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Omental and Epiploic Conditions
Research Guide
What is Omental and Epiploic Conditions?
Omental and epiploic conditions are pathologies affecting the greater omentum and epiploic appendages, including omental infarction, epiploic appendagitis, and related mimicking disorders characterized by acute abdominal pain and diagnosed primarily via CT imaging.
This field encompasses 8,330 papers on omental infarction, epiploic appendagitis, and their mimics, with discussions on CT diagnosis, pediatric clinical features, and surgical or conservative management. "CT Evaluation of the Colon: Inflammatory Disease" by Horton et al. (2000) describes a 1-4-cm oval fatty pericolic lesion with surrounding inflammation as diagnostic of epiploic appendagitis. "Acute Epiploic Appendagitis and Its Mimics" by Singh et al. (2005) notes that acute epiploic appendagitis presents with lower quadrant pain mimicking diverticulitis or appendicitis, with CT distinguishing it from omental infarction.
Topic Hierarchy
Research Sub-Topics
Omental Infarction CT Diagnosis
This sub-topic details radiologic signs like fat stranding and whorled appearance on CT for omental infarction. Studies compare diagnostic accuracy with clinical findings.
Epiploic Appendagitis Imaging Features
Researchers characterize central dot sign, oval shape, and hyperattenuation on CT/MRI for epiploic appendagitis. Mimicry of diverticulitis and appendicitis is analyzed.
Conservative Management of Omental Pathologies
Studies evaluate anti-inflammatory therapy, pain control, and observation outcomes for omental infarction and epiploic appendagitis. Success rates and recurrence are tracked.
Pediatric Omental and Epiploic Conditions
This area covers clinical presentations, CT utilization, and management in children with omental torsion or epiploic appendagitis. Age-specific diagnostic challenges are addressed.
Surgical Management of Primary Omental Torsion
Research reviews laparoscopy vs. laparotomy, omentectomy techniques, and postoperative outcomes for primary omental torsion. Complication rates are compared.
Why It Matters
Omental and epiploic conditions cause acute abdominal pain that mimics more serious disorders like diverticulitis or appendicitis, enabling conservative management when diagnosed accurately via CT to avoid unnecessary surgery. "CT Evaluation of the Colon: Inflammatory Disease" by Horton et al. (2000) identifies a 1-4-cm oval fatty pericolic lesion with mesenteric inflammation as diagnostic for epiploic appendagitis, supporting non-operative treatment. "Acute Epiploic Appendagitis and Its Mimics" by Singh et al. (2005) details how CT differentiates epiploic appendagitis from omental infarction and other mimics, reducing surgical interventions in emergency settings.
Reading Guide
Where to Start
"Acute Epiploic Appendagitis and Its Mimics" by Singh et al. (2005) is the first paper to read because it provides a clear CT-based overview of epiploic appendagitis, omental infarction, and differentials with 327 citations.
Key Papers Explained
Singh et al. (2005) in "Acute Epiploic Appendagitis and Its Mimics" builds the foundation by detailing CT features of epiploic appendagitis and omental infarction as mimics. Horton et al. (2000) in "CT Evaluation of the Colon: Inflammatory Disease" complements this with specific imaging signs like 1-4-cm fatty lesions, cited 437 times. Sugarbaker (1995) in "Peritonectomy Procedures" extends to omental roles in peritoneal disease management, connecting anatomy to surgical contexts with 1507 citations.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Research emphasizes CT differentiation of acute conditions for conservative treatment, as seen in top papers. No recent preprints or news indicate focus remains on imaging accuracy and management protocols from established works like Singh et al. (2005).
Papers at a Glance
| # | Paper | Year | Venue | Citations | Open Access |
|---|---|---|---|---|---|
| 1 | Peritonectomy Procedures | 1995 | Annals of Surgery | 1.5K | ✕ |
| 2 | Omental and Subcutaneous Adipose Tissues of Obese Subjects Rel... | 1998 | The Journal of Clinica... | 1.1K | ✕ |
| 3 | Treatment of perforated diverticular disease of the colon. | 1978 | PubMed | 996 | ✕ |
| 4 | Contemporary management of acute mesenteric ischemia: Factors ... | 2002 | Journal of Vascular Su... | 455 | ✓ |
| 5 | CT Evaluation of the Colon: Inflammatory Disease | 2000 | Radiographics | 437 | ✕ |
| 6 | The epidemiology of endometriosis | 2003 | Obstetrics and Gynecol... | 375 | ✕ |
| 7 | On Perforating Inflammation of the Vermiform Appendix with Spe... | 1935 | New England Journal of... | 369 | ✕ |
| 8 | Vascular Endothelial Growth Factor Is the Major Angiogenic Fac... | 1997 | Journal of Surgical Re... | 362 | ✓ |
| 9 | Evaluation of Preoperative Computed Tomography in Estimating P... | 2008 | Annals of Surgical Onc... | 358 | ✕ |
| 10 | Acute Epiploic Appendagitis and Its Mimics | 2005 | Radiographics | 327 | ✕ |
Latest Developments
Recent research, as of February 2026, indicates ongoing interest in epiploic appendagitis and omental infarction, with studies highlighting their diagnostic challenges and potential management strategies, including conservative and surgical options (PMC.ncbi.nlm.nih.gov, Cureus, Radiopaedia, ScienceDirect).
Sources
Frequently Asked Questions
What is epiploic appendagitis?
Epiploic appendagitis is inflammation of the epiploic appendages on the colon, manifesting as acute lower quadrant pain. Horton et al. (2000) in "CT Evaluation of the Colon: Inflammatory Disease" describe it on CT as a 1-4-cm oval fatty pericolic lesion with surrounding mesenteric inflammation. It mimics diverticulitis but often resolves with conservative treatment.
How does CT diagnose omental and epiploic conditions?
CT imaging detects characteristic features like oval fatty lesions for epiploic appendagitis and wedge-shaped fat stranding for omental infarction. "Acute Epiploic Appendagitis and Its Mimics" by Singh et al. (2005) explains that CT differentiates these from diverticulitis or appendicitis based on central fat density and hyperattenuating rims. Accurate CT findings guide conservative over surgical management.
What are common mimics of epiploic appendagitis?
Mimics include omental infarction, diverticulitis, and appendicitis, sharing acute abdominal pain. Singh et al. (2005) in "Acute Epiploic Appendagitis and Its Mimics" state that omental infarction shows broader fat stranding on CT compared to the localized lesion of epiploic appendagitis. Distinction prevents misdiagnosis leading to surgery.
What is the management for omental infarction?
Management is often conservative with pain control, as many cases resolve without surgery. The cluster description notes surgical and conservative approaches for omental pathologies. Singh et al. (2005) highlight CT's role in identifying benign mimics like omental infarction to support non-operative care.
How do these conditions present in pediatric patients?
Pediatric presentations involve acute abdominal pain from omental infarction or epiploic appendagitis. The topic cluster discusses clinical manifestations in children, emphasizing CT diagnosis. Accurate imaging avoids exploratory surgery in young patients.
Open Research Questions
- ? How can CT protocols be refined to improve specificity in distinguishing omental infarction from epiploic appendagitis?
- ? What are the long-term outcomes of conservative versus surgical management in pediatric omental conditions?
- ? Which anatomical variations in the omentum predispose to infarction or appendagitis?
- ? How do inflammatory biomarkers aid in early diagnosis before CT confirmation?
- ? What role does the omentum's vascular supply play in pathogenesis of these acute conditions?
Recent Trends
The field includes 8,330 works with no reported 5-year growth rate; top papers like "Acute Epiploic Appendagitis and Its Mimics" by Singh et al. (2005, 327 citations) and "CT Evaluation of the Colon: Inflammatory Disease" by Horton et al. (2000, 437 citations) sustain emphasis on CT diagnosis.
No recent preprints or news coverage in the last 12 months suggests steady reliance on imaging for distinguishing omental infarction from epiploic appendagitis.
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