Hampton's hump is seen in
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pulmonary embolism
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tuberculosis
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broncogenic CA
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none of these
A
Correct answer
Explanation
Hampton's hump is a classic radiological sign of pulmonary embolism, representing a wedge-shaped, pleural-based area of consolidation (infarction) that typically has its base against the pleura and apex pointing toward the hilum. It results from pulmonary infarction when a thrombus occludes a pulmonary artery. The sign typically appears within 12-36 hours after the embolic event and may resolve over weeks. Tuberculosis and bronchogenic carcinoma have different radiological presentations.