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Case Reports
. 1977 Sep;129(3):453-5.
doi: 10.2214/ajr.129.3.453.

The target sign: a new radiologic sign of septic pulmonary emboli

M N Zelefsky, L G Lutzker
Case Reports

The target sign: a new radiologic sign of septic pulmonary emboli

M N Zelefsky et al. AJR Am J Roentgenol. 1977 Sep.

Abstract

A new radiographic sign consisting of a pulmonary density suspended in a thin-walled cystic area is described in five patients with hematogenously disseminated infection. A pathogenetic mechanism is suggested to account for this "target sign." The relationship of these findings to pulmonary pneumatoceles is also discussed.

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