Which tumor of the ovary is composed of thyroid tissue?

Struma ovarii is a rare ovarian tumor that was first described in 1899. It is defined by the presence of thyroid tissue comprising more than 50% of the overall mass. It most commonly occurs as part of a teratoma, but may occasionally be encountered with serous or mucinous cystadenomas.

Is there a connection between thyroid and ovarian cancer?

Ovarian cancer is known to metastasize to the thyroid gland. Despite an incidence of ovarian metastasis to the thyroid of 3–15%, clinical hypothyroidism resulting from such metastasis has not yet been reported.

Can ovarian cyst cause thyroid problems?

Ovarian cysts are a common cause for gynecological surgery. However, some cysts are a direct result of endocrine disorders and do not require surgery. This report describes an unusual case in which persistent ovarian cysts are associated with primary hypothyroidism in a young woman.

Can a biopsy be done on an ovarian cyst?

The only way to determine for certain if a growth is cancer is to remove a piece of it and examine it in the lab. This procedure is called a biopsy. For ovarian cancer, the biopsy is most commonly done by removing the tumor during surgery.

Where else can thyroid tissue be found?

Common sites of ectopic thyroid tissue in the head and neck include the base of the tongue, submandibular or sublingual sites (between the geniohyoid and mylohyoid muscles), and prelaryngeal sites (in front of the larynx and above the hyoid bone).

Can thyroid problems cause female problems?

Thyroid disorders can cause puberty and menstruation to occur abnormally early or late. In addition, abnormally high or low levels of thyroid hormone can cause very light or very heavy menstrual periods, very irregular menstrual periods, or absent menstrual periods (a condition called amenorrhea).

Can your thyroid affect your ovaries?

Low levels of thyroid hormone can interfere with the release of an egg from your ovary (ovulation), which impairs fertility. In addition, some of the underlying causes of hypothyroidism — such as certain autoimmune or pituitary disorders — may impair fertility.

How long does it take to get biopsy results from ovarian cyst?

Recovery from an ovarian biopsy Your doctor will follow up with your test results within a week to 10 days after the procedure.

What is thyroid tissue?

The thyroid tissue is made up of 2 types of cells: follicular cells and parafollicular cells. Most of the thyroid tissue consists of follicles lined by the follicular cells, which secrete the iodine-containing thyroid hormones.

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