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Encyclopedia > Thyroid nodule
Thyroid nodule
Classifications and external resources
ICD-10 E04.1, E05.1
ICD-9 241.0, 242.1, 242.4

A thyroid nodule is a swelling that develops in the thyroid gland. It can be due to growth of thyroid cells or a collection of fluid known as a cyst. Thyroid nodules are relatively common. They can be felt in approximately 6% of women and 2% of men. Sensitive testing by ultrasound can reveal small nodules in as many as one third of all adults. The International Statistical Classification of Diseases and Related Health Problems (commonly known by the abbreviation ICD) is a detailed description of known diseases and injuries. ... The following codes are used with International Statistical Classification of Diseases and Related Health Problems. ... The International Statistical Classification of Diseases and Related Health Problems (commonly known by the abbreviation ICD) is a detailed description of known diseases and injuries. ... The following is a list of codes for International Statistical Classification of Diseases and Related Health Problems. ... A cyst is a closed sac having a distinct membrane and developing abnormally in a cavity or structure of the body. ... A fetus in its mothers womb, viewed in a sonogram (brightness scan) A fetus, aged 29 weeks, in a 3D ultrasound Ultrasound is sound with a frequency greater than the upper limit of human hearing, this limit being approximately 20 kilohertz (20,000 hertz). ...


Thyroid nodules can cause problems for patients in three ways:

  • They can become large enough to press on nearby structures in the neck, such as the swallowing tube (esophagus) and windpipe (trachea).

Most thyroid nodules are benign growths that may increase in size but do not spread beyond the thyroid gland. About 5% of nodules turn out to be malignant growths, which are cancers that can spread beyond the thyroid gland to other parts of the neck and other areas of the body. One of the most important questions that should be answered when a thyroid nodule is identified is whether it may represent a form of thyroid cancer. The esophagus (also spelled oesophagus/Å“sophagus), or gullet is an organ in vertebrates which consists of a muscular tube through which food passes from the mouth area to the stomach. ... Windpipe redirects here. ... Hyperthyroidism (or overactive thyroid gland) is the clinical syndrome caused by an excess of circulating free thyroxine (T4) or free triiodothyronine (T3), or both. ... Cancer is a class of diseases or disorders characterized by uncontrolled division of cells and the ability of these cells to invade other tissues, either by direct growth into adjacent tissue through invasion or by implantation into distant sites by metastasis. ...


See also

// Solitary thyroid nodule Risks for cancer Solitary thyroid nodules are worrisome in patients who have had prior radiation to the head and neck, and in those who have a family history of thyroid cancer. ...

External links


  Results from FactBites:
 
Thyroid - Wikipedia, the free encyclopedia (2077 words)
The thyroid is one of the larger endocrine glands - 10-20 grams in adults- and butterfly-shaped: the wings correspond to the lobes and the body to the isthmus of the thyroid.
The superior thyroid artery is the first branch of the external carotid, and supplies mostly the upper half of the thyroid gland, while the inferior thyroid artery is the major branch of the thyrocervical trunk, which comes off of the subclavian artery.
A nodule or lobe of the thyroid is sometimes removed for biopsy or for the presence of an autonomously functioning adenoma causing hyperthyroidism.
Thyroid cancer - Wikipedia, the free encyclopedia (3133 words)
Thyroid cancer is cancer of the thyroid gland.
As the thyroid concentrates iodine, radioactive iodine is a commonly used modality in thyroid carcinomas.
"Usefulness of fine-needle aspiration in the diagnosis of thyroid carcinoma".
  More results at FactBites »

 
 

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