Systemic lupus erythematosus x ray
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
X Ray
Shrinking lung (radiograph): unexplained dyspnoea. restrictive pattern onpulmonary function tests.
Chest x-ray often shows small but clear lungs with diaphragmatic elevation. Occasional basal atelectasis may be present.
Pleural fibrosis: Pleural thickening
Pulmonary infarct
- wedge-shaped (less often rounded) juxtapleural opacification (Hampton hump) without air bronchograms
- more often in the lower lobes
Pulmonary hypertension
- elevated cardiac apex due to right ventricular hypertrophy
- enlarged right atrium
- prominent pulmonary outflow tract
- enlarged pulmonary arteries
- pruning of peripheral pulmonary vessels
Plumonary alveolar hemorrhage:
Patchy bilateral and acinar areas of increased opacity, predominantly in the lower lungs
Respiratory muscle dysfunction
elevated hemidiaphragms at chest radiography
linear atelectasis and an ill-defined juxtadiaphragmatic areas of increased opacity
Wiedemann HP, Matthay RA. Pulmonary manifestations of collagen vascular diseases.Clin Chest Med 1989; 10:677-696
Mesentric vascuitis:
- Plain radiographic studies:
- Thumb-printing sign: Due to bowel wall edema or intramural hemorrhage
- Segmental bowel dilatation
- Air-fluid levels, pneumatosis
- Narrowing of the lumen
- Pseudo-obstruction
- Portal venous gas