A false aneurysm is the term applied when only the adventitia is present.
Light microscopy showed edema in the arterial wall with local necrosis in the media and adventitia, and dilated lymph vessles and later fibrosis in the adventitia and perivascular tissues.
Results a newly found specific phenomenon in 10 cases that the fungi went throughout the adventitia, media and up to the intima of thick wall vasculum, and then fungous thrombosis might be formed.
