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Carcinosarcoma of the uterus: MR findings

✍ Scribed by Yumiko O. Tanaka; Hajime Tsunoda; Rie Minami; Hiroyuki Yoshikawa; Manabu Minami

Publisher: John Wiley and Sons
Year: 2008
Tongue: English
Weight: 284 KB
Volume: 28
Category: Article
ISSN: 1053-1807
DOI: 10.1002/jmri.21469

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

Purpose

To clarify the imaging characteristics of carcinosarcomas, which are the most common malignant mixed epithelial and mesenchymal tumors (MEMTs) of the uterus.

Materials and Methods

We retrospectively reviewed MR findings of 17 histopathologically confirmed cases with carcinosarcomas, including the size, growth pattern, signal intensity, contrast enhancement, and extrauterine spread in each case.

Results

The maximum tumor diameter was 11–165 mm (mean 88 mm). Nine cases (53%) showed exophytic with a stalk and eight cases (47%) showed broad‐based exophytic growth. None of them showed invasive growth. Fourteen cases (82%) were isointense and three cases (18%) were hyperintense to myometrium on T1‐weighted images (T1WI). An extremely high intensity area suggesting intratumoral hemorrhage was seen in only two cases. In 15 cases (88%), more than half of the tumor showed higher signal intensity than the outer myometrium on T2WI. Eight of the 16 cases (50%) had an unenhanced area, whereas 13 cases (81%) had a strongly enhanced area. Extrauterine extension was observed in only two cases (12%) at initial presentation.

Conclusion

Uterine carcinosarcomas reveal a spectrum of imaging findings with a high signal on T2WI, with a prolonged intense enhancement being the most common imaging feature. J. Magn. Reson. Imaging 2008;28:434–439. © 2008 Wiley‐Liss, Inc.

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