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descDate Name Thumbnail Size User Description Versions
12:55, 31 October 2016IPLab1Tuberculosis8b.jpg (file)246 KBPeter AndersonThis is a high-power photomicrograph of Langhans-type multinucleated giant cells (arrows) that are characteristic of tuberculous granulomas. Note the ring of the nuclei in these giant cells.1
12:42, 31 October 2016IPLab1Tuberculosis8.jpg (file)246 KBPeter Anderson 1
16:27, 4 September 2013IPLab2Hypertrophy4.jpg (file)125 KBPeter Anderson 2
16:26, 4 September 2013IPLab2Hypertrophy3.jpg (file)163 KBPeter Anderson 2
16:24, 4 September 2013IPLab2Hypertrophy2.jpg (file)204 KBPeter Anderson 2
14:43, 20 August 2013IPLab6GN1.jpg (file)72 KBPeter AndersonThis is a low-power photomicrograph of a saggital section of end stage chronic glomerulonephritis (GN). Note the marked thinning of the cortex (arrow).1
14:30, 20 August 2013IPLab6GN10.jpg (file)29 KBPeter AndersonFor comparison this is an immunofluorescent photomicrograph of a glomerulus from a patient with Goodpasture's syndrome. The linear (arrows) immunofluorescence is characteristic of Goodpasture's syndrome.1
14:30, 20 August 2013IPLab6GN9.jpg (file)74 KBPeter AndersonThis electron micrograph demonstrates scattered subepithelial dense deposits (arrows) and a polymorphonuclear leukocyte in the lumen.1
14:30, 20 August 2013IPLab6GN8.jpg (file)31 KBPeter AndersonThis immunofluorescent photomicrograph of a glomerulus from a case of acute poststreptococcal glomerulonephritis shows a granular immunofluorescence pattern consistent with immune complex disease. The primary antibody used for this staining was specifi...1
14:29, 20 August 2013IPLab6GN7.jpg (file)62 KBPeter AndersonThis is a photomicrograph of a glomerulus from another case with acute poststreptococcal glomerulonephritis. In this case the immune complex glomerular disease is ongoing with necrosis and accumulation of neutrophils in the glomerulus.1
14:29, 20 August 2013IPLab6GN6.jpg (file)66 KBPeter AndersonThis is an electron micrograph of subepithelial granular electron dense deposits (arrows) which correspond to the granular immunofluorescence seen in the previous image.1
14:28, 20 August 2013IPLab6GN5.jpg (file)30 KBPeter AndersonThis is an immunofluorescent photomicrograph of granular membranous immunofluorescence (immune complex disease). The antibody used for these studies was specific for IgG.1
14:28, 20 August 2013IPLab6GN4.jpg (file)87 KBPeter AndersonThis is a photomicrograph of interstitial and vascular lesions in end stage renal disease.1
14:27, 20 August 2013IPLab6GN3.jpg (file)71 KBPeter AndersonThis is a higher-power photomicrograph of hyalinized glomeruli (1) and glomeruli with thickened basement membranes (2).1
14:27, 20 August 2013IPLab6GN2.jpg (file)103 KBPeter AndersonThis is a higher-power photomicrograph of hyalinized glomeruli (arrows) and glomeruli with thick basement membranes.1
14:14, 20 August 2013IPLab6TB6.jpg (file)37 KBPeter AndersonThis is a high-power (oil immersion) photomicrograph of granuloma stained with an acid-fast stain. Mycobacterium tuberculosis bacilli stain red.1
14:13, 20 August 2013IPLab6TB5.jpg (file)194 KBPeter AndersonHigh-power photomicrograph of a TB granuloma with multinucleated giant cells adjacent to an area of caseous necrosis (to the left).1
14:11, 20 August 2013IPLab6TB4.jpg (file)68 KBPeter AndersonThis is a higher-power photomicrograph of a TB granuloma. The area of caseous necrosis is on the left side of the image, there are multinucleated giant cells and epithelioid macrophages throughout the remainder of the tissue.1
14:10, 20 August 2013IPLab6TB3.jpg (file)72 KBPeter AndersonThis is a higher-power photomicrograph of a TB granuloma. Note the eosinophilic material in the center of this granuloma (caseous necrosis) and the epithelioid macrophages and giant cells around the periphery.1
14:10, 20 August 2013IPLab6TB2.jpg (file)36 KBPeter AndersonThis is a low-power photomicrograph of lung tissue with multiple circumscribed nodules - granulomas (arrows).1
14:10, 20 August 2013IPLab6TB1.jpg (file)63 KBPeter AndersonThis is a photograph of a section of lung with an apical lesion. This lesion represents an old healed lesion from Mycobacterium tuberculosis infection.1
13:59, 20 August 2013IPLab6Scleroderma5.jpg (file)19 KBPeter AndersonThis is a gross photograph of the heart from this case. There is thickening of the left ventricular wall and some thickening of the right ventricle as well.1
13:59, 20 August 2013IPLab6Scleroderma4.jpg (file)65 KBPeter AndersonThis is a closer view of the cut section of lung from this patient showing the extensive fibrosis and the severe emphysematous change.1
13:58, 20 August 2013IPLab6Scleroderma3.jpg (file)64 KBPeter AndersonThis is a closer view of the cut section of lung from this patient. Note the extensive fibrosis and the severe emphysematous changes.1
13:58, 20 August 2013IPLab6Scleroderma2.jpg (file)43 KBPeter AndersonThis is a gross photograph of a cut section of one lung from this patient. Note the extensive fibrosis lower lobe (arrows).1
13:57, 20 August 2013IPLab6Scleroderma1.jpg (file)49 KBPeter AndersonThis is a gross photograph of cut section of the lungs from this patient. Note the extensive fibrosis of the lung parenchyma.1
12:00, 20 August 2013IPLab6PAN13.jpg (file)85 KBPeter AndersonThis is a high-power photomicrograph of the affected vessel in the heart. The vessel lumen is completely occluded.1
12:00, 20 August 2013IPLab6PAN12.jpg (file)88 KBPeter AndersonThis 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.1
11:59, 20 August 2013IPLab6PAN11.jpg (file)69 KBPeter AndersonThis 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.1
11:59, 20 August 2013IPLab6PAN10.jpg (file)76 KBPeter AndersonThis 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).1
11:58, 20 August 2013IPLab6PAN9.jpg (file)53 KBPeter AndersonThis 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).1
11:58, 20 August 2013IPLab6PAN8.jpg (file)86 KBPeter AndersonThis is a high-power photomicrograph of a small vessel with a rim of fibrinoid necrosis (arrow).1
11:57, 20 August 2013IPLab6PAN7.jpg (file)67 KBPeter AndersonThis is a high-power photomicrograph of the vessel wall. There is hemorrhage and infiltration with inflammatory cells--primarily neutrophils (arrows).1
11:57, 20 August 2013IPLab6PAN6.jpg (file)50 KBPeter Andersonhis 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).1
11:56, 20 August 2013IPLab6PAN5.jpg (file)79 KBPeter AndersonThis 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.1
11:56, 20 August 2013IPLab6PAN4.jpg (file)51 KBPeter AndersonThis 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.1
11:56, 20 August 2013IPLab6PAN3.jpg (file)36 KBPeter AndersonThis angiogram of the kidneys demonstrates numerous aneurysmal dilatations in the renal circulation (arrows).1
11:55, 20 August 2013IPLab6PAN2.jpg (file)36 KBPeter AndersonThis angiogram of the liver also demonstrates numerous aneurysms throughout the hepatic circulation (arrows).1
11:55, 20 August 2013IPLab6PAN1.jpg (file)36 KBPeter AndersonThis angiogram of the abdominal viscera demonstrates numerous aneurysms throughout the mesenteric circulation (arrows).1
11:47, 20 August 2013IPLab6Hashimoto9.jpg (file)111 KBPeter AndersonThis high-power photomicrograph shows more clearly the lymphocytes and plasma cells surrounding the thyroid gland epithelium. Large, eosinophilic, degenerating thyroid gland cells (Hurthle cells) can be seen in this section (arrows).1
11:47, 20 August 2013IPLab6Hashimoto8.jpg (file)94 KBPeter AndersonThis is a high-power photomicrograph showing the lymphocytes and plasma cells surrounding the thyroid gland epithelium.1
11:46, 20 August 2013IPLab6Hashimoto7.jpg (file)87 KBPeter AndersonThis is a high-power photomicrograph showing the inflammatory cells infiltrating into the residual thyroid tissue (arrows).1
11:46, 20 August 2013IPLab6Hashimoto6.jpg (file)75 KBPeter AndersonThis is another higher-power photomicrograph of thyroid from this case showing the inflammatory cells and the residual thyroid tissue.1
11:44, 20 August 2013IPLab6Hashimoto5.jpg (file)76 KBPeter AndersonThis is a higher-power photomicrograph of thyroid from this case showing the inflammatory cells and the residual thyroid tissue.1
11:43, 20 August 2013IPLab6Hashimoto4.jpg (file)58 KBPeter AndersonThis is another view of thyroid gland filled with inflammatory cells forming germinal centers (arrows).1
11:43, 20 August 2013IPLab6Hashimoto3.jpg (file)55 KBPeter AndersonThis is a higher-power photomicrograph of thyroid from this case. Note the large number of blue-staining inflammatory cells in this tissue. These cells appear to be forming germinal centers. Some residual thyroid gland tissue can be seen in this sectio...1
11:42, 20 August 2013IPLab6Hashimoto2.jpg (file)27 KBPeter AndersonThis is a low-power photomicrograph of thyroid from this case. Note that the tissue is more cellular than one would expect and there does not appear to be normal colloid-filled blue spaces in this gland.1
11:42, 20 August 2013IPLab6Hashimoto1.jpg (file)20 KBPeter AndersonThis is a gross photograph of thyroid gland taken at autopsy. The gland is only slightly enlarged and has a firm texture.1
09:29, 20 August 2013IPLab5DM7.jpg (file)66 KBPeter AndersonThis is a photomicrograph of kidney with a focal exudative lesion in a glomerulus (arrow) and sclerosis, interstitial fibrosis, and congestion.1
09:28, 20 August 2013IPLab5DM6.jpg (file)56 KBPeter AndersonThis is a higher-power photomicrograph of a glomerulus with nodular glomerulosclerosis (arrows). These are the classic Kimmelstiel-Wilson lesions ("K-W lesions") seen in diabetics with nodular glomerulosclerosis.1

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