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focal nodular hyperplasia

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https://www.readbyqxmd.com/read/29770584/pure-laparoscopic-right-hemihepatectomy-using-the-caudodorsal-side-approach-with-videos
#1
Koki Maeda, Goro Honda, Masanao Kurata, Yuki Homma, Manami Doi, Jun Yamamoto, Yusuke Ome
BACKGROUND: In our process of standardizing laparoscopic right hemihepatectomy (Lap-RH), we found several advantages of the laparoscopic caudate lobe first approach by utilizing a unique laparoscopic caudodorsal view. METHODS: Between April 2012 and October 2017, 21 patients underwent pure Lap-RH at our hospital. The mean patient age was 62 years (range, 36-75 years), and there were more male than female patients (66.7%). Of 21 patients, 11 had hepatocellular carcinoma, 8 had metastatic tumor, and the other 2 had focal nodular hyperplasia and refractory liver abscess...
May 17, 2018: Journal of Hepato-biliary-pancreatic Sciences
https://www.readbyqxmd.com/read/29740826/can-point-shear-wave-elastography-differentiate-focal-nodular-hyperplasia-from-hepatocellular-adenoma
#2
Pavel Taimr, Anne Julia Klompenhouwer, Maarten G J Thomeer, Bettina E Hansen, Jan N M Ijzermans, Robert A de Man, Robert J de Knegt
PURPOSE: Focal nodular hyperplasia (FNH) and hepatocellular adenoma (HCA) are liver tumors that require different management. We assessed the potential of point shear wave elastography (pSWE) to differentiate FNH from HCA and the interobserver and intraobserver reliability of pSWE in the examination of these lesions and of native liver tissue (NLT). METHODS: The study included 88 patients (65 FNH, 23 HCA). pSWE was performed by two experienced liver sonographers (observers 1 [O1] and 2 [O2]) and acquired within the lesion of interest and NLT...
May 8, 2018: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/29731273/cranial-focal-nodular-haematopoietic-hyperplasia-a-case-report-and-literature-review
#3
Kamal Makram Yakoub, Athanasios Zisakis, Ismail Ughratdar
Focal Nodular Haematopoietic Hyperplasia (FNHH) is an uncommon, benign, osteolytic lesion and so far, has not been reported cranially. Here, we report the first cranial case of a patient with right frontal bone FNHH and describe the clinical history, management and follow up with review of the literature of this rare pathology.
May 3, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29714463/a-survey-on-rectal-bleeding-in-children-a-report-from-iran
#4
Seyed Mohsen Dehghani, Iraj Shahramian, Maryam Ataollahi, Ali Bazı, Nosaibe Seirfar, Mojtaba Delaramnasab, Alireza Sargazi, Mahsa Shariatrazavi
Background/aim: Studies on the epidemiology of rectal bleeding in children are limited in Iran. Our aim was to assess etiologies of rectal bleeding in children in Iran. Materials and methods: We enrolled 730 children with rectal bleeding. All the patients underwent colonoscopy, and 457 were further evaluated with histopathology. Results: According to colonoscopy and histopathology, respectively, inflammatory bowel disease (IBD) (29.4%, 15.8%), nodular hyperplasia (NH) (24.9%, 10%), and juvenile polyposis (JP) (12...
April 30, 2018: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/29708786/differentiation-between-hepatocellular-carcinoma-showing-hyperintensity-on-the-hepatobiliary-phase-of-gadoxetic-acid-enhanced-mri-and-focal-nodular-hyperplasia-by-ct-and-mri
#5
Azusa Kitao, Osamu Matsui, Norihide Yoneda, Ryuichi Kita, Kazuto Kozaka, Satoshi Kobayashi, Toshifumi Gabata
OBJECTIVE: The purpose of this study is to identify points useful in the imaging differentiation of hepatocellular carcinoma (HCC) showing hyperintensity on the hepatobiliary phase of gadoxetic acid-enhanced MRI and focal nodular hyperplasia (FNH) and FNH-like nodules. MATERIALS AND METHODS: We enrolled consecutive 51 pathologically diagnosed HCCs that were hyperintense on hepatobiliary phase imaging (47 patients, including 44 with cirrhosis) and 10 FNHs and eight FNH-like nodules (16 patients, including five with cirrhosis)...
April 30, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29686569/pedunculated-focal-nodular-hyperplasia-in-a-healthy-toddler
#6
Juhi Koolwal, Krista L Birkemeier, Riyam T Zreik, Kelly D Mattix
Focal nodular hyperplasia (FNH) is a benign hepatic tumor rarely seen in pediatric patients, with most cases reported in school-aged children with a history of malignancy, liver disease, chemotherapy, or hematopoietic stem cell therapy. Despite having advanced radiographic imaging, diagnosing FNH before surgical resection can be difficult. We report a rare case of pedunculated FNH presenting as a large abdominal mass palpated on physical exam in a healthy 3-year-old girl with no history of malignancy or underlying liver disease...
January 2018: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/29671057/accurate-ivim-model-based-liver-lesion-characterisation-can-be-achieved-with-only-three-b-value-dwi
#7
P Mürtz, A M Sprinkart, M Reick, C C Pieper, A-H Schievelkamp, R König, H H Schild, W A Willinek, G M Kukuk
OBJECTIVE: The objective of this study was to evaluate a simplified intravoxel incoherent motion (IVIM) approach of diffusion-weighted imaging (DWI) with four b-values for liver lesion characterisation at 1.5 T. METHODS: DWI data from a respiratory-gated MRI sequence with b = 0, 50, 250, 800 s/mm2 were retrospectively analysed in 173 lesions and 40 healthy livers. The apparent diffusion coefficient ADC = ADC(0,800) and IVIM-based parameters D1 ' = ADC(50,800), D2 ' =ADC(250,800), f1 ', f2 ', D*', ADClow = ADC(0,50), and ADCdiff =ADClow -D2 ' were calculated voxel-wise without fitting procedures...
April 18, 2018: European Radiology
https://www.readbyqxmd.com/read/29623675/abdominal-imaging-findings-in-adult-patients-with-fontan-circulation
#8
REVIEW
Tae-Hyung Kim, Hyun Kyung Yang, Hyun-Jung Jang, Shi-Joon Yoo, Korosh Khalili, Tae Kyoung Kim
The Fontan procedures, designed to treat paediatric patients with functional single ventricles, have markedly improved the patient's survival into adulthood. The physiology of the Fontan circuit inevitably increases systemic venous pressure, which may lead to multi-system organ failure in the long-term follow-up. Fontan-associated liver disease (FALD) can progress to liver cirrhosis with signs of portal hypertension. Focal nodular hyperplasia-like nodules commonly develop in FALD. Imaging surveillance is often performed to monitor the progression of FALD and to detect hepatocellular carcinoma, which infrequently develops in FALD...
April 5, 2018: Insights Into Imaging
https://www.readbyqxmd.com/read/29594465/interpreting-body-mri-cases-classic-findings-in-abdominal-mri
#9
REVIEW
Leann Kania, Flavius Guglielmo, Donald Mitchell
Few things in radiology are "pathognomonic" in their appearance or presentation. However, having an awareness of those findings which are specific to a certain entity is important when interpreting imaging studies. These classic findings can be identified with many imaging modalities, but no modality provides as many recognizable observations as an MRI. This results from the large variety of pulse sequences that provide high contrast resolution, prior to and following contrast administration. In this article, the most classically recognized abdominal findings are presented including the following: Liver: Cyst, hemangioma, focal nodular hyperplasia, hepatic adenoma, hemosiderosis, hepatocellular carcinoma...
March 28, 2018: Abdominal Radiology
https://www.readbyqxmd.com/read/29571062/the-potentiality-of-laparoscopic-partial-liver-excisional-biopsy-using-analysis-of-the-liver-surface-based-on-preoperative-3d-simulation-imaging-a-case-report
#10
Shigenori Ei, Osamu Itano, Hideo Yoshida, Hidenori Ojima, Masayuki Shimoda, Hiroshi Uchida, Shingo Maeda, Yusuke Kumamoto, Satoshi Aiko
INTRODUCTION: The imaging diagnostics of liver tumor are difficult. There are no effective biopsy examinations for liver tumors that cannot be detected even by ultrasonography (US) and computed tomography (CT). We report a remarkably useful biopsy method for such tumors. PRESENTATION OF CASE: A 67-year-old man with hepatitis C underwent gadolinium-ethoxybenzyl-diethylenetriamine pentaacetic acid-enhanced magnetic resonance imaging, and the images revealed multiple delayed enhanced masses that showed high signal intensity in the hepatobiliary phase...
March 16, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29570181/-benign-liver-tumours-current-diagnostics-and-therapeutic-modalities
#11
Gergely Nagy, Katalin Dezsõ, Gergely Kiss, Zsuzsanna Gerlei, Péter Nagy, László Kóbori
The most common benign liver tumours are haemangiomas, focal nodular hyperplasia and hepatocellular adenoma. We perform a review of the literature and show the current diagnostic and therapeutic modalities based on the EASL Clinical Practice Guideline. With the widespread use of ultrasound, the detection of liver lesions is increased. They are usually found in women of childbearing age with atypical abdominal pain or incidentally. Contrast-enhanced US, CT or MRI are usually necessary for differential diagnosis...
March 23, 2018: Magyar Onkologia
https://www.readbyqxmd.com/read/29568758/surgical-technique-and-clinical-analysis-of-twelve-cases-of-isolated-laparoscopic-resection-of-the-hepatic-caudate-lobe
#12
Bin Jin, Zhengchen Jiang, Sanyuan Hu, Gang Du, Binyao Shi, Du Kong, Jinhuan Yang
Objective: To describe the surgical procedures of laparoscopic caudate lobectomy and analyze its clinical efficiency for treating cancer. Methods: Twelve consecutive patients of hepatocellular carcinoma, hepatic hemangioma, and focal nodular hyperplasia who received laparoscopic caudate lobectomy in Qilu Hospital of Shandong University from January 2013 to January 2017 were included in this study. The clinical data, intraoperative parameters, and postoperative outcomes were assessed...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29567877/a-practical-diagnostic-approach-to-hepatic-masses
#13
REVIEW
Monika Vyas, Dhanpat Jain
The differential diagnosis of hepatic mass lesions is broad and arriving at the right diagnosis can be challenging, especially on needle biopsies. The differential diagnosis of liver tumors in children is different from adults and is beyond the scope of this review. In adults, the approach varies depending on the age, gender, and presence of background liver disease. The lesions can be divided broadly into primary and metastatic (secondary), and the primary lesions can be further divided into those of hepatocellular origin and nonhepatocellular origin...
January 2018: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/29517544/fdg-pet-ct-in-2-cases-of-hepatic-pseudolymphoma
#14
Xinping Zhong, Aisheng Dong, Hui Dong, Yang Wang
Hepatic pseudolymphoma, also known as reactive lymphoid hyperplasia or nodular lymphoid hyperplasia, is a rare benign lymphoproliferative lesion. Preoperative diagnosis of hepatic pseudolymphoma is challenging. We present 2 cases of hepatic pseudolymphoma with focal intense FDG uptake on FDG PET/CT mimicking malignancy. These 2 cases suggest that hepatic pseudolymphoma should be considered as a rare differential diagnosis in patients with focal hypermetabolic hepatic lesion.
May 2018: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29512807/fistulizing-nodular-lymphoid-hyperplasia
#15
Rami Rhaiem, Amine Makni, Houcine Maghrebi, Alia Zehani, Amine Daghfous, Zoubaier Ben Safta
BACKGROUND: Nodular lymphoid hyperplasia (NLH) of the gastrointestinal (GI) tract is a rare condition in adults. It is usually asymptomatic. Few complications have been described. AIM:   We report an unusual clinical presentation of focal lymphoid hyperplasia of the GI. CASE REPORT: A 23-year-old female patient presented with a fistulizingdisease of the terminal ileum and the caecum complicated with an abscess of the lower right quadrant if the abdomen...
June 2017: La Tunisie Médicale
https://www.readbyqxmd.com/read/29495350/the-role-of-insulin-resistance-hyperinsulinism-on-the-rising-trend-of-thyroid-and-adrenal-nodular-disease-in-the-current-environment
#16
REVIEW
Agathocles Tsatsoulis
Thyroid follicular cells, as well as adrenocortical cells, are endowed by an intrinsic heterogeneity regarding their growth potential, in response to various stimuli. This heterogeneity appears to constitute the underlying cause for the focal cell hyperplasia and eventually the formation of thyroid and adrenal nodules, under the influence of growth stimulatory factors. Among the main stimulatory factors are the pituitary tropic hormones, thyroid-stimulating hormone (TSH) or thyrotropin and adrenocorticotropic hormone (ACTH), which regulate the growth and function of their respective target cells, and the insulin/insulin-like growth factor system, that, through its mitogenic effects, can stimulate the proliferation of these cells...
February 26, 2018: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/29492364/spontaneous-rupture-of-a-hepatic-adenoma-diagnostic-nuances-and-the-necessity-of-followup
#17
Preston F Ashby, Chelsea Alfafara, Albert Amini, Richard Amini
We present the case of a young female on oral contraceptives (OCs) who was diagnosed with focal nodular hyperplasia (FNH) and remained on oral contraceptives. Months later, the patient presented with acute abdominal pain and intratumoral hemorrhage in the liver. The patient was taken to the operating room (OR) and was diagnosed with a ruptured hepatic adenoma (HA). We review the key diagnostic features of FNH and HA, the different management guidelines including use of OCs, and potential surgical indications...
December 20, 2017: Curēus
https://www.readbyqxmd.com/read/29460044/mri-features-of-primary-hepatic-lymphoma
#18
Stefano Colagrande, Linda Calistri, Giulia Grazzini, Cosimo Nardi, Simone Busoni, Giovanni Morana, Luigi Grazioli
PURPOSE: Our retrospective study sought to describe the spectrum of magnetic resonance imaging (MRI) features of primary hepatic lymphoma (PHL) by analyzing its morphological aspects, signal intensity before and after contrast agent (CA) administration, and diffusion-weighted imaging (DwI) with the apparent diffusion coefficient (ADC) values. METHODS: A retrospective analysis was conducted on 25 patients with pathologically proven PHL who underwent MRI between January 2011 and December 2016...
February 19, 2018: Abdominal Radiology
https://www.readbyqxmd.com/read/29460040/benign-and-malignant-hepatocellular-lesions-in-patients-with-vascular-liver-diseases
#19
Valérie Vilgrain, Valérie Paradis, Morgane Van Wettere, Dominique Valla, Maxime Ronot, Pierre-Emmanuel Rautou
A variety of vascular liver disorders can induce hepatocellular tumors. They may be related to portal venous deprivation, venous outflow obstruction, or arterial diseases. Their common feature is an imbalance between hepatic arterial and portal venous blood flow leading to an increased hepatic arterial inflow. Consequently, hepatocellular tumors may arise, most commonly focal nodular hyperplasia-like lesions but hepatocellular adenomas and hepatocellular carcinoma may be seen as well. This article will review the most common vascular liver diseases associated with hepatocellular nodules (Budd-Chiari syndrome, congenital portosystemic shunt, hereditary hemorrhagic telangiectasia, and portal cavernoma)...
February 19, 2018: Abdominal Radiology
https://www.readbyqxmd.com/read/29390333/atypical-hemangioma-mimicking-mixed-hepatocellular-cholangiocarcinoma-case-report
#20
Shengzhang Lin, Lele Zhang, Mengxia Li, Qiyang Cheng, Liang Zhang, Shusen Zheng
RATIONALE: Hemangioma of the liver is a benign hepatic tumor, more common in women than in men, which is typically asymptomatic, solitary, and incidentally discovered. Atypical hemangioma is a variant of hepatic hemangioma with atypical imaging finding features on CT and MRI that can be confused with hepatocellular carcinoma (HCC), intrahepatic cholangiocarcinoma (ICC) and mixed hepatocellular cholangiocarcinoma (HCC-CC). PATIENT CONCERNS: We report a case of atypical hepatic hemangioma mimicking HCC-CC: A 59-year-old man was referred to our hospital for a hepatic lesion that was 4...
December 2017: Medicine (Baltimore)
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