Multiple atypical polypoid adenomyoma of the uterus

Masahiro Horikawa, Hiroshi Shinmoto, Shigeyoshi Soga, Eisuke Shiomi, Kiguna Sei, Hideyuki Shimazaki, Tatsumi Kaji

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


Atypical polypoid adenomyoma (APA) of the uterus is a rare neoplasm that predominantly occurs in premenopausal woman. It typically appears as a polypoid mass with a mixture of hyperintensity and hypointensity on T2-weighted MRI. We report a case of a 45-year-old woman with multiple APAs (33 and 22 mm). She underwent hysteroscopic resection. The diagnosis of APAs was histologically made by irregularly proliferating atypical endometrial glands that were admixed with a stroma. This is the first case of multiple APAs with radiological findings. It is important to recognize the possible multiplicity of APA for proper diagnosis.

Original languageEnglish (US)
Pages (from-to)606-611
Number of pages6
JournalJapanese Journal of Radiology
Issue number7
StatePublished - Aug 2012
Externally publishedYes


  • APA
  • Atypical polypoid adenomyoma
  • MRI
  • Multiple
  • Ultrasonography

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging


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