Fig. 3From: Resection of Kommerell’s diverticulum in an infant with prenatal diagnosis of right aortic archPathological examination of the resected KD. a Low-magnification image showing severe disruption and fragmentation of elastic fibers (white arrowhead) associated with a disarray of smooth muscle cells. b High-magnification image of circled area in a showing the same findings. c High-magnification image of circled area in a showing cystic medial necrosis with mucoid extracellular matrix deposition. a, b Elastica-Masson-Goldner stain. c Alcian blue-Periodic acid-Schiff stain. a Bar = 500 μm. b, c Bar = 100 μmBack to article page