Polycystic Ovary Syndrome (PCOS)

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General Considerations
  • Polycystic ovary syndrome (PCOS), also known as, Stein-Leventhal syndrome, includes
    • Polycystic ovaries
    • Obesity
    • Hirsutism
    • Infertility

Imaging
  • Ultrasound is the imaging modality of choice 
  • Polycystic ovaries are enlarged and rounder than normal with increased stromal echogenicity
  • There are numerous small cysts, less than 5mm, that line up on the periphery, in a “string-of-pearls” appearance
  • Ultrasonographic criteria for establishing the diagnosis of PCOS are 10 or more cysts that are 2-8 mm in diameter and are peripherally arranged around an echodense stroma
Source:Learningradiology.com

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