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Microscopic photo showing a cross section of a dilated appendix filled with tenacious mucinous secretion. Neoplastic glandular lining epithelium is focally identified in the dilated appendix wall. H & E stain. 10X. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Microscopic photo. H&E-stained. Original objective magnification 2X. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA
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Microscopic photo. H & E stain. Original objective magnification 20x. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
Miicroscopic photo showing nodular atypical epithelial proliferation which is positive for E-Cadherin. IHC stain. 10x objective magnification. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Microscopic photo showing a cross section of a dilated appendix filled with tenacious mucinous secretion. Mucin focally dissects into the appendix wall which is partially lined by neoplastic glandular epithelium. H & E stain. 4X. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Microscopic photo. ThinPrep. Papanicolaou stain. 100X oil. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA
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Microscopic photo showing a hydropic villi with circumferential proliferation of hyperplastic trophoblasts. Central cistern formation (internal clefting) is present. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Microscopic photo showing variable sized three tumor cells, and one of them has intracytoplasmic lumen formation (black arrow). Papanicolaou stain. 40x. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Microscopic photo showing positive HER2 by FISH (with HER2/CEP17 ratio > 2, and average HER2 copy number per tile is > 8). Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA
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Microscopic photo showing encapsulated lobulated lipomatous lesion with vascular congestion. The capsule is indicated by yellow arrows. H&E stain. Original magnification 10X. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA
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Gross photo showing a hemorrhagic bulky intraluminal polypoid mass at lower uterine segment (yellow arrows). Multiple submucosal and intramural leiomyomas are present (blue stars). Abundent blood clots are removed from endometrial cavity before taking gross photos. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Gross photo showing a fresh Whipple resection specimen with a mass (white arrow) at ampullary area. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Microscopic photo. H & E stain. Original objective magnification 20x. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
Microscopic photo showing positive sentinel lymph node largely replaced by metastatic discohesive tumor cells. H & E stain. Original objective magnification 20x. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
Gross photo showing an endometrial curettage specimen containing abnormal placenta tissue with presence of numerous grape-like, swollen chorionic villi. No fetal tissue is identified. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Microscopic photo showing tumor tissue is diffusely positive for calretinin. IHC stain. Original objective magnification 10x. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
Microscopic photo showing tumor cells with patchy positive cytoplasmic staining of HMB-45. IHC stain. Original objective magnification 20X. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA
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Microscopic photo showing well defined fibrous capsule (left upper corner of the photo). H&E stain. Original magnification 10X. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA
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Miicroscopic photo showing nodular atypical ductal epithelial proliferation which is similar to DCIS morphologically. H&E stain. 10x objective magnification. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Microscopic photo showing extra-appendix mucin present in the cecum serosa with no neoplastic epithelial cells. Numerous psammoma bodies (dystrophic calcifications) are present at the edge of dissecting mucin. H & E stain. 10X. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Microscopic photo. H & E stain. 20X. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Gross photo showing a large ovarian tumor with solid and cystic cut surface. Hemorrhage and necrosis are grossly visible. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Microscopic photo showing benign colonic mucosa with patchy unlined variable sized clear spaces in the lamina propria. H&E stain. 20X objective magnification. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Microscopic photo showing eosinophilic papillary tumor which is characterized by columnar tumor cells with eosinophilic granular cytoplasm and Fuhrman nuclear grade 3. H & E stain. 40X. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Microscopic photo showing "twinning" or "double germinal centers" in which two or more atrophic germinal centers (white arrows) are encircled by a single mantle zone. Hematoxylin and Eosin stain. 20X. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Microscopic photo showing single as well as clusters of residual tumor cells after neoadjuvant chemotherapy. Overall, the tumor cellularity is markedly decreased. The borders of tumor clusters are well defined and tend to shrink away from the stroma. This feature should not be misinterpreted as lymphovascular invasion. H&E stain. 20x original objective magnification. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Gross photo showing a large encapsulated glistening thyroid nodule with hemorrhagic friable and lobulated parenchyma. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Microscopic photo showing intraluminal mucin and extracellular mucin pools which are confirmed by PAS stain. 20X. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Microscopic photo showing invasive tumor cells are diffusely positive for WT-1 staining. IHC stain. 20X objective magnification. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Microscopic photo showing diffuse cytoplasmic staining of bcl-2 in tumor cells. IHC stain. Objective amplification 20x.Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Microscopic photo showing intravascular proliferation of leiomyoma (black arrow). H & E stain. 20X. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA. (乔建华医学博士， 美国病理学家学院专家会员。美国加州洛杉矶)
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Microscopic photo showing dilated appendix lumen filled with abundant mucin. The appendiceal mucosa is atrophic and flattened. No neoplastic glandular epithelial cells are seen. H&E stain. Original magnification 4X. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA
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Microscopic photo. H & E stain. 10x. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
Microscopic photo. H & E stain. Original objective magnification 10x. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
Microscopic photo showing embryonal carcinoma with foci of lymphovascular tumor invasion. H & E Stain 20X. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Microscopic photo showing numerous intracellular and extracellular histoplasma cells. 100X Oil. PAS fungal stain. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA
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Microscopic photo showing metastatic prostate cancer with positive stain for PSAP (prostatic specific acid phosphatase). IHC stain. 40x. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Microscopic photo showing extensive submucosal lobulated lipomatous proliferation. The mucosa shows well-defined crypts resembling cecal mucosa. H&E stain. Original magnification: 10x. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA
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Microscopic photo showing positive SMMHC stains in numerous myoepithelial cells of an intraductal papilloma. IHC stain. 20X objective magnification. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA. (乔建华医学博士，美国病理学家学院专家会员。美国加州洛杉矶)
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Microscopic photo showing the demyelinated plaque is filled with histiocytes which are positive for CD68. Palisading histiocytes are present at the periphery of the lesion. IHC stain. 10X Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Microscopic photo showing perivascular reactive lymphocytes which are positive for CD3. IHC stain. 10X Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Gross photo showing a resected segment of sigmoid colon with multiple subserosal whitish tumor nodules. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Microscopic photo showing squamous metaplasia of amnion of chorionic plate. H&E stain. Original magnification 20X. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA
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Microscopic photo showing tumor tissue with necrosis mainly involving hypercellular stroma.. H&E stain. 4X objective magnification. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Microscopic photo showing a colon polyp lined by neoplastic crypts with both hyperplastic and adenomatous features. H & E stain. 20X. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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