HRCT in children: technique and indications.

High-resolution computed tomography (HRCT) is a very important diagnostic tool, which improves our understanding of many lung diseases in children. However, the technique requires great care in managing the child and attention in using the lowest radiation dose possible. HRCT provides important diagnostic information on pediatric lung disorders for both airway and interstitial lung diseases. In this review we describe in detail the most appropriate technique to be used on children including patient preparation and sedation, discuss indications, and analyze the HRCT appearance of a variety of diseases.