User contributions
20 August 2013
File:IPLab5Hemochromatosis7.jpg
This is a low-power view of liver section stained with Prussian blue. Prussian blue reacts with iron in the tissue to give a blue color.
File:IPLab5Hemochromatosis6.jpg
This trichrome stain of liver section demonstrates the increased fibrous connective tissue in this liver. Note that the liver nodules (1) are surrounded by fibrous connective tissue (2).
File:IPLab5Hemochromatosis5.jpg
This higher-power photomicrograph demonstrates the increased fibrosis in the periportal area (1) and the pigment accumulation (2).
File:IPLab5Hemochromatosis4.jpg
This higher-power view of liver from this case demonstrates the nodules and the brown/black pigment within liver parenchymal cells (arrows).
File:IPLab5Hemochromatosis3.jpg
This is a low-power micrograph of liver from this patient. Note the nodularity of the tissue (arrows).
File:IPLab5Hemochromatosis2.jpg
This is a gross photograph of a cut section of liver from this case of hemochromatosis. Note that the liver is dark brown. Although hard to appreciate in a photograph, the tissue is also firm (cirrhotic).
File:IPLab5Hemochromatosis1.jpg
This is a gross photograph of liver (1) and pancreas (2) from this case of hemochromatosis. Note that both of these organs have a dark brown coloration.
19 August 2013
IPLab:Lab 5:α1 Antitrypsin Deficiency
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+1,224
File:IPLab5Antitrypsin12.jpg
This is a high-power photomicrograph of liver stained with periodic-acid Schiff's (PAS) stain. This demonstrates the PAS-positive granules of defective alpha 1-antitrypsin that accumulate in the Golgi of hepatocytes (arrows).
File:IPLab5Antitrypsin11.jpg
This is a higher-power photomicrograph of a trichrome-stained section of liver. This section demonstrates the fibrosis (blue material) and the fatty change (arrows).
File:IPLab5Antitrypsin10.jpg
This is a low-power photomicrograph of a trichrome-stained section of liver. There is bridging fibrosis (blue material) between portal regions.
File:IPLab5Antitrypsin9.jpg
This is a low-power photomicrograph of an H&E-stained section of liver. There are increased numbers of inflammatory cells in the periportal region (arrow) and the central vein areas are pale.
File:IPLab5Antitrypsin8.jpg
This is a closer view of the cut section of liver from this case. There is a definite micronodular pattern to the liver parenchyma.
File:IPLab5Antitrypsin7.jpg
This is a gross photograph of the cut section of liver from this case. In this view the liver looks smaller than normal and there is a definite micronodular appearance.
File:IPLab5Antitrypsin6.jpg
This is a gross photograph of the liver from this case. The capsule is somewhat thickened and the surface is slightly roughened, though it is difficult to appreciate the nodularity of the liver.
File:IPLab5Antitrypsin4.jpg
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+104
IPLab:Lab 5:α1 Antitrypsin Deficiency
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IPLab:Lab 5:α1 Antitrypsin Deficiency
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+64
IPLab:Lab 5:α1 Antitrypsin Deficiency
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File:IPLab5Antitrypsin3.jpg
This is a gross photograph of the bronchi and lungs. Note the hemorrhage in the bronchi and in the lung parenchyma.
IPLab:Lab 5:α1 Antitrypsin Deficiency
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IPLab:Lab 5:α1 Antitrypsin Deficiency
Created page with "== Images == <gallery heights="250px" widths="250px"> File:IPLab5AntiTrypsin1.jpg|This is a gross photograph of the lungs from this case. The rough friable material on the sur..."
File:IPLab5Antitrypsin5.jpg
This is a low-power photomicrograph from an area of the lung without significant hemorrhage. The enlarged, emphysematous air spaces are easily appreciated.
File:IPLab5Antitrypsin4.jpg
This is a gross photograph of the bronchi and lungs. Note the hemorrhage in the bronchi and in the lung parenchyma.
File:IPLab5Antitrypsin2.jpg
This is a gross photograph of the cut sections of lung from this case. The lung parenchyma is markedly hemorrhagic and consolidated. Again the hemorrhage makes it difficult to appreciate the emphysematous changes.
File:IPLab5Antitrypsin1.jpg
This is a gross photograph of the lungs from this case. The rough friable material on the surface of the lung (arrows) is fibrinous exudate and fibrous tissue. This reaction on the surface of the lung is due to the recent surgery. The emphysematous cha...
IPLab:Lab 5:Polycystic Kidney Disease
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+1,239
File:IPLab5PolycysticKidney11.jpg
This is a higher-power photomicrograph of liver cyst. These cystic structures are lined by biliary epithelium.
File:IPLab5PolycysticKidney10.jpg
This is another photomicrograph of liver demonstrating the histologic appearance of these cysts. These cystic structures are associated with the biliary tree.
File:IPLab5PolycysticKidney9.jpg
This photomicrograph of liver demonstrates the histologic appearance of these cysts.
File:IPLab5PolycysticKidney8.jpg
This is a gross photograph of the liver from this patient. Multiple cysts can be seen on the surface of this liver (arrows).
File:IPLab5PolycysticKidney7.jpg
This high-power photomicrograph shows abnormal glomeruli (arrows) and some tubules.
File:IPLab5PolycysticKidney6.jpg
This is a higher-power photomicrograph of polycystic kidney showing the edge of a large cyst (1). In this section there are numerous tubules and dilated collecting ducts (2) that are filled with the same red proteinaceous material as the larger cysts.
File:IPLab5PolycysticKidney5.jpg
This is another low-power photomicrograph of an H&E-stained section from this polycystic kidney. Again note the large cystic structures (arrows)and the fibrous connective tissue throughout this section.
File:IPLab5PolycysticKidney4.jpg
This is a low-power photomicrograph of an H&E-stained section from this polycystic kidney. Note the large cystic structures (1), the few residual glomeruli (2), and the fibrous connective tissue throughout this section.
File:IPLab5PolycysticKidney3.jpg
This is a gross photograph of a cut section from one of these polycystic kidneys. Note that the renal parenchyma is almost completely replaced by cystic structures.
IPLab:Lab 5:Polycystic Kidney Disease
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IPLab:Lab 5:Polycystic Kidney Disease
Created page with "== Images == <gallery heights="250px" widths="250px"> File:IPLab5PolycysticKidney1.jpg|This is a gross photograph of the kidneys from this case. Note that both kidneys contain..."
File:IPLab5PolycysticKidney2.jpg
This is a gross photograph of the kidneys from this case. Note that both kidneys contain multiple large cysts (arrows).
File:IPLab5PolycysticKidney1.jpg
This is a gross photograph of the kidneys from this case. Note that both kidneys contain multiple large cysts (arrows).
IPLab:Lab 5:Neurofibromatosis
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IPLab:Lab 5:Neurofibromatosis
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-1
IPLab:Lab 5:Neurofibromatosis
Created page with "== Images == <gallery heights="250px" widths="250px"> File:IPLab5Neurofibromatosis1.jpg|This photograph, taken at autopsy, demonstrates the distribution of neurofibromas on th..."
File:IPLab5Neurofibromatosis8.jpg
This is a high-power photomicrograph of the cells in the neurofibroma.
File:IPLab5Neurofibromatosis7.jpg
This higher-power photomicrograph of the neurofibroma shows more clearly the elongated cells (primarily Schwann cells) that make up this tumor.
File:IPLab5Neurofibromatosis6.jpg
This is a higher-power photomicrograph of the neurofibroma demonstrating the loose pattern of elongated cells making up the tumor mass.
File:IPLab5Neurofibromatosis5.jpg
This is a higher-power photomicrograph of the neurofibroma (1) with the overlying skin (2).
File:IPLab5Neurofibromatosis4.jpg
This is a low-power photomicrograph of a subcutaneous neurofibroma (1). Note the increased pigmentation in the skin (2).
File:IPLab5Neurofibromatosis3.jpg
This is a closer view of neurofibromas on the skin.
File:IPLab5Neurofibromatosis2.jpg
This is another view taken at autopsy demonstrating the neurofibromas. Some lesions can be seen as subcutaneous swellings (arrow) and others form pedunculated masses. Most are hyperpigmented.