Interlobular septal thickening: Patterns at high-resolution computed tomography

Eun Young Kang, Philippe Grenier, François Laurent, Nestor L. Müller

Research output: Contribution to journalArticlepeer-review

50 Citations (Scopus)


Thickening of the interlobular septa is a common and easily recognizable finding at high-resolution computed tomography (HRCT; 1-2 mm collimation high-spatial-frequency reconstruction algorithm). Interlobular septal thickening at HRCT can be smooth, nodular, or irregular in contour. It may be due to fluid, cellular infiltration, or fibrosis. Apparent thickening of septa at HRCT may also be due to abnormalities in the periphery of the secondary pulmonary lobule adjacent to but not involving the interlobular septa. This article illustrates the patterns of interlobular septal thickening at HRCT in various disease entities.

Original languageEnglish
Pages (from-to)260-264
Number of pages5
JournalJournal of Thoracic Imaging
Issue number4
Publication statusPublished - 1996
Externally publishedYes


  • High-resolution computed tomography
  • Interlobular septal thickening

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Pulmonary and Respiratory Medicine


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