Radical Resection of Small Bowel Adenocarcinoma With Multiple Liver Metastases Following Neoadjuvant Chemotherapy: A Case Report.

Small bowel adenocarcinoma (SBA) is a relatively rare disease that is difficult to detect in the early stages; therefore, it often has a poor prognosis. We present a rare case of SBA and multiple liver metastases in a patient who underwent curative resection combined with neoadjuvant chemotherapy (NAC). A 70-year-old woman presented to the emergency department complaining of abdominal pain and bloating. She was diagnosed with bowel obstruction due to a primary jejunal tumor and was admitted to the hospital. After further imaging and histopathological examination, the patient was diagnosed with primary jejunal adenocarcinoma with multiple liver metastases, all of which were considered resectable. Since she had developed bowel obstruction due to the primary tumor, jejunal resection with draining lymph node removal was initially performed. The remaining multiple liver metastases were treated with four courses of capecitabine and oxaliplatin (CAPEOX) with bevacizumab as NAC, followed by hepatectomy. After NAC, the patient underwent radical liver resection. Based on a pathological examination, the five liver tumors were all diagnosed as liver metastases from jejunal adenocarcinoma. Six months after the liver resection, a single recurrence was observed in segment V of the liver. Therefore, four courses of CAPEOX with bevacizumab were administered again as NAC, and liver resection was performed again. At the time of writing this report, she has survived for more than four years after the first surgery, with no apparent recurrence. This is a rare case of a patient who underwent radical resection of SBA with multiple liver metastases following CAPEOX and bevacizumab as NAC.

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Human subjects: Consent was obtained or waived by all participants in this study. Conflicts of interest: In compliance with the ICMJE uniform disclosure form, all authors declare the following: Payment/services info: All authors have declared that no financial support was received from any organization for the submitted work. Financial relationships: All authors have declared that they have no financial relationships at present or within the previous three years with any organizations that might have an interest in the submitted work. Other relationships: All authors have declared that there are no other relationships or activities that could appear to have influenced the submitted work.