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A 46-year-old man demonstrated massive pulmonary gangrene involving the right upper lobe. Chronic bronchopulmonary disease was complicated futher by Escherichia coli pneumonia. Serial chest films revealed signs pathognomonic of sloughing, seen as margins of separation at the periphery, and freely movable, sloughed lung tissue derived from the lung cavity. The tissue showed clear-cut evidence of coagulative ischemic necrosis.
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Gutman et al. (1973) studied this question.
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