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The Gordon R. Hennigar Pathology Museum Collection

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41.
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Liver: Metastatic Malignant Melanoma
Liver: Metastatic Malignant Melanoma Malignant melanoma metastatic to liver and spleen (no number). COMMENT (#60-64): Metastatic tumors in liver characteristically have central necrosis (umbilicated appearance through the capsule) due to outgrowth of blood/nutrient supply--other than this, variations in appearance may reflect origin of tumor i.e., the melanoma is represented by both pigmented and non-pigmented (amelanotic) metastases; choriocarcinoma typically is hemorrhagic. The cholelithiasis in #64 is unrelated to metastatic tumor)
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Liver: Metastatic Oat Cell Carcinoma of Lung
Liver: Metastatic Oat Cell Carcinoma of Lung Oat cell carcinoma of lung metastatic to liver. COMMENT (#60-64): Metastatic tumors in liver characteristically have central necrosis (umbilicated appearance through the capsule) due to outgrowth of blood/nutrient supply--other than this, variations in appearance may reflect origin of tumor i.e., the melanoma is represented by both pigmented and non-pigmented (amelanotic) metastases; choriocarcinoma typically is hemorrhagic. The cholelithiasis in #64 is unrelated to metastatic tumor)
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Liver: Metastatic Ovarian Carcinoid
Liver: Metastatic Ovarian Carcinoid Ovarian carcinoid metastatic to liver
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Liver: Multiple Adenomas
Liver: Multiple Adenomas Multiple liver cell adenomas. COMMENT(#49 & #50): Good examples of multiple adenomas; areas of infarction/hemorrhage often found (remember microscopic characteristics).
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Liver: Multiple Adenomas
Liver: Multiple Adenomas Multiple liver cell adenomas . COMMENT(#49 & #50): Good examples of multiple adenomas; areas of infarction/hemorrhage often found (remember microscopic characteristics).
46.
Liver: Multiple Infarction, Ischemic Heart Disease
Liver: Multiple Infarction, Ischemic Heart Disease Multiple infarction of liver--ischemic heart disease. Comment: Multifocal areas of infarction are present--easiest to see are white, sharply demarcated, with irregular borders.
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Liver: Necrosis
Liver: Necrosis Massive necrosis of the liver, possibly to halothane.
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Liver: Nodular Hyperplasia
Liver: Nodular Hyperplasia Nodular hyperplasia of liver. COMMENT: #46 and #48 have well developed scars in the presence of nodular liver tissue, these being the gross characteristics of this lesion (review microscopic characteristics).
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Liver: Nodular Hyperplasia
Liver: Nodular Hyperplasia Focal nodular hyperplasia of liver.COMMENT: #46 and #48 have well developed scars in the presence of nodular liver tissue, these being the gross characteristics of this lesion (review microscopic characteristics).
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Liver: Nodular Hyperplasia
Liver: Nodular Hyperplasia Nodular hyperplasia
51.
Liver: Nodular Hyperplasia
Liver: Nodular Hyperplasia Nodular hyperplasia of liver. COMMENT: #46 and #48 have well developed scars in the presence of nodular liver tissue, these being the gross characteristics of this lesion (review microscopic characteristics).
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Liver: Nodular Regenerative Hyperplasia
Liver: Nodular Regenerative Hyperplasia Nodular regenerative hyperplasia. Comment: As above. COMMENT ON SPECIMENS (#25-29): These illustrate the range of changes seen in autopsy livers from patients dying from viral hepatitis (liver disease or complications therefrom): #25=a liver that is bile stained and shows dark areas of necrosis but is not as massively necrotic as #26 and #27 (these two livers probably less than 800-900 gms) and although these two do not now show the usual maroon appearance, there has been a marked loss of hepatocytes. #28 and #29 show pale nodular areas interspersed in liver parenchyma which histologically demonstrates, besides necrosis, scarring or cirrhosis (#28 less, #29 more scarring). The nodular areas actually represent attempts at regeneration of hepatocytes.
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Liver: Polyarteritis Nodosa, Infarction
Liver: Polyarteritis Nodosa, Infarction Polyarteritis nodosa with liver and kidney infarcts. Comment: Almost entire left lobe is infarcted--arrow points to thrombosed hepatic artery branch; many arteries (arrows) near the corticomedullary junctions of kidney (probably arcuate arteries) have abnormally thick walls and are thrombosed--infarcts can be seen (arrows).
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Liver: Polycystic
Liver: Polycystic Polycystic liver in Potter Type III polycystic kidney disease
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Liver: Post-Necrotic Cirrhosis
Liver: Post-Necrotic Cirrhosis Post-necrotic cirrhosis; 20 years carbon tetrachloride exposure. COMMENT: Faint fairly large nodules can be appreciated here; there is relatively little fibrosis appreciated grossly. COMMENT: Specimens (#30-33) all illustrate, whatever the etiology may be, more coarsely nodular (macronodular) livers that usually seen with alcoholic or nutritional cirrhosis, with many of the nodules greater than 1 cm. Broad scars and irregular sized nodules are characteristic.
56.
Liver: Post-Necrotic Cirrhosis
Liver: Post-Necrotic Cirrhosis Post-necrotic cirrhosis
57.
Liver: Post-Necrotic Cirrhosis
Liver: Post-Necrotic Cirrhosis Post-necrotic cirrhosis with portal vein thrombosis. COMMENT: Specimens (#30-33) all illustrate, whatever the etiology may be, more coarsely nodular (macronodular) livers that usually seen with alcoholic or nutritional cirrhosis, with many of the nodules greater than 1 cm. Broad scars and irregular sized nodules are characteristic.
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Liver: Post-Necrotic Cirrhosis--Hepatic B Viruses
Liver: Post-Necrotic Cirrhosis--Hepatic B Viruses Post-necrotic cirrhosis--Hepatic B viruses. COMMENT ON SPECIMENS (#25-29): These illustrate the range of changes seen in autopsy livers from patients dying from viral hepatitis (liver disease or complications therefrom): #25=a liver that is bile stained and shows dark areas of necrosis but is not as massively necrotic as #26 and #27 (these two livers probably less than 800-900 gms) and although these two do not now show the usual maroon appearance, there has been a marked loss of hepatocytes. #28 and #29 show pale nodular areas interspersed in liver parenchyma which histologically demonstrates, besides necrosis, scarring or cirrhosis (#28 less, #29 more scarring). The nodular areas actually represent attempts at regeneration of hepatocytes.
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Liver: Primary Hemochromatosis
Liver: Primary Hemochromatosis Primary hemochromatosis. COMMENT: Characteristic picture of pigment cirrhosis of finely nodular brown liver.
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Liver: Primary Hepatoma--Cholangiocarcinoma
Liver: Primary Hepatoma--Cholangiocarcinoma Primary hepatoma--cholangiocarcinoma. COMMENT: Good portion of specimen occupied by solid white tumor (arrow) infiltrating liver
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