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(newest | oldest) View (newer 100 | older 100) (20 | 50 | 100 | 250 | 500)- 21:35, 20 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6Amyloid6.jpg (This is a low-power photomicrograph of liver tissue stained with Congo red (orange color in slide). Congo red reacts with amyloid and gives it an orange color (arrows).)
- 21:34, 20 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6Amyloid5.jpg (This is a higher-power photomicrograph showing the amyloid deposits (1) between hepatocytes (2).)
- 21:34, 20 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6Amyloid4.jpg (This is a low-power photomicrograph of liver tissue from this case. Note the eosinophilic hyaline material (1) present within and between the hepatic tissue (2). There is marked distortion of lobular architecture by the amyloid.)
- 21:34, 20 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6Amyloid3.jpg (This is a closer view of the cut surface of this liver. The pale waxy material can be seen within the hepatic tissue (arrows).)
- 21:33, 20 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6Amyloid2.jpg (This is a gross picture of the cut surface of the liver from this case. The liver tissue is firm and has a waxy appearance--although this is difficult to appreciate in an image.)
- 21:33, 20 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6Amyloid1.jpg (This is a gross picture of liver from this case. Note the pale, swollen appearance of this liver.)
- 20:25, 20 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6SenileAmyloidosis5.jpg (This is a special stain for amyloid (Luxol PAS) demonstrating the amyloid (1) and fibrosis (2) in the myocardium. The amyloid is darker purple/magenta and tends to be more amorphous. The fibrosis is pink and more fibrillar.)
- 20:25, 20 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6SenileAmyloidosis4.jpg (This is a higher-power photomicrograph of extracellular amyloid (1) and deposition of amyloid in the vessel wall (2).)
- 20:24, 20 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6SenileAmyloidosis3.jpg (This is a higher-power photomicrograph of the heart tissue from this case. Note the amyloid deposition throughout the myocardium (1) as well as deposition in the wall of the blood vessel (2).)
- 20:24, 20 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6SenileAmyloidosis2.jpg (This is a low power photomicrograph of the heart tissue from this case. At this magnification the structure looks relatively normal.)
- 20:24, 20 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6SenileAmyloidosis1.jpg (This is a gross photograph of section of heart tissue from this case. The tissue was firm and had a waxy texture. If you use your imagination you can see pale yellow areas within this tissue which represent the amyloid deposits.)
- 18:29, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab5Downs6.jpg (This is a karyotype of a patient with Turner syndrome (45, X).)
- 18:28, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab5Downs5.jpg (This is a karyotype of a patient with Klinefelter syndrome (47, XXY).)
- 18:28, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab5Downs4.jpg (FISH is also useful in the diagnosis of other genetic disorders. This is an example of FISH staining on another patient using a probe specific for DiGeorge's disease. The arrow shows that there is a deletion on chromosome 22, which is diagnostic for Di...)
- 18:28, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab5Downs3.jpg (Chromosomes from the chromosome spread are lined up to demonstrate the karyotype. In this case there are three copies of chromosome 21, just as noted in the FISH.)
- 18:27, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab5Downs2.jpg (These cells, obtained by amniocentesis, were cultured and then arrested in metaphase. Nuclei from these cells were isolated and stained to demonstrate the banding pattern of each chromosome. This photograph shows a "chromosome spread." Each chromosome ...)
- 18:27, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab5Downs1.jpg (This is a photomicrograph of cells obtained by amniocentesis that were stained using FISH. The cell in panel 1 was stained with markers specific for the X and Y-chromosomes. The cell in panel 2 was stained with a marker specific for chromosome 18. The ...)
- 18:23, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6GravesDisease7.jpg (Closer view of cut surface of the thyroid with nodular goiter. Note the multilobular appearance of the tissue.)
- 18:23, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6GravesDisease6.jpg (This is a gross photograph of a thyroid from a case of nodular goiter.)
- 18:23, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6GravesDisease5.jpg (This is a high-power photomicrograph of thyroid. Note the papillary projections and the moth-eaten appearance of the colloid. This appearance indicates active absorption of the colloid to form thyroglobulin.)
- 18:22, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6GravesDisease4.jpg (This is a high-power photomicrograph of thyroid. Note the cellularity of the tissue with marked infolding of the epithelial tissue.)
- 18:22, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6GravesDisease3.jpg (This is a higher-power photomicrograph of thyroid. The tissue is very cellular and there is little colloid.)
- 18:22, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6GravesDisease2.jpg (This is a low-power photomicrograph of thyroid tissue from this case. The tissue is very cellular with very little colloid.)
- 18:21, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6GravesDisease1.jpg (This is a photograph of the thyroid from this case. Note that the gland is enlarged and is dark red.)
- 18:09, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6RA10.jpg (This is a high-power photomicrograph of another region with macrophages (right), fibrocytes (left), and occasional lymphocytes throughout the lesion.)
- 18:08, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6RA9.jpg (This is a high-power photomicrograph of the mononuclear cells which surround the central area of necrosis. The focal accumulations of fibrinoid material are clearly visible. Lymphocytes are present in the extreme right of this image.)
- 18:08, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6RA8.jpg (This higher-power photomicrograph of the tissue illustrates the palisading nuclei of the monocytes which are located around the periphery of the central necrotic region (1).)
- 18:07, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6RA7.jpg (This higher-power photomicrograph of the subcutaneous nodule again demonstrates the necrotic center and peripheral rim of macrophages, fibrocytes, and occasional lymphocytes. There are focal accumulations of hyaline material (fibrinoid material) within...)
- 18:07, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6RA6.jpg (This higher-power photomicrograph of the subcutaneous nodule shows a granulomatous lesion with a necrotic center and a peripheral rim of macrophages, fibrocytes, and occasional lymphocytes. In the necrotic center of the granuloma there is some minerali...)
- 18:07, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6RA5.jpg (This is a low-power photomicrograph of the subcutaneous nodule from this patient.)
- 18:06, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6RA4.jpg (This is a gross photograph of the foot from this same patient. Note the subcutaneous nodule on the medial aspect of the foot (arrow).)
- 18:06, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6RA3.jpg (This is a high-power photomicrograph of the joint capsule with another granuloma surrounding a central area of fibrinoid necrosis (arrow).)
- 18:06, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6RA2.jpg (This is a medium-power photomicrograph of the joint capsule surrounding the metacarpal joints. Note the thickening of the capsule and the focal accumulation of inflammatory cells surrounding a central area of fibrinoid necrosis (arrow).)
- 18:05, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6RA1.jpg (This is a gross photograph of the patient's hands at autopsy. Note the swollen joints and the deforming arthritis.)
- 17:01, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4AtheromatousEmboli6.jpg (A mesenteric artery also had an atherosclerotic embolus. Again note the cholesterol clefts and thrombotic material that occlude this artery.)
- 17:01, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4AtheromatousEmboli5.jpg (This is another view of this vessel with an atherosclerotic embolus. Note the cholesterol clefts (1) and thrombotic material (2) that occlude this artery.)
- 17:01, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4AtheromatousEmboli4.jpg (This higher-power photomicrograph of one of the arcuate arteries reveals a cholesterol embolus. Note the needle-shaped space (arrow) within the lumen of this artery (arrow) which represents the space occupied by the cholesterol crystal that was dissolv...)
- 17:00, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4AtheromatousEmboli3.jpg (This is a low-power photomicrograph of kidney tissue. Several blood vessels can be identified at the corticomedullary junction (arrows).)
- 17:00, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4AtheromatousEmboli2.jpg (This is a closer view of the luminal surface of the aorta from the previous image. The rough, ulcerated surface and the thrombotic material can be easily seen in this image.)
- 17:00, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4AtheromatousEmboli1.jpg (This is a gross photograph of the aorta from this patient opened lengthwise with the luminal surface visible. Note the rough surface with ulcerations and adherent thrombotic material. There is a mild dilation (aneurysm) at the distal aorta just at the ...)
- 16:56, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4SepticEmboli8.jpg (This is a high-powered photomicrograph of a myocardial abscess stained with a special tissue Gram stain (Brown & Brenn) to illustrate the colonies of bacteria in this myocardial tissue (arrows).)
- 16:56, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4SepticEmboli7.jpg (This is a higher-power photomicrograph of the abscess within the myocardium illustrating colonies of bacteria as the dark blue-staining material (arrow).)
- 16:56, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4SepticEmboli6.jpg (This is a low-power photomicrograph of myocardium with septic abscesses (arrows).)
- 16:55, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4SepticEmboli5.jpg (This is a higher-power photomicrograph of one of these septic abscesses illustrating the colonies of bacteria within necrotic cellular debris (arrows). This is typical of an abscess.)
- 16:55, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4SepticEmboli4.jpg (This is a higher-power photomicrograph of the focal lesions in the lung produced by the septic emboli. Note these are clearly demarcated from the relatively normal surrounding lung tissue.)
- 16:55, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4SepticEmboli3.jpg (This low-power photomicrograph shows a section of lung on the left and myocardium on the right. Both pieces of tissue have multiple embolic lesions seen as blue staining areas with massive infiltration of inflammatory cells (arrows).)
- 16:54, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4SepticEmboli2.jpg (This is a gross photograph of myocardium with multiple embolic lesions scattered throughout the left and right ventricles.)
- 16:54, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4SepticEmboli1.jpg (This gross photograph of lung demonstrates microabscesses due to septic embolization. Note the small 2 to 3-mm lesions scattered throughout this lung tissue (arrows).)
- 16:50, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thromboembolus10.jpg (This is a gross photograph of the fibrous band between the uterus and adjacent tissues. This fibrous scar tissue is probably left over from a previous surgery or an infection. A loop of bowel herniated through the opening produced by this fibrous band ...)
- 16:49, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thromboembolus9.jpg (This is a gross photograph of an opened abdomen at autopsy demonstrating loops of infarcted bowel (arrow). Vascular occlusion can lead to ischemic necrosis of the bowel. In this case, a section of bowel herniated through a fibrous connective tissue ban...)
- 16:49, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thromboembolus8.jpg (This is a gross photograph of cut section of testis from previous image. The tissue is filled with blood.)
- 16:48, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thromboembolus7.jpg (This is a gross photograph of an infarcted testis. Because of the anatomy of the blood supply to the testis, torsion or the blood vessels often leads to venous occlusion (due to compression of the thin walled veins) but not arterial occlusion. Thus, bl...)
- 16:48, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thromboembolus6.jpg (This is a low-power photomicrograph of the infarcted lung. The tissue is congested and has a very bland appearance due to coagulation necrosis of the lung parenchyma. You can still see the outlines of the alveoli and the cells that make-up the alveoli ...)
- 16:48, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thromboembolus5.jpg (This is a photomicrograph of the wall of the pulmonary artery (1) containing the thromboembolus. In this case the artery wall looks normal. If this was a thrombus instead of a thromboembolus, you would expect to see some damage in the artery wall that ...)
- 16:47, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thromboembolus4.jpg (This is a low-power photomicrograph of lung. A large thrombus is lodged at this branch point in the pulmonary artery. Note the hemorrhage and congestion in the surrounding lung parenchyma.)
- 16:47, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thromboembolus3.jpg (This is a gross photograph of portions of muscle from the legs including sections of leg veins. Note that the leg veins contain thrombus (arrows).)
- 16:46, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thromboembolus2.jpg (This is a gross photograph of the heart with the main pulmonary artery opened. Note the thromboembolus filling the pulmonary artery (arrows).)
- 16:46, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thromboembolus1.jpg (This is a gross photograph of a cut section of lung demonstrating thromboemboli in the pulmonary arteries (arrows).)
- 16:41, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thrombosis10.jpg (This is a high-power photomicrograph of the luminal surface of a re-canalized vessel. Note that the vessel lumen is lined by endothelial cells (arrows).)
- 16:40, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thrombosis9.jpg (This is a higher-power photomicrograph of another region of the vessel wall. The adventitia (1) and the media (2) contain inflammatory cells. The recanalized portion of the vessel (3) is composed of fibrous connective tissue and contains numerous small...)
- 16:40, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thrombosis8.jpg (This is a higher-power photomicrograph of the vessel wall. The adventitia (1) and the media (2) contain inflammatory cells. The recanalized portion of the vessel is composed of fibrous connective tissue and contains numerous small blood vessels. There ...)
- 16:40, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thrombosis7.jpg (In this low-power photomicrograph of another coronary artery from this patient, a mural thrombus has undergone re-organization. The mural thrombus has been invaded by the in-growth of fibroblasts and small blood vessels from the wall of the artery. The...)
- 16:39, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thrombosis6.jpg (This is a higher-power photomicrograph of thrombus attached to the wall of the vessel. Note the early organization with in-growth of fibroblasts and small blood vessels from the wall of the artery (arrows).)
- 16:38, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thrombosis5.jpg (This is a high-power photomicrograph of thrombus attached to the wall of the vessel. There is early organization of the thrombus (arrow).)
- 16:36, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thrombosis4.jpg (This is another high-power photomicrograph of the ruptured fibrous cap (arrows) with hemorrhage (1) into the atherosclerotic plaque. Note the presence of cholesterol crystals.)
- 16:36, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thrombosis3.jpg (This is a higher-power photomicrograph of the ruptured fibrous cap (arrows) with hemorrhage (1) into the atherosclerotic plaque.)
- 16:35, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thrombosis2.jpg (This is a low-power photomicrograph of thrombosed coronary artery. The thrombus (1) completely occludes the vessel. Note the layering of the thrombus. The fibrous cap is ruptured (arrow) and there is hemorrhage into the atherosclerotic plaque. Note the...)
- 16:35, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4Thrombosis1.jpg (This is a gross photograph of thrombosed coronary artery (arrows).)
- 16:30, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4MuralThrombus7.jpg (This high-power photomicrograph of thrombus demonstrates more clearly the components of the layers--the pale regions which contain primarily platelets (degranulated platelets) with some fibrin (1), and the red areas which contain RBCs, some leukocytes,...)
- 16:29, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4MuralThrombus6.jpg (This is a higher-power photomicrograph of the thrombus. Note the pale regions which contain primarily platelets (degranulated platelets) with some fibrin (1), and the red areas which contain RBCs, some leukocytes, and fibrin(2).)
- 16:29, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4MuralThrombus5.jpg (This photomicrograph illustrates the layered effect of the thrombus.)
- 16:28, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4MuralThrombus4.jpg (This is a high-power photomicrograph of the border zone between the thrombus (1) and the endocardium (2). In this region there is less inflammation at the border zone.)
- 16:28, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4MuralThrombus3.jpg (This higher-power photomicrograph shows the border between the thrombus on the right (1) and the endocardium on the left (2). There is a line of inflammatory cells at this interface (arrow).)
- 16:27, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4MuralThrombus2.jpg (This is a low-power photomicrograph of the thrombus (1) attached to the myocardium (2).)
- 16:27, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4MuralThrombus1.jpg (This is a gross photograph of the heart from this case demonstrating the well-formed thrombus (arrow) tightly attached to the myocardium near the apex of the left ventricle.)
- 16:22, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4ChronicPassiveCongestion9.jpg (This is a gross photograph of the cut surface of a liver with chronic passive congestion (left) compared to the cut surface of a nutmeg (right).)
- 16:22, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4ChronicPassiveCongestion8.jpg (This is a gross photograph of a nutmeg. You can see from the appearance of the cut surface of the nutmeg (arrow) why chronic passive congestion of the liver is sometimes referred to as "nutmeg liver.")
- 16:21, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4ChronicPassiveCongestion7.jpg (This is a high-power photomicrograph of liver with several macrophages that are distended with a brown pigment (arrow). These resident macrophages (Kupffer cells) are part of the reticuloendothelial system and normally line the sinusoidal spaces in the...)
- 16:21, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4ChronicPassiveCongestion6.jpg (This is a high-power photomicrograph of the central vein illustrating congestion and some loss of liver parenchymal cells. A mild increase in connective tissue around the central vein is evident in this section.)
- 16:20, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4ChronicPassiveCongestion5.jpg (This higher-power photomicrograph of the liver lobules shows congestion and red blood cell accumulation in the sinusoidal spaces around the central vein. Note that around the portal triads (arrows) the liver cells are quite normal and there is no evide...)
- 16:20, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4ChronicPassiveCongestion4.jpg (This is a higher-power photomicrograph of liver demonstrating an accentuated lobular pattern with a dark red stain surrounding the central veins in the liver lobules (arrows).)
- 16:20, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4ChronicPassiveCongestion3.jpg (This low-power photomicrograph of liver demonstrates a slightly visible pattern of centrilobular congestion at this magnification.)
- 16:19, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4ChronicPassiveCongestion2.jpg (This is a closer view of a cut section of liver demonstrating the pattern of chronic passive congestion. The central vein regions are red and the surrounding hepatic tissue is pale tan-brown.)
- 16:19, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4ChronicPassiveCongestion1.jpg (This is a gross photograph of a liver demonstrating chronic passive congestion. Note the accentuation of the centrilobular pattern evidenced by the dark-brown-staining areas in this tissue.)
- 16:12, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4PulmonaryCongestion7.jpg (This high-power photomicrograph illustrates the edema fluid within the alveoli (1) and the congestion (RBCs) in the alveolar capillaries (arrows).)
- 16:12, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4PulmonaryCongestion6.jpg (This is a higher-power photomicrograph showing edema-filled alveoli in the right portion of this section (arrows).)
- 16:08, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4PulmonaryCongestion5.jpg (This is a higher-power photomicrograph of lung. The edema fluid within the alveoli is visible at this higher magnification (arrows). The thickened pleura (1) is on the left.)
- 16:07, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4PulmonaryCongestion4.jpg (This is a low-power photomicrograph of lung from this case. The lung section has a pale-red color indicating proteinaceous material within the lung.)
- 16:07, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4PulmonaryCongestion3.jpg (This gross photograph demonstrates the frothy exudate that is being extruded from the lung tissue.)
- 16:07, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4PulmonaryCongestion2.jpg (This is a gross photograph of lung demonstrating acute pulmonary congestion and edema. A frothy exudate fills the bronchus (arrow).)
- 16:06, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab4PulmonaryCongestion1.jpg (This is a gross photograph of lungs that are distended and red. The reddish coloration of the tissue is due to congestion. Some normal pink lung tissue is seen at the edges of the lungs (arrows).)
- 04:39, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3HealedMyocardialInfarction8.jpg (This is a higher-power photomicrograph of a trichrome-stained section of heart containing an old healed MI. The scar tissue (mature fibrous connective tissue) is stained blue.)
- 04:38, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3HealedMyocardialInfarction7.jpg (This is a photomicrograph of a trichrome-stained section of heart containing an old healed myocardial infarction. The scar is composed of mature fibrous connective tissue (arrows).)
- 04:38, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3HealedMyocardialInfarction6.jpg (This is a photomicrograph of a trichrome-stained section from a heart with an acute myocardial infarction. Note that there is little fibrous connective tissue. It is too early for scar formation to have taken place in this acute lesion.)
- 04:37, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3HealedMyocardialInfarction5.jpg (This is a high-power photomicrograph of a different region of this healed MI. Note the chronic inflammatory reaction (arrows) in this region suggesting that there had been ischemic injury to this area within the last several weeks to months.)
- 04:37, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3HealedMyocardialInfarction4.jpg (This is another high-power photomicrograph of a healed myocardial infarction. Note the remaining normal myocytes (1), the fibrous connective tissue (2), and occasional hypereosinophilic myocytes indicating recent acute ischemic injury (arrow).)
- 04:37, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3HealedMyocardialInfarction3.jpg (This is a higher-power photomicrograph of a healed myocardial infarction with a fibrous scar. Remaining normal tissue is at the top (1) and the fibrous connective tissue scar is at the bottom (2). Note the presence of occasional hypereosinophilic myocy...)
- 04:36, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3HealedMyocardialInfarction2.jpg (This is a low-power photomicrograph of a healed myocardial infarction with a fibrous scar. Remaining normal tissue is on the left (1) and the fibrous connective tissue scar is on the right (2).)
- 04:36, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3HealedMyocardialInfarction1.jpg (This is a gross photograph of a heart with areas of old healed myocardial infarction (scars) outlined by arrows.)
- 04:30, 19 August 2013 Seung Park (talk | contribs) uploaded File:IPLab3AcuteMyocardialInfarction7.jpg (This is a photomicrograph of the lines of Zahn. Pale areas (1) represent platelets with some fibrin and the darker lines (2) represent RBCs and leukocytes enmeshed in fibrin strands.)
