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Hepatic adenoma

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https://www.readbyqxmd.com/read/28206941/spontaneous-hepatic-hemorrhage-a-single-institution-s-16-year-experience
#1
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
#2
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/28160246/hypogonadotropic-hypogonadism-in-males-with-glycogen-storage-disease-type-1
#3
Evelyn M Wong, Anna Lehman, Philip Acott, Jane Gillis, Daniel L Metzger, Sandra Sirrs
BACKGROUND: Glycogen storage disease type 1 is an autosomal recessive disorder with an incidence of 1 in 100,000. Long-term complications include chronic blood glucose lability, lactic academia, short stature, osteoporosis, delayed puberty, gout, progressive renal insufficiency, systemic or pulmonary hypertension, hepatic adenomas at risk for malignant transformation, anemia, vitamin D deficiency, hyperuricemic nephrocalcinosis, inflammatory bowel syndrome (type 1b), hypertriglyceridemia, and irregular menstrual cycles...
February 4, 2017: JIMD Reports
https://www.readbyqxmd.com/read/28127545/advanced-hepatic-fibrosis-in-fatty-liver-disease-linked-to-hyperplastic-colonic-polyp
#4
Mahmud Mahamid, Omar Abu-Elhija, Tarik Yassin, William Nseir
Aim. Our study aims to determine possible association between biopsy-proven nonalcoholic steatohepatitis (NASH) and hyperplastic polyps (HP) of the colon. Methods. A retrospective cohort observational study. All subjects underwent screening colonoscopy within two years. Data were extracted from the patient charts including demographic, anthropometric measurement, vital signs, underlying diseases, medical therapy, laboratory data, results of the liver biopsy with degree of fibrosis and necroinflammatory activity, the colonoscopy report, and the pathological report of the extracted polyp...
2017: Canadian Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28126185/hepatocellular-adenoma-imaging-review-of-the-various-molecular-subtypes
#5
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...
January 23, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28122404/clinico-pathological-correlation-of-hepatic-angiomyolipoma-a-series-of-23-resection-cases
#6
Dong Hwan Jung, Shin Hwang, Seung Mo Hong, Ki Hun Kim, Chul Soo Ahn, Deok Bog Moon, Abdulwahab A Alshahrani, Sung Gyu Lee
BACKGROUND: Angiomyolipomas are rare neoplasms of mesenchymal origin and are derived from perivascular epithelioid cells. They usually develop in the kidney and rarely in the liver. Due to their rarity, most hepatic angiomyolipomas have been misinterpreted as hepatocellular carcinoma (HCC) or other hypervascular liver tumours on imaging studies. We aimed to assess the clinico-pathological correlation of hepatic angiomyolipoma. METHODS: We identified 23 patients with hepatic angiomyolipoma through an institutional database search...
January 25, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28098904/identification-of-biomarkers-of-intrahepatic-cholangiocarcinoma-via-integrated-analysis-of-mrna-and-mirna-microarray-data
#7
Yaqing Chen, Dan Liu, Pengfei Liu, Yajing Chen, Huiling Yu, Quan Zhang
The present study aimed to identify potential therapeutic targets of intrahepatic cholangiocarcinoma (ICC) via integrated analysis of gene (transcript version) and microRNA (miRNA/miR) expression. The miRNA microarray dataset GSE32957 contained miRNA expression data from 16 ICC, 7 mixed type of combined hepatocellular‑cholangiocarcinoma (CHC), 2 hepatic adenoma, 3 focal nodular hyperplasia (FNH) and 5 healthy liver tissue samples, and 2 cholangiocarcinoma cell lines. In addition, the mRNA microarray dataset GSE32879 contained mRNA expression data from 16 ICC, 7 CHC, 2 hepatic adenoma, 5 FNH and 7 healthy liver tissue samples...
January 16, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28096054/glycogen-storage-disease-type-ia-mice-with-less-than-2-of-normal-hepatic-glucose-6-phosphatase-%C3%AE-activity-restored-are-at-risk-of-developing-hepatic-tumors
#8
Goo-Young Kim, Young Mok Lee, Joon Hyun Kwon, Jun-Ho Cho, Chi-Jiunn Pan, Matthew F Starost, Brian C Mansfield, Janice Y Chou
Glycogen storage disease type Ia (GSD-Ia), characterized by impaired glucose homeostasis and chronic risk of hepatocellular adenoma (HCA) and carcinoma (HCC), is caused by a deficiency in glucose-6-phosphatase-α (G6Pase-α or G6PC). We have previously shown that G6pc-/- mice receiving gene transfer mediated by rAAV-G6PC, a recombinant adeno-associated virus (rAAV) vector expressing G6Pase-α, and expressing 3-63% of normal hepatic G6Pase-α activity maintain glucose homeostasis and do not develop HCA/HCC. However, the threshold of hepatic G6Pase-α activity required to prevent tumor formation remained unknown...
January 10, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28058027/complete-spontaneous-regression-of-giant-focal-nodular-hyperplasia-of-the-liver-magnetic-resonance-imaging-evaluation-with-hepatobiliary-contrast-media
#9
Giuseppe Mamone, Settimo Caruso, Kelvin Cortis, Roberto Miraglia
Focal nodular hyperplasia (FNH) of the liver is a benign lesion occurring in 0.6%-3% of the general population that probably reflects a local hyperplastic response of hepatocytes to a vascular abnormality. Most lesions are diagnosed incidentally and the natural history of the disease remains largely unknown. It has been shown that most FNH remain stable, or even regress, over a long follow-up period. We present a patient with FNH of the liver who was followed up for 7 years. A 26-year-old woman with a 5-year history of oral contraceptive use was referred to our hospital in February 2005 for further examination of a liver tumour...
December 21, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28049244/false-positive-diagnosis-of-hepatocellular-carcinoma-in-liver-resection-patients
#10
Hongeun Lee, Jeong Hee Yoon, Hyeyoung Kim, Nam Joon Yi, Suk Kyun Hong, Kyung Chul Yoon, Hyo Sin Kim, Sung Woo Ahn, Jin Young Choi, Youngrok Choi, Hae Won Lee, Ju Yeon Yi, Kyoung Bun Lee, Kwang Woong Lee, Kyung Suk Suh
The diagnosis of hepatocellular carcinoma (HCC) is based on imaging studies particularly in high-risk patients without histologic confirmation. This study evaluated the prevalence and characteristics of false-positively diagnosed HCC in a liver resection cohort for HCC. A retrospective review was performed of 837 liver resection cases for clinically diagnosed HCC between 2005 and 2010 at our institute. High-risk patients with tumors > 1 cm with one or two image findings consistent with HCC and tumors < 1 cm with two or more image findings consistent with HCC with persistently increased serum alpha-fetoprotein (AFP) levels above the normal range with underlying inhibited hepatitis activity underwent liver resection...
February 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28024920/hepatic-adenomas-in-adolescents-and-young-women-with-endometriosis-treated-with-norethindrone-acetate
#11
P C Brady, S A Missmer, M R Laufer
BACKGROUND: Endometriosis-ectopic implantation of endometrial-like tissue-affects 10% of female adolescents and adults. First-line treatment includes progesterone-only (such as norethindrone acetate, NET-A) or combined estrogen/progestin oral contraceptive pills. Estrogen-containing contraceptives confer increased risk of hepatic adenomas, while the association with NET-A is very rarely reported. CASE: Three adolescents with Stage I-II endometriosis managed with NET-A (up to 15 mg/day for 28-78 months) were diagnosed with hepatic adenomas at ages 17-22 years...
December 23, 2016: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/27988517/malignant-transformation-of-hepatocellular-adenoma
#12
Wing Yee Kwok, Satoru Hagiwara, Naoshi Nishida, Tomohiro Watanabe, Toshiharu Sakurai, Hiroshi Ida, Yasunori Minami, Masahiro Takita, Tomohiro Minami, Mina Iwanishi, Hirokazu Chishina, Masashi Kono, Kazuomi Ueshima, Yoriaki Komeda, Tadaaki Arizumi, Eisuke Enoki, Takuya Nakai, Tsutomu Kumabe, Osamu Nakashima, Fukuo Kondo, Masatoshi Kudo
The patient was a 20-year-old male in whom a hepatic hypervascular mass accompanied by intratumoral hemorrhage was detected on examination for epigastric pain. Based on the enlargement of the mass and diagnostic imaging, hepatocellular adenoma (HCA) was suspected and hepatectomy was performed. The lesion was diagnosed as malignant transformation of β-catenin-activated HCA. There are only few reports of cases with malignant transformation of HCA in Japan; it is necessary to accumulate cases to investigate it...
December 17, 2016: Oncology
https://www.readbyqxmd.com/read/27986170/imaging-of-hepatic-focal-nodular-hyperplasia-pictorial-review-and-diagnostic-strategy
#13
Marco Dioguardi Burgio, Maxime Ronot, Giuseppe Salvaggio, Valérie Vilgrain, Giuseppe Brancatelli
Focal nodular hyperplasia (FNH) is the second most common benign solid liver lesion after hemangioma, occurring more frequently in young women. The prime differential diagnoses include hepatocellular adenoma, hepatocellular carcinoma, and hypervascular metastasis. As the management of FNH is typically conservative, imaging plays a key role in diagnostic pathway, and misdiagnosis may have a major clinical effect. In this article, we describe the ultrasound, computed tomography, and magnetic resonance imaging features of FNH, underlining the importance of typical radiological features that allow a specific noninvasive diagnosis...
December 2016: Seminars in Ultrasound, CT, and MR
https://www.readbyqxmd.com/read/27956811/spontaneous-rupture-of-hepatic-metastasis-from-a-thymoma-a-case-report
#14
Ho Jae Kim, Yong Eun Park, Min Seo Ki, Se Ju Lee, Seung Hun Beom, Dai Hoon Han, Young Nyun Park, Jun Yong Park
Bleeding resulting from spontaneous rupture of the liver is an infrequent but potentially life threatening complication that may be associated with an underlying liver disease. A hepatocellular carcinoma or hepatic adenoma is frequently reported is such cases. However, hemoperitoneum resulting from a hepatic metastatic thymoma is extremely rare. Here, we present a case of a 62-year-old man with hypovolemic shock induced by ruptured hepatic metastasis from a thymoma. At the first hospital admission, the patient had a 45-mm anterior mediastinal mass that was eventually diagnosed as a type A thymoma...
November 28, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27931050/improved-detection-of-right-colon-adenomas-with-additional-retroflexion-following-two-forward-view-examinations-a-prospective-study
#15
Hyun Seok Lee, Seong Woo Jeon, Hye Yoon Park, Seong Jae Yeo
Background and study aims Colonoscopy in the right colon is less effective than in the left colon in screening for colorectal cancer. The aim of this study was to prospectively evaluate the diagnostic value of retroflexion in the right colon. Patients and methods A total of 1020 patients undergoing screening or surveillance colonoscopy were enrolled. After the first cecal intubation, the scope was withdrawn from the cecum to the hepatic flexure in the standard forward view and all identified polyps were resected...
December 8, 2016: Endoscopy
https://www.readbyqxmd.com/read/27903597/impact-of-organic-cation-transporters-oct-slc22a-on-differential-diagnosis-of-intrahepatic-lesions
#16
Michele Visentin, Belle V van Rosmalen, Christian Hiller, Matthanja Bieze, Lia Hofstetter, Joanne Verheij, Gerd A Kullak-Ublick, Hermann Koepsell, Saffire Sks Phoa, Ikumi Tamai, Roelof J Bennink, Thomas M van Gulik, Bruno Stieger
Positron emission tomography (PET) using the cationic compound [(18)F]fluoromethylcholine (FCH) enhances the sensitivity for non-invasive classification of hepatic tumours due to peculiar patterns of accumulation. The underlying transporters are not known. We aim to identify the carriers mediating uptake of FCH in liver and to correlate their expression pattern with PET intrahepatic signal distribution to clarify the role of membrane transporters in FCH accumulation. FCH transport was characterized in cells overexpressing organic cation transporters (OCTs)...
November 30, 2016: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/27900094/malignant-transformation-of-hepatocellular-adenoma-with-bone-marrow-metaplasia-arising-in-glycogen-storage-disease-type-i-a-case-report
#17
Tomohiro Iguchi, Motoyuki Yamagata, Takashi Sonoda, Kimihiko Yanagita, Tetsuhiro Fukahori, Eiji Tsujita, Shinichi Aishima, Yoshinao Oda, Yoshihiko Maehara
Malignant transformation of hepatocellular adenoma (HA) is relatively rare and has been reported to be associated with dysregulation of the β-catenin pathway. The presence of bone marrow metaplasia in HA is an uncommon histological characteristic. The current report presents the case of a 46-year-old woman with glycogen storage disease type I (von Gierke's disease) who underwent resection of hepatocellular carcinoma (HCC) arising in a HA with associated bone marrow metaplasia producing three series of hematopoietic cells...
November 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/27859748/use-of-serum-micrornas-as-biomarker-for-hepatobiliary-diseases-in-dogs
#18
K Dirksen, T Verzijl, G C Grinwis, R P Favier, L C Penning, I A Burgener, L J van der Laan, H Fieten, B Spee
BACKGROUND: Current biochemical indicators cannot discriminate between parenchymal, biliary, vascular, and neoplastic hepatobiliary diseases. MicroRNAs are promising new biomarkers for hepatobiliary disease in humans and dogs. OBJECTIVE: To measure serum concentrations of an established group of microRNAs in dogs and to investigate their concentrations in various types of hepatobiliary diseases. ANIMALS: Forty-six client-owned dogs with an established diagnosis of hepatobiliary disease and stored serum samples and eleven client-owned healthy control Labrador Retrievers...
November 2016: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/27853109/a-crucial-role-of-constitutive-androstane-receptor-car-in-liver-tumor-development-by-imazalil-in-mice
#19
Kei Tamura, Kaoru Inoue, Miwa Takahashi, Saori Matsuo, Yukio Kodama, Midori Yoshida
To clarify the major pathway of liver tumor development induced by imazalil (IMA), an imidazole fungicide, male constitutive androstane receptor (CAR)-knockout (CARKO) and wild-type (WT) mice were treated with IMA at 500 ppm in the diet up to 27 weeks after initiation by diethylnitrosamine. After 27 weeks of treatment, neither altered foci nor adenomas were significantly increased in CARKO mice, whereas both eosinophilic altered foci and adenomas were increased in WT mice. After 4 or 13 weeks of IMA treatment, liver hypertrophy was observed at the tumor-inducible dose without differences among genotypes or durations...
2016: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/27822585/laparoscopic-hepatectomy-for-segments-i-iv-v-and-viii
#20
Hongyu Li, Yonggang Wei, Bo Li, Bing Peng
BACKGROUND: According to difficulty scoring system [1], laparoscopic hepatectomy (LH) for caudate lobe and middle segments should be considered as the most difficult case. We here report the first case of LH for segments I, IV, V and VIII in China. METHODS: The patient was a 31-year-old man without hepatitis history. Preoperative MRI revealed a 5.0 cm × 5.2 cm mass located in the paracaval portion. Preoperative liver function tests and tumor markers were normal...
November 7, 2016: Surgical Endoscopy
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