Large coalescent parenchymal nodules in pulmonary sarcoidosis: "sarcoid galaxy" sign.
case_series · Level IV
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Abstract
The purpose of this study was to evaluate the large parenchymal nodules in pulmonary sarcoidosis and to describe a new CT sign termed the "sarcoid galaxy." The CT appearance of pulmonary sarcoidosis suggests that the large nodules arise from a coalescence of small nodules. The large nodules are surrounded by many tiny satellite nodules. These findings were considered to simulate the appearance of a galaxy. This observation was supported by radiologic-pathologic correlation. The sarcoid galaxy sign may be a useful adjunct in the diagnosis of pulmonary sarcoidosis.
Medical subject headings
- Sarcoidosis, Pulmonary
- Tomography, X-Ray Computed