title: Ultrasound elastography of pulmonary lesions - a feasibility study.
abstract: BACKGROUND
  The potential of sonography in the examination of lung tissue is extremely limited by the air-filled alveoles of the lung. Only in special circumstances like pleural adhesion lesions, atelectasis or pneumonia can lung tissue be visualized by B-mode sonography. Real-time elastography was primarily applied to detect and visualize pulmonary lesions.
  
  
  METHODS
  8 patients with a total of 18 histologically proven metastases of the lung were included. All pulmonary lesions were detected by computed tomography. Sonographic examination was performed with a 7.5 MHz linear transducer (Acuson Antares premium edition, Siemens, Erlangen, Germany), including B-mode and real-time elastography (RTE). The mean distance between pleura and the lesions ranged from 0 to 2.5 cm. Two lesions were located in the upper right lobe, eleven lesions in the lower right and five in the lower left lobe.
  
  
  RESULTS
  RTE was able to detect and visualize all 18 pulmonary lesions in contrast to B-mode. The size and distance of the lesions from the pleura correlated with the CT findings.
  
  
  CONCLUSIONS
  In contrast to B-mode sonography, RTE is able to detect and visualize peripheral, non-pleural adherent pulmonary lesions.
authors: Institute of Radiology, University of Erlangen.
authors: B R
authors: BR
authors: Adamietz
authors: Department of Gynaecology and Obstetrics, University of Erlangen.
authors: P A
authors: PA
authors: Fasching
authors: Department of Gynaecology and Obstetrics, University of Erlangen.
authors: S
authors: S
authors: Jud
authors: Institute of Radiology, University of Erlangen.
authors: R
authors: R
authors: Schulz-Wendtland
authors: Institute of Radiology, University of Erlangen.
authors: K
authors: K
authors: Anders
authors: Institute of Radiology, University of Erlangen.
authors: M
authors: M
authors: Uder
authors: Institute of Radiology, University of Erlangen.
authors: W
authors: W
authors: Wüst
authors: Department of Gynaecology and Obstetrics, University of Erlangen.
authors: C
authors: C
authors: Rauh
authors: Institute of Radiology, University of Erlangen.
authors: M
authors: M
authors: Meier-Meitinger
mesh_terms: D000368:Aged; D001943:Breast Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D054459:Elasticity Imaging Techniques / Q000295:instrumentation / Q000379:methods*; D005240:Feasibility Studies; D005260:Female; D006801:Humans; D007089:Image Enhancement / Q000295:instrumentation / Q000379:methods; D007090:Image Interpretation, Computer-Assisted / Q000295:instrumentation / Q000379:methods; D007890:Leiomyosarcoma / Q000000981:diagnostic imaging* / Q000473:pathology / Q000556:secondary*; D008168:Lung / Q000000981:diagnostic imaging / Q000473:pathology; D008175:Lung Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology / Q000556:secondary*; D008875:Middle Aged; D010051:Ovarian Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D012680:Sensitivity and Specificity; D014057:Tomography, X-Ray Computed; D014159:Transducers; D047368:Tumor Burden; D014594:Uterine Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology