A thyroid cyst is a type of thyroid nodule filled or partially filled with fluid, according to Cleveland Clinic. Cysts form inside the thyroid gland. More »

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The underlying cause of a growth in thyroid tissue, the source of thyroid nodules, of which a thyroid cyst is a variety, is unknown, explains Cleveland Clinic. However, degenerating thyroid adenomas are the most common c... More »

Most of the time, a person only knows if there is a thyroid nodule or cyst when a doctor discovers it while performing a routine exam, according to Mayo Clinic. However, some thyroid nodules and cysts may become large en... More »

The underlying cause of a growth in thyroid tissue, the source of thyroid nodules, of which a thyroid cyst is a variety, is unknown, explains Cleveland Clinic. However, degenerating thyroid adenomas are the most common c... More »

The size of a pancreatic cyst can indicate whether physicians should treat it by draining the fluid, notes the Cleveland Clinic. Typically, pancreatic cysts are drained if they are larger than 6 centimeters. The size of ... More »

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The difference between a thyroid cystic mass, also know as a thyroid cyst, and complex thyroid nodules is that thyroid cysts are liquid-filled sacs, while nodules can be solid lumps. Cysts and nodules do not necessarily ... More »

A thyroid mass, also termed a thyroid nodule, is a fluid-filled lump that forms in the thyroid, according to Mayo Clinic. The thyroid gland is located at the base of the neck above the breastbone. More »

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