Abstract
The spectrum of causes of hepatic gas detected at computed tomography (CT) and ultrasonography (US) is widening. There are many iatrogenic and noniatrogenic causes of hepatic parenchymal, biliary, hepatic venous, and portal venous gas. Hepatic gas may be an indicator of serious acute disease (infarct, infection, abscess, bowel inflammation, or trauma). In other clinical scenarios, it may be an expected finding related to therapeutic interventions (such as surgery; hepatic artery embolization for a tumor or for active bleeding in acute trauma cases; percutaneous tumor ablation performed with radiofrequency, cryotherapy, laser photocoagulation, or ethanol). In some cases, hepatic gas is an incidental finding of no clinical significance. Familiarity with the expanding list of newer intervention-related causes of hepatic gas detected at CT and US, knowledge of the patient's clinical history, and a careful search for associated clues on images are all factors that may allow the radiologist to better determine the clinical relevance of this finding.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 1403-1413 |
| Number of pages | 11 |
| Journal | Radiographics : a review publication of the Radiological Society of North America, Inc |
| Volume | 31 |
| Issue number | 5 |
| DOIs | |
| State | Published - Sep 2011 |
| Externally published | Yes |
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ASJC Scopus subject areas
- Radiology Nuclear Medicine and imaging
Cite this
Hepatic gas : Widening spectrum of causes detected at CT and US in the interventional era. / Shah, Priti A.; Cunningham, Steven C.; Morgan, Tara A.; Daly, Barry D.
In: Radiographics : a review publication of the Radiological Society of North America, Inc, Vol. 31, No. 5, 09.2011, p. 1403-1413.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Hepatic gas
T2 - Widening spectrum of causes detected at CT and US in the interventional era
AU - Shah, Priti A.
AU - Cunningham, Steven C.
AU - Morgan, Tara A.
AU - Daly, Barry D.
PY - 2011/9
Y1 - 2011/9
N2 - The spectrum of causes of hepatic gas detected at computed tomography (CT) and ultrasonography (US) is widening. There are many iatrogenic and noniatrogenic causes of hepatic parenchymal, biliary, hepatic venous, and portal venous gas. Hepatic gas may be an indicator of serious acute disease (infarct, infection, abscess, bowel inflammation, or trauma). In other clinical scenarios, it may be an expected finding related to therapeutic interventions (such as surgery; hepatic artery embolization for a tumor or for active bleeding in acute trauma cases; percutaneous tumor ablation performed with radiofrequency, cryotherapy, laser photocoagulation, or ethanol). In some cases, hepatic gas is an incidental finding of no clinical significance. Familiarity with the expanding list of newer intervention-related causes of hepatic gas detected at CT and US, knowledge of the patient's clinical history, and a careful search for associated clues on images are all factors that may allow the radiologist to better determine the clinical relevance of this finding.
AB - The spectrum of causes of hepatic gas detected at computed tomography (CT) and ultrasonography (US) is widening. There are many iatrogenic and noniatrogenic causes of hepatic parenchymal, biliary, hepatic venous, and portal venous gas. Hepatic gas may be an indicator of serious acute disease (infarct, infection, abscess, bowel inflammation, or trauma). In other clinical scenarios, it may be an expected finding related to therapeutic interventions (such as surgery; hepatic artery embolization for a tumor or for active bleeding in acute trauma cases; percutaneous tumor ablation performed with radiofrequency, cryotherapy, laser photocoagulation, or ethanol). In some cases, hepatic gas is an incidental finding of no clinical significance. Familiarity with the expanding list of newer intervention-related causes of hepatic gas detected at CT and US, knowledge of the patient's clinical history, and a careful search for associated clues on images are all factors that may allow the radiologist to better determine the clinical relevance of this finding.
UR - http://www.scopus.com/inward/record.url?scp=80052914034&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=80052914034&partnerID=8YFLogxK
U2 - 10.1148/rg.315095108
DO - 10.1148/rg.315095108
M3 - Article
C2 - 21918051
AN - SCOPUS:80052914034
VL - 31
SP - 1403
EP - 1413
JO - Radiographics
JF - Radiographics
SN - 0271-5333
IS - 5
ER -