Pulmonary consolidations are considered suggestive of infarction if they have a semicircular or half-spindle shape and are arranged peripherally along the pleural surface (so-called Hampton's hump) .  Examples are given in the attached figures.

1.Hampton AO, Castleman B. Correlation of postmortem chest teleroentgenograms with autopsy findings with special reference to pulmonary embolism and infarction. Am J Roentgenol 1940; 43: 305-326.
2.Fleischner FG. Pulmonary embolism. Clin Radiol 1962; 13: 169-182.
3.Fleischner FG. Roentgenology of pulmonary infarct. Seminars in Roentgenol 1967; 2: 61-76.

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