Archives of Gynecology and Obstetrics

, Volume 291, Issue 2, pp 357–361 | Cite as

Cotyledonoid dissecting leiomyoma of the uterus: report of two cases

  • Harumi SaekiEmail author
  • Chikako Suzuki
  • Shigetaka Yamasaki
  • Akane Hashizume
  • Hiroshi Izumi
  • Fujihiko Suzuki
  • Kazuhisa Ishi
  • Michio Nojima
  • Okio Hino
General Gynecology



Cotyledonoid dissecting leiomyoma (Sternberg tumor) is a rare variant of the uterine smooth muscle tumor. Although this tumor is a benign tumor clinically and pathologically, the appearance and growth pattern is unusual, so it may be misdiagnosed as malignancy.

Case reports

We report two cases of cotyledonoid dissecting leiomyoma of the uterus that occurred in two 44- and 31-year-old women, respectively. Total hysterectomy and bilateral salpingo-oophorectomy were performed in one of the patients, and myomectomy was done in the other one. Macroscopically, both tumors were grape-like exophytic masses resembling placental tissue. The patients were well after surgery, and one patient gave birth. To our knowledge, this is the first case report of a successful delivery after myomectomy of this tumor.


To prevent aggressive surgery it is important to recognize that this tumor is a benign and unusual appearing variant of leiomyoma. A fertility-sparing surgical procedure should be considered if the patient wishes to preserve her fertility.


Cotyledonoid dissecting leiomyoma Uterus Myomectomy Pregnancy Case report 


Conflict of interest

The authors declare that they have no conflict of interest.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Harumi Saeki
    • 1
    • 2
    • 3
    Email author
  • Chikako Suzuki
    • 4
  • Shigetaka Yamasaki
    • 3
  • Akane Hashizume
    • 2
  • Hiroshi Izumi
    • 2
  • Fujihiko Suzuki
    • 2
  • Kazuhisa Ishi
    • 2
  • Michio Nojima
    • 4
  • Okio Hino
    • 1
  1. 1.School of Medicine, Department of Pathology and OncologyJuntendo UniversityBunkyo-kuJapan
  2. 2.Department of Diagnostic PathologyJuntendo University Urayasu HospitalUrayasuJapan
  3. 3.Department of Diagnostic PathologyTokyo Rinkai HospitalEdogawa-kuJapan
  4. 4.Department of Obstetrics and GynecologyJuntendo University Urayasu HospitalUrayasuJapan

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