HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Abstract Full Text Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Citation Map Services Email this article to a friend Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via Google Scholar Google Scholar Articles by Remy-Jardin, M. Articles by Duhamel, A. Search for Related Content PubMed PubMed Citation Articles by Remy-Jardin, M. Articles by Duhamel, A. Social Bookmarking                      What's this?

Clinical Value of Thin Collimation in the Diagnostic Workup of Pulmonary Embolism

¹ All authors: Department of Thoracic Imaging, Hospital Calmette, Blvd. Jules Leclerc, 59037, Lille Cedex, France.

View larger version (117K): [in a new window]   Fig. 1A. —42-year-old woman with symptoms suggestive of acute pulmonary embolism. Helical CT scans (2-mm collimation; pitch, 2; 24% nonionic contrast material; flow rate, 4 mL/sec) obtained at level of lower lobes at mediastinal (window width, 350 H; window level, 30 H) and lung (window width, 1600 H; window level, -600 H) settings show filling defect (arrows) at level of enlarged subsegmental branch of anterior segmental artery of left lower lobe. Note large area of peripheral consolidation suggestive of lung infarction.

View larger version (141K): [in a new window]   Fig. 1B. —42-year-old woman with symptoms suggestive of acute pulmonary embolism. Helical CT scans (2-mm collimation; pitch, 2; 24% nonionic contrast material; flow rate, 4 mL/sec) obtained at level of lower lobes at mediastinal (window width, 350 H; window level, 30 H) and lung (window width, 1600 H; window level, -600 H) settings show filling defect (arrows) at level of enlarged subsegmental branch of anterior segmental artery of left lower lobe. Note large area of peripheral consolidation suggestive of lung infarction.

View larger version (103K): [in a new window]   Fig. 1C. —42-year-old woman with symptoms suggestive of acute pulmonary embolism. Selective left pulmonary angiogram (left posterior oblique view) obtained 24 hr after A and B shows vascular cutoff (arrow) of subsegmental branch of anterior segmental artery of left lower lobe, confirming diagnosis of peripheral pulmonary embolism.

View larger version (96K): [in a new window]   Fig. 2A. —70-year-old man with chronic obstructive pulmonary disease and acute worsening of dyspnea. CT was performed with 2-mm collimation; pitch, 2; 24% nonionic contrast material; flow rate, 4 mL/sec., Helical CT scans at mediastinal window settings (window width, 350 H; window level, 30 H) show filling defects at level of bifurcation of anterior segmental artery of right lower lobe (arrow, A and B) and one of its subsegmental branches (arrow, C).

View larger version (95K): [in a new window]   Fig. 2B. —70-year-old man with chronic obstructive pulmonary disease and acute worsening of dyspnea. CT was performed with 2-mm collimation; pitch, 2; 24% nonionic contrast material; flow rate, 4 mL/sec., Helical CT scans at mediastinal window settings (window width, 350 H; window level, 30 H) show filling defects at level of bifurcation of anterior segmental artery of right lower lobe (arrow, A and B) and one of its subsegmental branches (arrow, C).

View larger version (97K): [in a new window]   Fig. 2C. —70-year-old man with chronic obstructive pulmonary disease and acute worsening of dyspnea. CT was performed with 2-mm collimation; pitch, 2; 24% nonionic contrast material; flow rate, 4 mL/sec., Helical CT scans at mediastinal window settings (window width, 350 H; window level, 30 H) show filling defects at level of bifurcation of anterior segmental artery of right lower lobe (arrow, A and B) and one of its subsegmental branches (arrow, C).

View larger version (153K): [in a new window]   Fig. 2D. —70-year-old man with chronic obstructive pulmonary disease and acute worsening of dyspnea. CT was performed with 2-mm collimation; pitch, 2; 24% nonionic contrast material; flow rate, 4 mL/sec. Corresponding CT scans of lung (window width, 1660 H; window level, -600 H) show segmental (arrow, D and E) and subsegmental (arrow, F) pulmonary artery branches.

View larger version (135K): [in a new window]   Fig. 2E. —70-year-old man with chronic obstructive pulmonary disease and acute worsening of dyspnea. CT was performed with 2-mm collimation; pitch, 2; 24% nonionic contrast material; flow rate, 4 mL/sec., Corresponding CT scans of lung (window width, 1660 H; window level, -600 H) show segmental (arrow, D and E) and subsegmental (arrow, F) pulmonary artery branches.

View larger version (136K): [in a new window]   Fig. 2F. —70-year-old man with chronic obstructive pulmonary disease and acute worsening of dyspnea. CT was performed with 2-mm collimation; pitch, 2; 24% nonionic contrast material; flow rate, 4 mL/sec., Corresponding CT scans of lung (window width, 1660 H; window level, -600 H) show segmental (arrow, D and E) and subsegmental (arrow, F) pulmonary artery branches.

View larger version (77K): [in a new window]   Fig. 3A. —35-year-old woman who was examined for pulmonary embolism after surgery. Helical CT scan obtained at level of upper lobes (2-mm collimation; pitch, 2; 30% nonionic contrast material; flow rate, 4 mL/sec) reveals poor opacification of pulmonary arteries in first centimeter of volume scanned in caudocranial direction, despite 18-sec scanning delay.

View larger version (87K): [in a new window]   Fig. 3B. —35-year-old woman who was examined for pulmonary embolism after surgery. Selective right pulmonary angiogram (right posterior oblique view) shows partial filling defect at level of segmental (long arrow) and subsegmental (short arrow) branches of apical segmental artery of right upper lobe.

View larger version (118K): [in a new window]   Fig. 4. —47-year-old man with severe lung fibrosis caused by sarcoidosis. Patient was referred for acute chest pain. High-resolution CT scan obtained at level of right bronchus intermedius reveals pneumomediastinum, unsuspected on chest radiograph (not shown) because of superimposition of extensive honeycombing, which explains clinical presentation.

CiteULike

Complore

Connotea

Del.icio.us

Digg

Reddit

Technorati