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  • Title: [MRI-controlled intervention in suspected lesions of the breast].
    Author: Vosshenrich R, Fischer U, Grabbe E.
    Journal: Geburtshilfe Frauenheilkd; 1996 Apr; 56(4):173-6. PubMed ID: 8682281.
    Abstract:
    PURPOSE: To evaluate two different systems for magnetic resonance (MR) imaging-guided breast interventions. MATERIALS AND METHODS: 41 patients with 41 lesions detected exclusively with contrast-enhanced MR imaging underwent 68 interventional procedures (27 needle biopsies and 41 preoperative wire localisations) with two different systems. An add-on device for surface coils was used in 39 cases, and a dedicated single breast biopsy coil was used in 29. For needle biopsies, material was aspirated with nonmagnetic 19.5 gauge needles. For preoperative localisations, nonmagnetic wires were used. RESULTS: Surgical excision verified the cytological findings in 23 of the 27 cases sampled for biopsy. Cytological diagnosis was impossible in three cases. One technical failure occurred with the biopsy coil. Open biopsy performed after MR imaging-guided localisation successfully removed 38 of the 41 lesions. One missed carcinoma was found at repeat localisation and removed. Two technical failures occurred with the biopsy coil. In these cases, the lesions were close to the chest wall. CONCLUSIONS: Both systems are suitable for MR-guided fine-needle biopsy and preoperative localisation of breast lesions seen exclusively on MR images.
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