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    Atypical primary Burkitt lymphoma of the tyroid gland: a pratical approach for differential diagnosis and management

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    Primary thyroid lymphomas are rare diseases that continue to produce diagnostic and therapeutic dilemmas. Among these, Diffuse Large B-Cell Lymphoma (DLBCL) represents the more common subtype while Burkitt lymphoma (BL) is unusual. Distinguishing between BL and DLBCL is critical as the two disease require different therapeutic management. Diagnostic accuracy is therefore essential to obtain patient safety. Here, we described the second case of Burkitt Lymphoma of the thyroid gland reported in the English literature, investigate the differential diagnosis and explore the diagnostic approach that might be used when neoplasia with morphological features intermediate between BL and DLBCL happens on pathologist’s practice. A 56-year-old women presented to our attention for the evaluation of a rapidly growing neck mass causing compressive symptoms. Ultrasound examination demonstrated two hypoechogenic nodules within a diffusely enlarged thyroid gland. Histological analysis showed cells resembling DLBCL, as well as starry sky pattern and immunohistochemical pattern suggestive of BL. The final diagnosis of BL was confirmed by FISH analysis that demonstrated c-myc-IgH rearrangement with t(8;14) translocation. This study demonstrates that no single parameter alone (such as morphology, genetics analysis or immunophenotyping) can be used as gold standard for the diagnosis of BL, but a combination of several diagnostic techniques is necessary for an optimal practical approach. Since treatment regimens for BL and DLBCL differ significantly, we believe that our study should be useful to suggest the correct diagnostic algorithm to be used when a case of BL, with unusual localization and ambiguous morphological features, is encountered in routine setting

    Resection therapy in the treatment of intrahepatic biliary lithiasis

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    The authors report a case of intrahepatic lithiasis in a patient already operated of cholecystectomy and without lithiasis of the common bile duct. The lithiasis was present in the left lateral bile duct, was multiple and trapped behind a very narrow stricture. The stones were associated with a marked dilatation of the involved biliary ducts, cholangitis, fibrosis and atrophy of surrounding hepatic parenchyma. It was performed a resection of the II and III hepatic segments and the patient recovered completely and is well and disease free after one year. The authors believe, also on the base of the data reported by others, that in the intrahepatic lithiasis with strictures of the bile intrahepatic ducts the hepatic resection is the treatment of choice, especially when the lithiasis is present in a sectorial or segmental bile duct, preventing any stone recurrence
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