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The Application of 1% Methylene Blue Dye As a Single Technique in Breast Cancer Sentinel Node Biopsy
Published on: June 1, 2019
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[An unexpected pathology report of a sentinel lymph node]
Astrid Klooster1, Steffan G J Rödel, Magdalena W van Oven
1Universitair Medisch Centrum Groningen, afd. Pathologie en Medische Biologie, Groningen.
Nederlands Tijdschrift Voor Geneeskunde
|May 14, 2015
Summary
A large nodal nevus was incidentally discovered in the sentinel lymph node of a breast cancer patient. This benign finding is important for accurate breast cancer staging and treatment planning.
Area of Science:
- Oncology
- Pathology
- Dermatology
Background:
- Breast carcinoma diagnosis and treatment involve surgical procedures like mastectomy.
- Sentinel lymph node biopsy is a standard procedure to assess cancer metastasis.
Observation:
- A 60-year-old woman diagnosed with breast carcinoma underwent a total mastectomy and sentinel lymph node biopsy.
- Pathologic examination of the sentinel lymph node revealed an unusually large nodal nevus.
Findings:
- The sentinel lymph node contained a significant benign melanocytic nevus.
- This finding was incidental to the primary breast carcinoma evaluation.
Implications:
- Accurate identification of nodal lesions is crucial for correct cancer staging.
- Distinguishing benign findings like nodal nevi from metastatic disease is essential for appropriate patient management and avoiding overtreatment.

