Chest radiographic and computed tomographic manifestations in allergic bronchopulmonary aspergillosis

Table 4 Studies describing high resolution computed tomography findings in patients with allergic bronchopulmonary aspergillosis

Author (yr)	No. of patients	HRCT thickness	Scan time (s)	Window width/level	Lobes or segments evaluated	Central bronchiectasis criteria	Patients with CB	Patients with PB	Lobes with CB/PB	Lobes with PB
Currie et al[13] (1987)	9	3mm every 10 mm	5.5	Wide setting	NA	Subjective; based on proximity to hilum	9	7	31	19
Neeld et al[14] (1990)	8	1.5 mm every 10 or 20 mm		2000/-550	46 lobes	Medial 2/3rd of the lung	6	2	19	2
Shah et al[15] (1992)	2	NA	4.0	1000/-700	37 segments	Medial 2/3rd of the lung	24 segments	None		None
Angus et al[16] (1994)	14	3 mm every 9 mm	9.5	NA	102 lobes	Medial 2/3rd of the lung	14	1	43	5
Panchal et al[17] (1994)	21	8 mm contiguous sections	3-5	NA	336 segments	Medial 2/3rd of the lung	NA	NA	212 segments	NA
Sandhu et al[18] (1994)	15	8 mm contiguous scans (2-4 mm where required)	NA	1000/-700	90 lobes	Medial 2/3rd of the lung	44	NA	57	18
Panchal et al[19] (1997)	23	8 mm contiguous (4 mm if not clearly visualized)	3-5	NA	134 lobes/406 segments	Medial 2/3rd of the lung	23	NA	114 lobes 210 segments	34 lobes 45 segments
Ward et al[20] (1999)	44	1-3 mm every 10 mm at 5 selected levels	NA	NA	264	Medial 2/3rd of the lung	28	NA	184	NA
Mitchell et al[21] (2000)	19	1-1.5 mm every 10-20 mm; 5 and 10 mm contiguous cuts also taken	1-2	NA	114	Medial 2/3rd of the lung	18	15	101	NA
Agarwal et al[22] (2006)	126	1.25 mm every 10 mm	3.0	1500/-600	431 lobes/1621 segments	Medial half of the lung midway between the hilum and chest wall	NA	NA	255 lobes/664 segments	99 lobes

HRCT: High resolution computed tomography; CB: Central bronchiectasis.