Liver Abscess Caused by Enterobius vermicularis as a Differential Diagnosis for Liver Metastasis in Colorectal Cancer, Case Report
DOI:
https://doi.org/10.22516/25007440.790Keywords:
Colon neoplasms, Rectum neoplasms, Liver abscess, EnterobiusAbstract
Introduction: colorectal cancer is the fourth leading cause of cancer-related mortality worldwide. The identification of the metastases of this tumor in the preoperative stage is increasingly frequent due to the imaging studies currently available. We present the case of a patient with an infection caused by Enterobius vermicularis that simulates the presence of liver metastases.
Case presentation: a female patient from a rural area showing a one-year abdominal pain evolution associated with lower gastrointestinal tract bleeding and weight loss. Endoscopic imaging and studies displayed a tumor lesion in the sigmoid colon, with biopsies reporting sigmoid colon adenocarcinoma and liver lesions suggesting malignancy. Anterior resection of the rectum and sigmoid was performed with high anastomosis and liver biopsies, which ruled out malignancy and reported the presence of liver infection by E. vermicularis.
Discussion: in this case, the hepatic E. vermicularis infection was rare. This infection can simulate the presence of liver metastases; therefore, it should be considered a differential diagnosis of metastatic colorectal cancer.
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