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Lung Morphology: Fast MR Imaging Assessment with a Volumetric Interpolated Breath-Hold Technique: Initial Experience with Patients¹

¹ From the Department of Diagnostic Radiology, University Hospital Kiel, Arnold-Heller-Strasse 9, 24105 Kiel 1, Germany (J.B., M.B., C.L., M.R., M.H.); Department of Physics, University of Würzburg, Germany (P.J.); and Siemens Aktiengesellschaft, Hamburg, Germany (J.G.). Received December 3, 2001; revision requested January 16, 2002; revision received March 28; accepted May 13. Address correspondence to J.B. (e-mail: juergen.biederer@rad.uni-kiel.de).

View larger version (100K): [in a new window]   Figure 1a. (a) Coronal 3D GRE VIB breath-hold MR (4.5/1.9 [repetition time msec/echo time msec], 380-mm field of view, 502 x 512 matrix, 2.5-mm section thickness) and (b) transverse helical CT (10-mm collimation, pitch of 1.5, 7-mm reconstruction increment, edge-enhancing algorithm) images of the lung obtained in a 46-year-old woman with pulmonary nodules of unknown cause. The images demonstrate a solid lesion (arrow) smaller than 2 mm in the posterior segment of the right upper lobe. In b, the additional finding of liquid inside the dilated esophagus (E), which is due to achalasia, is seen.

View larger version (95K): [in a new window]   Figure 1b. (a) Coronal 3D GRE VIB breath-hold MR (4.5/1.9 [repetition time msec/echo time msec], 380-mm field of view, 502 x 512 matrix, 2.5-mm section thickness) and (b) transverse helical CT (10-mm collimation, pitch of 1.5, 7-mm reconstruction increment, edge-enhancing algorithm) images of the lung obtained in a 46-year-old woman with pulmonary nodules of unknown cause. The images demonstrate a solid lesion (arrow) smaller than 2 mm in the posterior segment of the right upper lobe. In b, the additional finding of liquid inside the dilated esophagus (E), which is due to achalasia, is seen.

View larger version (130K): [in a new window]   Figure 2. Bronchiectasis (circled) in the right upper lobe depicted on a coronal breath-hold 3D GRE VIB MR image (4.5/1.9, 400-mm field of view, 502 x 512 matrix, 2.5-mm section thickness) obtained in a 32-year-old man with cystic fibrosis of the lung.

View larger version (153K): [in a new window]   Figure 3. Coronal breath-hold 3D GRE VIB MR image (4.5/1.9, 400-mm field of view, 502 x 512 matrix, 2.5-mm section thickness) obtained in a 75-year-old man with squamous cell lung carcinoma and a left hilar mass. Obstruction of the left main bronchus (1) and infiltration of the aortic wall (2) are seen.

View larger version (158K): [in a new window]   Figure 4. Coronal breath-hold 3D GRE VIB MR image (4.5/1.9, 380-mm field of view, 502 x 512 matrix, 2.5-mm section thickness) obtained in a 30-year-old woman, a healthy volunteer, shows the incidental finding of a thyroid mass (T), a benign goiter, in the upper mediastinum and the jugulum.

View larger version (161K): [in a new window]   Figure 5. Coronal breath-hold 3D GRE VIB MR image (4.5/1.9, 400-mm field of view, 502 x 512 matrix, 2.5-mm section thickness) obtained 5 minutes after intravenous administration of 20 mL of gadopentetate dimeglumine in an 86-year-old man with pleural empyema (E) shows intense enhancement of the pleural thickening due to abscess encapsulation (arrowheads).