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Thoracic CT in Pediatric Patients with Difficult-to-Treat Asthma

¹ Service de Pneumologie et d'Allergologie Pédiatriques, Hôpital Necker Enfants Malades, 149 rue de Sèvres, 75015 Paris, France.
² Service de Radiologie Pédiatrique, Hôpital Necker Enfants Malades, 75015 Paris, France.
³ Service de Biostatistiques et Informatique Médicale, Hôpital Necker Enfants Malades, 75015 Paris, France.

View larger version (11K): [in a new window]   Fig. 1. —Scatterplot shows bronchial wall thickening scores for pediatric patients with asthma in group A (moderate persistent symptoms, n = 15), group B (severe persistent symptoms, n = 12), and group C (control subjects, n = 21). Scores were based on number of bronchial sections visible at five levels in both lungs on high-resolution CT (HRCT). Horizontal lines = medians.

View larger version (9K): [in a new window]   Fig. 2. —Scatterplot shows bronchial wall thickening scores for pediatric patients with persistent symptoms of asthma in group A (moderate persistent symptoms, n = 15), group B (severe persistent symptoms, n = 12), and group C (control subjects, n = 21). Scores were based on number of bronchial sections visible at three levels in right lung on high-resolution CT (HRCT). Horizontal lines = medians.

View larger version (134K): [in a new window]   Fig. 3A. —15-year-old girl without asthma (group C). Subject underwent high-resolution CT (HRCT) for investigation of pneumothorax. HRCT scans obtained at three predefined levels and corresponding schematic diagrams show sections of bronchi (arrow, B). One section of bronchial wall thickening was detected at first level (A), six sections were seen at second level (C), and one section was depicted at third level (E). Therefore, bronchial wall thickening score for this patient was 8 (1 + 6 + 1 = 8).

View larger version (12K): [in a new window]   Fig. 3B. —15-year-old girl without asthma (group C). Subject underwent high-resolution CT (HRCT) for investigation of pneumothorax. HRCT scans obtained at three predefined levels and corresponding schematic diagrams show sections of bronchi (arrow, B). One section of bronchial wall thickening was detected at first level (A), six sections were seen at second level (C), and one section was depicted at third level (E). Therefore, bronchial wall thickening score for this patient was 8 (1 + 6 + 1 = 8).

View larger version (140K): [in a new window]   Fig. 3C. —15-year-old girl without asthma (group C). Subject underwent high-resolution CT (HRCT) for investigation of pneumothorax. HRCT scans obtained at three predefined levels and corresponding schematic diagrams show sections of bronchi (arrow, B). One section of bronchial wall thickening was detected at first level (A), six sections were seen at second level (C), and one section was depicted at third level (E). Therefore, bronchial wall thickening score for this patient was 8 (1 + 6 + 1 = 8).

View larger version (13K): [in a new window]   Fig. 3D. —15-year-old girl without asthma (group C). Subject underwent high-resolution CT (HRCT) for investigation of pneumothorax. HRCT scans obtained at three predefined levels and corresponding schematic diagrams show sections of bronchi (arrow, B). One section of bronchial wall thickening was detected at first level (A), six sections were seen at second level (C), and one section was depicted at third level (E). Therefore, bronchial wall thickening score for this patient was 8 (1 + 6 + 1 = 8).

View larger version (143K): [in a new window]   Fig. 3E. —15-year-old girl without asthma (group C). Subject underwent high-resolution CT (HRCT) for investigation of pneumothorax. HRCT scans obtained at three predefined levels and corresponding schematic diagrams show sections of bronchi (arrow, B). One section of bronchial wall thickening was detected at first level (A), six sections were seen at second level (C), and one section was depicted at third level (E). Therefore, bronchial wall thickening score for this patient was 8 (1 + 6 + 1 = 8).

View larger version (12K): [in a new window]   Fig. 3F. —15-year-old girl without asthma (group C). Subject underwent high-resolution CT (HRCT) for investigation of pneumothorax. HRCT scans obtained at three predefined levels and corresponding schematic diagrams show sections of bronchi (arrow, B). One section of bronchial wall thickening was detected at first level (A), six sections were seen at second level (C), and one section was depicted at third level (E). Therefore, bronchial wall thickening score for this patient was 8 (1 + 6 + 1 = 8).

View larger version (161K): [in a new window]   Fig. 4A. —11-year-old boy with severe, persistent symptoms of asthma (group B). High-resolution CT scans obtained at three predefined levels and corresponding schematic diagrams show sections of bronchi (arrow, B). Six sections of bronchial wall thickening were detected at first level (A); eight sections, at second level (C); and four sections, at third level (E). Therefore, bronchial wall thickening score for this patient was 18 (6 + 8 + 4 = 18).

View larger version (14K): [in a new window]   Fig. 4B. —11-year-old boy with severe, persistent symptoms of asthma (group B). High-resolution CT scans obtained at three predefined levels and corresponding schematic diagrams show sections of bronchi (arrow, B). Six sections of bronchial wall thickening were detected at first level (A); eight sections, at second level (C); and four sections, at third level (E). Therefore, bronchial wall thickening score for this patient was 18 (6 + 8 + 4 = 18).

View larger version (161K): [in a new window]   Fig. 4C. —11-year-old boy with severe, persistent symptoms of asthma (group B). High-resolution CT scans obtained at three predefined levels and corresponding schematic diagrams show sections of bronchi (arrow, B). Six sections of bronchial wall thickening were detected at first level (A); eight sections, at second level (C); and four sections, at third level (E). Therefore, bronchial wall thickening score for this patient was 18 (6 + 8 + 4 = 18).

View larger version (15K): [in a new window]   Fig. 4D. —11-year-old boy with severe, persistent symptoms of asthma (group B). High-resolution CT scans obtained at three predefined levels and corresponding schematic diagrams show sections of bronchi (arrow, B). Six sections of bronchial wall thickening were detected at first level (A); eight sections, at second level (C); and four sections, at third level (E). Therefore, bronchial wall thickening score for this patient was 18 (6 + 8 + 4 = 18).

View larger version (163K): [in a new window]   Fig. 4E. —11-year-old boy with severe, persistent symptoms of asthma (group B). High-resolution CT scans obtained at three predefined levels and corresponding schematic diagrams show sections of bronchi (arrow, B). Six sections of bronchial wall thickening were detected at first level (A); eight sections, at second level (C); and four sections, at third level (E). Therefore, bronchial wall thickening score for this patient was 18 (6 + 8 + 4 = 18).

View larger version (16K): [in a new window]   Fig. 4F. —11-year-old boy with severe, persistent symptoms of asthma (group B). High-resolution CT scans obtained at three predefined levels and corresponding schematic diagrams show sections of bronchi (arrow, B). Six sections of bronchial wall thickening were detected at first level (A); eight sections, at second level (C); and four sections, at third level (E). Therefore, bronchial wall thickening score for this patient was 18 (6 + 8 + 4 = 18).

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