WordNet

having a frequency below or above the range of human audibility; "a silent dog whistle"
marked by absence of sound; "a silent house"; "soundless footsteps on the grass"; "the night was still" (同)soundless, still
implied by or inferred from actions or statements; "gave silent consent"; "a tacit agreement"; "the understood provisos of a custody agreement" (同)tacit, understood
not made to sound; "the silent `h at the beginning of `honor"; "in French certain letters are often unsounded" (同)unsounded
inflammation of the thyroid gland

PrepTutorEJDIC

『音がしない』,静かな / 『沈黙の』,口に出さない;音をたてない・無口の・《補語にのみ用いて》(…について)意見を述べていない,触れていない《+『about』(『on』)+『名』》 / 活動していない・(映画が)無声の・(文字が)発音されない・無声映画

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2013/01/20 14:46:50」(JST)

wiki en

Subacute lymphocytic thyroiditis is a form of thyroiditis that is also known as silent thyroiditis or painless thyroiditis. Subacute lymphocytic thyroiditis may occur at any age and is more common in females. A variant of subacute lymphocytic thyroiditis occurs postpartum - postpartum thyroiditis. Both of these entities can be considered subtypes of Hashimoto's thyroiditis and have an autoimmune basis. Anti-thyroid antibodies are common in all three and the underlying histology is similar. ^[1]^[2]

Symptoms

Subacute lymphocytic thyroiditis features a small goiter without tenderness. This condition tends to have a phase of hyperthyroidism followed by a return to a euthyroid state, and then a phase of hypothyroidism, followed again by a return to the euthyroid state. The time span of each phase can vary; however, each phase usually lasts 2-3 months.^[1]

Diagnosis

Subacute lymphocytic thyroiditis can only be diagnosed correctly by taking a radioactive iodine uptake test, or RAIU test.^[1]^[3]

During the hyperthyroid phase, iodine uptake is suppressed, while during the hypothyroid phase, uptake is increased.^[4]

This situation contrasts greatly with the elevated iodine uptake found in patients with Graves' disease.^[1]

Treatment

Treatment is based on symptoms. Beta-blockers relieve rapid heart rate and excessive sweating during the hyperthyroid phase.^[4]

References

^ ^a ^b ^c ^d Thyroiditis: Differential Diagnosis and Management, American Family Physician,February 15, 2000
^ "Subacute lymphocytic thyroiditis" at Dorland's Medical Dictionary
^ Description of Radioactive Iodine Uptake Test, WebMD.com, August 14, 2008
^ ^a ^b NIH Medline Plus

UpToDate Contents

全文を閲覧するには購読必要です。 To read the full text you will need to subscribe.

1. 無痛性甲状腺炎 painless thyroiditis
2. 甲状腺の概要 overview of thyroiditis
3. 橋本病（慢性自己免疫性甲状腺炎）の病因 pathogenesis of hashimotos thyroiditis chronic autoimmune thyroiditis
4. リチウムと甲状腺 lithium and the thyroid
5. 甲状腺機能亢進症の診断 diagnosis of hyperthyroidism

English Journal

Early Hypoparathyroidism Reversibility with Treatment of Riedel's Thyroiditis.

Stan MN1, Haglind EG2, Drake MT1.
Thyroid : official journal of the American Thyroid Association.Thyroid.2015 Sep;25(9):1055-9. doi: 10.1089/thy.2015.0212. Epub 2015 Aug 17.
BACKGROUND: Riedel's thyroiditis (RT) is a rare, fibroinflammatory condition which induces gradual thyroid gland destruction and adjacent soft-tissue fibrous infiltration. About one- seventh of RT cases are associated with hypoparathyroidism, necessitating long-term therapy for symptomatic hypocalce
PMID 26200816

Demographic data of thyroiditis from a south Indian city.

Kalra P1, Kumar KM2, Kallur KG3, Vadyanathan V4, Nadig M5, Shankar M6.
Indian journal of endocrinology and metabolism.Indian J Endocrinol Metab.2015 Mar-Apr;19(2):300-2. doi: 10.4103/2230-8210.149326.
BACKGROUND: Thyroiditis involves thyroid gland inflammation due to a wide variety of causes. The common varieties are subacute, silent and postpartum thyroiditis.AIMS AND OBJECTIVES: To retrospectively collect demographic data of thyroiditis from Bangalore over the past 5 years.MATERIALS AND METHODS
PMID 25729697

Diagnosis and classification of autoimmune gastritis.

Toh BH1.
Autoimmunity reviews.Autoimmun Rev.2014 Apr-May;13(4-5):459-62. doi: 10.1016/j.autrev.2014.01.048. Epub 2014 Jan 11.
Autoimmune gastritis is a silent and highly prevalent disease that only becomes clinically manifested with progression to corpus atrophy and development of iron deficient or B12-deficient (pernicious) anaemia. Autoimmune gastritis is associated with autoimmune thyroiditis and type 1 diabetes mellitu
PMID 24424193

Japanese Journal

無痛性甲状腺炎,亜急性甲状腺炎 (特集甲状腺疾患 : 診断・治療の最新動向) -- (主要疾患の病態・診断・治療)

吉村弘
日本臨床 70(11), 1945-1950, 2012-11
NAID 40019468728

Silent Thyroiditis in Uncommon Setting

Tsuboi Kumiko
Internal Medicine 51(5), 453-453, 2012
NAID 130002061906

Autoimmune Thyroid Disease in Children and Adolescents With Idiopathic Pulmonary Arterial Hypertension

SATOH Mari,ASO Keiko,NAKAYAMA Tomotaka,NAOI Kazuyuki,IKEHARA Satoshi,UCHINO Yumiko,SHIMADA Hiromitsu,TAKATSUKI Shinichi,MATSUURA Hiroyuki,SAJI Tsutomu
Circulation journal : official journal of the Japanese Circulation Society 74(2), 371-374, 2010-01-25
… 2 patients developed Graves' disease, 2 developed silent thyroiditis, and 3 had antithyroid antibodies with euthyroidism. …
NAID 10025942805