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MR imaging findings of unusual leiomyoma and malignant uterine myometrial tumors: what the radiologist should know

Authors
  • Fujii, Shinya1
  • Mukuda, Naoko1
  • Ochiai, Ryoya1
  • Yunaga, Hiroto1
  • Murakami, Atsushi1
  • Gonda, Takuro1
  • Kishimoto, Misato1
  • Yamaji, Daisuke1
  • Ishibashi, Mana1
  • 1 Tottori University, 36-1, Nishi-cho, Yonago, Tottori, 683-8504, Japan , Yonago (Japan)
Type
Published Article
Journal
Japanese Journal of Radiology
Publisher
Springer Singapore
Publication Date
Jan 31, 2021
Volume
39
Issue
6
Pages
527–539
Identifiers
DOI: 10.1007/s11604-021-01096-7
Source
Springer Nature
Keywords
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Abstract

Uterine sarcomas account for less than 1% of gynecological malignancies and 2–5% of all uterine malignancies. Such sarcomas mainly include leiomyosarcoma (LMS) and endometrial stromal sarcoma (ESS). Additionally, inflammatory myofibroblastic tumor (IMT) and endometrial carcinoma arising in adenomyosis can occur as uterine myometrial tumors. Their differentiation from leiomyoma (LM), particularly degenerated LM and the malignant tumors, is challenging, but preoperative diagnosis is very important for the patient’s management. We demonstrate the useful and compulsory findings to differentiate between uterine myometrial malignant tumors and degenerated LM with an unusual appearance.

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