Long-term follow-up-findings in mammography and ultrasound after intraoperative radiotherapy (IORT) for breast cancer

Long-term follow-up-findings in mammography and ultrasound after intraoperative radiotherapy (IORT) for breast cancer
M. Ruch, J. Brade, C. Schoeber, U. Kraus-Tiefenbacher, A. Schnitzer, D. Engel, F. Wenz, M. Sütterlin, S.O. Schoenberg, K. Wasser
The Breast Volume 18, Issue 5, October 2009, Pages 327-334

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In early postoperative follow-up studies the radiologist is confronted with large and partially organized wound cavities in most cases after IORT. In further follow-ups, fat necroses arise from those cavities, and about 60% of patients show likewise large oil cysts on late follow-up mammograms. As a frequent phenomenon wound cavities appear sonographically as liquid lesions with pronounced polypoid inner wall thickening. Furthermore, a prolonged parenchymal scarring has to be expected after IORT. No specific factors were found, which might influence the incidence or the value of these structural alterations after IORT