User contributions
21 August 2013
File:IPLab12RadiationChanges5.jpg
This is a high-power photomicrograph of the wall of the ileum showing a blood vessel that has suffered radiation-induced damage and is completely occluded (arrows).
File:IPLab12RadiationChanges6.jpg
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File:IPLab12RadiationChanges6.jpg
This is a high-power photomicrograph of the wall of the ileum showing a blood vessel that has suffered radiation-induced damage and is completely occluded (arrows).
File:IPLab12RadiationChanges4.jpg
This is a high-power photomicrograph showing the atrophied epithelium in the area of radiation injury (1). Note the dense fibrous connective tissue within the wall of the ileum and the congested blood vessels (2).
File:IPLab12RadiationChanges3.jpg
This is a higher-power photomicrograph showing the atrophied epithelium in the area of radiation injury. There are some epithelial cells deep within the mucosa (1). Note the dense fibrous connective tissue (2) within the wall of the ileum.
File:IPLab12RadiationChanges2.jpg
This is a higher-power photomicrograph of the surgical specimen of the ileum showing the transition from the normal epithelium (1) to the atrophied epithelium (2) in the area of radiation injury.
File:IPLab12RadiationChanges1.jpg
This is a low-power photomicrograph of the surgical specimen of the ileum. The normal ileum is to the left (1). The area of stricture consists of dense fibrous connective tissue (2) and there is loss or marked atrophy of the epithelium (3).
IPLab:Lab 12:Radiation Fibrosis
Created page with "== Images == <gallery heights="250px" widths="250px"> File:IPLab12RadiationFibrosis1.jpg|This is a gross photograph of lung demonstrating areas of fibrosis on the pleural surf..."
File:IPLab12RadiationFibrosis13.jpg
This is a high-power photomicrograph of a recanalized blood vessel in the lung. Notice the anthracotic pigment adjacent to the vessel (arrows).
File:IPLab12RadiationFibrosis12.jpg
This high-power photomicrograph shows intimal changes (arrows) in this blood vessel in the lung.
File:IPLab12RadiationFibrosis11.jpg
This medium-power photomicrograph shows fibrosis and severe intimal changes in blood vessels (arrows).
File:IPLab12RadiationFibrosis10.jpg
This is another high-power photomicrograph of an area of tissue with diffuse fibrosis and thickening of the alveolar septa. There are also accumulations of anthracotic pigment in this area (arrows).
File:IPLab12RadiationFibrosis9.jpg
This is a photomicrograph of an area of tissue exhibiting diffuse fibrosis and thickening of the alveolar septa.
File:IPLab12RadiationFibrosis8.jpg
This is a photomicrograph of a trichrome-stained section of lung demonstrating the extensive fibrosis throughout this section (green-blue stained material is fibrous connective tissue).
File:IPLab12RadiationFibrosis7.jpg
This high-power photomicrograph of lung section shows the thickening of the alveolar septum (arrows) by fibrous connective tissue.
File:IPLab12RadiationFibrosis6.jpg
This is another high-power photomicrograph of lung section showing the thickening of the alveolar septa (arrows) and accumulations of black anthracotic pigment.
File:IPLab12RadiationFibrosis5.jpg
This is a higher-power photomicrograph of lung section. Note the thickening of the alveolar septa (1) and accumulations of anthracotic pigment (2).
File:IPLab12RadiationFibrosis4.jpg
This is a low-power photomicrograph of lung section. Note the thickening of the alveolar septa (arrows).
File:IPLab12RadiationFibrosis3.jpg
This is a gross photograph showing a closer view of a cut section of lung. An area of fibrosis (arrow) is evident in this photograph.
File:IPLab12RadiationFibrosis2.jpg
This is a gross photograph of cut sections of lung. There are several areas of fibrosis (arrows) within the lung parenchyma.
File:IPLab12RadiationFibrosis1.jpg
This is a gross photograph of lung demonstrating areas of fibrosis on the pleural surface (arrow).
IPLab:Lab 12:Acetaminophen Toxicity
Created page with "== Images == <gallery heights="250px" widths="250px"> File:IPLab12Acetaminophen1.jpg|This gross photograph of the liver from this patient demonstrates the pale areas of necros..."
File:IPLab12Acetaminophen8.jpg
This is a higher-power photomicrograph of the skin from this patient showing a blister and the thrombosed small vessels (arrows) in the dermis.
File:IPLab12Acetaminophen7.jpg
This low-power photomicrograph of the skin from this patient shows a blister and numerous thrombosed vessels (arrows) in the dermis.
File:IPLab12Acetaminophen6.jpg
Photograph taken at autopsy demonstrating the severe necrosis of the skin of foot.
File:IPLab12Acetaminophen5.jpg
This is a high-power photomicrograph of the edge of the necrosis. Again, note the coagulation necrosis and hemorrhage in this area. The viable hepatocytes at the edge of this necrosis are vacuolated (arrows).
File:IPLab12Acetaminophen4.jpg
This is a medium-power photomicrograph of the areas of hemorrhagic necrosis. Note the coagulation necrosis and hemorrhage in this area. Viable hepatocytes can be seen along the edge of this lesion.
File:IPLab12Acetaminophen3.jpg
This is another example of the areas of hemorrhagic necrosis (arrows).
File:IPLab12Acetaminophen2.jpg
In this photomicrograph of the liver from this patient there are areas of hemorrhagic necrosis (arrows).
File:IPLab12Acetaminophen1.jpg
This gross photograph of the liver from this patient demonstrates the pale areas of necrosis (arrows).
IPLab:Lab 12:Alcoholic Cirrhosis
Created page with "== Images == <gallery heights="250px" widths="250px"> File:IPLab12Alcoholic1.jpg|This is a gross photograph of the liver from this patient. Note the nodular pattern and the ar..."
File:IPLab12Alcoholic14.jpg
This is another photograph of the cerebellum from this patient demonstrating the marked thinning of the anterior portion of the cerebellum (arrows). This pattern of cerebellar damage is consistent with Wernicke's encephalopathy.
File:IPLab12Alcoholic13.jpg
This photograph of the cerebellum from this patient demonstrates the marked thinning of the anterior portion of the cerebellum (arrows).
File:IPLab12Alcoholic12.jpg
This photomicrograph shows the dilated vessel just under the epithelium of the esophagus.
File:IPLab12Alcoholic11.jpg
This photograph taken from still another patient at autopsy demonstrates the esophageal varices in the distal esophagus (arrows). The esophagus was clamped before removing the esophagus from the body in order to trap the blood in these distended varice...
File:IPLab12Alcoholic10.jpg
This is a photograph taken from another patient at autopsy to demonstrate numerous esophageal varices in the distal esophagus (arrows). None of these varices have ruptured.
File:IPLab12Alcoholic9.jpg
In this closer view of the distal esophagus the ruptured varix is indicated by the probe. Other varices and areas of submucosal hemorrhage can also be appreciated.
File:IPLab12Alcoholic8.jpg
This photograph taken at autopsy shows the distal portion of the esophagus and the stomach. The esophageal varices are visible just under the mucosa of the esophagus (arrows). Some of the blood from the ruptured varix can still be seen in the stomach.
File:IPLab12Alcoholic7.jpg
This photograph was taken during the EGD while the patient was alive. Note the red hyperemic areas (1) and the area of hemorrhage (2).
File:IPLab12Alcoholic5.jpg
In this high-power photomicrograph of trichrome-stained liver, the bands of fibrous tissue surround the hepatocyte nodules. There is some degeneration and dropout of hepatocytes in this nodule. Also note the increased numbers of bile ducts in the triad...
File:IPLab12Alcoholic6.jpg
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File:IPLab12Alcoholic6.jpg
In this high-power photomicrograph of trichrome-stained liver, the bands of fibrous tissue surround the hepatocyte nodules. There is some degeneration and dropout of hepatocytes in this nodule. Also note the increased numbers of bile ducts in the triad...
File:IPLab12Alcoholic4.jpg
In this is medium-power photomicrograph of trichrome stained liver the bands of fibrous tissue are seen to form "bridges" between triad areas (arrows); this is called "bridging fibrosis." Also note the fibrous tissue (arrows) and how the hepatocytes ar...
File:IPLab12Alcoholic3.jpg
This is a low-power photomicrograph of this liver stained with a trichrome stain to highlight the fibrous tissue (arrows). Also note the nodular pattern.
File:IPLab12Alcoholic2.jpg
This is a closer view of the liver from this patient. Again note the nodular pattern and the areas of greenish discoloration. These green nodules are actually the viable hepatocytes that are stained green because of bile stasis. The pale areas are the ...
File:IPLab12Alcoholic1.jpg
This is a gross photograph of the liver from this patient. Note the nodular pattern and the areas of greenish discoloration as well as pale tan areas.
IPLab:Lab 11:Chagas Disease
Created page with "== Images == <gallery heights="250px" widths="250px"> File:IPLab11Chagas1.jpg|This peripheral blood smear from the patient shows two trypomastigotes of Trypanosoma cruzi. Fil..."
File:IPLab11Chagas6.jpg
This is a higher-power photomicrograph of an H & E stained heart biopsy from this patient. Note the T. cruzi amastigotes (arrows) within this longitudinal section of a myocyte.
File:IPLab11Chagas5.jpg
This is a higher-power photomicrograph of an H & E stained heart biopsy from this patient. At this magnification the organisms within a myocyte (arrows) and the adjacent inflammatory response are more clearly seen. The individual organisms within the m...
File:IPLab11Chagas4.jpg
This is a higher-power photomicrograph of an H & E stained heart biopsy from this patient. Again, note the organisms within a myocyte (arrow) and the inflammatory response.