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→Choice of modality: Formatting
===Choice of modality===
*'''[[Ultrasonography of muscular hematoma]]''' is generally the initial choice in younger patients to confirm a strongly suspected hematoma.
*'''[[CT of muscular hematoma]]''' is generally the initial choice in acute [[abdominal pain]]. For follow-up of a known muscular hematoma, it is sufficient to perform CT without [[Contrast CT|IV contrast]].<ref group=notes>A [[contrast CT]] can detect extravasation of contrast material, but this does not seem to be correlated to clinical severity, as evidenced from rectus sheath and iliopsoas hematomas.<sup>A</sup><br>If detection of contrast extravasation or active bleeding is specifically requested, the arterial phase is preferred.<sup>B</sup><P>A. - {{cite journal|last1=Landecy|first1=Marie|last2=Paquette|first2=Brice|last3=Revel|first3=Lucie|last4=Behr|first4=Julien|last5=Badet|first5=Nicolas|last6=Delabrousse|first6=Eric|title=Does IV contrast extravasation on CT in anticoagulant-related rectus sheath and iliopsoas hematoma predict hematoma expansion and patient outcomes?|journal=Abdominal Radiology|volume=41|issue=11|year=2016|pages=2241–2247|issn=2366-004X|doi=10.1007/s00261-016-0818-4}}<br/ref> If detection of contrast extravasation or active bleeding is specifically requested, the arterial phase is preferred.<ref>{{cite journal|author=B. Lee DE, Ahn JY, Moon S|url=http://www.jksem.org/upload/pdf/jksem-28-4-391.pdf|year=2017|title=A Case of Rectus Sheath Hematoma with Spontaneous Inferior Epigastric Artery Injury Treated Successfully by Angio-embolization|journal=jksem|volume=28|issue=4}}</ref>
*In suspected bone fracture, '''[[X-ray of fractures]]''' is generally the initial choice.<noinclude>
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