paraseptal emphysema


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par·a·sep·tal em·phy·se·ma

emphysema involving the periphery of the pulmonary lobules.

paraseptal emphysema

References in periodicals archive ?
In paraseptal emphysema, almost the entire proximal part of the acinus is normal, whereas distal alveolar ducts and sacs are abnormal (Figure 4).
30) Computed tomography scans generally show findings typical of COPD, with centrilobular or mixed centrilobular and paraseptal emphysema in the upper lobes, and also findings typical of usual interstitial pneumonia, with increased reticular markings, traction bronchiectasis, and honeycomb remodeling in the lower lobes.
In the present study, the most common finding on HRCT was air trapping (77%) followed by bullous emphysema (59%), paraseptal emphysema (41%) and non-bullous emphysema (35%).
63 Table 8: HRCT Scan Findings in Smokers Upper Lower Both Total Zone Zone Zones Bullous Emphysema 10 -- -- 10(59%) Non bullous Emphysema 03 -- 03 06(35%) Paraseptal Emphysema 05 -- 02 07(41%) Air trapping 03 02 08 13(77%) Table 9: Distribution of Emphysema on HRCT Upper Lower Both Total Zone Zone Zones Emphysema on inspiratory scans 08 -- 04 12 Emphysema on expiratory scn only -- 01 04 05 Emphysema in total 04 01 12 17 (23%) (6%) (71%) Table 10 Author Year of Number of Mean age Mean pack study patients years GURNEY et al 1992 59 58 60 REMY JARDIN et al 1993 98 33 12.