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Insights into Imaging
Fig. 7 | Insights into Imaging

Fig. 7

From: Chest imaging using signs, symbols, and naturalistic images: a practical guide for radiologists and non-radiologists

Fig. 7

Comet tail sign. Axial CT image (a) shows a round consolidation (black asterisk) and stretched vessel and bronchus (white arrows): these combinations—reproducing a “comet tail” at the border of a round lesion—suggest the presence of round atelectasis. On axial CT image (b, mediastinal window), a dorsal pleural plaque with calcification is also appreciable (white arrowhead)

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