/* Sequence of slide descriptions */ desc01 = 'Case 1 - Figure 1 At low power the spleen contains a nodule with central necrosis. While not encapsulated, the nodule is relatively sharply defined from the surrounding spleen. '; desc02 = 'Case 1 - Figure 2 A pseudocapsule of dense fibrosis is at the margin of the lesion. '; desc03 = 'Case 1 - Figure 3 A polymorphous lymphoid infiltrate surrounds an area of fibrinoid necrosis. '; desc04 = 'Case 1 - Figure 4 At the periphery numerous foamy histiocytes are admixed with plasma cells. '; desc05 = 'Case 1 - Figure 5 In areas a marked plasmacytosis is seen. '; desc06 = 'Case 1 - Figure 6 Fibrin thrombi are seen in some vascular spaces. '; desc07 = 'Case 1 - Figure 7 An SMA stain demonstrates increased positive spindle cells within the lesion. '; desc08 = 'Case 1 - Figure 8 The nuclei of the admixed spindle cells are positive with EBER in situ hybridization for EBV. '; desc09 = 'Case 2 - Figure 1 Tumor cells arranged in follicles, a focal feature alternating with more solid areas. '; desc10 = 'Case 2 - Figure 2 Follicles contain pale eosinophilic secretions. '; desc11 = 'Case 2 - Figure 3 Sheets of cellular tumor with mild to moderate nuclear atypia and mitotic activity (up to 2/hpf). '; desc12 = 'Case 2 - Figure 4 Tumor arranged in islands and nests. '; desc13 = 'Case 2 - Figure 5 Tumor cells are large and rounded with abundant eosinophilic cytoplasm '; desc14 = 'Case 2 - Figure 6 High power view to demonstrate focal nesting and trabecular arrangement of tumor cells. '; desc15 = 'Case 2 - Figure 7 '; desc16 = 'Case 3 - Figure 1 There are lobular clusters of enlarged seminiferous tubules scattered in the testicular parenchyma. '; desc17 = 'Case 3 - Figure 2 In this cluster of abnormal tubules the diameters are enlarged up to 4 times those of adjacent normal tubules. The abnormal tubules contain a cellular proliferation as well as numerous round deposits of eosinophilic matrix. '; desc18 = 'Case 3 - Figure 3 At higher magnification it is apparent that the basement membrane around the tubules is thickened and projects into the lumen as globular extensions. The cells in the tubules represent large Sertoli cells with pale, eosinophilic cytoplasm. '; desc19 = 'Case 3 - Figure 4 The large intraluminal Sertoli cells have uniform, round nuclei with fine chromatin and small nucleoli. Their cytoplasm is eosinophilic and vacuolated. Mitotic figures are not seen. '; desc20 = 'Case 4 - Figure 1 Low magnification photomicrograph showing granulomatous inflammation exquisitely localized to small airways. Intervening lung tissue is relatively unaffected. '; desc21 = 'Case 4 - Figure 2 Higher magnification photomicrograph showing well formed, non-necrotizing granuloma. '; desc22 = 'Case 4 - Figure 3 Intermediate magnification photomicrograph showing chronic bronchiolitis with associated granuloma within the lumen of the affected airway. '; desc23 = 'Case 4 - Figure 4 Higher magnification view of intralumenal granuloma illustrated in Figure 3. '; desc24 = 'Case 4 - Figure 5 Intermediate magnification photomicrograph showing granuloma with central necrosis. '; desc25 = 'Case 4 - Figure 6 Higher magnification view of granuloma depicted in Figure 5 illustrating focal central necrosis. '; desc26 = 'Case 4 - Figure 7 Intermediate magnification photomicrograph showing chronic bronchiolitis with associated granuloma in peribronchiolar interstitium. This focus more closely resembles classical chronic hypersensitivity pneumonia. '; desc27 = 'Case 4 - Figure 8 Higher magnification view showing interstitial granuloma illustrated in Figure 7. '; desc28 = 'Case 5 - Figure 1 Low-power view of the pancreatic mass '; desc29 = 'Case 5 - Figure 2 Progressively higher magnification views of a representative pancreatic duct '; desc30 = 'Case 5 - Figure 3 Progressively higher magnification views of a representative pancreatic duct '; desc31 = 'Case 5 - Figure 4 Progressively higher magnification views of a representative pancreatic duct '; desc32 = 'Case 5 - Figure 5 Intermediate and high-magnification views of the pancreatic mass '; desc33 = 'Case 5 - Figure 6 Intermediate and high-magnification views of the pancreatic mass '; desc34 = 'Case 5 - Figure 7 Intermediate and high-magnification views of blood vessels adjacent to the pancreatic mass '; desc35 = 'Case 5 - Figure 8 Intermediate and high-magnification views of blood vessels adjacent to the pancreatic mass '; desc36 = 'Case 5 - Figure 9 Another pancreatic duct '; desc37 = 'Case 5 - Figure 10 High-power view of the pancreatic mass '; descv1 = 'Case 1 - Virtual Slide 1 - Click this thumbnail image to view Virtual Slide in a Web Viewer'; descv2 = 'Case 2 - Virtual Slide 1 - Click this thumbnail image to view Virtual Slide in a Web Viewer'; descv3 = 'Case 3 - Virtual Slide 1 - Click this thumbnail image to view Virtual Slide in a Web Viewer'; descv4 = 'Case 4 - Virtual Slide 1 - Click this thumbnail image to view Virtual Slide in a Web Viewer'; descv5 = 'Case 5 - Virtual Slide 1 - Click this thumbnail image to view Virtual Slide in a Web Viewer'; function parnav(imgnum) { parent.dir = '96th'; eval("parent.desc = desc"+imgnum); eval("parent.slidenum = 'surg"+imgnum+"'"); slidepop(); return; } function winstatus(imgnum) { eval("window.status = desc"+imgnum+";"); return; }