CTICasesHampton's Hump
Imaging findings
Initial chest radiograph shows an ill-defined subsegmental consolidation in the left lower lobe. CT PA confirms an acute segmental pulmonary embolism. A follow-up radiograph 2-3 weeks later demonstrates a well-circumscribed, wedge-shaped consolidation (Hampton's hump) with a convex apex directed toward the hilum.
Key takeaways
Hampton's hump is a classic radiographic sign of pulmonary infarction secondary to acute pulmonary embolism. It appears as a wedge-shaped, pleural-based consolidation with a rounded, convex medial apex. It classically takes weeks to slowly shrink and 'melt' away on serial radiographs, representing resolving pulmonary hemorrhage and localized necrosis.
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