Systemic sclerosis: using high-resolution CT to detect lung disease in children

Area of Science:

• Pediatric Rheumatology
• Pulmonology
• Radiology

Background:

• Systemic sclerosis in children can affect multiple organs, including the lungs.
• Interstitial lung disease (ILD) is a serious complication, but its prevalence and severity in pediatric systemic sclerosis are not well-defined.

Purpose of the Study:

• To determine the prevalence and severity of interstitial lung disease (ILD) in children with systemic sclerosis using high-resolution computed tomography (HRCT).

Main Methods:

• Eleven children (mean age 11 years) with systemic sclerosis underwent HRCT, chest radiography, and pulmonary function testing.
• HRCT scans were evaluated for ground-glass attenuation, honeycombing, and other abnormalities, with profusion scores calculated.
• Follow-up HRCT was performed on eight patients to assess disease progression.

Main Results:

• HRCT identified ILD in 91% of patients, significantly more than chest radiography (20%).
• Common HRCT findings included ground-glass attenuation (73%), subpleural micronodules (64%), and linear opacities (55%).
• Pulmonary function tests were abnormal in 70% of patients with HRCT-confirmed lung disease, correlating with ground-glass attenuation severity.

Conclusions:

• HRCT is a sensitive tool for detecting significant pulmonary disease in children with systemic sclerosis.
• Pulmonary involvement should be suspected in pediatric systemic sclerosis patients, regardless of chest radiograph findings.
• Early detection and monitoring of ILD are crucial in managing pediatric systemic sclerosis.