Tomographic Aspects of Advanced Active Pulmonary Tuberculosis and Evaluation of Sequelae following Treatment

Table 2

Frequency of changes observed before treatment (CT1) and after treatment (CT2).

Changes	CT1 (number and percentage)	CT2 (number and percentage)
Bronchial changes
Increased wall thickness	71 (95.9)	0
Dilation	69 (93.2)	64 (86.4)
Parenchymal changes
Tree-in-bud pattern	69 (93.2)	04 (5.4)
Major nodules 1 to 3 cm in diameter	64 (86.4)	36 (48.6)
Consolidations	57 (77.0)	19 (25.6)
Air bronchograms	50 (67.5)	1 (1.3)
Architectural distortions	53 (71.6)	68 (91.8)
Cavitary lesions	46 (62.0)	12 (16.2)
Parenchymal calcifications	32 (43.2)	35 (47.2)
Ground-glass opacities	28 (37.8)	3 (4.0)
Air trapping	8 (10.8)	7 (9.4)

Of the 64 patients with nodules, one patient showed a halo sign and another showed an inverted halo sign.
The cavity wall was measured in the region with the largest thickness. The average thickness was 4.7 mm, with a median thickness of 4.45 mm and a standard deviation of 1.907.
Of the 28 patients with ground-glass opacities, 6 presented lung bleeding, which was characterized by hemoptoic expectoration in 5 cases and hemoptysis in 1 case.