Cystic degeneration of a leiomyoma

Cystic degeneration is an uncommon type of degeneration that a uterine leiomyoma (fibroid) can undergo.

 This type of degeneration is thought to represent ~4% of all types of uterine leiomyoma degeneration.

When the leiomyoma increases in size, the vascular supply to it becomes inadequate and leads to different types of degeneration: hyaline, cystic, myxoid, or red degenerationDystrophic calcification may also occur. Hyalinization is the commonest type of degeneration. Cystic degeneration is an extreme sequel of edema.

May show a hypoechoic or heterogeneous uterine mass with cystic areas.

Fibroids with this type of degeneration may show cystic areas with portions of high T2 signal on MRI 1

Article information

rID: 18039
System: Gynaecology
Synonyms or Alternate Spellings:
  • Cystic degeneration of fibroids
  • Cystic degeneration of uterine leiomyomas
  • Cystic degeneration of a uterine leiomyoma
  • Cystic degeneration of a fibroid

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Cases and figures

  • Case 1: ultrasound
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  • Case 1: CT
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  • Case 2
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