MR imaging findings of uterine endometrial stromal sarcoma: Differentiation from endometrial carcinoma

M. Ueda, M. Otsuka, M. Hatakenaka, S. Sakai, M. Ono, K. Yoshimitsu, H. Honda, Y. Torii

    Research output: Contribution to journalArticlepeer-review

    60 Citations (Scopus)

    Abstract

    Endometrial stromal sarcoma (ESS) is a rare malignant neoplasm of the uterus. We retrospectively analyzed pelvic MR imaging in 8 cases of ESS to determine the characteristic MR findings of ESS. Magnetic resonance images of 8 cases of ESS were evaluated for findings including the size, margin of the tumor, nodular lesions at the tumor margin, intramyometrial wormlike nodular extension, multiple nodular mass formation, hemorrhage, and necrosis in the tumor. The degree of contrast enhancement was also analyzed. The MR imaging findings of 21 consecutive cases of endometrial carcinoma (EC) were also evaluated and compared with those of ESS. The mean and the standard deviation of the maximum diameter of ESS and EC were 8.80 ± 4.99 and 3.93 ± 2.47 cm, respectively. Increased enhancement in at least a part of the tumor was observed in five of the six analyzed ESS cases and in 2 of 12 analyzed EC cases. The irregular margin, nodular lesions at the margin, intramyometrial nodular extension, and multiple nodular mass formation were more frequently seen in cases of ESS than in cases of EC. Magnetic resonance imaging can play a role in both diagnosing ESS as well as in differentiating ESS from EC.

    Original languageEnglish
    Pages (from-to)28-33
    Number of pages6
    JournalEuropean Radiology
    Volume11
    Issue number1
    DOIs
    Publication statusPublished - 2001

    All Science Journal Classification (ASJC) codes

    • Radiology Nuclear Medicine and imaging

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