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Date Name Thumbnail ascSize User Description Versions
20:43, 20 August 2013IPLab8Polio1.jpg (file)3 KBSeung ParkThis 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.1
20:13, 20 August 2013IPLab7Osteosarcoma3.jpg (file)10 KBSeung ParkThis is another view of the tumor in the distal femur.1
09:12, 15 August 2013IPLab1KidneyInfarction3.jpg (file)11 KBSeung Park 1
12:07, 19 August 2013IPLab6RA5.jpg (file)11 KBSeung ParkThis is a low-power photomicrograph of the subcutaneous nodule from this patient.1
19:50, 20 August 2013IPLab7IDC2.jpg (file)12 KBSeung ParkThese are sections of normal breast (lower) and breast tissue with infiltrating duct carcinoma (upper). Note the increased cellularity (increased blue staining due to the increased number of nuclei) in the tumor tissue.1
20:12, 18 August 2013IPLab3AcuteAppendicitis7.jpg (file)13 KBSeung ParkThis is a gross photograph of the open abdominal cavity of a patient with acute appendicitis. In this patient, there had been rupture of the appendix with spillage of intestinal contents into the abdominal cavity. This spillage resulted in an acute abd...1
20:10, 18 August 2013IPLab3AcuteAppendicitis2.jpg (file)13 KBSeung ParkThis is a low-power photomicrograph of a normal appendix on the right and an appendix with acute inflammatory response on the left. Note the abundant blue-stained lymphoid tissue beneath the mucosal layer and the absence of blue-staining cells in the s...1
22:06, 20 August 2013IPLab10Histo1.jpg (file)13 KBSeung ParkThis low-power photomicrograph shows a section of adrenal gland with several irregularly-outlined areas of necrosis.1
23:04, 20 August 2013IPLab11Cysticercosis4.jpg (file)13 KBSeung ParkThis is a photograph of the body of an adult tapeworm. Note the body segments.1
22:58, 20 August 2013IPLab11Leishmaniasis2.jpg (file)13 KBSeung ParkThis is a low-power photomicrograph of the biopsy taken from this skin lesion. The ulcerated surface is at the top. Note that the specimen is heavily infiltrated with inflammatory cells.1
22:10, 18 August 2013IPLab3FibrinousPericarditis3.jpg (file)13 KBSeung ParkThis low-power photomicrograph illustrates the dark-red-staining fibrin deposits on the inner surface (arrows). This pericardium is much thicker than normal and there are numerous inflammatory cells within the pericardial tissue.1
23:44, 20 August 2013IPLab13Myelomeningocele2.jpg (file)15 KBSeung ParkThis gross photograph shows consecutive lumbar vertebra from this case. Note the defect (arrows) in the two vertebral bodies on the right. This defect was caused by failure of the vertebral column to properly close.1
17:08, 16 July 2014HistologicChapter12GallbladderDiagram.jpg (file)15 KBMatthew Anderson 1
23:45, 20 August 2013IPLab13Myelomeningocele4.jpg (file)16 KBSeung ParkThis is a low-power photomicrograph of one of the vertebral bodies from this case. In this section there are defects (arrows) in the vertebral body but the skin can be seen over the open vertebral canal.1
23:01, 20 August 2013IPLab11Ascariasis2.jpg (file)16 KBSeung ParkThis is a photograph of an autopsy specimen from another case of ascariasis. The adult ascarid (arrow) can be seen in the section of small bowel from this patient.1
10:32, 10 January 2014CytologicallyYoursUnknowns201311-3-03.jpg (file)16 KBStephanie Simmons 1
23:45, 20 August 2013IPLab13Myelomeningocele3.jpg (file)17 KBSeung ParkThis is a closer view of the previous gross photograph showing a normal lumbar vertebra from this case on the left. Once again, note the defect (arrow) in the vertebral body on the right due to failure of the vertebral column to close properly.1
12:27, 19 August 2013IPLab5Downs2.jpg (file)17 KBSeung ParkThese cells, obtained by amniocentesis, were cultured and then arrested in metaphase. Nuclei from these cells were isolated and stained to demonstrate the banding pattern of each chromosome. This photograph shows a "chromosome spread." Each chromosome ...1
23:03, 20 August 2013IPLab11Cysticercosis1.jpg (file)17 KBSeung ParkThis is a head CT showing the two cysts (arrows).1
20:13, 20 August 2013IPLab7Osteosarcoma2.jpg (file)17 KBSeung ParkThis is a radiograph showing the tumor in the distal femur.1
14:04, 10 July 2014HistologicChapter6BrainSagittalSectionLabelled.gif (file)18 KBMatthew Anderson 1
12:27, 19 August 2013IPLab5Downs1.jpg (file)18 KBSeung ParkThis is a photomicrograph of cells obtained by amniocentesis that were stained using FISH. The cell in panel 1 was stained with markers specific for the X and Y-chromosomes. The cell in panel 2 was stained with a marker specific for chromosome 18. The ...1
23:01, 20 August 2013IPLab11Ascariasis3.jpg (file)19 KBSeung ParkThis is a high-power photomicrograph of a fecal specimen from this patient showing an ascarid egg (arrow).1
22:58, 20 August 2013IPLab11Leishmaniasis6.jpg (file)19 KBSeung ParkThis is a high-power photomicrograph of a touch prep made from the skin lesion at the time of biopsy. A single macrophage can be seen with intracytoplasmic leishmania organisms (arrows).1
13:59, 20 August 2013IPLab6Scleroderma5.jpg (file)19 KBPeter AndersonThis is a gross photograph of the heart from this case. There is thickening of the left ventricular wall and some thickening of the right ventricle as well.1
20:13, 20 August 2013IPLab7Osteosarcoma1.jpg (file)19 KBSeung ParkThis is a photograph of the patient prior to surgery. Note the marked swelling of the knee.1
12:28, 19 August 2013IPLab5Downs5.jpg (file)19 KBSeung ParkThis is a karyotype of a patient with Klinefelter syndrome (47, XXY).1
00:05, 21 August 2013IPLab13Meningococcemia6.jpg (file)20 KBSeung ParkThis is a low-power photomicrograph of the adrenal gland from this case. Note that the entire gland is hemorrhagic.2
09:20, 20 August 2013IPLab5Gout8.jpg (file)20 KBPeter AndersonThis is a gross photograph of a tophus on the great toe of another patient with gout (arrow). The healed surgical incision and the size of this tophus indicate that this was a long-standing problem for this patient.1
23:03, 20 August 2013IPLab11Cysticercosis2.jpg (file)20 KBSeung ParkThis is a photograph of the cyst that was surgically removed. The cyst is filled with a clear fluid and contains a scolex.1
11:42, 20 August 2013IPLab6Hashimoto1.jpg (file)20 KBPeter AndersonThis is a gross photograph of thyroid gland taken at autopsy. The gland is only slightly enlarged and has a firm texture.1
12:29, 19 August 2013IPLab5Downs6.jpg (file)20 KBSeung ParkThis is a karyotype of a patient with Turner syndrome (45, X).1
10:22, 19 August 2013IPLab4ChronicPassiveCongestion8.jpg (file)21 KBSeung ParkThis is a gross photograph of a nutmeg. You can see from the appearance of the cut surface of the nutmeg (arrow) why chronic passive congestion of the liver is sometimes referred to as "nutmeg liver."1
19:55, 20 August 2013IPLab7Melanoma3.jpg (file)21 KBSeung ParkThis is a low-power photomicrograph of lymph node that is almost completely replaced/filled with tumor. This lymph node has a capsule (1) and some remaining lymphocytes (2) but the remainder of the node is replaced by tumor cells.1
19:31, 20 August 2013IPLab7LipSCC2.jpg (file)21 KBSeung ParkThis is a low-power photomicrograph of squamous cell carcinoma of the lip. Note focal ulceration (1) and tumor infiltration at the vermilion border (2).1
10:20, 19 August 2013IPLab4ChronicPassiveCongestion3.jpg (file)21 KBSeung ParkThis low-power photomicrograph of liver demonstrates a slightly visible pattern of centrilobular congestion at this magnification.1
12:28, 19 August 2013IPLab5Downs3.jpg (file)21 KBSeung ParkChromosomes from the chromosome spread are lined up to demonstrate the karyotype. In this case there are three copies of chromosome 21, just as noted in the FISH.1
20:50, 15 August 2013IPLab1Tuberculosis4.jpg (file)21 KBSeung Park 1
00:06, 21 August 2013IPLab13Meningococcemia8.jpg (file)21 KBSeung ParkThis is a higher-power photomicrograph of a smear of cerebrospinal fluid taken at autopsy. Note the Gram-negative cocci in this smear, indicative of N. meningitidis.1
09:18, 20 August 2013IPLab5Gout3.jpg (file)21 KBPeter AndersonThis is a low-power photomicrograph of the tophus removed from the elbow of this patient. Note the fibrous connective tissue (1) and the large foci containing the urate crystals (2) surrounded by the intense chronic inflammatory reaction.1
22:55, 20 August 2013IPLab11Malaria3.jpg (file)22 KBSeung ParkThis is yet another high power photomicrograph of a thin smear of blood from this patient. There is one RBC that contains two ring stage trophozoites (arrow). This is characteristic of, but not diagnostic for, P. falciparum.1
20:47, 20 August 2013IPLab8HBV1.jpg (file)22 KBSeung ParkThis is a low-power photomicrograph of liver from this case. This section was stained with a modified aldehyde fuchsin and counterstained with hematoxylin and eosin. Modified aldehyde fuchsin colors cystine-rich proteins--such as HBsAg and elastic fibe...1
07:49, 15 August 2013IPLab1MyocardialInfarction2.jpg (file)22 KBSeung Park 1
21:38, 18 August 2013IPLab3Tuberculosis2.jpg (file)22 KBSeung ParkThis low-power photomicrograph of a section of lung reveals multiple large nodules (1) with pale eosinophilic centers surrounded by a rim of blue-staining nuclei. In addition to the large nodules, there are several smaller nodules throughout the slide ...1
09:17, 20 August 2013IPLab5Gout1.jpg (file)22 KBPeter AndersonThis is a gross photograph of an index finger from a patient with gout. The finger has been sectioned longitudinally to demonstrate the distal interphalangeal joint. Note the white chalky material within and adjacent to the joint (arrows).1
10:54, 19 August 2013IPLab2FattyChange2.jpg (file)22 KBPeter AndersonThis low-power photomicrograph of liver illustrates a very pale-staining section with a uniform appearance throughout the section.1
23:01, 20 August 2013IPLab11Ascariasis4.jpg (file)22 KBSeung ParkThis is a higher-power photomicrograph of another ascarid egg.1
12:28, 19 August 2013IPLab5Downs4.jpg (file)22 KBSeung ParkFISH is also useful in the diagnosis of other genetic disorders. This is an example of FISH staining on another patient using a probe specific for DiGeorge's disease. The arrow shows that there is a deletion on chromosome 22, which is diagnostic for Di...1
10:00, 19 August 2013IPLab2Atrophy1.jpg (file)23 KBPeter AndersonThis is a gross photograph of an atrophied testis (arrows).1
08:53, 20 August 2013IPLab5Hemochromatosis3.jpg (file)23 KBPeter AndersonThis is a low-power micrograph of liver from this patient. Note the nodularity of the tissue (arrows).1

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