Ghon focus


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Related to Ghon focus: granuloma, Ranke complex, Miliary TB

focus

 [fo´kus] (pl. fo´ci) (L.)
1. the point of convergence of light rays or sound waves.
2. the chief center of a morbid process.
Ghon focus the primary parenchymal lesion of primary pulmonary tuberculosis in children; when associated with a corresponding lymph node focus, it is known as the primary or Ghon complex. Called also Ghon tubercle.
grid focus in radiology, a determination made by drawing an imaginary line from the outside of the width of the grid to where it intersects with a centering point. Called also grid radius.

Ghon tu·ber·cle

(gon),
calcification seen in pulmonary parenchyma (usually midlung) resulting from earlier, usually childhood, infection with tuberculosis; sometimes confused with a combination of parenchymal lesion and calcified lymph node, which is properly termed a Ranke complex.

Ghon focus

the primary parenchymal lesion of primary pulmonary tuberculosis in children. When it is associated with a corresponding lymph node focus, it is known as Ghon's complex.

Ghon tu·ber·cle

, Ghon complex , Ghon focus (gon tū'bĕr-kĕl, kompleks, fōkŭs)
Calcification seen in pulmonary parenchyma (usually midlung) resulting from earlier, usually childhood, infection with tuberculosis; sometimes confused with a combination of parenchymal lesion and calcified lymph node, which is properly termed a Ranke complex.

Ghon,

Anton, Czech pathologist, 1866-1936.
Ghon complex - Synonym(s): Ghon tubercle
Ghon focus - Synonym(s): Ghon tubercle
Ghon lesion
Ghon node
Ghon primary lesion - Synonym(s): Ghon tubercle
Ghon tubercle - calcification seen in pulmonary parenchyma and hilar nodes resulting from earlier infection with tuberculosis. Synonym(s): Ghon complex; Ghon focus; Ghon primary lesion
Ghon-Sachs bacillus - Synonym(s): Sachs bacillus