkable in that she had a total hysterectomy by lower median abdominal incision for endometriosis 11 yr ago. The family history was unremarkable. Physical examination showed no palpable abdominal mass. Routine blood tests, blood chemistry and urine test revealed no abnormal findings. In the previous ultrasonographic examination, heterogeneous hyperechoic pelvic mass was incidentally detected, and she was transferred to our hospital on the impression of urachal tumor (Fig. 1A).


Endometrial stromal sarcoma presenting as prevesical mass mimicking urachal tumor.

Jung SI, Shin SS, Choi C, Hwang EC, Kim SO, Kang TW - J. Korean Med. Sci. (2009)

Imaging studies. (A) Ultrasonograhy shows heterogeneous hyperechoic pelvic mass. (B) Magnetic resonance imaging sagittal T2-weighted image shows well-defined hyperintense mass (arrow) in prevesical space and sagittal T1-weighted gadolinium-enhanced image shows homogeneous enhancement of the mass (arrow).
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC2698206&req=5

Figure 1: Imaging studies. (A) Ultrasonograhy shows heterogeneous hyperechoic pelvic mass. (B) Magnetic resonance imaging sagittal T2-weighted image shows well-defined hyperintense mass (arrow) in prevesical space and sagittal T1-weighted gadolinium-enhanced image shows homogeneous enhancement of the mass (arrow).
Mentions: A 60-yr-old woman presented with incidentally detected prevesical mass. Her history was remarkable in that she had a total hysterectomy by lower median abdominal incision for endometriosis 11 yr ago. The family history was unremarkable. Physical examination showed no palpable abdominal mass. Routine blood tests, blood chemistry and urine test revealed no abnormal findings. In the previous ultrasonographic examination, heterogeneous hyperechoic pelvic mass was incidentally detected, and she was transferred to our hospital on the impression of urachal tumor (Fig. 1A).

Bottom Line: Since malignant transformation of urachal remnants was possible, the mass was suspected to be a urachal tumor.Extraction of the mass was performed, and the histopathologic diagnosis was low-grade ESS.In summary, prevesical tumor is rare but in patients with endometriosis, we suggest endometriosis and its possible malignant changes should be taken into account in the differential diagnosis of prevesical mass.

View Article: PubMed Central - PubMed

Affiliation: Department of Urology, Chonnam National University Medical School, Gwangju, Korea.

ABSTRACT
Endometrial stromal sarcoma (ESS) is a mesenchymal neoplasm that usually occurs as a primary tumor of the uterine corpus, but rarely arises in other sites, such as the ovary, pelvic cavity, mesentery, omentum and intestine. Herein, we present a rare case of low-grade ESS presented as prevesical mass. A 60-yr-old woman who had undergone total hysterectomy for endometriosis eleven years ago was presented with incidentally detected prevesical pelvic mass. Since malignant transformation of urachal remnants was possible, the mass was suspected to be a urachal tumor. Extraction of the mass was performed, and the histopathologic diagnosis was low-grade ESS. In summary, prevesical tumor is rare but in patients with endometriosis, we suggest endometriosis and its possible malignant changes should be taken into account in the differential diagnosis of prevesical mass.

Show MeSH
Related in: MedlinePlus