9. Inflammation Chronic inflammation. Lymphocytes, plasma cells (arrows), and a few macrophages are present.

11. Inflammation no yes

13. Chronic inflammation. Proliferation of connective tissue cells & cells derived from some leucocytes emigrated due to exudation proliferative inflammation .

20. This chest radiograph reveals a miliary pattern in all lung fields. Note the stippled appearance throughout.

21. Miliary tuberculosis of lungs.

22. Tuberculous granuloma.

24. Granulomatous inflammation

25. Granulomatous inflammation. Tuberculous granuloma.

26. Granulomatous inflammation. Tuberculous granuloma.

30. Granulomatous inflammation. Tuberculous granuloma.

31. Granulomatous inflammation. Tuberculous granuloma.

32. Syphilitic mesaortitis Syphilis produces gummatous necrosis in the center of its granuloma. Gummatous necrosis tends to have a rubbery consistency, firmer than the soft cheesy texture of the tuberculous reaction.

33. Actinomycosis

34. Actinomycosis

35. Granulomatous inflammation. Rheumatic fever.

36. Granulomatous inflammation. In contrast, sarcoidosis almost never produces central necrosis, and so the sarcoid granuloma is often called a "hard tubercule", while the tuberculosis granuloma is often referred to as a "soft tubercule". Epithelioid cells (ЭК) , lymphocytes (Л) , giant cells (ГК), asteroid bodies (АТ) . Zone of fibrosis (ЗФ) .

40. Fungal Infections Coccidioidomycosis Coccidioidomycosis, which is caused by inhalation of the spores of Coccidioides immitis, is widely spread through the southwestern part of the United States, sharing many of the clinical and pathologic features of histoplasmosis and tuberculosis.

42. Fungal Infections Coccidioidomycosis In most instances, the lesions are limited to a peripheral parenchymal granuloma, with or without lymph node granulomas. In a few instances, however, the lesion is progressive, although the rate of progression is slow. Immunocompromised patients may experience rapid progression of the disease.

44. Condyloma of penis.

45. Proliferative inflammation around parasites. Echinococcosis of liver.

46. Dirofillariosis

47. Eosinophilic leukocytes in the infiltrate.

48. Chronic abscess of lung.

49. Thank You...