Primary OI refers to vascular compromise of omentum ± torsion
Secondary OI may result from torsion due to attachment from surgical scar or neoplasm, trauma, or hernial incarceration
IMAGING
General Features
Imaging Recommendations
CT Findings
Ultrasonographic Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Staging, Grading, & Classification
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
Selected References
Kamr WH et al: Multislice computed tomography evaluation of primary abdominal fat necrosis: a rare cause of acute abdominal pain. Pol J Radiol. 84:e389-96, 2019
Mani VR et al: Omental Infarction with acute appendicitis in an overweight young female: a rare presentation. Case Rep Surg. 2019:8053931, 2019
Tonerini M et al: Omental infarction and its mimics: imaging features of acute abdominal conditions presenting with fat stranding greater than the degree of bowel wall thickening. Emerg Radiol. 22(4):431-6, 2015
Barai KP et al: Diagnosis and management of idiopathic omental infarction: A case report. Int J Surg Case Rep. 2(6):138-40, 2011
Yoo E et al: Greater and lesser omenta: normal anatomy and pathologic processes. Radiographics. 27(3):707-20, 2007
Bachar GN et al: Sonographic diagnosis of right segmental omental infarction. J Clin Ultrasound. 33(2):76-9, 2005
Baldisserotto M et al: Omental infarction in children: color Doppler sonography correlated with surgery and pathology findings. AJR Am J Roentgenol. 184(1):156-62, 2005
Singh AK et al. Acute epiploic appendagitis and its mimics. Radiographics. 25(6): 1521-34, 2005
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TERMINOLOGY
Abbreviations
Omental infarction (OI)
Definitions
Primary OI refers to vascular compromise of omentum ± torsion
Secondary OI may result from torsion due to attachment from surgical scar or neoplasm, trauma, or hernial incarceration
IMAGING
General Features
Imaging Recommendations
CT Findings
Ultrasonographic Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Staging, Grading, & Classification
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
Selected References
Kamr WH et al: Multislice computed tomography evaluation of primary abdominal fat necrosis: a rare cause of acute abdominal pain. Pol J Radiol. 84:e389-96, 2019
Mani VR et al: Omental Infarction with acute appendicitis in an overweight young female: a rare presentation. Case Rep Surg. 2019:8053931, 2019
Tonerini M et al: Omental infarction and its mimics: imaging features of acute abdominal conditions presenting with fat stranding greater than the degree of bowel wall thickening. Emerg Radiol. 22(4):431-6, 2015
Barai KP et al: Diagnosis and management of idiopathic omental infarction: A case report. Int J Surg Case Rep. 2(6):138-40, 2011
Yoo E et al: Greater and lesser omenta: normal anatomy and pathologic processes. Radiographics. 27(3):707-20, 2007
Bachar GN et al: Sonographic diagnosis of right segmental omental infarction. J Clin Ultrasound. 33(2):76-9, 2005
Baldisserotto M et al: Omental infarction in children: color Doppler sonography correlated with surgery and pathology findings. AJR Am J Roentgenol. 184(1):156-62, 2005
Singh AK et al. Acute epiploic appendagitis and its mimics. Radiographics. 25(6): 1521-34, 2005
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