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Trabecular Thickening, Edema
Nicole S. Winkler, MD; Wendie A. Berg, MD, PhD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Diagnostic Checklist

          TERMINOLOGY

          • Synonyms

            • Breast interstitial edema
            • Clinically, "swelling"
          • Definitions

            • Trabecular thickening = linear/reticular widening of fibrous septa within breast tissue, including Cooper ligaments
            • Edema = excess of interstitial fluid

          IMAGING

          • General Features

            • Mammographic Findings

              • Ultrasonographic Findings

                • MR Findings

                  • Nuclear Medicine Findings

                    • Image-Guided Biopsy

                      DIFFERENTIAL DIAGNOSIS

                        PATHOLOGY

                        • General Features

                          CLINICAL ISSUES

                          • Presentation

                            • Natural History & Prognosis

                              • Treatment

                                DIAGNOSTIC CHECKLIST

                                • Consider

                                  • Image Interpretation Pearls

                                    Selected References

                                    1. Cheon H et al: Invasive breast cancer: Prognostic value of peritumoral edema identified at preoperative MR imaging. Radiology. 171157, 2018
                                    2. Yeap PM et al: A comparison of the imaging features of pleomorphic and classical invasive lobular carcinoma. Breast Cancer Res Treat. ePub, 2018
                                    3. Bae MS et al: Pretreatment MR imaging features of triple-negative breast cancer: Association with response to neoadjuvant chemotherapy and recurrence-free survival. Radiology. 281(2):392-400, 2016
                                    4. Chikarmane SA et al: MRI findings of radiation-associated angiosarcoma of the breast (RAS). J Magn Reson Imaging. 42(3):763-70, 2015
                                    5. Uematsu T: Focal breast edema associated with malignancy on T2-weighted images of breast MRI: peritumoral edema, prepectoral edema, and subcutaneous edema. Breast Cancer. 22(1):66-70, 2015
                                    6. Yildiz S et al: Radiologic findings of idiopathic granulomatous mastitis. Med Ultrason. 17(1):39-44, 2015
                                    7. Verbelen H et al: Breast edema in breast cancer patients following breast-conserving surgery and radiotherapy: a systematic review. Breast Cancer Res Treat. 147(3):463-71, 2014
                                    8. Yeh ED et al: What radiologists need to know about diagnosis and treatment of inflammatory breast cancer: a multidisciplinary approach. Radiographics. 33(7):2003-17, 2013
                                    9. Le-Petross HT et al: MRI features of inflammatory breast cancer. AJR Am J Roentgenol. 197(4):W769-76, 2011
                                    10. Yang WT et al: Inflammatory breast cancer: PET/CT, MRI, mammography, and sonography findings. Breast Cancer Res Treat. 109(3):417-26, 2008
                                    11. Wratten CR et al: Breast edema in patients undergoing breast-conserving treatment for breast cancer: assessment via high frequency ultrasound. Breast J. 13(3):266-73, 2007
                                    12. Kwak JY et al: Unilateral breast edema: spectrum of etiologies and imaging appearances. Yonsei Med J. 46(1):1-7, 2005
                                    13. Singer EA et al: Tamoxifen-induced radiation recall dermatitis. Breast J. 10(2):170-1, 2004
                                    14. Ahn BY et al: Pregnancy- and lactation-associated breast cancer: mammographic and sonographic findings. J Ultrasound Med. 22(5):491-7; quiz 498-9, 2003
                                    15. D'Orsi CJ et al: The ACR Breast Imaging Reporting and Data System (BI-RADS®): Mammography. 4th ed. Reston: American College of Radiology, 2003
                                    16. Günhan-Bilgen I et al: Inflammatory breast carcinoma: mammographic, ultrasonographic, clinical, and pathologic findings in 142 cases. Radiology. 223(3):829-38, 2002
                                    17. Chung SY et al: Imaging findings of metastatic disease to the breast. Yonsei Med J. 42(5):497-502, 2001
                                    18. Fu K et al: Mammographic findings of diffuse amyloidosis and carcinoma of the breast. AJR Am J Roentgenol. 177(4):901-2, 2001
                                    19. Philpotts LE et al: Mammographic findings of recurrent breast cancer after lumpectomy and radiation therapy: comparison with the primary tumor. Radiology. 201(3):767-71, 1996
                                    20. Dershaw DD: Evaluation of the breast undergoing lumpectomy and radiation therapy. Radiol Clin North Am. 33(6):1147-60, 1995
                                    21. Dershaw DD et al: Inflammatory breast carcinoma: mammographic findings. Radiology. 190(3):831-4, 1994
                                    22. Mendelson EB: Evaluation of the postoperative breast. Radiol Clin North Am. 30(1):107-38, 1992
                                    Related Anatomy
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                                    Related Differential Diagnoses
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                                    References
                                    Tables

                                    Tables

                                    KEY FACTS

                                    • Terminology

                                      • Imaging

                                        • Top Differential Diagnoses

                                          • Diagnostic Checklist

                                            TERMINOLOGY

                                            • Synonyms

                                              • Breast interstitial edema
                                              • Clinically, "swelling"
                                            • Definitions

                                              • Trabecular thickening = linear/reticular widening of fibrous septa within breast tissue, including Cooper ligaments
                                              • Edema = excess of interstitial fluid

                                            IMAGING

                                            • General Features

                                              • Mammographic Findings

                                                • Ultrasonographic Findings

                                                  • MR Findings

                                                    • Nuclear Medicine Findings

                                                      • Image-Guided Biopsy

                                                        DIFFERENTIAL DIAGNOSIS

                                                          PATHOLOGY

                                                          • General Features

                                                            CLINICAL ISSUES

                                                            • Presentation

                                                              • Natural History & Prognosis

                                                                • Treatment

                                                                  DIAGNOSTIC CHECKLIST

                                                                  • Consider

                                                                    • Image Interpretation Pearls

                                                                      Selected References

                                                                      1. Cheon H et al: Invasive breast cancer: Prognostic value of peritumoral edema identified at preoperative MR imaging. Radiology. 171157, 2018
                                                                      2. Yeap PM et al: A comparison of the imaging features of pleomorphic and classical invasive lobular carcinoma. Breast Cancer Res Treat. ePub, 2018
                                                                      3. Bae MS et al: Pretreatment MR imaging features of triple-negative breast cancer: Association with response to neoadjuvant chemotherapy and recurrence-free survival. Radiology. 281(2):392-400, 2016
                                                                      4. Chikarmane SA et al: MRI findings of radiation-associated angiosarcoma of the breast (RAS). J Magn Reson Imaging. 42(3):763-70, 2015
                                                                      5. Uematsu T: Focal breast edema associated with malignancy on T2-weighted images of breast MRI: peritumoral edema, prepectoral edema, and subcutaneous edema. Breast Cancer. 22(1):66-70, 2015
                                                                      6. Yildiz S et al: Radiologic findings of idiopathic granulomatous mastitis. Med Ultrason. 17(1):39-44, 2015
                                                                      7. Verbelen H et al: Breast edema in breast cancer patients following breast-conserving surgery and radiotherapy: a systematic review. Breast Cancer Res Treat. 147(3):463-71, 2014
                                                                      8. Yeh ED et al: What radiologists need to know about diagnosis and treatment of inflammatory breast cancer: a multidisciplinary approach. Radiographics. 33(7):2003-17, 2013
                                                                      9. Le-Petross HT et al: MRI features of inflammatory breast cancer. AJR Am J Roentgenol. 197(4):W769-76, 2011
                                                                      10. Yang WT et al: Inflammatory breast cancer: PET/CT, MRI, mammography, and sonography findings. Breast Cancer Res Treat. 109(3):417-26, 2008
                                                                      11. Wratten CR et al: Breast edema in patients undergoing breast-conserving treatment for breast cancer: assessment via high frequency ultrasound. Breast J. 13(3):266-73, 2007
                                                                      12. Kwak JY et al: Unilateral breast edema: spectrum of etiologies and imaging appearances. Yonsei Med J. 46(1):1-7, 2005
                                                                      13. Singer EA et al: Tamoxifen-induced radiation recall dermatitis. Breast J. 10(2):170-1, 2004
                                                                      14. Ahn BY et al: Pregnancy- and lactation-associated breast cancer: mammographic and sonographic findings. J Ultrasound Med. 22(5):491-7; quiz 498-9, 2003
                                                                      15. D'Orsi CJ et al: The ACR Breast Imaging Reporting and Data System (BI-RADS®): Mammography. 4th ed. Reston: American College of Radiology, 2003
                                                                      16. Günhan-Bilgen I et al: Inflammatory breast carcinoma: mammographic, ultrasonographic, clinical, and pathologic findings in 142 cases. Radiology. 223(3):829-38, 2002
                                                                      17. Chung SY et al: Imaging findings of metastatic disease to the breast. Yonsei Med J. 42(5):497-502, 2001
                                                                      18. Fu K et al: Mammographic findings of diffuse amyloidosis and carcinoma of the breast. AJR Am J Roentgenol. 177(4):901-2, 2001
                                                                      19. Philpotts LE et al: Mammographic findings of recurrent breast cancer after lumpectomy and radiation therapy: comparison with the primary tumor. Radiology. 201(3):767-71, 1996
                                                                      20. Dershaw DD: Evaluation of the breast undergoing lumpectomy and radiation therapy. Radiol Clin North Am. 33(6):1147-60, 1995
                                                                      21. Dershaw DD et al: Inflammatory breast carcinoma: mammographic findings. Radiology. 190(3):831-4, 1994
                                                                      22. Mendelson EB: Evaluation of the postoperative breast. Radiol Clin North Am. 30(1):107-38, 1992