AMPUTATION OF THE HILAR ARTERY

On evaluating the hilar arteries, attention is paid to the presence of abrupt vascular amputation which gives the hilum a “plump” appearance. Examples are given in the attached figures.

References

1.Hanelin J, Eyler WR. Pulmonary artery thrombosis: roentgen manifestations. Radiology 1951; 56: 689-702.
2.Fleischner FG. Pulmonary embolism. Clin Radiol 1962; 13: 169-182.
3.Palla A, Donnamaria V, Petruzzelli S, Rossi G, Riccetti G, Giuntini C. Enlargement of right descending pulmonary artery in pulmonary embolism. Am J Roentgenol 1983; 141: 513-517.