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Usually, fatty hepatic infiltration is diffuse and homogeneous. However, in some cases, it can be localized simulating benign or malignant tumors. We present a case of a 61-year-old female patient with family history of malignancy: sister with lung cancer, an other sister with colon cancer and a mother with breast cancer; who presented with multiple hepatic nodules at the ultrasonography images. CT scan and MRI were not sufficient to pose a certain diagnosis which was later confirmed by liver biopsy.

Castleman's disease is a rare disease characterized by benign lymphoepithelial proliferation. There are two forms: unicentric and multicentric Castleman's disease. Mediastinal location is the most frequent. Intra-abdominal Castleman's disease is a rare presentation. We report a case of 65-year-old female who presented with epigastric pain. Investigations revealed a retroperitoneal mass which was surgically resected. Histopathological examination showed hyaline-vascular type Castleman's disease. In conclusion, Castelman´s disease is a diagnostic challenge and it must be included in the differential diagnosis of retroperitoneal tumors.

We report the case of a bile duct traumatic neuroma in a 76-year-old man who presented with obstructive jaundice one year after cholecystectomy. Despite the radiological examinations, the preoperative diagnosis was difficult. The patient underwent a biliary resection with choledoco-duodenal anastomosis

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