Original Article
Copyright ©2011 Baishideng Publishing Group Co.
World J Radiol. Jan 28, 2011; 3(1): 17-23
Published online Jan 28, 2011. doi: 10.4329/wjr.v3.i1.17
Table 1 Demographic profile of patients n (%)
VariablesFrequency (n = 91)
Age group (yr)
0-519 (20.9)
5-1026 (28.6)
10-1539 (42.9)
15-177 (7.7)
Sex
Male47 (51.6)
Female44 (48.4)
Presenting symptoms
Fever88 (96.7)
Cough56 (61.5)
Weight loss78 (85.7)
Loss of appetite90 (98.9)
Lymphadenopathy38 (41.7)
History of contact41 (45.0)
Laboratory investigations
Mantoux positivity91 (100)
Elevated ESR65 (71.4)
AFB detection20 (22.0)
Table 2 Computed tomography findings n (%)
FindingsFrequency (n = 91)
Lymph nodal involvement88 (96.7)
Parenchymal lesion64 (70.3)
Airway disease32 (35.2)
Pleural lesion18 (19.8)
Table 3 Nodal distribution and characteristics
Frequency (n = 88)%
Nodal distributionFrequency and mean size
Paratracheal74 (2.21 cm)84.1
Pretracheal50 (1.62 cm)56.8
Precarinal48 (1.72 cm)54.4
Subcarinal67 (2.03 cm)76.1
Right hilar46 (1.87 cm)52.3
Left hilar32 (1.68 cm)36.4
Prevascular22 (2.82 cm)25.0
Azygoesophageal30 (1.9 cm)34.1
Aorto-pulmonary window10 (2.0 cm)11.4
Nodal characteristics
Enhancement pattern
Peripheral rim1213.6
Homogeneous3034.1
Inhomogeneous4652.3
Calcification2528.4
Conglomerate5056.8
Discrete3843.2
Obscured perinodal fat7484.1
Table 4 Comparison of nodal characteristics pre- and post-treatment
Lymph nodal characteristicsFrequency (n = 30)
P value
Pre-treatmentPost-treatment
Lymph nodes seen with mean size30 (1.83 cm)24 (0.23 cm)< 0.05
Enhancement pattern
Peripheral rim30< 0.05
Homogeneous724> 0.05
Inhomogeneous200< 0.05
Calcification810> 0.05
Conglomerate110< 0.05
Discrete1924> 0.05
Obscured perinodal fat170< 0.05
Table 5 Nodal characteristics in patients who had residual disease at 6 mo
NodesPre-treatment6 mo9 mo
Mean size (cm)2.41.81.4
Maximum size (cm)54.53.5
Enhancement
Peripheral rim221
Homogeneous012
Inhomogeneous100
Calcification111
Conglomerate111
Discrete222
Obscured perinodal fat210