Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0019204 (hepatocellular carcinoma)
 71,386 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Primary hepatic lymphoma (PHL) is a lymphoma presenting with predominant liver involvement at presentation in the early stage of lymphoma. It accounts to less than 0.4% of all extranodal lymphomas and usually occurs in immunocompromised states. It is more commonly of the non-Hodgkin's lymphoma of B cell variety. Hodgkin's lymphoma presenting as PHL has not been reported before. We report a 55-year-old HIV positive male presenting with an SOL in left lateral segments of liver having typical imaging characteristics of fibrolamellar HCC with normal serum AFP levels. Surgical resection was done and the histopathological analysis and immunohistochemistry of the specimen revealed it to be a Hodgkin's lymphoma. The patient was started on chemotherapy (ABVD regimen) along with highly active antiretroviral therapy (HAART). Primary lymphoma of liver can mimic HCC on imaging. Hence, in the background of an immunocompromised state like HIV with normal serum AFP levels, PHL should be suspected and liver biopsy can clinch the diagnosis.
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PMID:Primary Hodgkin's lymphoma of liver in HIV-a case report and review of literature. 3026 17

We present a case with space-occupying lesion in cirrhotic liver, diagnosed as hepatocellular carcinoma on immunohistochemistry, who underwent F-18 fluorodeoxyglucose positron emission tomography/computed tomography (FDG PET/CT) and showed FDG-avid lesions in liver as well as in the prostate. These findings guided in establishing the diagnosis of prostate cancer, metastasizing to liver by performing additional immunohistochemical markers. PET/CT was also useful in identifying coexisting non-Hodgkin's lymphoma.
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PMID:A Rare Case of Liver Metastasis from Prostate Cancer Mimicking Hepatocellular Carcinoma on Immunohistochemistry: Role of F-18 Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography in Diagnosis. 3071 83

Primary hepatic lymphoma (PHL) is a rare clinical entity comprising 0.016% of all cases of non-Hodgkin's lymphoma and 0.4% of extranodal non-Hodgkin's lymphoma and can be missed easily. Here, we report a case of PHL treated with primary hepatic resection followed by an Rituximab Cyclophosphamide Doxorubicin Vincristine Prednisone (R-CHOP) chemotherapy regimen, diagnosed after postoperative biopsy report. The patient presented with complaints of pain abdomen, vomiting, anorexia, and weight loss. She had hepatomegaly and no other significant finding. Blood investigations were unremarkable. Biopsy or fine needle aspiration cytology (FNAC) was not taken before surgery. Contrast-enhanced computed tomography of the abdomen demonstrated well-defined solid mass with central hypodense fluid attenuating area in the liver with a thin pseudocapsule. The differential diagnoses considered were secondary to the liver, hepatocellular carcinoma, and hemangioma. Left hepatectomy with the removal of the middle hepatic vein was performed. The postoperative biopsy was reported as diffuse large B cell lymphoma of the liver.
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PMID:Primary hepatic lymphoma: A rare case report. 3127 45

Hepatitis C virus (HCV) is a major public health problem. HCV is a hepatotropic and lymphotropic virus that leads to hepatocellular carcinoma (HCC) and lymphoproliferative disorders such as cryoglobulinemic vasculitis (CV) and non-Hodgkin's lymphoma (NHL). The molecular mechanisms by which HCV induces these diseases are not fully understood. MicroRNAs (miRNAs) are small non-coding molecules that negatively regulate post-transcriptional gene expression by decreasing their target gene expression. We will attempt to summarize the current knowledge on the role of miRNAs in the HCV life cycle, HCV-related HCC, and lymphoproliferative disorders, focusing on both the functional effects of their deregulation as well as on their putative role as biomarkers, based on association analyses. We will also provide original new data regarding the miR 17-92 cluster in chronically infected HCV patients with and without lymphoproliferative disorders who underwent antiviral therapy. All of the cluster members were significantly upregulated in CV patients compared to patients without CV and significantly decreased in those who achieved vasculitis clinical remission after viral eradication. To conclude, miRNAs play an important role in HCV infection and related oncogenic processes, but their molecular pathways are not completely clear. In some cases, they may be potential therapeutic targets or non-invasive biomarkers of tumor progression.
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PMID:The Relevance of MicroRNAs in the Pathogenesis and Prognosis of HCV-Disease: The Emergent Role of miR-17-92 in Cryoglobulinemic Vasculitis. 3326 Apr 7


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