What is the 'text book' demographics of the patient and cause of epiploic appendagitis?
Unaccustomed exercise in a middle aged obese male
What is the most common appearance of epiploic appendagitis on CT?
A fat density oval lesion < 5 cm in diameter, abutting the anterior colonic wall, with associated localised inflammatory change.
What are the differentials of an inflammatory fatty lesion in a patient with an acute abdomen includes?
(i) acute epiploic appendagitis; (ii) acute omental infarction; (iii) diverticulitis, (iv) sclerosing mesenteries; (v) malignant process involving the mesocolon.
In spontaneous epiploic appendagitis due to venous infarction from thrombosis, which additional CT feature may be present?
A central area of high density, within the oval fat density lesion, representing thrombus.
Inflammatory fat stranding in the region of the anterior caecum/ascending colon, just superior to the ileocaecal valve is apparent. Reactive localised lymphadenopathy is present. No abdominopelvic free gas or free fluid. Normal calibre small and large bowel. Normal appearance of the vermiform appendix. Overall appearances are consistent with spontaneous epiploic appendagitis.