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Hepatocellular adenoma

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https://www.readbyqxmd.com/read/28423726/transarterial-embolization-for-hepatocellular-adenomas-a-literature-review
#1
Bao-Hong Yuan, Ru-Hong Li, Bhavesh-K Ahir, Wei-Ping Yuan, Jian-Hong Gu, Tian Yang, Liang Ma
Since the utilization of transarterial embolization (TAE) for hepatocellular carcinoma, TAE is used to treat bleeding hepatocellular adenomas (HCAs) and occasionally, in symptomatic HCAs with large tumors. However, the role of TAE in an elective setting is uncertain. The present review aims to evaluate the benefits and harms of TAE in bleeding and non-bleeding HCAs, especially in an elective setting. A systematic review of studies published from January 2000 to December 2016 in the EMBASE, PubMed and Scopus databases was performed...
March 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423321/hepatocellular-carcinomas-originate-predominantly-from-hepatocytes-and-benign-lesions-from-hepatic-progenitor-cells
#2
Krishna S Tummala, Marta Brandt, Ana Teijeiro, Osvaldo Graña, Robert F Schwabe, Cristian Perna, Nabil Djouder
Hepatocellular carcinoma (HCC) is an aggressive primary liver cancer. However, its origin remains a debated question. Using human data and various hepatocarcinogenesis mouse models, we show that, in early stages, transformed hepatocytes, independent of their proliferation status, activate hepatic progenitor cell (HPC) expansion. Genetic lineage tracing of HPCs and hepatocytes reveals that, in all models, HCC originates from hepatocytes. However, whereas in various models tumors do not emanate from HPCs, tracking of progenitors in a model mimicking human hepatocarcinogenesis indicates that HPCs can generate benign lesions (regenerative nodules and adenomas) and aggressive HCCs...
April 18, 2017: Cell Reports
https://www.readbyqxmd.com/read/28382841/hepatocellular-carcinoma-in-fanconi-bickel-syndrome
#3
Jennifer Pogoriler, Allison F O'Neill, Stephan D Voss, Robert C Shamberger, Antonio R Perez-Atayde
Fanconi-Bickel syndrome is a rare autosomal recessive disorder due to mutations in the facilitative glucose transporter 2 ( GLUT2 or SLC2A2) gene resulting in excessive glycogen storage predominantly in the liver and kidney. Previous case reports of this condition have described liver biopsies with glycogen storage and variable steatosis and/or fibrosis. Unlike in other types of glycogen storage disease, hepatocellular adenomas and carcinomas have not been described to date in this syndrome. A 6-year-old boy with consanguineous parents had short stature, poorly controlled rickets, hepatosplenomegaly, and renal tubular dysfunction clinically consistent with Fanconi-Bickel Syndrome...
January 1, 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28379599/hepatotoxicity-associated-with-illicit-use-of-anabolic-androgenic-steroids-in-doping
#4
R Solimini, M C Rotolo, L Mastrobattista, C Mortali, A Minutillo, S Pichini, R Pacifici, I Palmi
Anabolic Androgenic Steroids (AAS) abuse and misuse is nowadays a harmful habit involving both professional or recreational athletes, as well as general population. AAS are also frequently present in over-the-counter dietary supplements without being declared in the list of ingredients, leaving consumers unaware of the risks of adverse effects. Indeed, health risks of AAS consumption in pharmaceutical preparations or dietary complements seem still underestimated and under-reported. The variety of complications due to AAS misuse involves cardiovascular, central nervous, musculoskeletal and genitourinary systems of both males and females; psychiatric and behavioral effects, damages to metabolic system, skin and mainly liver...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28370258/polyphenic-trait-promotes-liver-cancer-in-a-model-of-epigenetic-instability
#5
Marco Cassano, Sandra Offner, Evarist Planet, Alessandra Piersigilli, Suk Min Jang, Hugues Henry, Markus B Geuking, Catherine Mooser, Kathy D McCoy, Andrew J Macpherson, Didier Trono
Hepatocellular carcinoma (HCC) represents the fifth most common form of cancer worldwide and carries a high mortality rate due to lack of effective treatment. Males are eight times more likely to develop HCC than females, an effect largely driven by sex hormones, albeit through still poorly understood mechanisms. We previously identified TRIM28 (tripartite protein 28), a scaffold protein capable of recruiting a number of chromatin modifiers, as a crucial mediator of sexual dimorphism in the liver. Trim28(hep-/-) mice display sex-specific transcriptional deregulation of a wide range of bile and steroid metabolism genes and development of liver adenomas in males...
March 30, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28359636/hepatic-perivascular-epithelioid-tumor-pecoma-a-case-report
#6
Hélder Cardoso, Marco Silva, Filipe Vilas-Boas, Rui Cunha, Joanne Lopes, José Costa Maia, Guilherme Macedo
A 37-year-old female had liver nodules found in an abdominal ultrasound scan. The radiological features were suggestive of hepatocellular adenomas, although there were some atypical findings. Two years later, one of the nodules showed dimensional progression and intralesional hemorrhage. The patient underwent a left hepatectomy and the postoperative course was uneventful. The histological exam and the immunohistochemistry were consistent with the diagnosis of PEComa. The PEComa is a mesenchymal tumor rarely described in the liver...
March 27, 2017: Clinics and Research in Hepatology and Gastroenterology
https://www.readbyqxmd.com/read/28334808/downregulation-of-pathways-implicated-in-liver-inflammation-and-tumorigenesis-of-glycogen-storage-disease-type-ia-mice-receiving-gene-therapy
#7
Goo-Young Kim, Joon Hyun Kwon, Jun-Ho Cho, Lisa Zhang, Brian C Mansfield, Janice Y Chou
Glycogen storage disease type Ia (GSD-Ia) is characterized by impaired glucose homeostasis and long-term risks of hepatocellular adenoma (HCA) and carcinoma (HCC). We have shown that the non-tumor-bearing (NT), recombinant adeno-associated virus (rAAV) vector-treated GSD-Ia mice (AAV-NT mice) expressing a wide range (0.9-63%) of normal hepatic glucose-6-phosphatase-α activity maintain glucose homeostasis and display physiologic features mimicking animals living under calorie restriction (CR). We now show that in AAV-NT mice, the signaling pathways of the CR mediators, AMP-activated protein kinase (AMPK) and sirtuin-1 are activated...
March 13, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28323122/exome-analysis-of-the-evolutionary-path-of-hepatocellular-adenoma-carcinoma-transition-vascular-invasion-and-brain-dissemination
#8
Sílvia Vilarinho, Zeynep Erson-Omay, Kisha Mitchell-Richards, Charles Cha, Carol Nelson-Williams, Akdes Serin Harmancı, Katsuhito Yasuno, Murat Günel, Tamar H Taddei
Hepatocellular adenoma (HCA) is a rare benign liver tumor, predominantly seen in young women. Its major complications are malignant transformation, spontaneous hemorrhage, and rupture. We describe a case of a young female with no underlying liver disease who presented with acute abdominal pain and was found to have a 17 cm heterogeneous mass in the left lobe of the liver. She underwent left hepatectomy and pathology revealed a 14 cm moderately differentiated hepatocellular carcinoma (HCC) arising in a shell of a HCA...
March 17, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28321157/hsa-mir-183-is-frequently-methylated-and-related-to-poor-survival-in-human-hepatocellular-carcinoma
#9
Sumadi Lukman Anwar, Till Krech, Britta Hasemeier, Elisa Schipper, Nora Schweitzer, Arndt Vogel, Hans Kreipe, Reena Buurman, Britta Skawran, Ulrich Lehmann
AIM: To screen clinically relevant microRNAs (miRNAs) silenced by DNA methylation in human hepatocellular carcinoma (HCC). METHODS: Knockdown of DNA methyltransferases (DNMTs) using siRNAs and miRNA profiling in HCC cell lines were performed to identify DNA hypermethylation-mediated miRNA downregulation. Confirmation using individual quantitative real-time PCR (qRT-PCR) assays was then performed followed by DNA methylation quantification at the promoter of the miRNA genes...
March 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28318052/systematic-review-benefits-and-harms-of-transarterial-embolisation-for-treating-hepatocellular-adenoma
#10
REVIEW
C Zhao, S-L Pei, A Cucchetti, T-J Tong, Y-L Ma, J-H Zhong, L-Q Li
BACKGROUND: Transarterial embolisation (TAE) is a standard treatment for bleeding hepatocellular adenoma (HCA) and, occasionally, symptomatic HCA involving large tumours. Whether TAE is similarly safe and effective as an elective treatment for bleeding and nonbleeding HCA remains unclear. AIM: To investigate the benefits and harms of TAE for bleeding and nonbleeding HCA. METHODS: PubMed, Scopus, Embase and Cochrane Library databases were systematically searched for studies that examined post-TAE tumour reduction in patients with bleeding or nonbleeding HCA and that were published between January 2000 and January 2017...
March 20, 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28317318/men-with-biopsy-confirmed-hepatocellular-adenoma-have-a-high-risk-of-progression-to-hcc-a-nationwide-population-based-study
#11
Lars Bossen, Henning Grønbaek, Peter Lykke Eriksen, Peter Jepsen
BACKGROUND: Hepatocellular adenoma is a benign liver tumour that may transform to hepatocellular carcinoma (HCC). We used data from Danish nationwide healthcare registries to investigate the incidence and prognosis of hepatocellular adenoma. METHODS: We included all patients with a hospital discharge diagnosis for benign liver tumour (ICD-10: D13.4) in 1997-2012 and a liver biopsy confirming the hepatocellular adenoma diagnosis. Follow-up began one year after adenoma diagnosis, to minimize the possibility that the tumour was a misdiagnosed HCC...
March 19, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28295483/regression-of-hepatocellular-adenomas-and-systemic-inflammatory-syndrome-after-cessation-of-estrogen-therapy
#12
Marie Sinclair, Anthony Schelleman, Daljean Sandhu, Peter W Angus
We report a case of dramatic systemic inflammatory symptoms and biochemical signs of inflammatory related to multiple hepatic adenomas that completely resolved after cessation of the oral contraceptive pill and associated adenoma regression. This represents the first case of such dramatic symptoms to resolve after estrogen withdrawal alone. This article is protected by copyright. All rights reserved.
March 13, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28281121/short-term-outcomes-of-laparoscopic-vs-open-liver-resection-for-hepatocellular-adenoma-a-multicenter-propensity-score-adjustment-analysis-by-the-afc-hca-2013-study-group
#13
Filippo Landi, Nicola De' Angelis, Olivier Scatton, Xavier Vidal, Ahmet Ayav, Fabrice Muscari, Safi Dokmak, Guido Torzilli, Nicolas Demartines, Olivier Soubrane, Daniel Cherqui, Jean Hardwigsen, Alexis Laurent
BACKGROUND: Patients with hepatocellular adenomas are, in selected cases, candidates for liver resection, which can be approached via laparoscopy or laparotomy. The present study aimed to investigate the effects of the surgical approach on the postoperative morbidities of both minor and major liver resections. METHODS: In this multi-institutional study, all patients who underwent open or laparoscopic hepatectomies for hepatocellular adenomas between 1989 and 2013 in 27 European centers were retrospectively reviewed...
March 9, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28280721/tissue-biomarkers-in-hepatocellular-tumors-which-when-and-how
#14
REVIEW
Luca Di Tommaso, Massimo Roncalli
Few tissue markers are currently available to pathologists in the study of hepatocellular tumors. These markers should be used carefully taking into consideration not only morphology but also, and sometimes even more important, the clinical setting where the lesion to be diagnosed had developed. Glypican-3, heat shock protein 70, and glutamine synthetase (GS) are markers currently used, as a single panel, to discriminate the nature of a <2 cm hepatocellular lesion lacking radiological features of hepatocellular carcinoma (HCC) detected in a cirrhotic patient under surveillance...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28243835/a-lifetime-aging-study-of-human-cd19-transgenic-mice
#15
W Iverson, E Straley, S Oldham, J Rojko, S Turman, Y Wang
Mice transgenic for human CD19 have been an important animal model to help understand the role of this molecule in B lymphocyte function. Previously, no lifetime studies had been performed to understand the effects of this CD19 over expression on the survival or spontaneous pathology within the C57BL/6J background strain. We conducted a lifetime study with interim sacrifices to understand the transgenic effects on clinical signs, body weight, survival, and spontaneous pathology. Blood and urine samples were collected from select animals at various time points during the study for measurement of clinical pathology parameters and groups of animals were euthanized and examined at predetermined intervals...
February 27, 2017: Transgenic Research
https://www.readbyqxmd.com/read/28218887/pathology-of-serially-sacrificed-female-b6c3f1-mice-chronically-exposed-to-very-low-dose-rate-gamma-rays
#16
I B Tanaka, J Komura, S Tanaka
We have previously reported on life span shortening as well as increased incidence rates in several neoplasms in B6C3F1 mice that were continuously exposed to 21 mGy/day of gamma rays for 400 days. To clarify whether the life shortening was due to early appearance of neoplasms (shortened latency) or increased promotion/progression, 8-week-old female specific-pathogen-free B6C3F1 mice were gamma-ray irradiated at a low dose rate of 20 mGy/day for 400 days. At 100 days postirradiation, 60-90 mice were sacrificed, and thereafter every 100 days alongside the age-matched nonirradiated controls, for 700 days...
February 20, 2017: Radiation Research
https://www.readbyqxmd.com/read/28206941/spontaneous-hepatic-hemorrhage-a-single-institution-s-16-year-experience
#17
Armando Rosales, Florencia G Que
Spontaneous hemorrhage from hepatic tumors is an uncommon but serious complication. Recently, interventional radiologic (IR) techniques are being used increasingly in the management of these patients. We report our 16-year experience in managing spontaneous hemorrhage from liver tumors. Twenty-six consecutive patients were diagnosed with spontaneous liver hemorrhage between 1995 and 2011. Initial management was operative in eight, IR in six, and supportive in 12 patients. Of those managed operatively, five were segmentectomies; one hemihepatectomy; one wedge resection; and one packing who later died from coagulopathy...
November 1, 2016: American Surgeon
https://www.readbyqxmd.com/read/28190927/hepatocellular-adenoma-with-severe-fatty-change-in-a-male-spontaneously-diabetic-torii-rat
#18
Eriko Taniai-Riya, Katsuhiro Miyajima, Kochi Kakimoto, Takeshi Ohta, Yuzo Yasui, Yusuke Kemmochi, Akiko Anagawa-Nakamura, Kaoru Toyoda, Akemi Takahashi, Toshiyuki Shoda
The Spontaneously Diabetic Torii (SDT) rat is a rat model of nonobese type 2 diabetes mellitus, and hepatocellular adenomas have not been reported in this model. We report a hepatocellular adenoma with severe fatty change in a male 42-week-old SDT rat fed a high-fat diet. At necropsy, the animal had a whitish nodular mass of approximately 2 cm in diameter in the right medial lobe. Histologically, the mass was well demarcated from the surrounding tissues, slightly compressing the adjacent hepatic parenchyma and widely compartmented by fibrous connective tissues...
January 2017: Journal of Toxicologic Pathology
https://www.readbyqxmd.com/read/28131467/hepatocellular-adenoma-classification-variants-and-clinical-relevance
#19
Paulette Bioulac-Sage, Christine Sempoux, Charles Balabaud
Hepatocellular adenomas are benign tumors with two major complications, bleeding and malignant transformation. The overall narrative of hepatocellular adenoma has evolved over time. Solitary or multiple hepatocellular developing in the normal liver of women of child bearing age exposed to oral contraceptives still represents the most frequent clinical context, however, new associations are being recognized. Hepatocellular adenoma is discovered on a background of liver diseases such as non-alcoholic steatohepatitis, vascular diseases, and alcoholic cirrhosis...
December 20, 2016: Seminars in Diagnostic Pathology
https://www.readbyqxmd.com/read/28126185/hepatocellular-adenoma-imaging-review-of-the-various-molecular-subtypes
#20
REVIEW
H Dharmana, S Saravana-Bawan, S Girgis, G Low
This educational review focuses on the epidemiology and radiological evaluation of the various subtypes of hepatic adenomas (HCAs). It includes detailed discussion of the imaging appearances of each HCA subtype and the clinical relevance of the new classification system. Each HCA subtype has a unique biological behaviour. Imaging plays a central role in diagnosis, subtype characterisation, identification of complications, and follow-up assessment. Management of patients should vary according to the specific HCA subtype...
April 2017: Clinical Radiology
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