TABLE 2.

Chest computed tomography (CT) scan features at the time of diffuse idiopathic pulmonary neuroendocrine cell hyperplasia diagnosis (n=44)

Bilateral nodules	42 (95)
Mosaic attenuation	34 (77)
Lymphadenopathy	4 (9)
Interstitial fibrosis	4 (9)
Emphysema	2 (5)
Pleural effusion	1 (2)
Nodule size on follow-up chest CT when performed (n=36)
Follow-up interval months	31.5 (12.5–52.4)
Enlarged	24 (67)
Stable	12 (33)
Size of largest nodule/mass on chest CT based on presence/absence of carcinoid tumour on biopsy mm
Carcinoid tumour found on biopsy	17 (11–22)
No carcinoid tumour on biopsy	5 (5–7)

Data are presented as n (%) or median (interquartile range).