WordNet

mark with a spot or spots so as to allow easy recognition; "spot the areas that one should clearly identify"
a small piece or quantity of something; "a spot of tea"; "a bit of paper"; "a bit of lint"; "I gave him a bit of my mind" (同)bit
a small contrasting part of something; "a bald spot"; "a leopards spots"; "a patch of clouds"; "patches of thin ice"; "a fleck of red" (同)speckle, dapple, patch, fleck, maculation
a business establishment for entertainment; "night spot"
a playing card with a specified number of pips on it to indicate its value; "an eight-spot"
a mark on a die or on a playing card (shape depending on the suit) (同)pip
a section of an entertainment that is assigned to a specific performer or performance; "they changed his spot on the program"
a short section or illustration (as between radio or tv programs or in a magazine) that is often used for advertising
make a spot or mark onto; "The wine spotted the tablecloth" (同)fleck, blob, blot
detect with the senses; "The fleeing convicts were picked out of the darkness by the watchful prison guards"; "I cant make out the faces in this photograph" (同)recognize, recognise, distinguish, discern, pick out, make_out, tell apart
become spotted; "This dress spots quickly"
an artificial language for international use that rejects all existing words and is based instead on an abstract analysis of ideas
United States writer whose novels portray middle-class Jewish life (born in 1933) (同)Philip Roth, Philip Milton Roth

PrepTutorEJDIC

『斑点』(はんてん),まだら,ぶち;(太陽の)黒点 / 『しみ』,よごれ;吹出物,にきび / (…に対する)汚名,汚点《+『on』+『名』》 / 『場所』,地点;部分,箇所 / (順序・組織における)位置;立場,おかれた状況 / 《a spot》《英話》(…の)少量,ちょっぴり(の…);(…の)1杯《+『of』+『名』》 / (ラジオ・テレビ番組の)構成区分 / …‘を'『しみで汚す』,‘に'汚れをつける;…‘に'斑点(はんてん)をつける,‘を'まだら(ぶち)にする;( …で)…‘に'しみ(斑点)をつける《+『名』+『with』+『名』》 / 〈人格・名声など〉‘を'汚す,傷つける / (特定の場所に)…‘を'置く,配置する / …‘を'見つける;(…だと)…‘を'見抜く《+『名』+『as』(『for』)+『名』》 / 〈インクなどが〉『しみになる』;〈布などが〉汚れる / 即座になされる,即時払いの(引き渡しの) / 現場での,現地の / (ラジオ・テレビで)番組の間に放送される / ちょうど,ぴったり(exactly)

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2014/02/19 04:04:31」(JST)

wiki en

Roth's spots are retinal hemorrhages with white or pale centers composed of coagulated fibrin. They are typically observed via fundoscopy (using an ophthalmoscope to view inside the eye) or slit lamp exam.

They are usually caused by immune complex mediated vasculitis often resulting from bacterial endocarditis. Roth's spots may be observed in leukemia, diabetes, subacute bacterial endocarditis, pernicious anemia, ischemic events, and rarely in HIV retinopathy.

Roth's spots are named after Moritz Roth.^[1]^[2]

References[edit]

^ synd/2684 at Who Named It?
^ M. Roth. Über Netzhautaffectionen bei Wundfiebern. I. Die embolische Panophthalmitis. Deutsche Zeitschrift für Chirurgie, Leipzig, 1872, 1: 471-484.

External links[edit]

Image at Nature.com

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UpToDate Contents

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English Journal

Bilateral nongranulomatous uveitis with infective endocarditis.

Ha SW, Shin JP, Kim SY, Park DH.SourceDepartment of Ophthalmology, Kyungpook National University School of Medicine, Daegu, Korea.
Korean journal of ophthalmology : KJO.Korean J Ophthalmol.2013 Feb;27(1):58-60. doi: 10.3341/kjo.2013.27.1.58. Epub 2012 Dec 18.
A 32-year-old male who had infective endocarditis complained of photophobia and blurred vision in both eyes. Biomicroscopic examination and fundus examination revealed anterior chamber reaction, vitritis, optic disc swelling, and Roth spots. He was diagnosed with bilateral nongranulomatous uveitis a
PMID 23372383

Spectral-domain optical coherence tomography of Roth spots in multiple myeloma.

Priluck JC, Chalam KV, Grover S.
Eye (London, England).Eye (Lond).2012 Dec;26(12):1588-9. doi: 10.1038/eye.2012.183. Epub 2012 Sep 21.
PMID 22995939

Japanese Journal

眼底にRoth斑を見たneoplastic angioendotheliosis

岡田貴典,毛利将子,山之内純,長谷川敦彦,横田英介,松本勲
臨床血液 39(3), 227-231, 1998-03-30
NAID 10005900326

「ロス斑」

　　[★]

英: Roth spot, Roth spots, Roth's spots
同: Roth斑

概念

ロス斑は白斑を中心と中心とする出血像を示す。ロス斑は綿花状白斑の周りを出血が取り囲んでいる。綿花用白斑は虚血に陥った軸索の膨化(破裂?, bursting)により生じている。毛細血管に入る前の細動脈が虚血により破裂することにより生じている。多くの病態でロス斑が起こるのであって、細菌性心内膜炎に特異的なわけではない。(参考(1))