Tip of the Iceberg

The Common Vein Copyright 2008

Definition

named finding

Malignant Carcinoid Syndrome with Post Obstructive Pneumonia
75679c01 lung bronchus nodule post obstructive pneumonia tip of the iceberg sign light green = carcinoid nodule as seen by bronchoscopist tip of the iceberg dark green = deep tumor causing obstruction orange = post obstructive atelectasis CTscan Courtesy Ashley Davidoff MD