Radio-guided occult lesion localisation for breast lesions under computer-aided MRI guidance: the first experience and initial results.
| Autor: | Yilmaz MH; Department of Radiology, Istanbul University, Cerrahpasa Medical School, Istanbul, Turkey., Kilic F, Icten GE, Aydogan F, Ozben V, Halac M, Olgun DC, Gazioglu E, Celik V, Uras C, Altug ZA |
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| Jazyk: | angličtina |
| Zdroj: | The British journal of radiology [Br J Radiol] 2012 Apr; Vol. 85 (1012), pp. 395-402. Date of Electronic Publication: 2011 Oct 18. |
| DOI: | 10.1259/bjr/30798119 |
| Abstrakt: | Objective: The purpose of this study was to present an alternative technique for the pre-operative localisation of solely MRI-detected suspicious breast lesions using a computer-assisted MRI-guided radio-guided occult lesion localisation (ROLL) technique. Methods: Between January 2009 and June 2010, 25 females with a total of 25 suspicious breast lesions that could be detected only by MRI, and for whom breast surgery was planned, underwent the computer-assisted MRI-guided ROLL technique. A seven-channel biopsy breast array coil and computerised diagnostic workstation were used for the localisation procedure. Three-phase dynamic contrast-enhanced axial images were taken. After investigating the localisation co-ordinates with the help of intervention software on a workstation, an 18 G coaxial cannula was placed in the exact position determined. Following verification of the cannula position by additional axial scans, (99m)Tc-labelled macroalbumin aggregate and MRI contrast material were injected. Post-procedure MRI scans were used to confirm the correct localisation. Results: All the procedures were technically successful. The mean lesion size was 10.8 mm (range: 4-25 mm). The mean total magnet and the mean localisation times were 28.6 min (range: 18-46 min) and 13.1 min (range: 8-20 min), respectively. Grid and pillar methods were used for localisation in 24 procedures and 1 procedure, respectively. On histopathological examination, 6 malignant, 10 high-risk and 9 benign lesions were identified. All patients tolerated the procedure well. There were no major complications. Conclusion: This is the first report documenting the application of MRI-guided ROLL. Based on our preliminary results, this technique is very efficient and seems to be a good alternative to wire localisation. |
| Databáze: | MEDLINE |
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