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Intramammary Lymph Node
Ethan O. Cohen, MD; Wei Tse Yang, MBBS
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          TERMINOLOGY

          • Abbreviations

            • Intramammary lymph node (IMLN)
          • Synonyms

            • Intraparenchymal lymph node

          IMAGING

          • General Features

            • Mammographic Findings

              • Ultrasonographic Findings

                • MR Findings

                  • Nuclear Medicine Findings

                    • Image-Guided Biopsy

                      DIFFERENTIAL DIAGNOSIS

                        PATHOLOGY

                        • General Features

                          • Staging, Grading, & Classification

                            • Gross Pathologic & Surgical Features

                              • Microscopic Features

                                CLINICAL ISSUES

                                • Presentation

                                  • Treatment

                                    DIAGNOSTIC CHECKLIST

                                    • Consider

                                      • Image Interpretation Pearls

                                        Selected References

                                        1. Dialani V et al: Indications for biopsy of imaging-detected intramammary and axillary lymph nodes in the absence of concurrent breast cancer. Breast J. ePub, 2018
                                        2. Green M et al: Time to redefine the intramammary lymph node as a separate entity? Clin Anat. ePub, 2018
                                        3. De Alcantara Filho PR et al: Intramammary sentinel lymph node with capsular extravasation in breast cancer. Ann Surg Treat Res. 92(5):376-379, 2017
                                        4. Sidiropoulou Z et al: Case Report: Intramammary lymph node metastasis of an unknown primary, probably occult breast, undifferentiated carcinoma. F1000Res. 6:265, 2017
                                        5. Ginter PS et al: Intramammary Lymph Node with Gold Deposits Presenting as Mammographic Calcifications. Breast J. 22(2):232-3, 2016
                                        6. Mason C et al: Unusual presentation of metastatic ovarian carcinoma as an enlarged intramammary lymph node. Proc (Bayl Univ Med Cent). 28(3):386-8, 2015
                                        7. Lee SK et al: The clinical meaning of intramammary lymph nodes. Oncology. 84(1):1-5, 2013
                                        8. Abdullgaffar B et al: The significance of intramammary lymph nodes in breast cancer: a systematic review and meta-analysis. Int J Surg Pathol. 20(6):555-63, 2012
                                        9. Diaz R et al: A positive intramammary lymph node does not mandate a complete axillary node dissection. Am J Surg. 203(2):151-5, 2012
                                        10. Troupis T et al: Intramammary lymph nodes: a question seeking for an answer or an answer seeking for a question? Breast. 21(5):615-20, 2012
                                        11. Hale MP et al: AIRP best cases in radiologic-pathologic correlation: primary invasive lobular carcinoma of the breast manifesting with an associated intramammary lymph node metastasis. Radiographics. 31(4):1101-6, 2011
                                        12. Hogan BV et al: Intramammary lymph node metastasis predicts poorer survival in breast cancer patients. Surg Oncol. 19(1):11-6, 2010
                                        13. Araújo C et al: Intramammary lymph node metastasis of breast cancer after sentinel node biopsy: two cases and a review of the literature. Eur J Surg Oncol. 35(12):1354, 2009
                                        14. Pugliese MS et al: Surgical management of the axilla: do intramammary nodes matter? Am J Surg. 198(4):532-7, 2009
                                        15. Vijan SS et al: Intramammary lymph nodes: patterns of discovery and clinical significance. Surgery. 145(5):495-9, 2009
                                        16. Cox CE et al: Intramammary sentinel lymph nodes: what is the clinical significance? Ann Surg Oncol. 15(5):1273-4, 2008
                                        17. Edeiken-Monroe BS et al: Metastases to intramammary lymph nodes in patients with breast cancer: sonographic findings. J Clin Ultrasound. 36(5):279-85, 2008
                                        18. Intra M et al: When sentinel lymph node is intramammary. Ann Surg Oncol. 15(5):1304-8, 2008
                                        19. Nassar A et al: Significance of intramammary lymph nodes in the staging of breast cancer: correlation with tumor characteristics and outcome. Breast J. 14(2):147-52, 2008
                                        20. Rampaul RS et al: Incidence of intramammary nodes in completion mastectomy specimens after axillary node sampling: implications for breast conserving surgery. Breast. 17(2):195-8, 2008
                                        21. Guth AA et al: Intramammary lymph nodes and breast cancer: a marker for disease severity, or just another lymph node? Am J Surg. 192(4):502-5, 2006
                                        22. Shen J et al: Intramammary lymph node metastases are an independent predictor of poor outcome in patients with breast carcinoma. Cancer. 101(6):1330-7, 2004
                                        23. Günhan-Bilgen I et al: Metastatic intramammary lymph nodes: mammographic and ultrasonographic features. Eur J Radiol. 40(1):24-9, 2001
                                        24. Schmidt WA et al: Lymph nodes in the human female breast: a review of their detection and significance. Hum Pathol. 32(2):178-87, 2001
                                        25. Spillane AJ et al: Clinical significance of intramammary lymph nodes. Breast. 8(3):143-6, 1999
                                        26. Meyer JE et al: Mammographic appearance of normal intramammary lymph nodes in an atypical location. AJR Am J Roentgenol. 161(4):779-80, 1993
                                        27. Svane G et al: Radiologic appearance of nonpalpable intramammary lymph nodes. Acta Radiol. 34(6):577-80, 1993
                                        28. Woods JD et al: Hyperpyrexia induced by 3,4-methylenedioxyamphetamine ("Eve") Lancet. 340(8814):305, 1992
                                        Related Anatomy
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                                        Related Differential Diagnoses
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                                        References
                                        Tables

                                        Tables

                                        KEY FACTS

                                        • Terminology

                                          • Imaging

                                            • Top Differential Diagnoses

                                              • Pathology

                                                TERMINOLOGY

                                                • Abbreviations

                                                  • Intramammary lymph node (IMLN)
                                                • Synonyms

                                                  • Intraparenchymal lymph node

                                                IMAGING

                                                • General Features

                                                  • Mammographic Findings

                                                    • Ultrasonographic Findings

                                                      • MR Findings

                                                        • Nuclear Medicine Findings

                                                          • Image-Guided Biopsy

                                                            DIFFERENTIAL DIAGNOSIS

                                                              PATHOLOGY

                                                              • General Features

                                                                • Staging, Grading, & Classification

                                                                  • Gross Pathologic & Surgical Features

                                                                    • Microscopic Features

                                                                      CLINICAL ISSUES

                                                                      • Presentation

                                                                        • Treatment

                                                                          DIAGNOSTIC CHECKLIST

                                                                          • Consider

                                                                            • Image Interpretation Pearls

                                                                              Selected References

                                                                              1. Dialani V et al: Indications for biopsy of imaging-detected intramammary and axillary lymph nodes in the absence of concurrent breast cancer. Breast J. ePub, 2018
                                                                              2. Green M et al: Time to redefine the intramammary lymph node as a separate entity? Clin Anat. ePub, 2018
                                                                              3. De Alcantara Filho PR et al: Intramammary sentinel lymph node with capsular extravasation in breast cancer. Ann Surg Treat Res. 92(5):376-379, 2017
                                                                              4. Sidiropoulou Z et al: Case Report: Intramammary lymph node metastasis of an unknown primary, probably occult breast, undifferentiated carcinoma. F1000Res. 6:265, 2017
                                                                              5. Ginter PS et al: Intramammary Lymph Node with Gold Deposits Presenting as Mammographic Calcifications. Breast J. 22(2):232-3, 2016
                                                                              6. Mason C et al: Unusual presentation of metastatic ovarian carcinoma as an enlarged intramammary lymph node. Proc (Bayl Univ Med Cent). 28(3):386-8, 2015
                                                                              7. Lee SK et al: The clinical meaning of intramammary lymph nodes. Oncology. 84(1):1-5, 2013
                                                                              8. Abdullgaffar B et al: The significance of intramammary lymph nodes in breast cancer: a systematic review and meta-analysis. Int J Surg Pathol. 20(6):555-63, 2012
                                                                              9. Diaz R et al: A positive intramammary lymph node does not mandate a complete axillary node dissection. Am J Surg. 203(2):151-5, 2012
                                                                              10. Troupis T et al: Intramammary lymph nodes: a question seeking for an answer or an answer seeking for a question? Breast. 21(5):615-20, 2012
                                                                              11. Hale MP et al: AIRP best cases in radiologic-pathologic correlation: primary invasive lobular carcinoma of the breast manifesting with an associated intramammary lymph node metastasis. Radiographics. 31(4):1101-6, 2011
                                                                              12. Hogan BV et al: Intramammary lymph node metastasis predicts poorer survival in breast cancer patients. Surg Oncol. 19(1):11-6, 2010
                                                                              13. Araújo C et al: Intramammary lymph node metastasis of breast cancer after sentinel node biopsy: two cases and a review of the literature. Eur J Surg Oncol. 35(12):1354, 2009
                                                                              14. Pugliese MS et al: Surgical management of the axilla: do intramammary nodes matter? Am J Surg. 198(4):532-7, 2009
                                                                              15. Vijan SS et al: Intramammary lymph nodes: patterns of discovery and clinical significance. Surgery. 145(5):495-9, 2009
                                                                              16. Cox CE et al: Intramammary sentinel lymph nodes: what is the clinical significance? Ann Surg Oncol. 15(5):1273-4, 2008
                                                                              17. Edeiken-Monroe BS et al: Metastases to intramammary lymph nodes in patients with breast cancer: sonographic findings. J Clin Ultrasound. 36(5):279-85, 2008
                                                                              18. Intra M et al: When sentinel lymph node is intramammary. Ann Surg Oncol. 15(5):1304-8, 2008
                                                                              19. Nassar A et al: Significance of intramammary lymph nodes in the staging of breast cancer: correlation with tumor characteristics and outcome. Breast J. 14(2):147-52, 2008
                                                                              20. Rampaul RS et al: Incidence of intramammary nodes in completion mastectomy specimens after axillary node sampling: implications for breast conserving surgery. Breast. 17(2):195-8, 2008
                                                                              21. Guth AA et al: Intramammary lymph nodes and breast cancer: a marker for disease severity, or just another lymph node? Am J Surg. 192(4):502-5, 2006
                                                                              22. Shen J et al: Intramammary lymph node metastases are an independent predictor of poor outcome in patients with breast carcinoma. Cancer. 101(6):1330-7, 2004
                                                                              23. Günhan-Bilgen I et al: Metastatic intramammary lymph nodes: mammographic and ultrasonographic features. Eur J Radiol. 40(1):24-9, 2001
                                                                              24. Schmidt WA et al: Lymph nodes in the human female breast: a review of their detection and significance. Hum Pathol. 32(2):178-87, 2001
                                                                              25. Spillane AJ et al: Clinical significance of intramammary lymph nodes. Breast. 8(3):143-6, 1999
                                                                              26. Meyer JE et al: Mammographic appearance of normal intramammary lymph nodes in an atypical location. AJR Am J Roentgenol. 161(4):779-80, 1993
                                                                              27. Svane G et al: Radiologic appearance of nonpalpable intramammary lymph nodes. Acta Radiol. 34(6):577-80, 1993
                                                                              28. Woods JD et al: Hyperpyrexia induced by 3,4-methylenedioxyamphetamine ("Eve") Lancet. 340(8814):305, 1992