Hilum overlay sign
The hilum overlay sign is an imaging appearance on chest radiographs in which the outline of the hilum can be seen at the level of a mass or collection in the mid chest.[1] It implies that the mass is not in the middle mediastinum, and usually is from the posterior mediastinum.[2]
See also
References
- ↑ Whitten, CR; Khan, S; Munneke, GJ; Grubnic, S (May 2007). "A diagnostic approach to mediastinal abnormalities.". Radiographics : a review publication of the Radiological Society of North America, Inc 27 (3): 657–71. PMID 17495284.
- ↑ Feragalli, B; Mantini, C; Patea, RL; De Filippis, F; Di Nicola, E; Storto, ML (June 2011). "Radiographic evaluation of mediastinal lines as a diagnostic approach to occult or subtle mediastinal abnormalities.". La Radiologia medica 116 (4): 532–47. PMID 21424313.
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