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Related Concept Videos

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Related Experiment Video

Updated: Jan 22, 2026

High-frequency Ultrasound Imaging of Mouse Cervical Lymph Nodes
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Intramammary lymph nodes: normal and abnormal multimodality imaging features.

Almir Gv Bitencourt1, Eduardo Vl Ferreira1, David C Bastos1

  • 1Department of Imaging, A.C.Camargo Cancer Center, São Paulo, Brazil Rua Professor Antônio Prudente, 211, Liberdade, São Paulo-SP.

The British Journal of Radiology
|July 20, 2019
PubMed
Summary
This summary is machine-generated.

Intramammary lymph nodes (IMLN) are common benign mammography findings. Radiologists must identify abnormal IMLN features that may indicate malignancy or metastasis, requiring further investigation.

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Area of Science:

  • Radiology
  • Oncology
  • Pathology

Background:

  • Intramammary lymph nodes (IMLN) are frequent benign findings on screening mammography.
  • Abnormal IMLN features can mimic malignancy or indicate metastatic spread.
  • Benign conditions like reactive hyperplasia and silicone lymphadenopathy can affect IMLN appearance.

Purpose of the Study:

  • To review the imaging characteristics of intramammary lymph nodes (IMLN).
  • To differentiate benign IMLN from malignant lesions on mammography.
  • To highlight the role of IMLN in breast cancer staging and prognosis.

Main Methods:

  • Review of mammographic imaging features of IMLN.
  • Correlation with clinical and pathological data.
  • Discussion of differential diagnoses for abnormal IMLN.

Main Results:

  • Typical IMLN exhibit a fatty hilum and oval shape.
  • Abnormal features include absent hilum, thickened cortex, irregular margins, and interval change.
  • IMLN can represent locoregional spread in known breast cancer patients.
  • Malignant breast tumors can sometimes mimic IMLN.

Conclusions:

  • Accurate assessment of IMLN on mammography is crucial for patient management.
  • Radiologists must be vigilant for atypical IMLN features suggestive of malignancy.
  • Understanding IMLN characteristics aids in excluding benign conditions and identifying potential cancer spread.