indianjradiolimaging_2011_21_4_242_90680_f15
(A-C) Axial HRCTs (lung window) show the various types of bronchiectasis in three different patients with ABPA: cylindrical bronchiectatic cavities (thin arrow) of various sizes with the characteristic signet-ring appearance (thick arrow) (A), varicose bronchiectasis (arrows in B), and cystic bronchiectasis | Agarwal, R., Khan, A., Garg, M., Aggarwal, A., & Gupta, D. (2011). Pictorial essay: Allergic bronchopulmonary aspergillosis. Indian Journal of Radiology and Imaging, 21(4), 242–252. https://doi.org/10.4103/0971-3026.90680