Pigs-in-a-blanket sign refers to the CT appearance of coronary pseudotumors, which are observed in IgG4-related coronary periarteritis. This appears as a soft tissue mass surrounding the involved segment of the coronary artery.
- 1. Urabe Y, Fujii T, Kurushima S, Tsujiyama S, Kihara Y. Pigs-in-a-blanket coronary arteries: a case of immunoglobulin G4-related coronary periarteritis assessed by computed tomography coronary angiography, intravascular ultrasound, and positron emission tomography. (2012) Circulation. Cardiovascular imaging. 5 (5): 685-7. doi:10.1161/CIRCIMAGING.112.975946 - Pubmed
- 2. Rokutanda R, Nishihata Y, Okada M. IgG4-related Pericoronary Arteritis. (2017) The Journal of rheumatology. 44 (10): 1509-1510. doi:10.3899/jrheum.170262 - Pubmed
- 3. Oyama-Manabe N, Yabusaki S, Manabe O, Kato F, Kanno-Okada H, Kudo K. IgG4-related Cardiovascular Disease from the Aorta to the Coronary Arteries: Multidetector CT and PET/CT. (2018) Radiographics : a review publication of the Radiological Society of North America, Inc. 38 (7): 1934-1948. doi:10.1148/rg.2018180049 - Pubmed