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• 01:47, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Metastatic9.jpg (This is a high-power photomicrograph of the edge of the tumor nodule in the lung. The tumor cells area growing in a glandular pattern. The area of necrosis is evident at the right side of the image.)
• 01:47, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Metastatic8.jpg (This is a high-power photomicrograph of the edge of the tumor nodule in the lung. The tumor cells are infiltrating into the lung parenchyma (1). Even at this power you can see the glandular formation of this adenocarcinoma. There is a large area of nec...)
• 01:47, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Metastatic7.jpg (This is a photomicrograph of a tumor nodule in the lung. The tumor cells are infiltrating into the lung parenchyma (1). There is a large area of necrosis in the center of the tumor (2).)
• 01:46, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Metastatic6.jpg (This is a high-power photomicrograph of tumor cells that are forming glands (arrows).)
• 01:46, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Metastatic5.jpg (This is a higher-power photomicrograph showing how the tumor cells (arrows) have infiltrated into the liver parenchyma.)
• 01:46, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Metastatic4.jpg (This is a photomicrograph taken at the interface between the tumor (top) and the normal liver parenchyma (bottom).)
• 01:46, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Metastatic3.jpg (These are low-power photomicrographs of a section of liver (left) and lung (right) containing tumor nodules (arrows).)
• 01:45, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Metastatic2.jpg (This gross photograph of the lung from this case also demonstrates multiple, variably sized pale/white-tan nodules scattered throughout the lung.)
• 01:45, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Metastatic1.jpg (This gross photograph of the liver from this case demonstrates multiple, variably-sized pale/white-tan nodules scattered throughout the liver.)
• 01:42, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7ColonCA9.jpg (This is a segment of distal colon from another case. Note the annular tumor that severely compromises the lumen of the colon. There is dilation of the colon proximal to the tumor.)
• 01:42, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7ColonCA8.jpg (This gross photograph from another case demonstrates an ulcerated adenocarcinoma (arrows) at the rectosigmoid junction.)
• 01:42, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7ColonCA7.jpg (This is a high-power photomicrograph of tumor cells forming glands.)
• 01:41, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7ColonCA6.jpg (This is a high-power photomicrograph of tumor cells forming glands.)
• 01:41, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7ColonCA5.jpg (This is a high-power photomicrograph of tumor cells invading the underlying muscularis.)
• 01:41, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7ColonCA4.jpg (This is a higher-power photomicrograph of the area of transition between the normal (1) and the neoplastic (2) epithelium.)
• 01:41, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7ColonCA3.jpg (This photomicrograph of the surgical specimen shows the transition between normal mucosa on the left and carcinoma which is invading the wall of the bowel (arrow).)
• 01:40, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7ColonCA2.jpg (This is a closer view of the previous image demonstrating the raised, annular carcinoma (arrows).)
• 01:40, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7ColonCA1.jpg (This is a gross photograph of the adenoma from the surgical specimen in this case. Note the large, ulcerated, fungating annular (encircling) carcinoma (1) with areas of hemorrhage (2). Also note the adenomatous polyps (3).)
• 01:37, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7EsophSCC7.jpg (This is a high-power photomicrograph of the tumor cells that have invaded the adjacent muscle tissue.)
• 01:37, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7EsophSCC6.jpg (This is a higher-power photomicrograph of bands of tumor cells (arrows) extending between the muscle bundles.)
• 01:37, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7EsophSCC5.jpg (This is a photomicrograph of bands of tumor cells invading into the adjacent tissues (arrows).)
• 01:37, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7EsophSCC4.jpg (This is a higher-power photomicrograph showing invasive squamous cell carcinoma. Tongues and islands of tumor cells exhibit areas of central necrosis (arrow).)
• 01:36, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7EsophSCC3.jpg (This is a high-power photomicrograph demonstrating the normal epithelium undergoing transition to carcinoma (arrows).)
• 01:36, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7EsophSCC2.jpg (This low-power photomicrograph of a cross-section through the esophagus at the area of constriction shows extensive infiltration of the esophageal wall with squamous cell carcinoma (arrows).)
• 01:36, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7EsophSCC1.jpg (This is a gross photograph of the luminal surface of the esophagus with the area of constriction (1). The area protrudes into the lumen. There is also a central area of ulceration (2).)
• 01:33, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7LipSCC8.jpg (This is a section of muscle tissue from this biopsy of the lip. Note that the squamous cell carcinoma has infiltrated into the muscle tissue. There are also inflammatory cells within this area of tumor infiltration.)
• 01:33, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7LipSCC7.jpg (This is a high power photomicrograph of a poorly-differentiated area of tumor. Note the spindle-shaped cells and the irregular pattern of growth.)
• 01:32, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7LipSCC6.jpg (This is a high power photomicrograph of the well-differentiated squamous cell carcinoma. Note the intracytoplasmic keratinization which gives the cells a glassy appearance. The focal accumulations of keratinized cells are called keratin pearls (arrows).)
• 01:32, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7LipSCC5.jpg (This is a higher-power photomicrograph of infiltrating squamous cell carcinoma and inflammatory cells.)
• 01:32, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7LipSCC4.jpg (This is a higher-power photomicrograph of the well-differentiated squamous cell carcinoma and the inflammatory cell infiltration.)
• 01:32, 21 August 2013 Seung Park (talk | contribs) uploaded 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.)
• 01:31, 21 August 2013 Seung Park (talk | contribs) uploaded 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).)
• 01:31, 21 August 2013 Seung Park (talk | contribs) uploaded 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.)
• 01:28, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Fibroadenoma7.jpg (This is a higher magnification of fibroadenoma showing irregularly shaped ducts lined by two layers of cells as previously described.)
• 01:28, 21 August 2013 Seung Park (talk | contribs) uploaded 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...)
• 01:28, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Fibroadenoma5.jpg (This is a higher-power photomicrograph of fibroadenoma showing ducts embedded in connective tissue.)
• 01:27, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Fibroadenoma4.jpg (This photomicrograph shows the compressed connective tissue (arrow) between two nodules of dense fibrous tissue and ducts.)
• 01:27, 21 August 2013 Seung Park (talk | contribs) uploaded 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.)
• 01:27, 21 August 2013 Seung Park (talk | contribs) uploaded 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.)
• 01:26, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Fibroadenoma1.jpg (This low-power photomicrograph of the surgical specimen demonstrates three ovoid, well-circumscribed nodules surrounded by fibroadipose tissue.)
• 01:23, 21 August 2013 Seung Park (talk | contribs) uploaded File:IPLab7Adenoma6.jpg (This high-power photomicrograph demonstrates the relatively normal cellular morphology of this follicular adenoma.)
• 01:23, 21 August 2013 Seung Park (talk | contribs) uploaded 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.)
• 01:23, 21 August 2013 Seung Park (talk | contribs) uploaded 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).)
• 01:22, 21 August 2013 Seung Park (talk | contribs) uploaded 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.)
• 01:22, 21 August 2013 Seung Park (talk | contribs) uploaded 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...)
• 01:22, 21 August 2013 Seung Park (talk | contribs) uploaded 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).)
• 21:58, 20 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6AcuteRejection10.jpg (This high-power photomicrograph demonstrates the cellular infiltrate within the interstitium and cells within the renal tubules.)
• 21:58, 20 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6AcuteRejection9.jpg (This is a high-power photomicrograph of cells infiltrating the wall of the blood vessel.)
• 21:58, 20 August 2013 Seung Park (talk | contribs) uploaded File:IPLab6AcuteRejection8.jpg (This high-power photomicrograph demonstrates the cellular infiltrate within the interstitium (1) and in the wall of the blood vessel (2).)
• 21:57, 20 August 2013 Seung Park (talk | contribs) uploaded 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.)

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