Pulmonary embolism: CT findings with the use of helical computed tomography.
OBJECTIVE
The aim of this study is the presentation of the imaging findings in patients with pulmonary embolism, the diagnosis of which was made with the use of helical computed tomography.


METHODS
The lung CT scans of 14 patients were retrospectively studied. The presence of hypoattenuating thrombus within the lumen of one or more pulmonary arterial branches was considered as the imaging criterion for the diagnosis of pulmonary embolism.


RESULTS
Emboli within the lumen of 1st order branches were found in 2 patients, within the lumen of 2nd order branches in 8 patients, into the lumen of 3rd order branches (lobar) in 10 patients and into the lumen of 4th order branches (segmental) in 6 patients. No emboli were detected in subsegmental or more peripheral branches. Concomitant, secondary findings were the presence of unilateral pleural effusion, areas of pulmonary oligaemia and the presence of a wedge-shaped, pleural-based opacity, indicative of a pulmonary infarct.


CONCLUSIONS
In conclusion, we were able to make the diagnosis of pulmonary embolism through the direct visualization of intraluminal emboli up until the segmental level, as well as of concomitant, accessory findings of pulmonary embolism.
Grollios
G
G
Radiology Department, Hippokratio General Hospital, Thessaloniki, Greece. ggrollios@hol.gr
Kazantzidou
Ir
I
Georgopoulou
V
V
Karakozoglou
Th
T
Kotoula
A
A
Michailidou
G
G
Kourou
E
E
Georgitziki
K
K