CTICasesPulmonary Veno-Occlusive Disease (PVOD) / Capillary Hemangiomatosis
Imaging findings
Diffuse pulmonary hyperattenuation (ground-glass opacities). Expansion of inter-alveolar septa due to red blood cell extravasation and capillary proliferation. Pulmonary hypertension workup (perfusion scans) showed no significant defects.
Key takeaways
PVOD is the primary insult, while capillary hemangiomatosis is often a secondary epiphenomenon. The ground-glass opacities are caused by interstitial expansion rather than inflammatory exudates.
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