Small intestinal metastasis of triple-negative breast cancer mimicking lymphoma: imaging findings and case report
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By
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Lin-Ying Ma
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Xiao-Shan Huang
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Shu-Feng Fan
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Li-Ming Xue
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July 9, 2026
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Clinical Scorecard: Metastasis of Triple-Negative Breast Cancer to the Small Intestine Presenting as Lymphoma: Imaging Characteristics and Case Study
At a Glance
| Category | Detail |
|---|
| Condition | Clinical topic addressed by the source article: Metastasis of Triple-Negative Breast Cancer to the Small Intestine Presenting as Lymphoma |
| Key Mechanisms | Mechanisms or clinical associations described in the source article. |
| Target Population | Breast cancer survivors, particularly those with a history of invasive lobular carcinoma and triple-negative phenotype |
| Care Setting | Care setting described in the source article. |
Key Highlights
- Rare case of small intestinal metastasis from breast cancer presenting with unexplained anemia
- Initial imaging suggested lymphoma due to segmental wall thickening and lymphadenopathy
- Definitive diagnosis established through histopathological and immunohistochemical evaluation
- Atypical presentation emphasizes the need for high suspicion in triple-negative breast cancer survivors
- Multidisciplinary approach is essential to minimize diagnostic delays
Guideline-Based Recommendations
Diagnosis
Management
- Utilize imaging techniques such as CT and endoscopic techniques like double-balloon enteroscopy for diagnosis and evaluation
Monitoring & Follow-up
Risks
Patient & Prescribing Data
Previous treatment included targeted therapy, immunotherapy, and combination chemotherapy from July to November 2024
Clinical Best Practices
- Integrate imaging, endoscopy, pathology, and immunohistochemistry for accurate diagnosis
- Consider atypical presentations in breast cancer survivors
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