Fig. 2From: Femoral artery aneurysm with large hematoma from Pasteurella: case report and literature reviewHistology of resected aneurysmal tissue. Hematoxylin and eosin stain of the excised aneurysmal tissue revealed bacterial colonies in the vascular wall tissue at (40Ă— magnification) (A). The bacterial colonies are better seen at a higher power (400Ă— magnification) (B). Gram stain of the tissue shows gram-negative bacteria (C)Back to article page