Pathological Anatomy. Atlas of Macroscopic Specimens - Part 1. General Pathological Processes - A. M. Romaniuk 2016
Morphology of Inflammation and Immunopathological Processes
Ghon Focus
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Ghon focus
The specimen shows a lung section with a clearly demarcated gray spot, 3 mm in diameter, visible beneath the Pleura. This is an example of productive granulomatous inflammation of a specific nature, which occurs in tuberculous infection. Outcomes include sclerosis and petrification, while progression may lead to generalized tuberculosis.
Last update: 10/08/2026
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