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Breast Dis ; 41(1): 221-228, 2022.
Article in English | MEDLINE | ID: mdl-35404267

ABSTRACT

OBJECTIVE: Preoperative diagnosis of phyllodes tumor (PT) is challenging, core-needle biopsy (CNB) has a significant rate of understaging, resulting in suboptimal surgical planification. We hypothesized that the association of imaging data to CNB would improve preoperative diagnostic accuracy compared to biopsy alone. METHODS: In this retrospective pilot study, we included 59 phyllodes tumor with available preoperative imaging, CNB and surgical specimen pathology. RESULTS: Two ultrasound features: tumor heterogeneity and tumor shape were associated with tumor grade, independently of CNB results. Using a machine learning classifier, the association of ultrasound features with CNB results improved accuracy of preoperative tumor classification up to 84%. CONCLUSION: An integrative approach of preoperative diagnosis, associating ultrasound features and CNB, improves preoperative diagnosis and could thus optimize surgical planification.


Subject(s)
Breast Neoplasms , Phyllodes Tumor , Biopsy, Large-Core Needle/methods , Breast Neoplasms/diagnostic imaging , Breast Neoplasms/surgery , Female , Humans , Phyllodes Tumor/diagnostic imaging , Phyllodes Tumor/surgery , Pilot Projects , Retrospective Studies
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