Definition of "Follicular cyst"

Last modified: 2 days



Follicular cyst [of ovary] occurs when ovulation doesn't occur, and a follicle doesn't rupture or release its egg, but instead grows until it becomes a cyst, or when a mature follicle involutes (collapses on itself).

Patient information

Follicular cyst is a cyst of a follicle, I gather. What's that?
Cyst is an abnormal cavity containing fluid. Ovarian follicles are born with 400k of them, each with th epotential to release an egg at ovulation.

Pathophysiology
  • It usually forms during ovulation, and can grow to about 7cm in diameter
  • It is thin-walled, lined by 1+ layers of granulosa cell, and filled with clear fluid
Sx
  • Its rupture can create sharp, severe pain on the side of the ovary on which the cyst appears. This sharp pain (sometimes called mittelschmerz) occurs in the middle of the menstrual cycle, durin govulation
  • Usually (75%) produce no Sx
Dx
  • U/S is used to document the follicular cyst
  • Pelvic exam, can aid the Dx if the cyst is large enoug hto be seen
Prognosis
  • Usually disappears by themselves within a few months
Epidemiology
  • Most common type of ovarian cyst

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Definition of Follicular cyst | Autoprac


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