Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Crazy paving sign
Introduction
Overview
Overview
Crazy-paving sign is classically associated with pulmonary alveolar proteinosis. The linear network or reticular pattern in the crazy-paving sign is believed to result from a thickening of the interlobular septa, while areas of ground-glass opacity result from partial alveolar filling processes.
Causes
Causes
Diagnosis
Diagnosis
On imaging, the sign appears as a linear network or reticular pattern with areas of ground-glass opacification.
References
References
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]