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Date Name Thumbnail Size Description Versions
18:55, 31 October 2016 IPLab1Tuberculosis8b.jpg (file) 246 KB This 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
18:42, 31 October 2016 IPLab1Tuberculosis8.jpg (file) 246 KB   1
22:27, 4 September 2013 IPLab2Hypertrophy4.jpg (file) 125 KB   2
22:26, 4 September 2013 IPLab2Hypertrophy3.jpg (file) 163 KB   2
22:24, 4 September 2013 IPLab2Hypertrophy2.jpg (file) 204 KB   2
20:43, 20 August 2013 IPLab6GN1.jpg (file) 72 KB This is a low-power photomicrograph of a saggital section of end stage chronic glomerulonephritis (GN). Note the marked thinning of the cortex (arrow). 1
20:30, 20 August 2013 IPLab6GN10.jpg (file) 29 KB For 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
20:30, 20 August 2013 IPLab6GN9.jpg (file) 74 KB This electron micrograph demonstrates scattered subepithelial dense deposits (arrows) and a polymorphonuclear leukocyte in the lumen. 1
20:30, 20 August 2013 IPLab6GN8.jpg (file) 31 KB This 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
20:29, 20 August 2013 IPLab6GN7.jpg (file) 62 KB This 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
20:29, 20 August 2013 IPLab6GN6.jpg (file) 66 KB This is an electron micrograph of subepithelial granular electron dense deposits (arrows) which correspond to the granular immunofluorescence seen in the previous image. 1
20:28, 20 August 2013 IPLab6GN5.jpg (file) 30 KB This is an immunofluorescent photomicrograph of granular membranous immunofluorescence (immune complex disease). The antibody used for these studies was specific for IgG. 1
20:28, 20 August 2013 IPLab6GN4.jpg (file) 87 KB This is a photomicrograph of interstitial and vascular lesions in end stage renal disease. 1
20:27, 20 August 2013 IPLab6GN3.jpg (file) 71 KB This is a higher-power photomicrograph of hyalinized glomeruli (1) and glomeruli with thickened basement membranes (2). 1
20:27, 20 August 2013 IPLab6GN2.jpg (file) 103 KB This is a higher-power photomicrograph of hyalinized glomeruli (arrows) and glomeruli with thick basement membranes. 1
20:14, 20 August 2013 IPLab6TB6.jpg (file) 37 KB This is a high-power (oil immersion) photomicrograph of granuloma stained with an acid-fast stain. Mycobacterium tuberculosis bacilli stain red. 1
20:13, 20 August 2013 IPLab6TB5.jpg (file) 194 KB High-power photomicrograph of a TB granuloma with multinucleated giant cells adjacent to an area of caseous necrosis (to the left). 1
20:11, 20 August 2013 IPLab6TB4.jpg (file) 68 KB This 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
20:10, 20 August 2013 IPLab6TB3.jpg (file) 72 KB This 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
20:10, 20 August 2013 IPLab6TB2.jpg (file) 36 KB This is a low-power photomicrograph of lung tissue with multiple circumscribed nodules - granulomas (arrows). 1
20:10, 20 August 2013 IPLab6TB1.jpg (file) 63 KB This is a photograph of a section of lung with an apical lesion. This lesion represents an old healed lesion from Mycobacterium tuberculosis infection. 1
19:59, 20 August 2013 IPLab6Scleroderma5.jpg (file) 19 KB This 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
19:59, 20 August 2013 IPLab6Scleroderma4.jpg (file) 65 KB This is a closer view of the cut section of lung from this patient showing the extensive fibrosis and the severe emphysematous change. 1
19:58, 20 August 2013 IPLab6Scleroderma3.jpg (file) 64 KB This is a closer view of the cut section of lung from this patient. Note the extensive fibrosis and the severe emphysematous changes. 1
19:58, 20 August 2013 IPLab6Scleroderma2.jpg (file) 43 KB This is a gross photograph of a cut section of one lung from this patient. Note the extensive fibrosis lower lobe (arrows). 1
19:57, 20 August 2013 IPLab6Scleroderma1.jpg (file) 49 KB This is a gross photograph of cut section of the lungs from this patient. Note the extensive fibrosis of the lung parenchyma. 1
18:00, 20 August 2013 IPLab6PAN13.jpg (file) 85 KB This is a high-power photomicrograph of the affected vessel in the heart. The vessel lumen is completely occluded. 1
18:00, 20 August 2013 IPLab6PAN12.jpg (file) 88 KB 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. 1
17:59, 20 August 2013 IPLab6PAN11.jpg (file) 69 KB 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. 1
17:59, 20 August 2013 IPLab6PAN10.jpg (file) 76 KB 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). 1
17:58, 20 August 2013 IPLab6PAN9.jpg (file) 53 KB 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). 1
17:58, 20 August 2013 IPLab6PAN8.jpg (file) 86 KB This is a high-power photomicrograph of a small vessel with a rim of fibrinoid necrosis (arrow). 1
17:57, 20 August 2013 IPLab6PAN7.jpg (file) 67 KB This is a high-power photomicrograph of the vessel wall. There is hemorrhage and infiltration with inflammatory cells--primarily neutrophils (arrows). 1
17:57, 20 August 2013 IPLab6PAN6.jpg (file) 50 KB 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). 1
17:56, 20 August 2013 IPLab6PAN5.jpg (file) 79 KB 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. 1
17:56, 20 August 2013 IPLab6PAN4.jpg (file) 51 KB 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. 1
17:56, 20 August 2013 IPLab6PAN3.jpg (file) 36 KB This angiogram of the kidneys demonstrates numerous aneurysmal dilatations in the renal circulation (arrows). 1
17:55, 20 August 2013 IPLab6PAN2.jpg (file) 36 KB This angiogram of the liver also demonstrates numerous aneurysms throughout the hepatic circulation (arrows). 1
17:55, 20 August 2013 IPLab6PAN1.jpg (file) 36 KB This angiogram of the abdominal viscera demonstrates numerous aneurysms throughout the mesenteric circulation (arrows). 1
17:47, 20 August 2013 IPLab6Hashimoto9.jpg (file) 111 KB This 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
17:47, 20 August 2013 IPLab6Hashimoto8.jpg (file) 94 KB This is a high-power photomicrograph showing the lymphocytes and plasma cells surrounding the thyroid gland epithelium. 1
17:46, 20 August 2013 IPLab6Hashimoto7.jpg (file) 87 KB This is a high-power photomicrograph showing the inflammatory cells infiltrating into the residual thyroid tissue (arrows). 1
17:46, 20 August 2013 IPLab6Hashimoto6.jpg (file) 75 KB This is another higher-power photomicrograph of thyroid from this case showing the inflammatory cells and the residual thyroid tissue. 1
17:44, 20 August 2013 IPLab6Hashimoto5.jpg (file) 76 KB This is a higher-power photomicrograph of thyroid from this case showing the inflammatory cells and the residual thyroid tissue. 1
17:43, 20 August 2013 IPLab6Hashimoto4.jpg (file) 58 KB This is another view of thyroid gland filled with inflammatory cells forming germinal centers (arrows). 1
17:43, 20 August 2013 IPLab6Hashimoto3.jpg (file) 55 KB This 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
17:42, 20 August 2013 IPLab6Hashimoto2.jpg (file) 27 KB This 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
17:42, 20 August 2013 IPLab6Hashimoto1.jpg (file) 20 KB This is a gross photograph of thyroid gland taken at autopsy. The gland is only slightly enlarged and has a firm texture. 1
15:29, 20 August 2013 IPLab5DM7.jpg (file) 66 KB This is a photomicrograph of kidney with a focal exudative lesion in a glomerulus (arrow) and sclerosis, interstitial fibrosis, and congestion. 1
15:28, 20 August 2013 IPLab5DM6.jpg (file) 56 KB This 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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