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Symptoms » Thyroid symptoms » Glossary
 

Glossary for Thyroid symptoms

Medical terms related to Thyroid symptoms or mentioned in this section include:

  • $17-$: A rare disorder characterized caused by an enzyme (17-ketosteroid reductase) defect only in the testes which results in a lack of testosterone which is needed during the fetal stage to give males there physical characteristics.
  • $18p minus syndrome$: A rare chromosomal disorder where a portion of chromosome 18 is missing which is characterized by mental and growth deficiencies, drooping upper eyelid and prominent ears. The type and severity of symptoms is determined by the amount of genetic material that is missing.
  • $22q11.2 deletion syndrome$: A rare genetic disorder caused by the absence of a small portion of genetic material. A small section of chromosome 22 is missing at a location called q11.2. Chromosome 22 is one of 23 pairs of chromosomes that exist in humans.
  • ACTH deficiency, isolated: An inherited deficiency of adrenocorticotropic hormone. The condition results from a genetic defect.
  • APECED Syndrome: APECED is a recessively inherited genetic disease characterized by the presence of two of the following three conditions: impaired parathyroid function, yeast infection (candidiasis) and impaired adrenal gland function (Addison's disease). It is an autoimmune disease resulting from a genetic defect. The body's immune system malfunctions and attacks it's own body tissues.
  • Achard-Thiers Syndrome: A rare hormonal disorder that occurs in diabetic postmenopausal women where body hair grows in a masculine manner. Hormonal therapy is used to correct the endocrine imbalance.
  • Adenocarcinoma, Follicular: A type of cancer of the thyroid gland.
  • Adenoma: A tumor derived from the epithelial cells from a gland.
  • Amenorrhea: Absence of menstrual periods.
  • Anorexia Nervosa: A disorder where a distorted sense of body image leads to self-starvation to the point of death in some cases.
  • Anterior pituitary hyperhormonotrophic syndrome: A syndrome characterized by the excessive production of various hormones (gonadotrophic, thyrotrophic, lactotrophic and pancreatrophic hormone).
  • Antithyroid drugs - Teratogenic Agent: There is strong evidence to indicate that the use of Antithyroid drugs during pregnancy may cause a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
  • Ascher syndrome: A rare syndrome characterized by the association of droopy eyelids, double lip and goiter.
  • Ascher's Syndrome:
  • Ataxia - diabetes - goiter - gonadal insufficiency: A rare disorder characterized by diabetes, goiter, insufficient hormone production by the gonads and progressive ataxia.
  • Autoimmune thyroid diseases: Autoimmune diseases of the thyroid gland.
  • Bamforth syndrome: A rare syndrome characterized mainly by the association of an abnormal opening in the roof of the mouth and reduced thyroid functioning.
  • Bangstad syndrome: A rare disorder characterized by diabetes, goiter, insufficient hormone production by the gonads and progressive ataxia.
  • Bilateral abductor vocal cord paralysis syndrome: A complication that can occur following the removal of the thyroid gland.
  • Bird-headed dwarfism with progressive ataxia, Insulin-resistant diabetes, goiter and primary gonadal insufficiency: A rare disorder characterized by diabetes, goiter, insufficient hormone production by the gonads and progressive ataxia.
  • Blastomycosis: A fungal infection caused by Blastomyces dermatitidis and resulting in lung, skin, bone and genitourinary involvement.
  • Blepharochalasia - double lip: A very rare syndrome characterized y blepharochalasis and a double lip.
  • Blepharophimosis syndrome Ohdo type: An extremely rare syndrome characterized primarily by mental retardation and eye anomalies. Only a handful of cases have been reported.
  • CATCH 22: A term used to describe a group of disorders resulting from a deletion on chromosome 22q11 and involving heart and face abnormalities, T cell deficit due to an underdeveloped thymus, cleft palate, low blood calcium due to hypothyroidism. This term tends to include disorders such as Shprintzen syndrome, velocardiofacial syndrome, DiGeorge syndrome and Takao syndrome.
  • CDG syndrome type 1A: A very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type 1A involves a phosphomannomutase enzyme defect and affects most body systems especially the nervous system and liver function.
  • Candidiasis familial chronic mucocutaneous, autosomal dominant, with thyroid disease: A dominantly inherited condition characterized by poor immunity to fungal infections (particularly those caused by Candida albicans) as will as thyroid disease. Persistent fungal infections tend to affect the nails, skin or mucous membranes. The degree of severity is variable with some cases leading to fugal infection of the brain which is usually fatal.
  • Chemical poisoning - Bromide: Bromide is a chemical used for many applications - flame retardant, industrial uses, pesticides, sanitary products, fumigants, medicines, dyes, photographic solutions and water purification. Bromides act as central nervous system depressants and the ingestion of excessive quantities can cause serious symptoms. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
  • Chemical poisoning - Hexachlorobenzene: Hexachlorobenzene is a chemical used mainly in seed treatments. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
  • Choriocarcinoma: Rare cancer of the placenta
  • Chromosome 1, 1p36 deletion syndrome: A rare chromosomal disorder where deletion of a portion of chromosome 1 causes various abnormalities such as heart problems, mental retardation, developmental delay, facial dysmorphism and short stature. The symptoms are variable depending on the exact location of chromosomal deletion.
  • Chromosome 10p deletion syndrome: A rare chromosomal disorder where there is a deletion of the short arm (p) of chromosome 10 resulting in variable abnormalities.
  • Chromosome 12 ring syndrome: A rare chromosomal disorder where genetic material from one or both ends of chromosome 12 is missing and the two broken ends have rejoined to form a ring. The resulting type and severity of symptoms is determined by the amount and location of genetic material missing.
  • Chromosome 15q duplication syndrome: A rare chromosomal disorder involving an extra copy of genetic material from the long arm of chromosome 15. The type and severity of symptoms are determined by the amount and location of the duplicated genetic material.
  • Chromosome 15q, trisomy: A rare chromosomal disorder involving an extra copy of genetic material from the long arm of chromosome 15. The type and severity of symptoms are determined by the amount and location of the duplicated genetic material.
  • Chromosome 2 trisomy syndrome: A rare chromosomal disorder where there are three copies of chromosome 2 instead of the normal two.
  • Chromosome 21q deletion syndrome: A rare genetic disorder where a portion of the genetic material from the long arm of chromosome 21 is missing. The symptoms or severity may vary somewhat between patients.
  • Chromosome 22q deletion: A rare genetic disorder where a portion of the genetic material from the long arm of chromosome 22 is missing. The symptoms or severity may vary somewhat between patients.
  • Chromosome 22q11.2 deletion syndrome: A rare genetic disorder caused by the absence of a small portion of genetic material. A small section of chromosome 22 is missing at a location called q11.2. Chromosome 22 is one of 23 pairs of chromosomes that exist in humans.
  • Chromosome 6, trisomy 6q: A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 6 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material.
  • Chromosome 6q duplication syndrome: A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 6 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material.
  • Cleft palate, bilateral choanal atresia, curly hair and congenital hypothyroidism: A rare syndrome characterized by the association of curly, choanal atresia, cleft palate and congenital hypothyroidism.
  • Congenital Disorders of Glycosylation Type Ia: A very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type 1A involves a phosphomannomutase enzyme defect and affects most body systems especially the nervous system and liver function.
  • Congenital disorder of glycosylation type 1A: A very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type 1A involves a phosphomannomutase enzyme defect and affects most body systems especially the nervous system and liver function.
  • Congenital disorder of glycosylation type 1H: Congenital disorders of glycosylation is a group of very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type Ih is caused by a defect on chromosome 11pter-p15.5 and involves the gene for a particular enzyme (dolichyl-P-glucose:Glc-1-Man-9-GlcNAc-2-PP-dolichyl-alpha-3-glucosyltransferase).
  • Cowden's syndrome: A rare hereditary condition characterized by multiple noncancerous nodules called hamartomas. Sufferers also face an increased risk of particular cancers.
  • Cretinism athyreotic: A rare form of congenital hypothyroidism that causes mental and physical growth retardation in infants or children. Prompt thyroid hormone therapy is essential in order to prevent progressive neurological and motor deterioration.
  • Cutler Syndrome: A rare disorder characterized by multisystem disorders including muscle wasting, ataxia, epilepsy, anemia and kidney disease. The kidney disease is most likely present at birth.
  • Cutler-Bass-Romshe syndrome: A very rare syndrome characterized by kidney, neurological and thyroid problems.
  • Daneman Davy Mancer syndrome: A very rare syndrome characterized mainly by kidney, thyroid and finger and toea abnormalities.
  • Deafness - goiter - stippled epiphyses: A congenital metabolic disorder where the body fails to respond to thyroid hormone even though there is sufficient quantities of the hormone.
  • Deafness - thyroid hormone resistance: An inherited disorder where the body fails to respond to thyroid hormone even though there is sufficient quantities of the hormone.
  • DiGeorge syndrome: 22q11.2 deletion syndrome is a genetic disorder which can result in a vast array of symptoms. Various names have been used to describe different manifestations of the syndrome. Di George Syndrome primarily involves an underdeveloped thymus and parathyroid glands which results in lowered immunity low blood calcium levels respectively. Another primary feature is heart defects. Various other variable features are also present. It is not uncommon for patients to have more than one of the 22q11.2 deletion syndrome subtypes which can make diagnosis confusing - other subtypes include Sphrintzen syndrome, Caylor cardiofacial syndrome and CATCH 22.
  • DiGeorge's syndrome: Rare form of primary immune deficiency
  • Diabetes insipidus, diabetes mellitus, optic atrophy: A rare association of diabetes insipidus, diabetes mellitus, optic atrophy, and deafness.
  • Diabetes, neonatal - congenital hypothyroidism - congenital glaucoma - hepatic fibrosis - polycystic kidneys: A rare syndrome characterized by the presence of diabetes, hypothyroidism, liver fibrosis, polycystic kidneys and glaucoma in infants.
  • Double Upper and Lower Lip - Hypertelorism - Ptosis - Blepharophimosis - clinodactyly: A very rare syndrome characterized y double lip involving the upper and lower lip, wide set eyes, droopy eyelids, blepharophimosis and abnormally curved fifth fingers.
  • Down Syndrome: A chromosome syndrome causing physical effects and mental retardation.
  • Duplication 6q: A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 6 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material.
  • Emanuel syndrome: A rare chromosomal disorder where a portion of chromosome 11 is translocated with a portion of chromosome 22. The disorder involves a wide range of abnormalities such as kidney, genital and heart abnormalities, mental retardation, small head and failure to thrive.
  • Enlarged thyroid gland: an enlarged thyroid gland is a lump that can be felt under the skin at the front of the neck. When it is large enough to see easily, it's called a goitre
  • Escamilla-Lisser syndrome: Hypothyroidism in adults where external signs may be few or absent but serious problems can occur internally. Some of the problems includes weakened muscles in the heart, intestines and bladder.
  • Freire-Maia odontotrichomelic syndrome: A rare syndrome characterized by tooth, hair and limb abnormalities.
  • Freire-Maia syndrome: An extremely rare syndrome characterized by tooth, hair and limb abnormalities. The abnormalities can be quite severe in some cases. The parents may have been related in the reported cases.
  • Generalized resistance to thyroid hormone: An inherited disorder where the body fails to respond to thyroid hormone even though there is sufficient quantities of the hormone.
  • Glutaricaciduria type 3: A very rare inherited metabolic disorder involving a deficiency of the glutaryl-CoA oxidase enzyme. The disorder is severe with death occurring during infancy or soon after birth.
  • Goiter: An enlargement of the thyroid gland
  • Goitre: A swelling in the neck due to an enlarged thyroid.
  • Graves disease: A condition which is an autoimmune disease that affects the thyroid resulting hyperthyroidism
  • Halal syndrome: A very rare syndrome characterized mainly by a small head and a cleft palate.
  • Hand-Schüller-Christian Syndrome: A group of blood disorder involving excess production of histiocytes (type of immune cell) throughout the body. Accumulation of histiocytes results in non-cancerous growths which can damage organs and other body tissues such as bones. Symptom vary hugely and depend on location and size of tumor growths.
  • Hashimoto's thyroiditis: A progressive disease of the thyroid which leads to degeneration and hypothyroidism
  • Hemochromatosis: Excess of iron leading to problems with joints, liver, heart and pancreas.
  • Hemochromatosis-related diabetes: A single-gene disease that causes iron accumulation in the tissues of the body. Diabetes is a primary complication if hemochromatosis goes untreated. Hemochromatosis is sometimes referred to as "bronze diabetes."
  • Hodgkin's Disease: A form of cancer that affects the lymphatic system.
  • Hydatidiform mole: A rare condition where an abnormal union between an egg and a sperm results in the formation of grape-like cysts instead of a baby. The growth is not malignant.
  • Hyperthyroidism: The excessive activity of the thyroid gland
  • Hyperthyroidism - Teratogenic Agent: There is strong evidence to indicate that the development of hyperthyroidism during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the stage of pregnancy that the exposure occurred at.
  • Hypoadrenocorticism - hypoparathyroidism - moniliasis: An autoimmune disorder where hormone production by various glands is reduced. The main features of the disorder are Addison disease and/or hypoparathyroidism and/or chronic candidiasis.
  • Hypomelia - mullerian duct anomalies: A rare genetic disorder characterized by severely underdeveloped arms and uterine and vaginal abnormalities.
  • Hypothalamic dysfunction: Abnormal function of the thalamus located in the brain. The thalamus controls pituitary gland function which in turn controls other hormone producing glands such as the thyroid gland, adrenal gland, ovaries and testes. The thalamus also regulates functions such as temperature control, emotions, sleep, appetite and salt balance. Abnormal thalamus functioning may be caused by such things as surgery, infection, genetic disorders, poor nutrition and tumors.
  • Hypothyroidism: The decreased activity of the thyroid gland
  • Hypothyroidism - Teratogenic Agent: There is strong evidence to indicate that the development of hypothyroidism during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the stage of pregnancy that the exposure occurred at.
  • Hypothyroidism - cleft palate: A rare syndrome characterized mainly by the association of an abnormal opening in the roof of the mouth and reduced thyroid functioning.
  • Hypothyroidism - dermoid cyst - cleft palate: A rare syndrome characterized by primary hypothyroidism, dermoid cyst, cleft palate and other abnormalities.
  • Hypothyroidism due to iodide transport defect: Low thyroid hormone levels in infants due to abnormal iodide transport in the body caused by a genetic defect. The severity of the condition varies depending on the extent of the defect and the length of time taken to diagnose the condition. Symptoms tend to become worse, the longer the condition is undiagnosed.
  • Hypothyroidism postaxial polydactyly mental retardation: A very rare syndrome characterized by abnormally low thyroid levels, extra digits, mental retardation and unusually facial appearance.
  • Iodine (insufficiency) - Teratogenic Agent: There is evidence to indicate that a lack of Iodine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
  • Iodine - Teratogenic Agent: There is evidence to indicate that exposure to Iodine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
  • Iodine antenatal infection: Excessive fetal exposure to iodine which can destroy part or all of the thyroid gland.
  • Iodine deficiency: Dietary deficiency of iodine affecting the thyroid.
  • Iodine overuse: The consumption of high doses of iodine can cause symptoms.
  • Johanson-Blizzard Syndrome: A rare genetic disorder involving a range of abnormalities including a characteristic beak-like small nose, hypothyroidism and deafness.
  • Kaplowitz-Bodurtha syndrome: A very rare syndrome characterized mainly by reduced pituitary hormone production and small eyes.
  • Kashin-Bek disease: A type of osteoarthritis occurring mostly in children in China, Korea and Siberia and possibly caused by eating wheat infected with a particular fungus.
  • Langerhans Cell Histiocytosis: A condition which is characterized by proliferation of Langerhans cells
  • Levothyroxine - Teratogenic Agent: There is evidence to indicate that exposure to Levothyroxine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
  • Liotrix - Teratogenic Agent: There is evidence to indicate that exposure to Liotrix during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
  • Lymphoma: Any neoplastic disorder that occurs in lymphoid tissue
  • Lymphomatous thyroiditis: Progressive thyroid gland enlargement due to autoimmune disease.
  • McCune-Albright Syndrome: A rare genetic multisystem disorder characterized by abnormal skin pigmentation and endocrine gland dysfunction and replacement of parts of bone tissue with fibrous material.
  • Methimazole - Teratogenic Agent: There is evidence to indicate that exposure to Methimazole during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
  • Microcephaly - seizures - mental retardation - heart disorders: A very rare syndrome characterized mainly by a small head, seizures, mental retardation and heart disorders.
  • Microphthalmia syndromic, type 6: A rare inherited syndrome characterized mainly by small eyes, malformed ears, small jaw and finger and genital abnormalities. The symptoms are variable to some degree.
  • Monosomy 1p36: A rare chromosomal disorder where deletion of a portion of chromosome 1 causes various abnormalities such as heart problems, mental retardation, developmental delay, facial dysmorphism and short stature. The range and severity of symptoms is variable with some cases being relatively mild.
  • Multiple endocrine abnormalities - adenylyl cyclase dysfunction: A rare syndrome characterized by an enzyme defect (adenylyl cyclase) and a number of endocrine abnormalities.
  • Neck symptoms: Symptoms affecting the neck
  • Neurosarcoidosis: A rare disorder involving sarcoidosis of the nervous system. Sarcoidosis is a chronic inflammatory disorder that can affect virtually any part of the body. Neurosarcoidosis involves inflammation and abnormal deposits in parts of the nervous system including the brain and spinal cord which affects their functioning. Symptoms may be sudden and severe or may be mild and progress slowly. Symptoms are determined by the degree of nerve involvement.
  • Obesity - colitis - hypothyroidism - cardiac hypertrophy - developmental delay: A rare syndrome characterized by obesity, colitis, hypothyroidism, enlarged heart and developmental delay. The two reported cases involved maternal HELLP syndrome during pregnancy. Both infants died within months of birth.
  • Obesity, hypothyroidism, craniosynostosis, cardial hypertrophy, colitis and intellectual deficiency: A rare syndrome characterized by a variety of features including obesity, hypothyroidism, premature fusion of skull bones, enlarged heart, colitis and mental retardation. The two reported cases both involved the development of HELLP syndrome during the mother's pregnancy.
  • POEMS syndrome: A very rare disorder that has widespread effects on the body: P - polyneuropathy, O - organopathy, E - endocrinopathy, M - monoclonal gammopathy, S - skin changes.
  • PTEN Hamartoma Tumor Syndrome: PTEN Hamartoma Tumor Syndrome is a group of conditions caused by a mutation in the PTEN gene. The primary characteristic of the condition is the development of multiple hamartomas (tumor-like growth) in virtually any part of the body. The growths are generally not cancerous but patients often have an increased risk of developing various cancers. Specific conditions covered by this term are Cowden syndrome, BAnnayan-Riley-Ruvalcaba Syndrome and Proteus syndrome.
  • Palpitations: Abnormality of the heart beat that person can feel
  • Pendred syndrome: An inherited condition characterized by hearing loss and goiter formation. The enlarged thyroid gland often continuges to function normally.
  • Pituitary Cancer: Cancer of the pituitary gland.
  • Polyendocrine deficiency syndrome: Various rare syndromes causing multiple gland-attacking autoimmune diseases.
  • Polyendocrine deficiency syndrome type 1: Multi-endocrine syndrome commonly affecting children
  • Polyendocrine deficiency syndrome type 2: Multi-endocrine syndrome usually affecting young adults.
  • Postpartum thyroiditis: The occurrence of thyroiditis in a woman that occurs after the birth of a child
  • Potassium Iodide - Teratogenic Agent: There is evidence to indicate that exposure to Potassium Iodide during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
  • Povidone-Iodine - Teratogenic Agent: There is evidence to indicate that exposure to Povidone-Iodine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
  • Pregnancy symptoms: Symptoms related to pregnancy.
  • Primary biliary cirrhosis: Primary biliary cirrhosis is a chronic and progressive cholestatic disease of the liver.
  • Proptosis: This occurs when there is bulging or displacement of the eye anteriorly.
  • Propylthiouracil - Teratogenic Agent: There is evidence to indicate that exposure to Propylthiouracil during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
  • Resistance to thyroid stimulating hormone: A very rare disorder where the body is unable to respond to thyroid stimulating hormone even though it is present in sufficient quantities. The problem lies in defective thyroid stimulating hormone receptors.
  • Retinohepatoendocrinologic syndrome: A rare inherited disorder characterized mainly by eye, liver and endocrine function abnormalities.
  • Riedel syndrome: A rare condition that occurs when fibrous tissue forms in the thyroid area and progressively destroys the thyroid gland.
  • Secondary Biliary Cirrhosis: Secondary biliary cirrhosis is a condition where the bile ducts are unable to transport bile effectively due to a secondary cause which results in blockage, inflammation, scarring or some other damage to the bile ducts. The condition may result from such things as congenital defect of the bile ducts (e.g. biliary atresia), cystic fibrosis, gallstones or a variety of other secondary conditions.
  • Sjogren's Syndrome: Autoimmune disease damaging the eye tear ducts and other glands.
  • Sodium Iodide - Teratogenic Agent: There is evidence to indicate that exposure to Sodium Iodide during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
  • Sohval-Soffer syndrome: A very rare syndrome characterized mainly by mental retardation, hypogonadism and skeletal abnormalities.
  • Subacute Thyroiditis: A self-limiting, virally induced inflammation of the thyroid characterised by a febrile illness and swelling of the thyroid, with subsequent damage to the thyroid tissue causing leakage of thyroid hormones into the circulation
  • Swollen thyroid gland: An enlarged thyroid gland is a lump that can be felt under the skin at the front of the neck. When it is large enough to see easily,it's called a goiter
  • Tachycardia: Heart rate greater than 100 beats per minute.
  • Tetramelic deficiencies - Ectodermal dysplasia - deformed ears - other abnormalities: An extremely rare syndrome characterized by tooth, hair and limb abnormalities. The abnormalities can be quite severe in some cases. The parents may have been related in the reported cases.
  • Thyrocerebral-retinal syndrome: A very rare syndrome observed in a brother and sister and characterized by thyroid, kidney and neurological disease.
  • Thyroid - Teratogenic Agent: There is evidence to indicate that exposure to Thyroid during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
  • Thyroid Pain: Pain or tenderness on swallowing or on palpating the thyroid gland at the front of the neck below the 'Adam's Apple'.
  • Thyroid activity increased: A condition which is characterized by an increase in thyroid activity
  • Thyroid cancer, anaplastic: A thyroid gland cancer that is quite aggressive and metastasizes to other parts of the body.
  • Thyroid disease: Any medical condition which affects the thyroid
  • Thyroid disorders: Any disorder of the thyroid gland.
  • Thyroid enlargement: A condition which is characterized by an enlargement of the thyroid
  • Thyroid gland abnormalities: Any condition which can be characterized by abnormalities of the function of the thyroid
  • Thyroid hormone plasma membrane transport defect: Thyroid problems caused by a defect in the transport of a thyroid hormone called T4 (thyroxine) within the body. The thyroid produces excessive hormones to try to compensate for that inability of the body to utilize the hormone.
  • Thyroid problems: Any condition which affects the thyroid
  • Thyroid symptoms: Symptoms affecting the thyroid gland
  • Thyroiditis: Inflammation of the thyroid gland.
  • Troell-Junet syndrome: A disorder involving enlarged extremities, diabetes, skull abnormalities and excessive thyroid hormone production.
  • Underactive thyroid gland: A condition which is characterized by a thyroid gland which is underactive
  • Velocardiofacial syndrome: A genetic disorder which can present with a wide range of phenotypic manifestations which has lead to a number of different names being assigned to the various presentations e.g. DiGeorge Syndrome and Cayler Anomaly Face Syndrome. There are nearly 200 different symptoms that can occur and the severity of the condition is also highly variable depending on the nature and severity of the symptoms that are present.
  • Vilanova-Canadeli syndrome: A syndrome involving the association of hypothyroidism and a skin disorder caused by vitamin A deficiency.
  • Weight loss: Loss of body weight.
  • Wolfram Syndrome 2: Wolfram Syndrome is a condition characterized by the association of diabetes insipidus, diabetes mellitus, optic atrophy and deafness. Type 2 is the result of a genetic defect and is similar to type 1 but there is no diabetes insipidus and patients tend to develop gastrointestinal problems.
  • Zadik Barak Levin syndrome: A condition that affects the endocrine system as well as some facial characteristics

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