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https://www.readbyqxmd.com/read/28103576/a-new-model-of-multi-visceral-and-bone-metastatic-prostate-cancer-with-perivascular-niche-targeting-by-a-novel-endothelial-specific-adenoviral-vector
#1
Zhi Hong Lu, Sergey Kaliberov, Rebecca E Sohn, Lyudmila Kaliberova, Yingqiu Du, Julie L Prior, Daniel J Leib, Anne Chauchereau, Jennifer K Sehn, David T Curiel, Jeffrey M Arbeit
While modern therapies for metastatic prostate cancer (PCa) have improved survival they are associated with an increasingly prevalent entity, aggressive variant PCa (AVPCa), lacking androgen receptor (AR) expression, enriched for cancer stem cells (CSCs), and evidencing epithelial-mesenchymal plasticity with a varying extent of neuroendocrine transdifferentiation. Parallel work revealed that endothelial cells (ECs) create a perivascular CSC niche mediated by juxtacrine and membrane tethered signaling. There is increasing interest in pharmacological metastatic niche targeting, however, targeted access has been impossible...
January 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28080901/cerebellar-and-mesencephalon-neoplasia-in-a-nile-hipoppotamus-hippopotamus-amphibious
#2
Francesca Schiaffino, Samantha J Sander, Marcia E Pereira Bacares, Katie J Barnes, Matti Kiupel, Timothy Walsh, Suzan Murray
A 52-yr-old female Nile hippopotamus ( Hippopotamus amphibious ) was presented for acute onset anorexia, depression, lethargy, instability, and weakness in the pelvic limbs. Clinical signs were rapidly progressive, despite empiric therapy with anti-inflammatory medications, resulting in the death of the animal. Gross necropsy evaluation revealed two tan, firm masses in the cerebellum and mesencephalon and a single mass in the right cranial adrenal gland. All three masses had a similar histologic morphology, and immunohistochemical investigation confirmed the general diagnosis of an adenocarcinoma, but the exact cell of origin remains unclear...
December 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28074210/diagnostic-value-of-additional-68-ga-psma-pet-before-223-ra-dichloride-therapy-in-patients-with-metastatic-prostate-carcinoma
#3
Axel Bräuer, Kambiz Rahbar, Julia Konnert, Martin Bögemann, Lars Stegger
PURPOSE: Medical imaging plays an important role in selecting patients with metastatic castration-resistant prostate cancer for (223)Ra-dichloride therapy of bone metastases. The purpose of this study was to investigate whether (68)Ga-PSMA-PET has incremental value over conventional imaging for selecting patients suitable for (223)Ra-dichloride therapy. METHODS: In 27 consecutive patients referred for (223)Ra-dichloride therapy additional (68)Ga-PSMA-PET/CT was performed and tracer distribution was evaluated systematically with respect to the detection of visceral metastases and bone metastases with inadequate uptake on bone scintigraphy...
January 11, 2017: Nuklearmedizin. Nuclear Medicine
https://www.readbyqxmd.com/read/28073054/adrenal-failure-due-to-bilateral-adrenal-metastasis-of-rectal-cancer-a-case-report
#4
Yuki Imaoka, Fumito Kuranishi, Yoshiteru Ogawa, Hiroshi Okuda, Masahiro Nakahara
INTRODUCTION: It is rare for a patient to present with adrenal insufficiency secondary to bilateral adrenal metastases from a malignant colorectal tumor. CASE PRESENTATION: An 82-year-old Japanese man presented to our hospital with high fever and malaise. He was receiving oral chemotherapy for the treatment of rectal cancer with multiple metastases. Computed tomography showed new bilateral adrenal gland metastases. A rapid adrenocorticotropic hormone (ACTH) test showed adrenal insufficiency...
December 21, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28051122/kras-mutation-incidence-and-prognostic-value-are-metastatic-site-specific-in-lung-adenocarcinoma-poor-prognosis-in-patients-with-kras-mutation-and-bone-metastasis
#5
Zoltan Lohinai, Thomas Klikovits, Judit Moldvay, Gyula Ostoros, Erzsebet Raso, Jozsef Timar, Katalin Fabian, Ilona Kovalszky, István Kenessey, Clemens Aigner, Ferenc Renyi-Vamos, Walter Klepetko, Balazs Dome, Balazs Hegedus
Current guidelines lack comprehensive information on the metastatic site-specific role of KRAS mutation in lung adenocarcinoma (LADC). We investigated the effect of KRAS mutation on overall survival (OS) in this setting. In our retrospective study, 500 consecutive Caucasian metastatic LADC patients with known KRAS mutational status were analyzed after excluding 32 patients with EGFR mutations. KRAS mutation incidence was 28.6%. The most frequent metastatic sites were lung (45.6%), bone (26.2%), adrenal gland (17...
January 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28051057/neonatal-neuroblastoma-with-adrenal-primary-and-metastasis-to-the-liver-a-case-report-and-a-review-of-literature
#6
Oladipo Omoseebi, Mosebolatan Olatokunboh Odubanjo, Olakanmi Ralph Akinde, Nzechukwu Z Ikeri, Adesoji O Ademuyiwa, Adekunle A O Adeyomoye
We report the case of a 23-day-old neonate with neuroblastoma (NBL) in the right adrenal gland and widespread metastases to the liver. This raises the possibility of foetal NBL, which was missed during periodic ultrasonography done during the mother's pregnancy. We hope that this report would increase the awareness of physicians about foetal, congenital and neonatal NBL; and of sonographers about space-occupying lesions in the foetus. The clinicopathologic features and the management of neonatal NBL are discussed...
October 2016: African Journal of Paediatric Surgery: AJPS
https://www.readbyqxmd.com/read/28035432/chemoembolization-of-neuroendocrine-liver-metastases-using-streptozocin-and-tris-acryl-microspheres-embozar-embosphere%C3%A2-%C3%A2-zanosar-study
#7
Jean-Pierre Pelage, Audrey Fohlen, Emmanuel Mitry, Christine Lagrange, Alain Beauchet, Philippe Rougier
PURPOSE: The purpose of this prospective observational study was to evaluate the efficacy and tolerability of transarterial chemoembolization (TACE) for neuroendocrine liver metastases using a combination of streptozocin, Lipiodol, and tris-acryl microspheres. PATIENTS AND METHODS: A total of 16 men and 9 women aged 59.6 ± 11.3 years, all with predominant liver disease, underwent 54 courses of TACE using an emulsion of 1.5 g of streptozocin and 10 ml of Lipiodol...
December 29, 2016: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/27998440/-value-of-single-source-dual-energy-ct-ssdect-in-differentiating-lipid-poor-adrenal-adenomas-from-metastatic-lesions
#8
Y Ju, A L Liu, H Q Wang, Y J Liu, J H Liu, A L Chen, L H Chen, Y Li, Z Han
Objective: To evaluate the value of single-source dual-energy CT (ssDECT) in differentiating lipid-poor adenomas from metastases in adrenal glands. Methods: From August 2011 to Oct 2014, 63 patients with 73 adrenal nodules (53 metastases proven by 5-6 months follow-up, and 20 histopathologically proven adenomas, CT value > 10 HU) underwent ssDECT scanning. The CT values of conventional polychromatic CT and virtual monochromatic images (40-140 keV) , fat-water density images and effective atomic number (eff-Z) were reconstructed on an ADW4...
November 23, 2016: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/27997430/fdg-pet-ct-in-carcinoma-of-the-tongue-with-bilateral-adrenal-metastases
#9
Krishan Kant Agarwal, Girish Kumar Parida, Madhavi Tripathi, Manas Kumar Sahoo, Alok Thakar, Chander Shekhar Bal, Rakesh Kumar
Squamous cell carcinoma is the most common malignant neoplasm of the oral cavity, and it contributes approximately 90% of all oral malignancies. We present a case of a squamous cell carcinoma of the tongue with rare site of bilateral adrenal metastases on F-FDG PET/CT with response evaluation after chemotherapy.
December 16, 2016: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27992508/disentangling-of-malignancy-from-benign-pheochromocytomas-paragangliomas
#10
Kyong Young Kim, Jung Hee Kim, A Ram Hong, Moon-Woo Seong, Kyu Eun Lee, Su-Jin Kim, Sang Wan Kim, Chan Soo Shin, Seong Yeon Kim
OBJECTIVE: Many malignant tumors initially appear benign but subsequently exhibit extensive metastases. Early identification of malignant pheochromocytomas and paragangliomas (PPGLs) before metastasis is important for improved prognosis. However, there are no robust prognostic indices of recurrence and malignancy. The aim of this study was to identify the clinical and histopathological factors that predict malignant PPGLs. DESIGN: Retrospective follow-up study. METHODS: In this study, we included 223 patients with pathologically confirmed PPGLs who were treated between 2000 and 2015 at the Seoul National University Hospital in South Korea...
2016: PloS One
https://www.readbyqxmd.com/read/27922668/dual-inhibition-using-cabozantinib-overcomes-hgf-met-signaling-mediated-resistance-to-pan-vegfr-inhibition-in-orthotopic-and-metastatic-neuroblastoma-tumors
#11
Estelle Daudigeos-Dubus, Ludivine Le Dret, Olivia Bawa, Paule Opolon, Albane Vievard, Irène Villa, Jacques Bosq, Gilles Vassal, Birgit Geoerger
MET is expressed on neuroblastoma cells and may trigger tumor growth, neoangiogenesis and metastasis. MET upregulation further represents an escape mechanism to various anticancer treatments including VEGF signaling inhibitors. We developed in vitro a resistance model to pan-VEGFR inhibition and explored the simultaneous inhibition of VEGFR and MET in neuroblastoma models in vitro and in vivo using cabozantinib, an inhibitor of the tyrosine kinases including VEGFR2, MET, AXL and RET. Resistance in IGR-N91-Luc neuroblastoma cells under continuous in vitro exposure pressure to VEGFR1-3 inhibition using axitinib was associated with HGF and p-ERK overexpression...
January 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/27919009/successful-percutaneous-ct-guided-microwave-ablation-of-adrenal-gland-for-ectopic-cushing-syndrome
#12
Rebecca Zener, Andrew Zaleski, Stan H Van Uum, Daryl K Gray, Amol Mujoomdar
Adrenocorticotropic hormone production by pancreatic neuroendocrine tumor (PNET) is rare and results in hyperstimulation of the adrenal gland to produce ectopic Cushing syndrome. Our case showcases the safety and effectiveness of percutaneous CT-guided microwave ablation of the adrenal gland in a 49-year-old female with PNET and hepatic metastases who presented with ectopic Cushing syndrome despite surgical resection of the primary pancreatic tumor and left adrenal gland. Prior to ablation, the right adrenal gland measured 4...
November 29, 2016: Clinical Imaging
https://www.readbyqxmd.com/read/27902883/metastatic-carotid-body-paraganglioma-of-lungs-and-lymph-nodes-unsuspected-diagnosis-on-ebus-tbna
#13
Kalpana Kumari, Deepali Jain, Rohit Kumar, Anant Mohan, Rakesh Kumar
Paragangliomas are tumors that originate from the extra-adrenal chromaffin and nonchromaffin cells of neural crest origin. Lymph node metastases are common, while distant metastases to lung, liver, and bone are rare events and usually occur in the presence of a long standing clinically evident primary tumor. Primary diagnosis of paraganglioma at a metastatic site without a known primary is a diagnostic challenge. We report a case of an adult woman with incidentally detected metastasis to bilateral lungs from an occult carotid body paraganglioma, which presented a cytopathological diagnostic dilemma on EBUS-TBNA from paratracheal lymph nodes...
November 30, 2016: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/27900728/distant-lymph-node-metastases-caused-by-esophageal-cancer-invasion-to-the-lamina-propria-a-case-report
#14
Satoshi Tsutsumi, Hiroshi Saeki, Yuichiro Nakashima, Yu Nakaji, Kensuke Kudou, Ryosuke Tsutsumi, Sho Nishimura, Shingo Akiyama, Hirotada Tajiri, Takafumi Yukaya, Kimihiro Tanaka, Ryota Nakanishi, Masahiko Sugiyama, Kippei Ohgaki, Hideto Sonoda, Minako Hirahashi, Eiji Oki, Masaru Morita, Yoshinao Oda, Yoshihiko Maehara
BACKGROUND: Pathological examination after endoscopic submucosal dissection revealed that a 62-year-old male had esophageal squamous cell carcinoma with lamina propria mucosal invasion and lymphatic permeation. CASE PRESENTATION: The patient underwent subtotal esophagectomy and reconstruction as an additional therapy. At 3 years and 4 months after esophagectomy, enlargement of abdominal para-aortic lymph nodes metastases was detected by computed tomography scanning...
December 2016: Surgical Case Reports
https://www.readbyqxmd.com/read/27894345/ultrasonographic-features-of-adrenal-gland-lesions-in-dogs-can-aid-in-diagnosis
#15
Elena Pagani, Massimiliano Tursi, Chiara Lorenzi, Alberto Tarducci, Barbara Bruno, Enrico Corrado Borgogno Mondino, Renato Zanatta
BACKGROUND: Ultrasonography to visualize adrenal gland lesions and evaluate incidentally discovered adrenal masses in dogs has become more reliable with advances in imaging techniques. However, correlations between sonographic and histopathological changes have been elusive. The goal of our study was to investigate which ultrasound features of adrenal gland abnormalities could aid in discriminating between benign and malignant lesions. To this end, we compared diagnosis based on ultrasound appearance and histological findings and evaluated ultrasound criteria for predicting malignancy...
November 28, 2016: BMC Veterinary Research
https://www.readbyqxmd.com/read/27872133/thyroid-metastasis-from-lung-adenocarcinoma-with-eml4-alk-rearrangement
#16
Hironori Kawamoto, Yugo Kaneko, Kai Ryu, Kazuyoshi Kuwano
Thyroid metastases from lung cancer are very rare. A woman aged 42 years with a tumour in the lower lobe of the right lung was diagnosed as having lung adenocarcinoma positive for echinoderm microtubule-associated proteinlike 4-anaplastic lymphoma kinase. Positron emission tomography demonstrated fluorodeoxyglucose accumulation in the lower lobe of the right lung, the right thyroid lobe and both adrenal glands. We performed fine-needle aspiration biopsy (FNAB) and used reverse transcriptase-PCR (RT-PCR) to diagnose the patient as having metastatic lung adenocarcinoma to the thyroid gland...
November 21, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27869719/targeted-molecular-imaging-in-adrenal-disease-an-emerging-role-for-metomidate-pet-ct
#17
REVIEW
Iosif A Mendichovszky, Andrew S Powlson, Roido Manavaki, Franklin I Aigbirhio, Heok Cheow, John R Buscombe, Mark Gurnell, Fiona J Gilbert
Adrenal lesions present a significant diagnostic burden for both radiologists and endocrinologists, especially with the increasing number of adrenal 'incidentalomas' detected on modern computed tomography (CT) or magnetic resonance imaging (MRI). A key objective is the reliable distinction of benign disease from either primary adrenal malignancy (e.g., adrenocortical carcinoma or malignant forms of pheochromocytoma/paraganglioma (PPGL)) or metastases (e.g., bronchial, renal). Benign lesions may still be associated with adverse sequelae through autonomous hormone hypersecretion (e...
November 18, 2016: Diagnostics
https://www.readbyqxmd.com/read/27864300/oral-and-gastrointestinal-symptomatic-metastases-as-initial-presentation-of-lung-cancer
#18
Jenifer Jeba, Selvamani Backianathan, Gunadala Ishitha, Ashish Singh
Metastasis to the tongue, duodenum or pancreas from primary lung cancer is uncommon. Primary lung cancer presenting with symptoms related to metastases at these sites, at initial presentation is extremely rare. We report a 45-year-old man with disseminated lung malignancy who presented with dyspepsia, melena, symptoms due to anaemia and swelling in the tongue. Oral examination revealed a hard submucosal anterior tongue lesion. Biopsies from the tongue lesion and the duodenal ulcer seen on upper gastrointestinal endoscopy were suggestive of metastasis from lung primary...
November 18, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27863731/pulmonary-resection-for-synchronous-m1b-cstage-iv-non-small-cell-lung-cancer%C3%A2-patients
#19
Masafumi Yamaguchi, Makoto Edagawa, Yuzo Suzuki, Ryo Toyozawa, Fumihiko Hirai, Kaname Nosaki, Takashi Seto, Mitsuhiro Takenoyama, Yukito Ichinose
BACKGROUND: We wanted to assess the efficacy of curative intent pulmonary resection for non-small cell lung cancer (NSCLC) patients with synchronous M1b-distant metastases in a single organ or lesion. METHODS: Between 1995 and 2015, 23 consecutive synchronous M1b-cStage IV NSCLC patients who underwent any treatment for metastases and curative intent pulmonary resection were retrospectively analyzed. RESULTS: Sixteen patients were men and 7 were women, with a median age of 56 years (range: 41 to 76 years)...
November 15, 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27857836/refractory-hypoglycemia-in-a-patient-with-functional-adrenal-cortical-carcinoma
#20
Katia Regina Marchetti, Maria Adelaide Albergaria Pereira, Arnaldo Lichtenstein, Edison Ferreira Paiva
: Adrenacarcinomas are rare, and hypoglycemic syndrome resulting from the secretion of insulin-like growth factor II (IGF-II) by these tumors have been described infrequently. This study describes the case of a young woman with severe persistent hypoglycemia and a large adrenal tumor and discusses the physiopathological mechanisms involved in hypoglycemia. The case is described as a 21-year-old woman who presented with 8 months of general symptoms and, in the preceding 3 months, with episodes of mental confusion and visual blurring secondary to hypoglycemia...
2016: Endocrinology, Diabetes & Metabolism Case Reports
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