WordNet

place signs, as along a road; "sign an intersection"; "This road has been signed"
(medicine) any objective evidence of the presence of a disorder or disease; "there were no signs of asphyxiation"
a perceptible indication of something not immediately apparent (as a visible clue that something has happened); "he showed signs of strain"; "they welcomed the signs of spring" (同)mark
a character indicating a relation between quantities; "dont forget the minus sign"
a fundamental linguistic unit linking a signifier to that which is signified; "The bond between the signifier and the signified is arbitrary"--de Saussure
a gesture that is part of a sign language
a public display of a message; "he posted signs in all the shop windows"
engage by written agreement; "They signed two new pitchers for the next season" (同)contract, sign on, sign_up
approve and express assent, responsibility, or obligation; "All parties ratified the peace treaty"; "Have you signed your contract yet?" (同)ratify
communicate silently and non-verbally by signals or signs; "He signed his disapproval with a dismissive hand gesture"; "The diner signaled the waiters to bring the menu" (同)signal, signalize, signalise
mark with ones signature; write ones name (on); "She signed the letter and sent it off"; "Please sign here" (同)subscribe
be engaged by a written agreement; "He signed to play the casino on Dec. 18"; "The soprano signed to sing the new opera"
communicate in sign language; "I dont know how to sign, so I could not communicate with my deaf cousin"
the part of a glove that provides a covering for the thumb
the thick short innermost digit of the forelimb (同)pollex
(of pages) worn or soiled by thumb and fingers by frequent handling or turning; "well-thumbed pages of the dictionary"
having a handwritten signature; "a signed letter"

PrepTutorEJDIC

(ある事実・状態・感情などの)『表れ』,印,気配,徴侯(indication);(…の)こん跡,計跡《+『of』+『名』》・『身ぶり』,手まね,合図 / 『標識』,看板 / (数学・音楽などの)記号 / (…の)『象徴』,シンボル(symbol)《+『of』+『名』》・《文》(…の)『前兆』,きざし《+『of』+『名』》・宮(きゅう)(黄道12区分の一つ) ・〈手紙・書類・作品など〉‘に'『署名する』・(…に)〈名前など〉‘を'書く《+『名』+『on』(『to』)+『名』》 / …‘を'雇う契約に署名する・…‘を'合図する,知らせる;…に合図する・署名する・契約書に署名して雇われる
『親指』;(手袋などの)親指の部分 / 〈本のページ〉‘を'親指でめくる / 《話》〈ヒッチハイカーが〉〈便乗〉‘を'親指を立てて頼む / ヒッチハイクする
=ti

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/07/16 10:48:13」(JST)

wiki en

In radiology, the thumbprint sign, or thumbprinting, is a radiologic sign found on a lateral C-spine radiograph that suggests the diagnosis of epiglottitis. The sign is caused by a thickened free edge of the epiglottis, which causes it to appear more radiopaque than normal, resembling the distal thumb.

In an abdominal radiography, thumbprinting has an appearance of thumbs protruding into the intestinal lumen, and is caused by thickened edematous mucosal folds.^[1] Abdominal thumbprinting is a non-specific finding, though one potential cause is intestinal ischemia.^[2]

References

^ Page 111 in:Elizabeth D Agabegi; Agabegi, Steven S. (2008). Step-Up to Medicine (Step-Up Series). Hagerstwon, MD: Lippincott Williams & Wilkins. ISBN 0-7817-7153-6.
^ Acute epiglottitis at eMedicine

External links

Thumbprint sign on plain film

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UpToDate Contents

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1. クループの臨床的特徴、評価、および診断 clinical features evaluation and diagnosis of croup
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5. 亜急性または慢性の手首の疼痛を有する成人の評価 evaluation of the adult with subacute or chronic wrist pain

English Journal

The "Thumbs-up" sign and trapeziometacarpal joint injection: a useful clinical indicator.

Erpelding JM1, Shnayderman D2, Mickschl D2, Daley RA2, Grindel SI2.
Hand (New York, N.Y.).Hand (N Y).2015 Jun;10(2):362-5. doi: 10.1007/s11552-014-9683-1.
BACKGROUND: Several clinical studies investigating the accuracy and efficacy of trapeziometacarpal injection exist. Some studies utilize anatomical landmarks for proper injection placement while others utilize modalities including ultrasound and fluoroscopy. The changes of limb position that occur a
PMID 26034462

Marfan syndrome and the thumb sign.

Zoabi A1, Lavie G1.
QJM : monthly journal of the Association of Physicians.QJM.2015 Jun;108(6):509. doi: 10.1093/qjmed/hcu224. Epub 2014 Nov 18.
PMID 25411342

Japanese Journal

母指対立障害における perfect O sign の定量的解析

白須幹啓,岡島誠一郎,小田良,平澤泰介,勝見泰和
日本手の外科学会雑誌 = The Journal of Japanese Society for Surgery of the Hand 19(6), 790-792, 2002-12-31
NAID 10010659181

簡易上肢機能検査(STEF)を用いた頸髄症術前後の上肢運動機能評価

橋本光宏,小林健一,岡本弦 [他],西垣浩光,吉永勝訓
リハビリテーション医学 : 日本リハビリテーション医学会誌 38(11), 912-919, 2001-11-18
手術を行った頸髄症56例に対し簡易上肢機能検査(STEF)を行い, 術前後の上肢運動機能を評価した.STEFは術前後で有意に改善し, 手術およびリハビリテーションの効果を評価するのに有用であると思われた.10項目の検査のうち特に検査8〜10において, 術前は低値を示したが, 術後の改善が著しかった.これらの検査は母指と示指による細かいもののピンチ動作を要求され, 手指の巧緻運動性を定量的に評価する …
NAID 110001865039