User contributions
21 August 2013
File:IPLab13BiliaryAtresia5.jpg
This is a medium-power photomicrograph of liver section stained with a trichrome stain to demonstrate the portal fibrosis. The fibrous connective tissue (collagen) stains blue.
File:IPLab13BiliaryAtresia4.jpg
This is a high-power photomicrograph of fibrotic portal region with several bile ducts that contain inspissated bile (arrows). Adjacent hepatocytes also contain bile pigments.
File:IPLab13BiliaryAtresia3.jpg
This high-power photomicrograph of fibrotic portal region demonstrates proliferation of the bile ducts (arrows).
File:IPLab13BiliaryAtresia2.jpg
This medium-power photomicrograph of liver shows an area of portal fibrosis and bile duct proliferation (arrows). Adjacent to this fibrotic portal region, hepatocytes are seen separated by dilated sinusoids. Throughout this section are found accumulati...
File:IPLab13BiliaryAtresia1.jpg
This is a low power photomicrograph of a section of liver. Even at this low magnification, areas of fibrosis can be appreciated.
IPLab:Lab 13:Myelomeningocele
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IPLab:Lab 13:Myelomeningocele
Created page with "== Images == <gallery heights="250px" widths="250px"> File:IPLab13Myelomeningocele1.jpg|This is a gross photograph of the fetus at autopsy. Note the defect in the lower lumbar..."
File:IPLab13Myelomeningocele7.jpg
This high-power photomicrograph of the spinal cord within the vertebral column shows the hemorrhage (arrows) in this region.
File:IPLab13Myelomeningocele6.jpg
This is a high-power photomicrograph of the spinal cord (arrow) immediately beneath the area of hemorrhage.
File:IPLab13Myelomeningocele5.jpg
This is a higher-power photomicrograph of one of the vertebral bodies from this case. The defect (arrows) in the vertebral body is seen more clearly. The spinal cord is disrupted and there are areas of hemorrhage in this region.
File:IPLab13Myelomeningocele4.jpg
This is a low-power photomicrograph of one of the vertebral bodies from this case. In this section there are defects (arrows) in the vertebral body but the skin can be seen over the open vertebral canal.
File:IPLab13Myelomeningocele3.jpg
This is a closer view of the previous gross photograph showing a normal lumbar vertebra from this case on the left. Once again, note the defect (arrow) in the vertebral body on the right due to failure of the vertebral column to close properly.
File:IPLab13Myelomeningocele2.jpg
This gross photograph shows consecutive lumbar vertebra from this case. Note the defect (arrows) in the two vertebral bodies on the right. This defect was caused by failure of the vertebral column to properly close.
File:IPLab13Myelomeningocele1.jpg
This is a gross photograph of the fetus at autopsy. Note the defect in the lower lumbar region of the spinal column (arrow). The myelomeningocele can be seen protruding from this defect.
IPLab:Lab 12:COPD
Created page with "== Images == <gallery heights="250px" widths="250px"> File:IPLab12COPD1.jpg|This gross photograph of lung taken at autopsy demonstrates the degree of emphysematous change (arr..."
File:IPLab12COPD5.jpg
This gross photograph of the heart taken at autopsy demonstrates right ventricular hypertrophy and dilatation (arrows).
File:IPLab12COPD4.jpg
This higher-power photomicrograph of the lung shows more clearly the enlarged air spaces indicative of emphysematous change.
File:IPLab12COPD3.jpg
This low-power photomicrograph of the lung demonstrates the enlarged air spaces indicative of emphysematous change.
File:IPLab12COPD2.jpg
This is a higher-power view of the lung showing the emphysematous change.
File:IPLab12COPD1.jpg
This gross photograph of lung taken at autopsy demonstrates the degree of emphysematous change (arrows). Also note that the rest of the lung is consolidated, indicating a pneumonia.
IPLab:Lab 12:Burns
Created page with "== Images == <gallery heights="250px" widths="250px"> File:IPLab12Burns1.jpg|This photograph taken at autopsy demonstrates the severity of the surface burns on this patient. ..."
File:IPLab12Burns13.jpg
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File:IPLab12Burns13.jpg
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File:IPLab12Burns12.jpg
This photomicrograph of the trachea shows sloughing of the tracheal epithelium and the black carbonaceous material contained therein (1). This degree of tracheal epithelial damage is indicative of severe inhalation injury. The tracheal cartilage rings ...
File:IPLab12Burns11.jpg
This closer view of the lung shows the black carbonaceous material in the trachea as well as in the main stem bronchi.
File:IPLab12Burns10.jpg
This photograph of the lung again shows the black carbonaceous material in the trachea as well as in the main stem bronchi. The lungs are mildly congested and hyperemic. The patient lived for less than 8 hours after the burn injury so there was not eno...
File:IPLab12Burns9.jpg
This photograph demonstrates the black carbonaceous material in the trachea.
File:IPLab12Burns8.jpg
This medium-power photomicrograph of the burned skin shows the mild damage to the superficial layers of the epidermis.
File:IPLab12Burns7.jpg
This photomicrograph of the burned skin depicts an area of first degree burn. Note that there are no blisters and no damage to the dermis. There is mild damage to the superficial epidermis and some hyperemia (arrow).
File:IPLab12Burns6.jpg
This high-power photomicrograph of the burned skin shows the blister and the thrombosed vessels in the dermis.
File:IPLab12Burns5.jpg
This medium-power photomicrograph of the burned skin demonstrates blister formation. The vessels in the dermis are congested (arrows).
File:IPLab12Burns4.jpg
This high-power photomicrograph shows the denuded surface of the skin with thrombosed blood vessels (arrows) and necrosis of the dermis.
File:IPLab12Burns3.jpg
This photomicrograph of the burned skin depicts an area of third degree burn. There is some residual epidermis (arrow) but in the majority of this section the epidermis is gone. Also note the severe subcutaneous edema.
File:IPLab12Burns2.jpg
This closer view shows the burned skin peeling off to expose the underlying tissue. The various depths of the burn can be appreciated by the color and character of the underlying tissue.
File:IPLab12Burns1.jpg
This photograph taken at autopsy demonstrates the severity of the surface burns on this patient.
IPLab:Lab 12:Thoracic Mesothelioma
Created page with "== Images == <gallery heights="250px" widths="250px"> File:IPLab12Mesothelioma1.jpg|This is a gross photograph of the lungs removed at autopsy. There is thickening of the pleu..."
File:IPLab12Mesothelioma11.jpg
Scanning electron micrograph of asbestos bodies. Note the rough surface and the beaded appearance caused by the material adhering to the surface of the asbestos fiber.
File:IPLab12Mesothelioma10.jpg
Another high-power photomicrograph of the brown asbestos bodies showing the characteristic beaded appearance (arrows). Tumor cells are evident adjacent to the asbestos bodies.
File:IPLab12Mesothelioma9.jpg
This is a high-power photomicrograph of the brown asbestos bodies showing the characteristic beaded appearance (arrows).
File:IPLab12Mesothelioma8.jpg
This high-power photomicrograph shows brown asbestos bodies (1), accumulations of anthracotic pigment (2), and tumor cells (3) all adjacent to a blood vessel (4).
File:IPLab12Mesothelioma7.jpg
In this higher-power photomicrograph there is a blood vessel (1) and adjacent lymphatics that contain tumor cells (2). There are also accumulations of brown material adjacent to these vessels.
File:IPLab12Mesothelioma6.jpg
In this higher-power photomicrograph the clusters of tumor cells (arrows) can be appreciated.
File:IPLab12Mesothelioma5.jpg
This higher-power photomicrograph of left lung shows areas of consolidation and fibrosis (arrows). Also note that in many of these areas there are clusters of blue cells.
File:IPLab12Mesothelioma4.jpg
This is a low-power photomicrograph of a section of the left lung. At this magnification you can see areas of consolidation (arrows), especially around blood vessels.
File:IPLab12Mesothelioma3.jpg
This is a gross photograph of the thoracic surface of the diaphragm demonstrating the distinctive fibrocalcific plaque (arrows) produced by mesothelioma and multiple smaller plaques over the pleural surface of the diaphragm.
File:IPLab12Mesothelioma2.jpg
This is a gross photograph of cut sections of the lungs. The right lung is congested. The left lung is shrunken and filled with tumor. There is a thick layer of tumor along the inferior portion of the lung (arrow).
File:IPLab12Mesothelioma1.jpg
This is a gross photograph of the lungs removed at autopsy. There is thickening of the pleural surface due to the tumor (arrows). The apical portion of the left lobe of the lung was ripped while trying to sever the adhesions between the lung and the ch...
IPLab:Lab 12:Radiation Changes
Created page with "== Images == <gallery heights="250px" widths="250px"> File:IPLab12RadiationChanges1.jpg|This is a low-power photomicrograph of the surgical specimen of the ileum. The normal i..."
File:IPLab12RadiationChanges8.jpg
This high-power photomicrograph of the wall of the ileum shows more examples of pleomorphic cells caused by radiation injury (arrows).
File:IPLab12RadiationChanges7.jpg
This high-power photomicrograph of the wall of the ileum shows more examples of pleomorphic cells (arrows) due to radiation injury.