Benign Cysts

by Carlo Raj, MD

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    00:01 In this section of female reproductive pathology, we’ll take a look at the ovaries in greater detail.

    00:09 We’ll begin by looking at benign cyst.

    00:11 And as we progress further, then we’ll take a look at what may then happen when the ovaries develop malignancy.

    00:20 With benign cyst, a follicular cyst, multiple.

    00:25 Variable size.

    00:26 Lined by granulosa and theca cells.

    00:28 I want to stop here for one second.

    00:31 Where are you? You’re in the ovary.

    00:34 Inside the ovary of a follicle.

    00:36 And there’s every possibility that these follicles may then develop fluid accumulation.

    00:41 Isn’t that the definition of a cyst? And as far as a female is concerned, she has hundreds of thousands of these follicles that she’s given.

    00:50 And each month of course, one of these follicles is then going to rupture the egg and then out comes the product.

    00:57 There’s a follicular cyst, therefore if it’s a follicle, the two layers anatomically will be the outer layer and that is then called your granulosa.

    01:06 The inner layer of the follicle is called your theca if you remember from physio.

    01:11 If you’re thinking about a chocolate cyst, that was a topic that we had looked at known as endometriosis.

    01:17 And so therefore, there might be ectopic implantation of the endometrium on top of your ovary.

    01:24 And every month when there’s bleeding, there is a chocolate cyst-like appearance and I’ve shown you a picture in endometriosis.

    About the Lecture

    The lecture Benign Cysts by Carlo Raj, MD is from the course Ovarian Diseases.

    Included Quiz Questions

    1. Granulosa and theca cells
    2. Endometrium and myometrium
    3. Giant lymphocytes and smooth muscles
    4. Stratified columnar epithelium
    5. Highly vascularized squamous epithelium
    1. Follicular cysts are accumulations of fluid in preexisting ovarian follicles; a chocolate cyst is the result of ectopic implantation of endometrium in the ovary with an accumulation of blood during the menstrual cycle.
    2. Follicular cysts are caused by viral infections, leading to the development of fluid-filled cavities; chocolate cysts are caused by repeated episodes of PID, leading to an accumulation of necrotic materials in the ovary.
    3. Chocolate cysts are caused by endometriosis and the resulting accumulation of blood during every menstrual cycle; follicular cysts are remnants of chocolate cysts after all the blood has been cleared by the immune system.
    4. Chocolate cysts occur after ovarian infection via an amoeba; follicular cysts occur in the preexisting ovarian follicles.
    5. Follicular cysts are benign, fluid-filled remnants of embryonic ovarian tissue; chocolate cysts occur after the malignant transformation of ectopic endometrium in the ovary.

    Author of lecture Benign Cysts

     Carlo Raj, MD

    Carlo Raj, MD

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