lab 1.casos 1,2,3,4,5
TRANSCRIPT
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Universidad Cooperativa de Colombia- Seccional MagdalenaFacultad de Ciencias de la Salud -Programa Cincias Bsicas Mdicas
Programa Medicina-rea Patologa, III Semestre-Aprendizaje Basado en Problema (ABP)
Caso 1-Hipertrofia del Miocardio
Caso 2-Hiperplasia Nodular de la Prstata
Caso 3-Metaplasia Escamosa , Pelvis Renal
Caso 4.-Metamorfosis Grasa Heptica
Caso 5. Atrofia de testculo
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Caso 1. Hipertrofia Cardiaca
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Caso 2. Hiperplasia de Prostata
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This kidney was removed from another autopsy patient who hadprostatic hyperplasia resulting in marked urinary retention andback-flow of urine from the bladder into the ureters and renalpelvis. The increased pressure inside the renal pelvis resulted indilation of the renal pelvis (1) and pressure atrophy of the cortex
(2). This change in the kidney is called hydronephrosis.
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Caso 3. Metaplasia Escamosa.NoPelvis Renal
This is a low-power photomicrograph showing the full cortical and medullarythickness of the kidney. Note that there is a dilated calyx containing some redblood cells in the center of the section (arrow). The cortex is markedly thin andhas severe lesions of degeneration and atrophy, although these are hard toappreciate at this low magnification.
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This gross photograph of liver tissue illustrates the yellowish
color of the liver parenchyma. The yellow color indicates high
fat content in this tissue. Compare this with the normal darkred color of liver.
Caso 4. Higado Graso
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This higher-power photomicrograph of the centrilobular area givesthe appearance of fatty tissue, as indicated by many empty spaces.
Very few normal liver cells can be seen in this slide. A few more
normal-appearing hepatocytes are present at the left portion of the
slide (arrows).
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An oil red O stain for fat was performed on a frozen section of
this liver tissue. The red droplets represent fat in the tissue
which is typical of fatty degeneration in the liver. By using
frozen sections the tissues do not have to be dehydrated
through alcohol solutions and thus the fat does not get
washed out.
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This photomicrograph of the liver is from another patient with ahistory of alcohol use. There are some clear vacuoles indicating
fat droplets (1) and there are numerous red-staining granular
deposits within the cytoplasm of hepatocytes (2)--this is alcoholic
hyalin. Alcoholic hyalin is easily distinguished from red blood cells
(3) that are also present in this section.
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This is a low-power photomicrograph of liver stained with a trichrome
stain. In this section, connective tissue stains green (arrows) and
hepatic parenchymal cells are red. Note that many of the
parenchymal cells have clear spaces indicating fatty degeneration.
The proliferation of scar tissue between the liver lobules is the result
of cirrhosis.
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This gross photograph of liver demonstrates severe nodular cirrhosis.
Note the extensive scarring of the capsule and the nodular projections
of tissue through the uncut capsule in this tissue. The green color is
due to the accumulation of bile pigment.
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This is a cut surface of the same tissue seen in the previous slide.
Note the marked nodular pattern. The paler-staining areas
between the round nodules represent fibrous connective tissue.
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Caso 5. Atrofia Testicular
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