Persistent cholestasis resulting from duodenal papillary car
A 14-year-old male patient with cholestasis was admitted because of jaundice, weakness, weight loss, and stomach pain for 2 months. The patient had been diagnosed with epilepsy 4 years previously and was being treated with sodium valproate and oxcarbazepine. On admission, laboratory studies showed elevated levels of aspartate aminotransferase (271 IU/L), alanine aminotransferase (224 IU/l), γ-glutamyltransferase (1668.9 IU/L), total bilirubin (66.4 μmol/L), and direct bilirubin (52.6 μmol/L).

Additional laboratory tests eliminated common causes of cholestasis such as bacterial/viral infection, autoimmune liver disease, Wilson disease, Alagille syndrome, or progressive familial intrahepatic cholestasis type 3. The results of laboratory investigations showed no improvement after 10 days of treatment with ursodeoxycholic acid and vitamins A, D, and K1. Enhanced magnetic resonance imaging demonstrated a tumor of 22 mm diameter in the duodenal lumen and dilatation of the common bile duct. Endoscopic retrograde cholangiopancreatography detected a tumor in the duodenal lumen.

Considering the clinical features, imaging manifestation, endoscopic findings, and pathologic characteristic, the patient was diagnosed with poorly differentiated adenocarcinoma. The patient underwent pancreaticoduodenectomy and chemotherapy. The patient recovered well. Elevated levels of tumor biomarkers or abnormal liver function tests have not occurred during the 2-year follow-up.

Source: Medicine: May 2019 - Volume 98 - Issue 22 - p e15708

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