Reversed halo sign in pulmonary infarction with tumor emboli: a case report.
We describe the case of a 79-year-old woman with pulmonary infarction due to tumor emboli whose high-resolution CT (HRCT) scan demonstrated the reversed halo sign. The patient had gastric cancer and died because of cancer-related cerebral infarction. On autopsy, the central ground-glass area of the reversed halo sign on HRCT corresponded to pulmonary edema associated with alveolar septal capillary metastasis, whereas the peripheral ring-like consolidation consisted of a hemorrhagic infarct with tumor emboli. The present case is important because a detailed pathologic correlation with this unique HRCT appearance was revealed.
Department of Respiratory Medicine, Kobe City Medical Center West Hospital, 4, 2-chome, Ichibancho, Nagata-ku, Kobe 653-0013, Japan. Electronic address: goshima.h@gmail.com.
Hironobu
H
Goshima
Department of Respiratory Medicine, Kobe City Medical Center West Hospital, 4, 2-chome, Ichibancho, Nagata-ku, Kobe 653-0013, Japan. Electronic address: htomy@kobe-nishishimin-hospi.jp.
Hiromi
H
Tomioka
Department of Respiratory Medicine, Kobe City Medical Center West Hospital, 4, 2-chome, Ichibancho, Nagata-ku, Kobe 653-0013, Japan. Electronic address: cnishio@kobe-nishishimin-hospi.jp.
Chihiro
C
Nishio
Department of Respiratory Medicine, Kobe City Medical Center West Hospital, 4, 2-chome, Ichibancho, Nagata-ku, Kobe 653-0013, Japan. Electronic address: ccp93850@syd.odn.ne.jp.
Hiroshi
H
Fujii
Department of Pathology, Kobe City Medical Center West Hospital, 4, 2-chome, Ichibancho, Nagata-ku, Kobe 653-0013, Japan. Electronic address: pke@kobe-nishishimin-hospi.jp.
Eiji
E
Katsuyama
D000368:Aged; D001344:Autopsy; D002544:Cerebral Infarction / Q000209:etiology; D017809:Fatal Outcome; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000556:secondary; D009360:Neoplastic Cells, Circulating; D011650:Pulmonary Alveoli; D011654:Pulmonary Edema / Q000000981:diagnostic imaging / Q000209:etiology; D054060:Pulmonary Infarction / Q000000981:diagnostic imaging* / Q000209:etiology* / Q000473:pathology; D011856:Radiographic Image Enhancement; D013902:Radiography, Thoracic; D013274:Stomach Neoplasms / Q000150:complications; D014057:Tomography, X-Ray Computed
Central lucencies; Organizing pneumonia; Pulmonary infarction; Reversed halo sign; Tumor emboli