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Zeina Hadad1, Wasan Wahid2, Pia Afzelius3,4

  • 1Røntgen og Skanning, Regionshospitalet Gødstrup.

Ugeskrift for Laeger
|September 25, 2024
PubMed
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This case report details unusual liver metastases in breast cancer spreading through a lymphatic route, not the typical bloodborne path. Identifying this lymphatic pathway offers a more favorable prognosis for patients compared to common haematogenous spread.

Area of Science:

  • Oncology
  • Medical Imaging
  • Surgical Pathology

Background:

  • Breast cancer commonly spreads via the bloodstream (haematogenous metastasis).
  • Invasive ductal carcinoma is the most frequent type of breast cancer.
  • Understanding metastatic pathways is crucial for accurate prognosis and treatment.

Observation:

  • A case report of a woman with recurrent invasive ductal carcinoma presenting with liver metastases.
  • The metastasis followed an unusual lymphatic route from the outer breast to the liver.
  • This pathway ran parallel to the right rectus abdominis muscle.
  • Preoperative sentinel node lymphoscintigraphy depicted this specific lymphatic drainage route.

Findings:

  • Demonstration of a rare lymphatic route for breast cancer liver metastasis.

Related Experiment Videos

  • Lymphatic spread to the liver, distinct from typical haematogenous dissemination.
  • Sentinel node lymphoscintigraphy effectively visualized the aberrant metastatic pathway.

    • Implications:

    • Recognition of this lymphatic route can significantly alter patient survival expectations.
    • This pathway may indicate a more favorable prognosis than haematogenous metastasis.
    • Highlights the importance of considering alternative metastatic routes in breast cancer recurrence.
    • Suggests potential for targeted therapies based on lymphatic spread patterns.