Cumulus oophorus

Case contributed by Matt A. Morgan
Diagnosis almost certain

Presentation

Irregular prolonged vaginal bleeding for one month.

Patient Data

Age: 25 years
Gender: Female
ultrasound

Dominant ovarian follicle with multiple smaller peripheral cystic structures, compatible with cumulus oophorus.

Case Discussion

A cumulus oophorus is a radiological normal variant in the ovaries. They may occasionally be seen during a pelvic ultrasound on a premenopausal woman, and should not be confused with a pathological finding.

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