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"
a square piece of cloth used for wiping the eyes or nose or as a costume accessory (同)hankie, hanky, hankey
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
ハンカチ / 《古》ネッカチーフ
=ti

UpToDate Contents

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1. 成人における頭蓋骨骨折 skull fractures in adults
2. 成人における皮膚筋炎および多発性筋炎の臨床症状 clinical manifestations of dermatomyositis and polymyositis in adults
3. 思春期特発性側弯症：臨床的特徴、評価および診断 adolescent idiopathic scoliosis clinical features evaluation and diagnosis
4. 小児および思春期における自然縦隔気腫 spontaneous pneumomediastinum in children and adolescents
5. ムコール症（接合真菌症） mucormycosis zygomycosis

English Journal

Isaac's Sign: handkerchief holding by older inpatients.

Collins DR, Saharia R, Watt R, Mulley GP.
Journal of the American Geriatrics Society.J Am Geriatr Soc.2009 Nov;57(11):2171-2. doi: 10.1111/j.1532-5415.2009.02539.x.
PMID 20121974

The radioactive handkerchief sign. A contamination artifact in I-131 imaging for metastatic thyroid carcinoma.

Pochis WT1, Krasnow AZ, Isitman AT, Cerletty JM, Kir KM, Hellman RS, Collier BD.
Clinical nuclear medicine.Clin Nucl Med.1990 Jul;15(7):491-4.
False-positive findings suggestive of metastatic functioning thyroid carcinoma have been well documented in I-131 whole-body imaging. These artifacts are often associated with contamination from radioiodine-containing body secretions. Recently, a contaminated handkerchief on an iodine-131 whole-body
PMID 2200627