User contributions
21 August 2013
File:IPLab7LipSCC3.jpg
This photomicrograph shows a large area of ulceration (arrow) with underlying congestion and hemorrhage. The area of ulceration is adjacent to an area of tumor infiltration.
File:IPLab7LipSCC2.jpg
This is a low-power photomicrograph of squamous cell carcinoma of the lip. Note focal ulceration (1) and tumor infiltration at the vermilion border (2).
File:IPLab7LipSCC1.jpg
This is a pre-op photograph of this patient with an ulcerated lesion on his lip (arrow). Also note that the lip is somewhat thickened. The area for surgical excision is delineated by black marker.
IPLab:Lab 7:Fibroadenoma
Created page with "== Images == <gallery heights="250px" widths="250px"> File:IPLab7Fibroadenoma1.jpg|This low-power photomicrograph of the surgical specimen demonstrates three ovoid, well-circu..."
File:IPLab7Fibroadenoma7.jpg
This is a higher magnification of fibroadenoma showing irregularly shaped ducts lined by two layers of cells as previously described.
File:IPLab7Fibroadenoma6.jpg
This is a high magnification of the fibroadenoma showing the dense stroma of the tumor surrounding the irregularly shaped duct. The ducts are lined by two cell layers, one of cuboidal, two columnar cells (inner layer) and an outer layer of flattened ce...
File:IPLab7Fibroadenoma5.jpg
This is a higher-power photomicrograph of fibroadenoma showing ducts embedded in connective tissue.
File:IPLab7Fibroadenoma4.jpg
This photomicrograph shows the compressed connective tissue (arrow) between two nodules of dense fibrous tissue and ducts.
File:IPLab7Fibroadenoma3.jpg
This is a higher magnification of the fibroadenoma showing the dense stroma of the tumor surrounding the irregularly shaped ducts. The adjacent fibrofatty tissue containing breast ducts and lobules has been compressed by the tumor.
File:IPLab7Fibroadenoma2.jpg
This is a higher magnification of one of the three nodules. At this power, the nodule seems to be composed of a solid parenchyma with small glandular spaces. The adjacent breast parenchyma consists mostly of fat.
File:IPLab7Fibroadenoma1.jpg
This low-power photomicrograph of the surgical specimen demonstrates three ovoid, well-circumscribed nodules surrounded by fibroadipose tissue.
IPLab:Lab 7:Adenoma
Created page with "== Images == <gallery heights="250px" widths="250px"> File:IPLab7Adenoma1.jpg|This is a low-power photomicrograph of a nodule found in the thyroid of this case. Note that the ..."
File:IPLab7Adenoma6.jpg
This high-power photomicrograph demonstrates the relatively normal cellular morphology of this follicular adenoma.
File:IPLab7Adenoma5.jpg
This is a photomicrograph of an adenoma. Note that the follicular architecture is well developed and more or less uniform throughout this section.
File:IPLab7Adenoma4.jpg
This photomicrograph demonstrates the densely packed follicular pattern in the adenoma (left) and the larger colloid-filled follicles of the normal thyroid (right). An area of compressed thyroid is present adjacent to the adenoma (arrows).
File:IPLab7Adenoma3.jpg
This is another higher-power photomicrograph of the adenoma (left) and the adjacent thyroid tissue (right). Note the compression of the adjacent normal thyroid and the difference in morphology between the adenoma and the thyroid.
File:IPLab7Adenoma2.jpg
This is a higher-power view of the border between the tumor mass and the adjacent thyroid tissue. Note that the mass has compressed the adjacent normal thyroid tissue (arrow). Also note the different morphology between the adenoma (very cellular, dense...
File:IPLab7Adenoma1.jpg
This is a low-power photomicrograph of a nodule found in the thyroid of this case. Note that the mass is well-circumscribed and there is a sharp line of demarcation between the mass and the adjacent thyroid tissue (arrows).
20 August 2013
IPLab:Lab 6:Acute Rejection
Created page with "== Images == <gallery heights="250px" widths="250px"> File:IPLab6AcuteRejection1.jpg|This is a gross photograph of a kidney with acute rejection from an autopsy case. Note tha..."
File:IPLab6AcuteRejection10.jpg
This high-power photomicrograph demonstrates the cellular infiltrate within the interstitium and cells within the renal tubules.
File:IPLab6AcuteRejection9.jpg
This is a high-power photomicrograph of cells infiltrating the wall of the blood vessel.
File:IPLab6AcuteRejection8.jpg
This high-power photomicrograph demonstrates the cellular infiltrate within the interstitium (1) and in the wall of the blood vessel (2).
File:IPLab6AcuteRejection7.jpg
This high-power photomicrograph demonstrates the cellular infiltrate within the interstitium and in the wall of the blood vessel on the left.
File:IPLab6AcuteRejection6.jpg
This is a higher-power photomicrograph demonstrating the cellular infiltrate within the interstitium. There is some degeneration (coagulative necrosis) of tubules and glomeruli.
File:IPLab6AcuteRejection5.jpg
This is a higher-power photomicrograph demonstrating the cellular infiltrate within the interstitium and around the small blood vessel in the center of the image.
File:IPLab6AcuteRejection4.jpg
This is a higher-power photomicrograph demonstrating the cellular infiltrates within this kidney section. Note that in addition to the diffuse cellularity, the focal accumulations of cells appear to be focused around blood vessels.
File:IPLab6AcuteRejection3.jpg
This is a higher-power photomicrograph demonstrating the cellular infiltrates within this kidney section.
File:IPLab6AcuteRejection2.jpg
This is a low-power photomicrograph of the kidney that was removed from this patient. Even at this low power you can appreciate the focal accumulations of cells within this section and the diffuse cellular infiltrate (blue dots) throughout the kidney p...
File:IPLab6AcuteRejection1.jpg
This is a gross photograph of a kidney with acute rejection from an autopsy case. Note that the kidney is swollen (edema and inflammation) and there are areas of hemorrhage throughout the kidney.
IPLab:Lab 6:Chronic Rejection
Created page with "== Images == <gallery height="250px" widths="250px"> File:IPLab6ChronicRejection1.jpg|This is a low-power photomicrograph of the kidney from this case of chronic transplant re..."
File:IPLab6ChronicRejection12.jpg
Photomicrograph from another region of previous image. Note the cellular infiltrate around a small blood vessel (right) and neutrophils within renal tubules (arrow).
File:IPLab6ChronicRejection11.jpg
This is a higher-power photomicrograph of kidney from the previous image demonstrating the cellular infiltrate which is comprised of lymphocytes, macrophages, plasma cells and a few neutrophils.
File:IPLab6ChronicRejection10.jpg
This is a high-power photomicrograph of a kidney from another case of chronic transplant rejection. In this case there is extensive damage to the kidney due to the chronic rejection (loss of tubules and glomerular lesions). In addition, this kidney was...
File:IPLab6ChronicRejection9.jpg
This is a high-power photomicrograph of a damaged glomerulus. Note the loss of normal capillary structure, the mesangial expansion and the infiltration of large mononuclear cells.
File:IPLab6ChronicRejection8.jpg
This is a high-power photomicrograph of renal cortex with cellular infiltrate and few remaining renal tubules. The cellular infiltrate comprises macrophages, activated (large) lymphocytes and a few neutrophils and plasma cells.
File:IPLab6ChronicRejection7.jpg
This is a photomicrograph of a glomerulus with a mild cellular infiltrate (left) and a small damaged glomerulus (right). There is extensive interstitial fibrosis (1), loss of renal tubules, and the remaining tubules contain protein (2) indicating sever...
File:IPLab6ChronicRejection6.jpg
This is a photomicrograph of rejected kidney with a focus of cellular infiltrate (left) and a small artery with neointimal proliferation and stenosis (arrow).
File:IPLab6ChronicRejection5.jpg
This high-power photomicrograph of glomeruli from this kidney demonstrates congestion (1), increased cellularity of glomeruli with mesangial expansion, and a glomerulus that is almost completely obliterated or sclerosed (2).
File:IPLab6ChronicRejection4.jpg
This is another area of renal cortex similar to the previous image. Note the fibrosis (1) and loss of renal tubules throughout this section. Also note the focus of inflammatory cells (2) indicating that despite the chromic nature of this lesion, there ...
File:IPLab6ChronicRejection3.jpg
This is a photomicrograph of kidney with a focal area of hemorrhage around a small blood vessel (left) and congestion of the glomeruli. Note that there is a marked loss of renal tubules throughout this section with replacement by fibrous connective tis...
File:IPLab6ChronicRejection2.jpg
This is a higher-power photomicrograph of kidney containing a section of blood vessel that demonstrates a marked neointimal proliferative response (1). In this case the lumen of the artery is obliterated. Also note the cellular infiltrate in the inters...
File:IPLab6ChronicRejection1.jpg
This is a low-power photomicrograph of the kidney from this case of chronic transplant rejection. Note the focal areas of hemorrhage and inflammatory cell infiltrate in this section.
IPLab:Lab 6:Multiple Myeloma
Created page with "== Images == <gallery heights="250px" widths="250px"> File:IPLab6MM1.jpg|This is a low-power photomicrograph of the mediastinal mass. The mass is encapsulated and contains cel..."
File:IPLab6MM4.jpg
This is a photograph of the vertebral column from this patient at autopsy. Notice the collapsed vertebra (1). There are multiple variably-sized white nodules (2) within the bone marrow. These are accumulations of malignant plasma cells in this case of ...
File:IPLab6MM3.jpg
This high-power photomicrograph demonstrates the cells that make up this tissue. These cells resemble plasma cells and are the malignant cell of multiple myeloma.
File:IPLab6MM2.jpg
This higher-power photomicrograph shows the junction between an amorphous hyaline-appearing area (amyloid) on the right and cellular areas (plasmacytoid cells) on the left.
File:IPLab6MM1.jpg
This is a low-power photomicrograph of the mediastinal mass. The mass is encapsulated and contains cellular areas (blue) and areas of pale red material.
IPLab:Lab 6:Amyloidosis
Created page with "== Images == <gallery heights="250px" widths="250px"> File:IPLab6Amyloid1.jpg|This is a gross picture of liver from this case. Note the pale, swollen appearance of this liver...."
File:IPLab6Amyloid11.jpg
This photomicrograph of the tongue demonstrates extensive amyloid deposits (1) separating the skeletal muscle fibers of the tongue. In many cases the amyloid encircles the muscle fibers (2) and these muscle fibers are atrophied.
File:IPLab6Amyloid10.jpg
This photomicrograph of kidney demonstrates the amyloid deposits (arrows) within glomeruli.