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Metastatic intramammary lymph node

Dr Jeffrey Cheng ◉ and Radswiki et al.

A metastatic intramammary lymph node refers to an intramammary lymph node involved with metastatic or malignant disease.

Radiographic features

Breast ultrasound

Sonographic features that suggest metastatic involvement include ⁴:

disappearance or loss of central echogenic hilar region
marked hypoechogenicity
increase in size
lobulated outer contours

Different authors put different emphasis on cortical measurement and nodal morphology to predict malignant nodal involvement.

Cho et al. ² developed a grading system of cortical thickness by proposing a thickness of 2.5 mm or more as an indication for cytology/histology assessment.

Bedi et al. ³ developed these categories:

type 1: without visible cortex
type 2: cortex ≤ 3 mm
type 3: cortex > 3 mm
- frequently reactional changes
type 4: entirely lobulated cortex
- considered as probably benign
type 5: with focal lobulation
- suspicious, indication for biopsy
type 6: completely hypoechogenic, without hilum
- suspicious, indication for biopsy

References

Breast imaging and pathology

Article information

rID: 15273

System: Breast

Section: Gamuts

Tag: stub, cases, refs, cases

Synonyms or Alternate Spellings:

Metastatic intramammary lymph nodes
Malignant intramammary lymph node

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Cases and figures

Case 1: lymphomaCase 1: lymphoma

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