User contributions
21 August 2013
File:IPLab8Polio2.jpg
This is a higher-power photomicrograph of spinal cord from this case. Note the absence of motor neurons in the anterior horns and the gliosis (arrows).
File:IPLab8Polio1.jpg
This is a low-power photomicrograph of a section of spinal cord from this case. Note that the anterior horns (arrows) are almost completely devoid of neurons.
IPLab:Lab 8:Rabies
Created page with "== Images == <gallery heights="250px" widths="250px"> File:IPLab8Rabies1.jpg|This is a low-power photomicrograph of the hippocampus (arrow) from this case. File:IPLab8Rabies2..."
File:IPLab8Rabies5.jpg
This is a high-power photomicrograph of a neuron surrounded by inflammatory cells (lymphocytes and microglia). This neuron has two intracytoplasmic eosinophilic inclusion bodies (arrows).
File:IPLab8Rabies4.jpg
This is a high-power photomicrograph of neurons containing variably-sized intracytoplasmic eosinophilic inclusion bodies (arrows).
File:IPLab8Rabies3.jpg
This is a higher-power photomicrograph of the shrunken neurons. One neuron appears to have an eosinophilic intracytoplasmic inclusion body (arrow).
File:IPLab8Rabies2.jpg
This is a medium-power photomicrograph of brain tissue exhibiting edema and evidence of shrunken, necrotic neurons (arrows).
File:IPLab8Rabies1.jpg
This is a low-power photomicrograph of the hippocampus (arrow) from this case.
IPLab:Lab 8:HSV Encephalitis
Created page with "== Images == <gallery heights="250px" widths="250px"> IPLab8HSVEncephalitis1.jpg|This is a gross photograph of a section of brain showing multiple small, punctate hemorrhages ..."
File:IPLab8HSVEncephalitis12.jpg
This is a photomicrograph of a brain section stained with an antibody against herpes simplex. Even at this magnification, it is easy to pick out cells that are positive for the virus (arrows).
File:IPLab8HSVEncephalitis11.jpg
This is another high-power photomicrograph of a cell containing an intranuclear inclusion body (arrow).
File:IPLab8HSVEncephalitis10.jpg
This is another high-power photomicrograph of a cell containing an intranuclear inclusion body (arrow). Note that the nuclear chromatin has been pushed to the outer edges of the nucleus.
File:IPLab8HSVEncephalitis9.jpg
This is a high-power photomicrograph demonstrating cells containing intranuclear inclusion bodies (arrows).
File:IPLab8HSVEncephalitis8.jpg
This is a high-power photomicrograph showing several necrotic cells (arrows).
File:IPLab8HSVEncephalitis7.jpg
This is a high-power photomicrograph demonstrating clear areas, which indicate edema, and numerous shrunken red necrotic cells (1). At this power, it can be seen that eosinophilic intranuclear inclusion bodies have displaced chromatin to the periphery ...
File:IPLab8HSVEncephalitis6.jpg
This is another high-power photomicrograph showing a blood vessel with perivascular hemorrhage and mild perivascular lymphocytic cuffing (arrow). In addition, there are numerous red shrunken neurons and glia with pyknotic nuclei throughout this section.
File:IPLab8HSVEncephalitis5.jpg
This is a high-power photomicrograph of the previous section. At this power it is easier to see the blood vessel with the perivascular hemorrhage and mild perivascular lymphocytic cuffing (1). In addition, the areas of edema and loss of neurophil (2) c...
File:IPLab8HSVEncephalitis4.jpg
This is a medium-power photomicrograph showing a blood vessel with perivascular hemorrhage (1), areas with loss of brain parenchyma, and edema (2). Even at this power, it can be seen that many of the cells are shrunken and dark red, suggesting that the...
File:IPLab8HSVEncephalitis3.jpg
This is a low-power photomicrograph showing a section of brain with numerous perivascular hemorrhages (arrows) and some areas that appear hypercellular.
File:IPLab8HSVEncephalitis2.jpg
This is a closer view of the previous section of brain showing multiple small, punctate hemorrhages throughout the brain parenchyma (arrows).
File:IPLab8HSVEncephalitis1.jpg
This is a gross photograph of a section of brain showing multiple small, punctate hemorrhages throughout the brain parenchyma (arrows).
IPLab:Lab 8:HSV Glossitis
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IPLab:Lab 8:HSV Glossitis
Created page with "== Images == <gallery heights="250px" widths="250px"> File:IPLab8HSVGlossitis1.jpg|This is a low-power photomicrograph showing a cross section of the tongue. There is an area ..."
File:IPLab8HSVGlossitis5.jpg
This is a high-power photomicrograph of epithelium near the edge of the ulcer. The cells that have been invaded by the herpes virus contain intranuclear accumulations of amphophilic viral inclusions (arrows).
File:IPLab8HSVGlossitis4.jpg
This is a higher-power photomicrograph of epithelium at the edge of the ulcer. Amphophilic intranuclear inclusion bodies can be seen in almost all of the epithelial cells in this section.
File:IPLab8HSVGlossitis3.jpg
This is a medium-power photomicrograph of epithelium at the edge of the ulcer. Even at this power, amphophilic (dark, blue-purple-staining) intranuclear inclusion bodies can be seen in the epithelial cells. Note the inflammatory infiltrate in the subep...
File:IPLab8HSVGlossitis2.jpg
This higher-power photomicrograph shows the epithelium (1), the edge of the ulcer (2), and the ulcerated epithelium (3). There is an inflammatory exudate at the base of the ulcer and some necrotic cells where the epithelium once was present.
File:IPLab8HSVGlossitis1.jpg
This is a low-power photomicrograph showing a cross section of the tongue. There is an area along the surface of the tongue where the normal epithelium has been lost and there are areas of ulceration (arrows).
IPLab:Lab 7:Osteosarcoma
Created page with "== Images == <gallery heights="250px" widths="250px"> File:IPLab7Osteosarcoma1.jpg|This is a photograph of the patient prior to surgery. Note the marked swelling of the knee. ..."
File:IPLab7Osteosarcoma15.jpg
This is a high-power photomicrograph of the tumor demonstrating the anaplastic cell morphology and multiple mitotic figures (arrows).
File:IPLab7Osteosarcoma14.jpg
This is a high-power photomicrograph of the tumor demonstrating the anaplastic cell morphology.
File:IPLab7Osteosarcoma13.jpg
This is a high-power photomicrograph of the tumor demonstrating the anaplastic cell morphology.
File:IPLab7Osteosarcoma12.jpg
This high-power photomicrograph of the tumor demonstrates the fusiform morphology of the cells. Note the marked variability in size and staining intensity of the nuclei.
File:IPLab7Osteosarcoma11.jpg
This is a high-power photomicrograph of the tumor cell morphology and the periosteum (arrow).
File:IPLab7Osteosarcoma10.jpg
This high-power photomicrograph demonstrates the growth pattern and the cell morphology.
File:IPLab7Osteosarcoma9.jpg
This high-power photomicrograph demonstrates the cellular growth pattern. Note that the cells are fusiform and they grow in sheets.
File:IPLab7Osteosarcoma8.jpg
This is a high-power photomicrograph of decalcified histologic section showing the cellularity of the tumor.
File:IPLab7Osteosarcoma7.jpg
This is a higher-power photomicrograph of decalcified histologic section from this tumor. There are areas of osteoid (1) and cellular areas (2).
File:IPLab7Osteosarcoma6.jpg
This is a low-power photomicrograph of decalcified histologic section from this tumor. Note the blue color (cell nuclei stain blue) of much of this section indicating the increased cellularity of the tumor.
File:IPLab7Osteosarcoma5.jpg
These are cut sections of the distal femur containing the tumor. The periosteal involvement is evident from this picture (arrows).
File:IPLab7Osteosarcoma4.jpg
This is a gross photograph of the surgical specimen with tissue dissected away to demonstrate the tumor mass.
File:IPLab7Osteosarcoma3.jpg
This is another view of the tumor in the distal femur.
File:IPLab7Osteosarcoma2.jpg
This is a radiograph showing the tumor in the distal femur.
File:IPLab7Osteosarcoma1.jpg
This is a photograph of the patient prior to surgery. Note the marked swelling of the knee.
IPLab:Lab 7:Carcinoid
Created page with "== Images == <gallery heights="250px" widths="250px"> File:IPLab7Carcinoid1.jpg|This is a low-power photomicrograph of the surgical specimen showing basophilic and eosinophili..."
File:IPLab7Carcinoid11.jpg
This is a high-power view of the same section stained with a silver stain to delineate carcinoid tumor cells (brown).
File:IPLab7Carcinoid10.jpg
This is a higher-power view of the previous section stained with a silver stain to delineate carcinoid tumor cells (brown) and a mucin stain (blue) to stain the glands.
File:IPLab7Carcinoid9.jpg
This is a low-power photomicrograph of a section of cecum containing tumor stained to demonstrate the secretory granules in these tumor cells (brown-colored stain). The blue color is the mucin in the glands just under the mucosal surface.
File:IPLab7Carcinoid8.jpg
This is a higher-power photomicrograph of the previous section showing intact mucosa (1), a gland (2), and the submucosal carcinoid tumor cells (3).
File:IPLab7Carcinoid7.jpg
This is a low-power photomicrograph of another one of the subcutaneous masses in the cecum. The mucosa is normal and the tumor cells are in the submucosa.