Computed tomography settings for optimal detection of wooden foreign bodies
To the Editor, The radiological detection of wooden foreign bodies is difficult, because plain X-rays cannot detect wooden foreign bodies and ultrasound is useful only for soft tissue foreign body detection [1]. [...]wooden foreign bodies sometimes go undiagnosed using the standard window and level...
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| Veröffentlicht in: | The American journal of emergency medicine 2016-11, Vol.34 (11), p.2237-2238 |
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| container_title | The American journal of emergency medicine |
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| creator | Kudo, Shunsuke, MD Takei, Tetsuhiro, MD, PhD |
| description | To the Editor, The radiological detection of wooden foreign bodies is difficult, because plain X-rays cannot detect wooden foreign bodies and ultrasound is useful only for soft tissue foreign body detection [1]. [...]wooden foreign bodies sometimes go undiagnosed using the standard window and level settings on CT. Because dry wood is filled with air, the CT number thereof is close to that of air; therefore, when using standard window and level settings (window width, 100 Hounsfield units [HU]; window level, 35 HU), the CT number of wooden foreign bodies is below the range of CT numbers that are displayed on gray-scale, and wooden foreign bodies thus mimic air. |
| doi_str_mv | 10.1016/j.ajem.2016.08.025 |
| format | Article |
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Because dry wood is filled with air, the CT number thereof is close to that of air; therefore, when using standard window and level settings (window width, 100 Hounsfield units [HU]; window level, 35 HU), the CT number of wooden foreign bodies is below the range of CT numbers that are displayed on gray-scale, and wooden foreign bodies thus mimic air.</description><identifier>ISSN: 0735-6757</identifier><identifier>EISSN: 1532-8171</identifier><identifier>DOI: 10.1016/j.ajem.2016.08.025</identifier><identifier>PMID: 27575578</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Child, Preschool ; Computed tomography ; Emergency ; Emergency medical care ; Foreign Bodies - diagnostic imaging ; Fractures ; Humans ; Male ; Nasal Cavity - diagnostic imaging ; Nose ; Tomography, X-Ray Computed - methods ; Wood</subject><ispartof>The American journal of emergency medicine, 2016-11, Vol.34 (11), p.2237-2238</ispartof><rights>2016 Elsevier Inc.</rights><rights>Copyright Elsevier Limited 2016</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c476t-c7fa4404534fab4c70fe8f8777b4f4c0f88d5aac4eec36e76a51f8a73cc8a77c3</citedby><cites>FETCH-LOGICAL-c476t-c7fa4404534fab4c70fe8f8777b4f4c0f88d5aac4eec36e76a51f8a73cc8a77c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0735675716305125$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27575578$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kudo, Shunsuke, MD</creatorcontrib><creatorcontrib>Takei, Tetsuhiro, MD, PhD</creatorcontrib><title>Computed tomography settings for optimal detection of wooden foreign bodies</title><title>The American journal of emergency medicine</title><addtitle>Am J Emerg Med</addtitle><description>To the Editor, The radiological detection of wooden foreign bodies is difficult, because plain X-rays cannot detect wooden foreign bodies and ultrasound is useful only for soft tissue foreign body detection [1]. 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[...]wooden foreign bodies sometimes go undiagnosed using the standard window and level settings on CT. Because dry wood is filled with air, the CT number thereof is close to that of air; therefore, when using standard window and level settings (window width, 100 Hounsfield units [HU]; window level, 35 HU), the CT number of wooden foreign bodies is below the range of CT numbers that are displayed on gray-scale, and wooden foreign bodies thus mimic air.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>27575578</pmid><doi>10.1016/j.ajem.2016.08.025</doi><tpages>2</tpages></addata></record> |
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| identifier | ISSN: 0735-6757 |
| ispartof | The American journal of emergency medicine, 2016-11, Vol.34 (11), p.2237-2238 |
| issn | 0735-6757 1532-8171 |
| language | eng |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Child, Preschool Computed tomography Emergency Emergency medical care Foreign Bodies - diagnostic imaging Fractures Humans Male Nasal Cavity - diagnostic imaging Nose Tomography, X-Ray Computed - methods Wood |
| title | Computed tomography settings for optimal detection of wooden foreign bodies |
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