Metastatic Pattern of Spread of Breast Adenocarcinoma
Introduction:
The metastatic site preference does depend on the subtype of the breast cancer and molecular markers.
Prevalence: Common Metastasis Frequency: Common
References:
J Clin Oncol. 2010 Jul 10;28(20):3271-7 PMID: 20498394
Clin Imaging. 1991 Jul-Sep;15(3):166-71. PMID: 1933643
Br J Radiol. 2007 Apr;80(952):284-92. PMID: 17038411
Primary Tumor:
Sorry, no description has been written for the primary tumor.
Known Metastatic Locations:
Site | Frequency | Characteristics | Comments |
Bone | Common | Mixed Lytic and Blastic | less common with triple-negative cancers |
Liver | Common | slightly more common in HER2-positive cancers |
|
Local Lymph Nodes | Common | axillary, subpectoral, supraclavicular, internal mammary |
|
Brain | Uncommon | more common in HER2-positive and/or ER/PR-positive cancers |
|
Distant Lymph Nodes | Uncommon | more common in triple-negative cancers |
|
Peritoneum | Uncommon | ||
Pleura | Uncommon | ||
Stomach | Uncommon | Linitis Plastica | |
Bronchus | Very Rare | PMID: 16475029 PMID: 11259704 PMID: 11243955 |
|
Breast | Very Rare | Contralateral | most common origin of a metastatic lesion in the breast
Cancer. 2001 Nov 1;92(9):2259-66. PMID: 11745279 |