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This low-power photomicrograph of the lung shows: (1) markedly thickened pleura, indicating an inflammatory process which has been present for several days; (2) a small wedge-shaped segment of normal lung which is somewhat compressed due to artifact; (...
This low-power photomicrograph of the lung shows: (1) markedly thickened pleura, indicating an inflammatory process which has been present for several days; (2) a small wedge-shaped segment of normal lung which is somewhat compressed due to artifact; (3) a large wedge-shaped segment of lung tissue with lobar pneumonia, which appears very dense due to extensive cellular infiltrate; and (4) a greatly thickened pleural space between these two lung lobes. This interlobar space is markedly thickened due to deposition of fibrinous exudate.
