IPLab:Lab 6:PAN

Images

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  This angiogram of the abdominal viscera demonstrates numerous aneurysms throughout the mesenteric circulation (arrows).

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  This angiogram of the liver also demonstrates numerous aneurysms throughout the hepatic circulation (arrows).

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  This angiogram of the kidneys demonstrates numerous aneurysmal dilatations in the renal circulation (arrows).

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  This is a low-power photomicrograph of a mesenteric vessel from this case of polyarteritis nodosa (arrow). The vessel is completely occluded by thrombotic material and the vessel wall is infiltrated with inflammatory cells.

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  This is a higher-power photomicrograph of this mesenteric vessel. Note the thrombotic material occluding the vessel (arrows) and the inflammatory cell infiltrate in the wall of the vessel and in the surrounding adventitia.

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  his is another example of a mesenteric artery from this case. There is a marked inflammatory cell response surrounding this vessel, fresh hemorrhage (1), and thrombotic material (2).

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  This is a high-power photomicrograph of the vessel wall. There is hemorrhage and infiltration with inflammatory cells--primarily neutrophils (arrows).

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  This is a high-power photomicrograph of a small vessel with a rim of fibrinoid necrosis (arrow).

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  This is a low-power photomicrograph of the adrenal gland. There is an area of necrosis in the adrenal (1) and an affected vessel adjacent to the adrenal (2).

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  This is a higher-power photomicrograph of the affected vessel from the previous image. The vessel wall is infiltrated with inflammatory cells and the vessel lumen is completely occluded (arrow).

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  This is a low-power photomicrograph of the heart. There are areas of fibrosis in the myocardium (arrows). Note that the large epicardial coronary artery is normal.

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  This is a higher-power photomicrograph of the affected vessels in the heart (arrows). There are areas of fibrosis (old infarcts) in the myocardium adjacent to these affected vessels.

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  This is a high-power photomicrograph of the affected vessel in the heart. The vessel lumen is completely occluded.