Rupture of corpus luteal cyst

Ruptured corpus luteal cyst is one of the commonest causes of spontaneous hemoperitoneum in a reproductive age group female.

Corpus luteum is a thick walled cystic structure that is prone to internal haemorrhage, and sometimes peritoneal rupture. 

  • asymptomatic
  • severe abdominal pain
  • peritoneal irritation
  • delayed menstrual cycle may be there if concomitant with pregnancy
Ultrasound
  • complex adnexal cyst
  • rim of increased echogenicity surrounding a cystic component
  • free fluid with areas of increased echogenicity representing hemoperitoneum
  • on Doppler, peripheral vascularity may be seen
  • at times the entire rupture and hemorrhage form an organised haematoma and a complex avasuclar adnexal mass
CT
  • well circumscribed cystic lesion
  • thick walled cyst (<3mm) with inhomogenous contrast enhancement
  • high attenuation component (45-100 HU)
  •  “fluid-fluid hematocrit” level
  • hemoperitoneum with free fluid near the source of bleeding having a high attenuation value ( 60-65 HU), “sentinel clot” and further the attenuation of free fluid reduces

Possible considerations include

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Article Information

rID: 35715
Tag: refs
Synonyms or Alternate Spellings:
  • Corpus luteal cyst rupture
  • Ruptured corpus luteal cyst
  • Ruptured corpus luteum

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