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120 - Black hole sign

120 – “Black Hole Sign”

17 December, 202530 April, 2017 by Stening

“Black hole sign”

The left lower lobe bronchus does not reflect the light of the endoscope.

It appears with a central twilight, because the light is lost inside a cavity with which the bronchus is communicated.

Categories Endoscopic Signs
119 – “Sign of the Bubble”
121 – “Black Hole Sign”

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