Feasibility of Mapping Breast Cancer with Supine Breast MRI in Patients Scheduled for Oncoplastic Surgery
Overview
Affiliations
Objectives: To prospectively determine the feasibility of preoperative supine breast MRI in breast cancer patients scheduled for oncoplastic breast-conserving surgery.
Methods: In addition to a diagnostic prone breast MRI, a supplementary supine MRI was performed with the patient in the surgical position including skin markers. Tumours' locations were ink-marked on the skin according to findings obtained from supine MRI. Changes in tumours' largest diameter and locations between prone and supine MRI were measured and compared to histology. Nipple-to-tumour and tumour-to-chest wall distances were also measured. Tumours and suspicious areas were surgically removed according to skin ink-markings. The differences between MRI measurements with reference to histopathology were evaluated with the paired-sample t test.
Results: Fourteen consecutive patients, 15 breasts and 27 lesions were analysed. Compared to histology, prone MRI overestimated tumour size by 47.1% (p = 0.01) and supine MRI by 14.5% (p = 0.259). In supine MRI, lesions' mean diameters and areas were smaller compared to prone MRI (- 20.9%, p = 0.009 and - 38.3%, p = 0.016, respectively). This difference in diameter was more pronounced in non-mass lesions (- 31.2%, p = 0.031) compared to mass lesions (- 9.2%, p = 0.009). Tumours' mean distance from chest wall diminished by 69.4% (p < 0.001) and from nipple by 18.2% (p < 0.001). Free microscopic margins were achieved in first operation in all patients.
Conclusions: Supine MRI in the surgical position is feasible and useful in the precise localisation of prone MRI-detected lesions and provides a helpful tool to implement in surgery. Supine MRI more accurately determines tumours' size and location and might have an important role to diminish overestimations.
Key Points: • Breath-hold supine breast MRI is feasible using commercially available coils and sequences. • Size and area of lesions on MRI were consistently smaller when measured from the supine position as compared to the prone position. • Supine breast MRI is useful in the precise preoperative localisation of prone MRI-detected lesions. •.
Jin Y, Zhao C, Wang L, Su Y, Shang D, Li F Cancer Med. 2024; 13(3):e6956.
PMID: 38247382 PMC: 10905334. DOI: 10.1002/cam4.6956.
Feasibility of online non-rigid motion correction for high-resolution supine breast MRI.
Isaieva K, Meullenet C, Vuissoz P, Fauvel M, Nohava L, Laistler E Magn Reson Med. 2023; 90(5):2130-2143.
PMID: 37379467 PMC: 10953366. DOI: 10.1002/mrm.29768.
Supine magnetic resonance image registration for breast surgery: insights on material mechanics.
Ringel M, Richey W, Heiselman J, Luo M, Meszoely I, Miga M J Med Imaging (Bellingham). 2022; 9(6):065001.
PMID: 36388143 PMC: 9659944. DOI: 10.1117/1.JMI.9.6.065001.
Dual-Layer Rotation: A Versatile Therapeutic Mammoplasty Technique.
Joukainen S, Laaksonen E, Vanninen R, Kaarela O, Sudah M Ann Surg Oncol. 2022; 29(11):6716-6727.
PMID: 35711016 PMC: 9492593. DOI: 10.1245/s10434-022-11977-4.
Tumor deformation correction for an image guidance system in breast conserving surgery.
Richey W, Heiselman J, Ringel M, Meszoely I, Miga M Proc SPIE Int Soc Opt Eng. 2022; 12034.
PMID: 35611302 PMC: 9126640. DOI: 10.1117/12.2611570.