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https://www.readbyqxmd.com/read/29296230/dynamic-enhanced-ct-is-there-a-difference-between-liver-metastases-of-gastroenteropancreatic-neuroendocrine-tumor-and-adenocarcinoma
#1
Yong Cui, Zhong-Wu Li, Xiao-Ting Li, Shun-Yu Gao, Ying Li, Jie Li, Hui-Ci Zhu, Lei Tang, Kun Cao, Ying-Shi Sun
This study proposed to evaluate the feasibility of dynamic enhanced CT in differentiation of liver metastases of gastroenteropancreatic well-differentiated neuroendocrine tumors (GEP NETs) from GEP adenocarcinomas based on their characteristic features. CT images of 23 well-differentiated (G1 or G2) GEP NETs and 23 GEP adenocarcinomas patients with liver metastases were retrospectively reviewed. The distribution type, shape, intra-tumoral neovascularity, enhancement on hepatic artery phase, dynamic enhancement pattern and lymphadenopathy were subjective analyzed...
December 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/29258825/role-of-diffusion-weighted-mr-imaging-in-predicting-the-grade-of-nonfunctional-pancreatic-neuroendocrine-tumors
#2
F Kulali, A Semiz-Oysu, M Demir, M Segmen-Yilmaz, Y Bukte
PURPOSE: The purpose of this study was to describe the magnetic resonance imaging (MRI) findings including diffusion-weighted MRI of nonfunctional pancreatic neuroendocrine tumors (PanNETs) and their hepatic metastases, and investigate the relationships between MRI features and histopathological findings for each grade of PanNETs. MATERIALS AND METHODS: A total of 30 patients were included. There were 14 men and 16 women with a mean age of 61.60±11 (SD) years (range: 31-81years)...
December 16, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29230127/intraarterial-liver-directed-therapies-the-role-of-interventional-oncology
#3
REVIEW
Jenson Ma, Juan Martin Gimenez, Tyler Sandow, Daniel Devun, David Kirsch, Paul Gulotta, Patrick Gilbert, Dennis Kay
Background: Since the early 1990s, the minimally invasive image-guided therapies used in interventional oncology to treat hepatocellular carcinoma have continued to evolve. Additionally, the range of applications has been expanded to the treatment of hepatic metastases from colorectal cancer, neuroendocrine tumors, cholangiocarcinoma, breast cancer, melanoma, and sarcoma. Methods: We searched the literature to identify publications from 1990 to the present on various image-guided intraarterial therapies and their efficacy, as well as their role in the management of primary and secondary liver malignancies...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/29167951/radioembolization-versus-bland-embolization-for-hepatic-metastases-from-small-intestinal-neuroendocrine-tumors-short-term-results-of-a-randomized-clinical-trial
#4
Anna-Karin Elf, Mats Andersson, Olof Henrikson, Oscar Jalnefjord, Maria Ljungberg, Johanna Svensson, Bo Wängberg, Viktor Johanson
BACKGROUND: Radioembolization (RE) with intra-arterial administration of (90)Y microspheres is a promising technique for the treatment of liver metastases from small intestinal neuroendocrine tumors (SI-NET) not amenable to surgery or local ablation. However, studies comparing RE to other loco-regional therapies are lacking. The aim of this randomized study was to compare the therapeutic response and safety after RE and bland hepatic arterial embolization (HAE), and to investigate early therapy-induced changes with diffusion-weighted MRI (DWI-MRI)...
November 22, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/29113001/the-impact-of-high-end-ultrasound-in-the-management-of-a-patient-with-neuroendocrine-tumor-of-the-ileum
#5
Tatjana Schmidt, Julia M Schwarz, Martina Steurer, Martin Goetz, Susann-Cathrin Olthof, Nisar P Malek, Bita Boozari
Diagnostic imaging of jejuno-ileal neuroendocrine tumors (NETs) has been described as challenging. Follow-up requires the detection of metastatic spread as well as screening for local recurrence. Multimodal imaging concepts must often be applied.We report the case of a 45-year-old man with a history of ileal NET. At 2 points in follow-up of our patient, information provided by high-end ultrasound changed prognosis and treatment considerably: when positron emission tomography/computed tomography newly detected suspected hepatic metastases, contrast-enhanced ultrasound correctly identified the lesions as intrahepatic vascular shunts...
November 7, 2017: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/29102861/an-isolated-metachronous-metastasis-to-the-adrenal-gland-from-a-pancreatic-neuroendocrine-tumor-a-case-report
#6
Yasunaru Sakuma, Naohiro Sata, Kazuhiro Endo, Yoshikazu Yasuda, Shinichiro Yokota, Yoshinori Hosoya, Atsushi Shimizu, Hirofumi Fujii, Daisuke Matsubara, Noriyoshi Fukushima, Shoko Asakawa, Yuuki Kawarai Shimada, Chieko Kawarai Lefor, Alan Kawarai Lefor
INTRODUCTION: Pancreatic neuroendocrine tumors are rare. Treatment includes aggressive local management of the primary lesion and metastases, and systemic somatostatin. This is the first report of an isolated metachronous metastasis to the adrenal gland from a pancreatic neuroendocrine tumor that presented 90 months after the primary tumor. PRESENTATION OF CASE: The patient presented as a 53yo man with a left upper quadrant mass and synchronous metastases to the spleen and liver (pancreatic neuroendocrine tumor T4N0M1, Stage IV), which were resected (CD56-, synaptophysin+, chromogranin+, Ki-67<1%)...
October 19, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29076658/fine-needle-aspiration-cytology-of-hepatic-metastases-of-neuroendocrine-tumors-a-20-year-retrospective-single-institutional-study
#7
Omer A M Saeed, Harvey Cramer, Xiaoyan Wang, Howard H Wu
BACKGROUND: Fine needle aspiration (FNA) is considered an excellent technique for documenting metastatic neuroendocrine tumors (NETs). This study aims to evaluate the accuracy of FNA in diagnosing metastatic NETs to the liver and determining the grade and origin of these metastases. METHODS: Our laboratory information system was searched from 1997 to 2016 to identify all cases of metastatic NETs to the liver that were sampled by FNA. The cytopathology and surgical pathology reports as well as the patients' electronic medical records were reviewed...
October 27, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/29075824/ct-perfusion-in-normal-liver-and-liver-metastases-from-neuroendocrine-tumors-treated-with-targeted-antivascular-agents
#8
Chaan S Ng, Wei Wei, Cihan Duran, Payel Ghosh, Ella F Anderson, Adam G Chandler, James C Yao
OBJECTIVE: To assess the effects of bevacizumab and everolimus, individually and combined, on CT perfusion (CTp) parameters in liver metastases from neuroendocrine tumors (mNET) and normal liver. METHODS: This retrospective study comprised 27 evaluable patients with mNETs who had participated in a two-arm randomized clinical trial of mono-therapy with bevacizumab (Arm B) or everolimus (Arm E) for 3 weeks, followed by combination of both targeted agents. CTp was undertaken at baseline, 3 and 9 weeks, to evaluate blood flow (BF), blood volume (BV), mean transit time (MTT), permeability surface area product (PS), and hepatic arterial fraction (HAF) of mNET and normal liver, using a dual-input distributed parameter physiological model...
October 26, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29071265/freezing-fort-knox-mesenteric-carcinoid-cryoablation
#9
Erik Soule, Arya Bagherpour, Jerry Matteo
BACKGROUND: Neuroendocrine malignancy is indolent, yet relentless in its propensity to metastasize to the liver, where it may cause bizarre paraneoplastic syndromes. The pathophysiologic mechanism behind this predilection for hepatic metastasis is twofold: the portal venous system drains the most likely primary sites for neuroendocrine tumors, and the relatively immunosuppressed environment within the hepatic parenchyma is permissive for tumor growth. The standard of care for patients with metastatic neuroendocrine tumor is surgical resection of at least 90% of the tumor burden...
September 2017: Gastrointestinal Tumors
https://www.readbyqxmd.com/read/29061283/liver-resection-for-metastases-not-of-colorectal-neuroendocrine-sarcomatous-or-ovarian-ncnso-origin-a-multicentric-study
#10
Ismail Labgaa, Ksenija Slankamenac, Erik Schadde, Ghalib Jibara, Kutaiba Alshebeeb, Gilles Mentha, Pierre-Alain Clavien, Myron Schwartz
BACKGROUND: Liver resection is a well-established treatment for colorectal, neuroendocrine and sarcomatous metastases but remains ill-defined for metastases from other primary sites. This study aimed to analyze the outcomes of hepatic resection for metastases not of colorectal, neuroendocrine, sarcomatous, or ovarian (NCNSO) origin and to identify predictors of outcome. METHODS: Retrospective analysis of patients undergoing resection for NCNSO metastases in three western centers...
October 7, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/28902795/magnetic-resonance-imaging-of-neuroendocrine-tumor-hepatic-metastases-does-hepatobiliary-phase-imaging-improve-lesion-conspicuity-and-interobserver-agreement-of-lesion-measurements
#11
Brian Morse, Daniel Jeong, Kerry Thomas, Dalanda Diallo, Jonathan R Strosberg
OBJECTIVE: The aim of this study was to determine if magnetic resonance imaging (MRI) performed with hepatobiliary phase imaging results in higher lesion conspicuity and produces lesion measurements with higher interobserver agreement than other MRI sequences when imaging neuroendocrine hepatic metastases. METHODS: Patients who had MRIs with both gadoxetate disodium and gadopentetate dimeglumine contrast within a 6-month span were identified, and 23 hepatic lesions were selected...
October 2017: Pancreas
https://www.readbyqxmd.com/read/28834900/composite-hepatocellular-carcinoma-and-small-cell-carcinoma-with-early-nodal-metastasis-a-case-report
#12
Yu-Jen Liu, Kwai-Fong Ng, Shih-Chiang Huang, Ren-Chin Wu, Tse-Ching Chen
RATIONALE: Hepatocellular carcinoma (HCC) is known to grow in a mosaic pattern, and it can sometimes be combined with non-hepatocellular cells. Despites the variety of combination, HCC with a significant neuroendocrine carcinoma (NEC) component remains very rare. Most of the reported cases were treated as conventional HCC with a relatively poor prognosis. Early diagnosis may lead to a better treatment modality. Here, we report a case of composite HCC and small cell carcinoma (SCC) with nodal metastasis of the SCC component alone...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28793278/mixed-adenoneuroendocrine-carcinoma-derived-from-the-cystic-duct-a-case-report
#13
Yu-Ki Takemoto, Tomoyuki Abe, Hironobu Amano, Keiji Hanada, Akihito Okazaki, Tomoyuki Minami, Tsuyoshi Kobayashi, Masahiro Nakahara, Shuji Yonehara, Hideki Ohdan, Toshio Noriyuki
INTRODUCTION: Mixed adenoneuroendocrine carcinomas (MANECs) derived from cystic duct are extremely rare. PRESENTATION OF CASE: An 80-year-old woman was admitted to the department of surgery, Onomichi general hospital with abnormal liver function and jaundice. Enhanced abdominal computed tomography (CT) detected a well-enhanced papillary tumor in the cystic duct, which protruded into the common bile duct. The intrahepatic bile duct was dilated due to tumor obstruction...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28579681/making-the-case-intra-arterial-therapy-for-less-common-metastases
#14
REVIEW
Andrew C Gordon, Omar M Uddin, Ahsun Riaz, Riad Salem, Robert J Lewandowski
Intra-arterial therapies have high antitumor activity for both primary and secondary hepatic malignancies. Selective infusions allow increased delivery of cytoreductive therapy to the tumor bed while sparing the normal hepatic parenchyma. These therapies are now often applied in the outpatient setting or with short overnight hospital stays and have a growing role in the treatment of liver-dominant disease from metastatic colorectal cancer and from neuroendocrine tumors. Less commonly, intra-arterial therapies are applied to treat secondary hepatic malignancies from breast cancer, melanoma, pancreatic adenocarcinoma, and soft-tissue sarcomas...
June 2017: Seminars in Interventional Radiology
https://www.readbyqxmd.com/read/28567071/associating-liver-partition-and-portal-vein-ligation-for-staged-hepatectomy-a-surgical-technique-for-liver-resections
#15
Behnam Sanei, Saba Sheikhbahaei, Mohammad Hossein Sanei, Amin Bahreini, Hamid Reza Jafari
BACKGROUND: Associating liver partition and portal vein ligation for staged hepatectomy (ALPPS) is a novel surgical technique liver resection in traditionally nonresectable primary intrahepatic tumors or colorectal liver metastases. MATERIALS AND METHODS: From June 2013 to March 2014, patients with primary tumor of liver or colorectal tumors with liver metastasis were selected to evaluate whether they met the initial criteria for ALPPS procedure. RESULTS: Nine patients enrolled in the study with primary diagnoses of colon and rectosigmoid cancer, carcinoid tumor, gastrointestinal stromal tumor of small intestine, hepatocellular carcinoma, and pancreatic neuroendocrine tumor (PNET)...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28562682/an-elevated-serum-alkaline-phosphatase-level-in-hepatic-metastases-of-grade-1-and-2-gastrointestinal-neuroendocrine-tumors-is-unusual-and-of-prognostic-value
#16
Maeva Andriantsoa, Solene Hoibian, Aurelie Autret, Marine Gilabert, Anthony Sarran, Patricia Niccoli, Jean-Luc Raoul
BACKGROUND: In our clinical practice we have observed that despite a high hepatic metastatic tumor burden, serum alkaline phosphatase (AP) levels are frequently normal in cases of metastatic neuroendocrine tumor (NET). PATIENTS AND METHODS: We retrospectively reviewed the records of patients with grade 1 and 2 NETs with liver metastases but without bone metastases seen at our institution in 2013. In total, 49 patients were included (22 female), with a median age of 60 years (range: 28 to 84 years)...
2017: PloS One
https://www.readbyqxmd.com/read/28527884/adjuvant-medications-that-improve-survival-after-locoregional-therapy
#17
F Edward Boas, Etay Ziv, Hooman Yarmohammadi, Karen T Brown, Joseph P Erinjeri, Constantinos T Sofocleous, James J Harding, Stephen B Solomon
PURPOSE: To determine if outpatient medications taken at the time of liver tumor embolization or ablation affect survival. MATERIALS AND METHODS: A retrospective review was done of 2,032 liver tumor embolization, radioembolization, and ablation procedures performed in 1,092 patients from June 2009 to April 2016. Pathology, hepatocellular carcinoma (HCC) stage (American Joint Committee on Cancer), neuroendocrine tumor (NET) grade, initial locoregional therapy, overall survival after initial locoregional therapy, Child-Pugh score, Eastern Cooperative Oncology Group performance status, Charlson Comorbidity Index, and outpatient medications taken at the time of locoregional therapy were analyzed for each patient...
July 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28487601/is-there-still-a-role-for-the-hepatic-locoregional-treatment-of-metastatic-neuroendocrine-tumors-in-the-era-of-systemic-targeted-therapies
#18
EDITORIAL
Federica Cavalcoli, Emanuele Rausa, Dario Conte, Antonio Federico Nicolini, Sara Massironi
Gastroenteropancreatic neuroendocrine neoplasms (GEP-NENs) frequently present with distant metastases at the time of diagnosis and the liver is the most frequent site of spreading. The early identification of metastatic disease represents a major prognostic factor for GEP-NENs patients. Radical surgical resection, which is feasible for a minority of patients, is considered the only curative option, while the best management for patients with unresectable liver metastases is still being debated. In the last few years, a number of locoregional and systemic treatments has become available for GEP-NEN patients metastatic to the liver...
April 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28350976/neuroendocrine-tumor-of-the-common-bile-duct-case-report
#19
C Raspanti, N Falco, V Silvestri, G Rotolo, S Bonventre, G Gulotta
Neuroendocrine tumors (NET) are a very heterogeneous group of neoplasms; in recent years we have seen an increase in their incidence (3.65 /100.000/year). They can be associated with hereditary endocrine syndromes (MEN, Von Hippel Lindau); they can occur at any age and the incidence is slightly higher in men than women. The aetiology of the neuroendocrine tumors is unclear; in most cases, inflammation of the bile ducts may be the underlying cause and for this reason, the initial patient's evaluation should be focused on the different aspects concerning the oncological one and the possible sequelae of the biliary obstructions that can evolve in biliary sepsis...
November 2016: Il Giornale di Chirurgia
https://www.readbyqxmd.com/read/28350289/rectal-carcinoid-tumor-with-liver-metastases-treated-by-local-excision-and-orthotopic-liver-transplant-with-long-term-follow-up
#20
Giovanni Vennarecci, Gianluca Mascianà, Edoardo de Werra, Nicola Guglielmo, Giovanni Battista Levi Sandri, Mariagrazia Coluzzi, Giuseppe Maria Ettorre
In patients affected by unresectable liver metastases from neuroendocrine tumor, liver transplant represents currently the only realistic chance for cure. The first attempt to establish selection criteria for liver transplant in patients affected by neuroendocrine tumor liver metastases was made by Mazzaferro and associates in 2007. We report the case of a 46-year-old man who came to our institution in 2006 with right upper quadrant abdominal pain. Diagnosis of rectal neuroendocrine tumor with bilobar liver nodules was made; the patient underwent transanal local resection...
March 28, 2017: Experimental and Clinical Transplantation
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