(3) Sitelung, serosa, synovialis, meninges(4) Resultabsorbed completelydevelopment proliferationnecrosis
(3) Site lung, serosa, synovialis, meninges (4) Result absorbed completely development proliferation necrosis
2. Proliferationcharacteristiclesion→tubercle(1)Conditionsquantityl virulence!strongimmune reaction(2) Pathologic changesformation of tuberclepossesses certain diagnostic feature
2. Proliferation characteristic lesion→tubercle (1) Conditions quantity↓ virulence↓ strong immune reaction (2) Pathologic changes formation of tubercle possesses certain diagnostic feature
①Grossthe size of a milletclearedgegrayish , semitransparentyellow with necrosis, somewhatrise on the surface of organ
① Gross ▪ the size of a millet ▪ clear edge ▪ grayish , semitransparent ▪ yellow with necrosis, somewhat rise on the surface of organ
LM: typical lesion-→tubercle(formation based on cellimmuneCenter: caseous necrosisepithelioid cellSurrounding人L Langhans giant cellOutsidelymphocyte人fibroblast
② LM: typical lesion→tubercle ( formation based on cell immune ) Center: caseous necrosis Surrounding epithelioid cell Langhans giant cell Outside lymphocyte fibroblast
