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• 02:16, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Osteosarcoma14.jpg (This is a high-power photomicrograph of the tumor demonstrating the anaplastic cell morphology.)
• 02:16, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Osteosarcoma13.jpg (This is a high-power photomicrograph of the tumor demonstrating the anaplastic cell morphology.)
• 02:15, 21 August 2013 Seung Park (talk | contribs) uploaded 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.)
• 02:15, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Osteosarcoma11.jpg (This is a high-power photomicrograph of the tumor cell morphology and the periosteum (arrow).)
• 02:15, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Osteosarcoma10.jpg (This high-power photomicrograph demonstrates the growth pattern and the cell morphology.)
• 02:15, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Osteosarcoma9.jpg (This high-power photomicrograph demonstrates the cellular growth pattern. Note that the cells are fusiform and they grow in sheets.)
• 02:14, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Osteosarcoma8.jpg (This is a high-power photomicrograph of decalcified histologic section showing the cellularity of the tumor.)
• 02:14, 21 August 2013 Seung Park (talk | contribs) uploaded 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).)
• 02:14, 21 August 2013 Seung Park (talk | contribs) uploaded 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.)
• 02:14, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Osteosarcoma5.jpg (These are cut sections of the distal femur containing the tumor. The periosteal involvement is evident from this picture (arrows).)
• 02:13, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Osteosarcoma4.jpg (This is a gross photograph of the surgical specimen with tissue dissected away to demonstrate the tumor mass.)
• 02:13, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Osteosarcoma3.jpg (This is another view of the tumor in the distal femur.)
• 02:13, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Osteosarcoma2.jpg (This is a radiograph showing the tumor in the distal femur.)
• 02:13, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Osteosarcoma1.jpg (This is a photograph of the patient prior to surgery. Note the marked swelling of the knee.)
• 02:08, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Carcinoid11.jpg (This is a high-power view of the same section stained with a silver stain to delineate carcinoid tumor cells (brown).)
• 02:08, 21 August 2013 Seung Park (talk | contribs) uploaded 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.)
• 02:08, 21 August 2013 Seung Park (talk | contribs) uploaded 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.)
• 02:08, 21 August 2013 Seung Park (talk | contribs) uploaded 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).)
• 02:07, 21 August 2013 Seung Park (talk | contribs) uploaded 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.)
• 02:07, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Carcinoid6.jpg (This is a higher-power photomicrograph of the previous section showing the intact mucosa (right) and the submucosal carcinoid tumor.)
• 02:07, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Carcinoid5.jpg (This is a low-power photomicrograph of one of the subcutaneous masses in the cecum. Note that the mucosa (1) is virtually normal and the tumor cells are in the submucosa (2).)
• 02:07, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Carcinoid4.jpg (This is a high-power photomicrograph of the surgical specimen showing the cellular morphology. The tumor cells are monotonously similar with scant, pink, granular cytoplasm and a round-to-oval stippled nucleus. As in most carcinoid tumors, there is min...)
• 02:06, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Carcinoid3.jpg (This is a high-power photomicrograph of the surgical specimen showing the tumor's growth pattern--cells form discrete islands, trabeculae, and glands.)
• 02:06, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Carcinoid2.jpg (This is a higher-power photomicrograph of the surgical specimen showing nests of tumor cells (arrows).)
• 02:06, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Carcinoid1.jpg (This is a low-power photomicrograph of the surgical specimen showing basophilic and eosinophilic areas delimiting areas of tumor infiltration.)
• 02:01, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Bronchogenic9.jpg (This high-power photomicrograph of tumor shows the cytologic detail of a less-differentiated area of neoplasm with cellular anaplasia.)
• 02:01, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Bronchogenic8.jpg (This is a high power photomicrograph of tumor with an area of central necrosis (arrow).)
• 02:01, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Bronchogenic7.jpg (This is a high-power photomicrograph showing cytologic detail of the tumor with an area of necrosis (1) and a more differentiated area with keratin pearl formation (2).)
• 02:00, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Bronchogenic6.jpg (This is a photomicrograph of tumor from an area of invasion with compression of fibrous stroma and focal necrosis.)
• 02:00, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Bronchogenic5.jpg (This is a higher-power photomicrograph of the mucosal surface (right) with an area of hemorrhage (arrow) and underlying tumor (left).)
• 02:00, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Bronchogenic4.jpg (This is a higher-power photomicrograph of bronchus with the ulcerated mucosal surface on the right and tumor underneath.)
• 02:00, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Bronchogenic3.jpg (This is a photomicrograph of bronchus with ulcerated mucosal surface on the right (1). The submucosa is completely filled with tumor down to the cartilage (2).)
• 02:00, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Bronchogenic2.jpg (This is a low-power photomicrograph of bronchus showing normal mucosa (1) with transition to carcinoma (2). Note the bronchial cartilage (3) and the invasion of tumor through the entire wall of the bronchus with tumor extending to the serosal surface (4).)
• 01:59, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Bronchogenic1.jpg (This is a gross photograph of bronchogenic carcinoma. The large tumor mass can be seen adjacent to the bronchus (1). Note that the epithelial surface of the bronchus is rough and irregular (2). The first branch off the right main stem bronchus is parti...)
• 01:57, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Melanoma8.jpg (This is a high-power photomicrograph of the main tumor mass showing the cellular details. The individual melanoma cells contain large nuclei with irregular contours having chromatin clumped at the periphery of the nuclear membrane and prominent red (eo...)
• 01:56, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Melanoma7.jpg (This is a high-power photomicrograph of the main tumor mass with the cells growing as poorly formed nests and sheets of cells. There is little if any pigment in this section.)
• 01:56, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Melanoma6.jpg (This is a higher magnification showing the abundant extracellular melanin surrounding the tumor cells (brown pigment).)
• 01:56, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Melanoma5.jpg (This is a higher-magnification showing the abundant extracellular melanin (arrows) surrounding the tumor cells. This section of neoplasm shows the numerous cells with abundant cytoplasm and brown pigment within the cytoplasm of some of these cells.)
• 01:56, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Melanoma4.jpg (This higher-power photomicrograph shows the remaining portion of lymph node (arrow). The rest of the lymph node is invaded by a neoplasm composed of cells with lighter eosinophilic cytoplasm and pigment.)
• 01:55, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Melanoma3.jpg (This 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.)
• 01:55, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Melanoma2.jpg (This is a gross photograph of lymph nodes almost entirely replaced by black pigment (melanin).)
• 01:55, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Melanoma1.jpg (This is a gross photograph of skin with melanoma. Note the black pigment, multiple satellite nodules, and focal ulceration. Some of the satellite nodules affect the nipple.)
• 01:51, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7IDC8.jpg (This is a high-power photomicrograph demonstrating the growth pattern of the tumor. The tumor consists of malignant duct-lining cells growing in cords, solid cell nests, tubules, and glands. The cytologic detail of tumor cells varies from small cells w...)
• 01:51, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7IDC7.jpg (This is a section taken at the periphery of the tumor showing bands of tumor cells infiltrating into the fat tissue.)
• 01:51, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7IDC6.jpg (This is a section of breast tumor with abundant fibrous tissue throughout the tumor (desmoplasia, scirrhous carcinoma).)
• 01:51, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7IDC5.jpg (This is a high-power photomicrograph showing the cellular and nuclear features of the tumor cells. The large epithelial cells form glands and are medium-sized with a moderate amount of cytoplasm, vesicular nuclei, and nucleoli.)
• 01:50, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7IDC4.jpg (This is a higher-magnification showing abundant groups of tumor cells dissecting through the breast parenchyma - tumor infiltration (infiltrating duct cell carcinoma).)
• 01:50, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7IDC3.jpg (This is a section of breast with small groups of carcinoma cells throughout the breast tissue and invading through the dermis.)
• 01:50, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7IDC2.jpg (These 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.)
• 01:50, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7IDC1.jpg (This is a gross photograph of the surgical specimen of breast with infiltrating duct carcinoma. Note the tumor tissue under the area of the nipple. The tumor infiltrates in an irregular fashion into the breast parenchyma. Note the nipple retraction cau...)

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