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Follicular Cyst

See Also
1. Adnexal Mass
2. Ovarian Mass
Background
1. Seen early in pregnancy and resolves by mid-pregnancy
2. Result from failed Ovulation
Symptoms
1. Asymptomatic in many cases
2. Acute Pelvic Pain occurs in Hemorrhagic Ovarian Cyst
Radiology: Ultrasound findings
1. Size: 3-8 cm in diameter
2. Thin-walled, anechoic cyst
3. Round or oval
Course
1. Immature follicle contains unresorbed fluid
2. With Ovulation, cyst-lining granulosa cells luteinize
3. Follicular cyst transitions to corpus luteum
4. Corpus luteum grows >2.5 cm, forms Corpus Luteal Cyst
References
1. Webb (2004) Radiol Clin North Am 42(2):329

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This page was written by Scott Moses, MD. This page was last revised before 5/10/08, prior to consistent tracking of revision date. This page was last published on 6/1/2008. Please send comments and questions to the editor. Contact information may be found on the page About the Family Practice Notebook. These pages are best viewed with Microsoft Internet Explorer 6.0.