Abstract
IntroductionLobular breast cancer (LBC) has an increased risk of gastrointestinal (GI) spread compared with ductal breast carcinoma. Breast cancer commonly metastasises to bone, lung, liver, central nervous system and rarely to the gastrointestinal tract. As the prognosis for breast cancer continues to improve with modern medical practice it is important to be aware of the various clinical presentations and the appropriate management of breast cancer metastases.Case presentationWe describe a case of a 60-year-old woman who presented with symptoms of bowel obstruction 30 months after undergoing mastectomy and adjuvant chemotherapy for LBC. A Computer Tomography (CT) scan showed terminal ileal thickening suggestive of Crohn's disease but histopathology revealed metastatic lobular carcinoma. Surgical resection to relieve her small bowel obstruction confirmed LBC.Clinical discussionThis case illustrates an unusual presentation of metastatic breast cancer causing small bowel obstruction with radiological features mimicking Crohn's disease.ConclusionPatients with breast cancer can present with intestinal obstruction due to metastatic spread to the small intestine; this may resemble Crohn's disease clinically and radiologically.
Highlights
Lobular breast cancer (LBC) has an increased risk of gastrointestinal (GI) spread compared with ductal breast carcinoma
Breast cancer metastasis present ing as bowel obstruction is distinctly rare
We report a case of invasive LBC with subsequent spread to the stomach and terminal ileum who was managed at a tertiary health institution
Summary
Breast Cancer preferentially metastasizes to bone, lung, liver and the central nervous system [1]. The presence of these metastases is associ ated with poor clinical outcomes [2]. Breast cancer metastasis present ing as bowel obstruction is distinctly rare. We report a case of invasive LBC with subsequent spread to the stomach and terminal ileum who was managed at a tertiary health institution. This work has been reported in line with the SCARE Criteria, 2020 [3]
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