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Updated: Dec 20, 2025

Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
Published on: June 16, 2020
Cystic Interstitial Lung Diseases: A Pictorial Review and a Practical Guide for the Radiologist
Giulia Aquilina1, Daniele Carmelo Caltabiano2, Federica Galioto1
1Department of Medical Surgical Sciences and Advanced Technologies "GF Ingrassia"-Radiology Unit I. University hospital "Policlinico-Vittorio Emanuele" Via Santa Sofia 78, 95123 Catania, Italy.
Abstract:
A cyst is a round circumscribed area of low attenuation, surrounded by epithelial or fibrous wall. Cysts can frequently occur on chest computed tomography (CT) and high-resolution computed tomography (HRCT); multiple parenchymal cysts of the lungs are the most typical feature of cystic lung interstitial diseases, characterizing a wide spectrum of diseases-ranging from isolated lung disorders up to diffuse pulmonary diseases. The aim of this review is to analyze scientific literature about cystic lung interstitial diseases and to provide a practical guide for radiologists, focusing on the main morphological features of pulmonary cysts: size, shape, borders, wall, location, and distribution. These features are shown on free-hand drawings and related to HRCT images, in order to help radiologists pursue the correct differential diagnosis between similar conditions.
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