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Vein pathology

Hiroki Kudo, Yasuji Seyama, Hiroyuki Kanomata, Masamichi Takahashi, Tachen Chang, Yujiro Matsuoka, Tomoyo Machida, Yohei Furumoto, Masahiro Warabi, Tooru Tanizawa, Ikuo Wada, Tsuyoshi Maeshiro, Sachio Miyamoto, Nobutaka Umekita
A 72-year-old man with general fatigue was referred, and CT and MRI revealed a pancreatic mass with necrosis that was suspected of invading the stomach, splenic artery, celiac artery, liver, and portal vein. Upper gastrointestinal endoscopy showed an extrinsic mass with ulcer formation in the posterior wall of the upper gastric corpus and irregular mucosa in the lower esophagus incidentally. Biopsy showed squamous cell carcinoma from both lesions, leading to the diagnosis of pancreatic adenosquamous carcinoma and early esophageal cancer...
January 2019: Gan to Kagaku Ryoho. Cancer & Chemotherapy
Ryota Kiuchi, Takanori Sakaguchi, Ryo Kitajima, Satoru Furuhashi, Makoto Takeda, Takanori Hiraide, Yoshifumi Morita, Takasuke Ushio, Rei Ishikawa, Satoshi Baba, Hiroya Takeuchi
Hepatic angiomyolipoma (AML) is a rare stromal tumor composed of variable admixtures of thick-walled vessels, smooth muscles and adipose tissue. One of the specific radiological findings of hepatic AML is an early drainage vein noted via enhanced computed tomography (CT). We report a case of hepatic AML showing early drainage veins into both the hepatic and portal vein. The case involved a 46-year-old woman who was referred to our hospital because of a giant hepatic tumor. CT revealed well-enhanced 14 cm and 1 cm tumors in the left and right lobes, respectively...
February 14, 2019: Clinical Journal of Gastroenterology
Robert M Cannon, David N Bolus, Jared A White
Hepatocellular carcinoma (HCC) in proximity to major hepatic vasculature poses a risk for invasion, which would contraindicate liver transplantation, yet, is difficult to treat with thermal ablation. This study was undertaken to evaluate the feasibility of irreversible electroporation (IRE) as a bridge to transplantation for high-risk tumors. All patients with HCC in proximity to major hepatic vasculature treated with laparoscopic IRE as bridge to transplantation were studied. Patient and tumor characteristics, length of stay, and treatment-related complications were recorded...
January 1, 2019: American Surgeon
Yasuhiro Otsuki, Tetsuhiko Go, Sung Soo Chang, Natsumi Matsuura, Hiroyasu Yokomise
The anatomy of pulmonary vessels varies. The right upper pulmonary vein usually drains in front of the pulmonary artery to the left atrium. We herein describe a case of the right upper lobe pulmonary vein draining posterior to the pulmonary artery and absent right upper lobe pulmonary vein in the ventral hilum. A 64-year-old woman suspected to have lung cancer and scheduled for surgery underwent pre-operative three-dimensional computed tomography (3D-CT), which revealed that pulmonary vessels V1 + 3 and V2 drain posteriorly to the pulmonary artery...
February 13, 2019: General Thoracic and Cardiovascular Surgery
Nicos Labropoulos
Risk factors for the development of progression chronic venous disease (CVD) and varicose veins are widespread and include advanced age, excess body weight, sedentary lifestyles and occupations, family history, and pregnancy. Varicose veins and CVD are associated with venous hypertension, venous reflux, dysfunctional venous valves, and vein wall inflammation, though the precise etiologies are unclear. Once venous pathology develops, it can progress through a vicious cycle of inflammation and leukocyte recruitment that leads to further deterioration of vein walls and valves, increased hypertension, and release of additional proinflammatory mediators...
February 13, 2019: Advances in Therapy
Ana João Pissarra, Mariana Malheiro, Carolina Gouveia, Patrícia Vicente, Leonor Matos
Intracranial dural arteriovenous fistula is an abnormal connection between an artery and a vein that has an increased risk of bleeding. This case report presents a 53-year-old man diagnosed with a dural arteriovenous malformation fistula in occipital topography, lacking therapeutic indication because of an extension. He was admitted to an intensive care unit due to a high-risk pulmonary thromboembolism with indication for thrombolysis. Taking into account the hemorrhagic risk associated with arteriovenous malformation, the authors discuss the therapeutic options and the inherent risks...
2019: European Journal of Case Reports in Internal Medicine
Jisheng Sui, Guoqiang Shao, Lulu Zhang, Pengjun Zhang, Ting Bu, Qingqiang Yao, Liming Wang
Objective: To investigate the value of integrin α v β 3 targeted microPET/CT imaging with 68 Ga-NODAGA-RGD 2 as radiotracer for the detection of osteosarcoma and theranostics of osteosarcoma lung metastasis. Methods: The 68 Ga-NODAGA-RGD 2 and 177 Lu-NODAGA-RGD 2 were prepared via one-step method and their stability and integrin α v β 3 binding specificity were investigated in vitro . Forty-one nude mice were injected with human MG63 osteosarcoma to established the animal model bearing subcutaneous osteosarcoma ( n =21), osteosarcoma in tibia ( n =5), and osteosarcoma pulmonary metastatic ( n =15)...
February 1, 2019: Chinese Journal of Reparative and Reconstructive Surgery
Warakorn Jaseanchiun, Hiroyuki Kato, Aoi Hayasaki, Takehiro Fujii, Yusuke Iizawa, Akihiro Tanemura, Yasuhiro Murata, Yoshinori Azumi, Naohisa Kuriyama, Masashi Kishiwada, Shugo Mizuno, Masanobu Usui, Hiroyuki Sakurai, Shuji Isaji
We analyzed the significance of portal vein (PV) patency ratio (minimum diameter/maximum diameter) during preoperative chemoradiotherapy (CRT) on the outcomes of patients with pancreatic-ductal adenocarcinoma (PDAC). METHODS: The 261 PDAC patients had been prospectively registered to our CRT protocol (Gemcitabine or S1+Gemcitabine) from 2005 to 2015. Among them, the subjects were the 84 PDAC- patients with preoperative PV contact who underwent pancreatectomy with PV resection. RESULTS: The 3- and 5-year disease-specific survival (DSS) rates of all 84 patients were 44% and 39%, respectively...
January 25, 2019: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
Chao Zhang, Huan Lin, Rui Fu, Tao Zhang, Qiang Nie, Song Dong, Xue-Ning Yang, Yi-Long Wu, Wen-Zhao Zhong
BACKGROUND: Increasing identification of small pulmonary nodules promotes sublobar resection, but localization and surgical margins of non-palpable pulmonary nodules through sublobar resection are challenging. Our aim was explicate the feasibility of applying indocyanine green (ICG) fluorescence to localized nodules, and to carry out surgical resection. METHODS: A total of 46 patients with subpleural pulmonary nodules <3 cm were enrolled, including 35 for wedge resection and 11 for segmentectomy...
February 7, 2019: Thoracic Cancer
Naveen M Kulkarni, Michael O Griffin, Stacy D OʼConnor, Gary Sudakoff
Portal venous system evaluation is required in many clinical circumstances, as substantial morbidity and mortality can be associated with a spectrum of portal vein abnormalities. Portal venous system pathologies can be congenital or acquired, and the knowledge of their imaging appearances will allow for a confident diagnosis and appropriate treatment options. In addition, a firm understanding of anatomical variants is important for planning surgical procedures and percutaneous interventions of the liver. This article will review various imaging appearances of portal venous systems abnormalities...
February 4, 2019: Ultrasound Quarterly
Zhenyu Zhou, Yu Chen, Wei Ni, Tao Liu
BACKGROUND Endoplasmic reticulum stress (ERS) is part of the cardiovascular pathological processes, including atherosclerosis. Nuclear factor IA (NFIA) influences atherosclerosis development; however, its effects on ERS remain unknown. This study investigated the effect of NFIA on oxidized low-density lipoprotein (ox-LDL)-induced ERS and apoptosis in endothelial cells. MATERIAL AND METHODS Ox-LDL was used to induce lipotoxicity in human umbilical vein endothelial cells (HUVECs) to establish an in vitro oxidative injury model transfected with pcDNA3...
February 5, 2019: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
Naoki Umezaki, Daisuke Hashimoto, Yo-Ichi Yamashita, Shigeki Nakagawa, Yousuke Nakao, Rumi Itoyama, Toshihiko Yusa, Takanobu Yamao, Hirohisa Okabe, Katsunori Imai, Hiromitsu Hayashi, Akira Chikamoto, Hideo Baba
Neuroendocrine tumors usually develop in the gastrointestinal tract, pancreas, and lung. Therefore, a neuroendocrine tumor of the bile duct is quite rare. We present a 59-year-old-male patient whose preoperative diagnosis was hilar cholangiocarcinoma. One month after embolization of the left branch and anterior branch of the portal vein, he underwent left hepatic trisegmentectomy and extrahepatic bile duct resection. Pathological examination revealed the neuroendocrine tumor in the submucosal layer of the hilar bile duct...
February 2019: Anticancer Research
Shengjie Guo, Zefu Liu, Xiangdong Li, Kai Yao, Pei Dong, Dong Chen, Chunxian Liao, Zhaolin Long, Yongqiang Wang, Fangjian Zhou, Xiaobo He, Zhuowei Liu
BACKGROUND: The 7th Tumor-Node-Metastasis system for clear cell renal cell carcinoma (ccRCC) classified renal sinus fat invasion (SFI), perirenal fat invasion (PFI), or renal vein invasion (RVI) as stage pT3a. However, their close interactions and prognostic value of them remain controversial. The goal of this study is to further analyze their prognostic values for patients with T3aN0M0 ccRCC. METHODS: The data of 1,869 pT3aN0M0 ccRCC patients receiving the radical nephrectomy surgery were collected from the National Cancer Institute Surveillance, Epidemiology, and End Results database of United states from 2010 to 2014...
January 28, 2019: Urologic Oncology
Olga A Gromova, I Yu Torshin, Zh D Kobalava, M A Sorokina, S V Villevalde, S A Galochkin, I V Gogoleva, O N Gracheva, T R Grishina, A N Gromov, E Yu Egorova, A G Kalacheva, S I Malyavskaya, I A Meraï, V A Semenov
The states characterized by pronounced hypercoagulable components (deep vein thrombosis, cardio- and cerebro-vascular pathologies) are caused by multiple pathophysiological factors, including insufficient supply of magnesium (Mg) and other micronutrients. AIM: to present results of analysis of the Institute of Microelements Data Base (IMDB) performed from point of view of interrelationships of Mg deficit and hypercoagulable states in adults treated in medico-preventive facilities of Central, Northwestern, Northern, and Siberian federal districts of Russia...
November 18, 2018: Kardiologiia
Tian Lin, Jiang Yu, Yanfeng Hu, Hao Liu, Yiming Lu, Mingli Zhao, Hao Chen, Xinhua Chen, Guoxin Li
OBJECTIVE: To evaluate the short-term efficacy and cosmetic effect of dual-port laparoscopic distal gastrectomy (DPLDG) for gastric cancer. METHODS: Thirty consecutive patients underwent DPLDG at the Department of General Surgery, Nanfang Hospital from November 2016 to August 2018. INCLUSION CRITERIA: (1) age of 18 to 75 years; (2) primary gastric adenocarcinoma confirmed pathologically by endoscopic biopsy; (3) tumor located at middle-low stomach and planned for distal gastrectomy; (4) cT1b-2N0-1M0 at preoperative staging; (5) tumor diameter ≤3 cm; (6) US Eastern Cancer Cooperative Group(ECOG) score 0 to 1 points; (7) American Society of Anesthesiologists grade I to II; (8) perioperative management based on enhanced recovery after surgery (ERAS) principle...
January 25, 2019: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
I N Tikhonov, M S Zharkova, M V Maevskaya, V N Zozulya, T P Nekrasova, M G Arslanyan, N P Musina, M A Tatarkina, R T Rzaev, K B Puzakov, V T Ivashkin, M S Malikova
Ascites and hydrothorax may be the symptoms of congestive heart failure and do not always reflects presense of the decompensated liver cirrhosis. Clinical examination of patient with chronic hepatitis C which cyanosis of the lips, cervival veins pulsation, a triple heart rhythm indicated on pathology of the heart (constrictive pericarditis), which was confirmed by instrumental methods. Congestive heart failure has lead to the congestive liver in a young female patient. Regression of all the symptoms of heart failure occurred after surgical treatment (pericardectomy)...
August 27, 2018: Terapevticheskiĭ Arkhiv
Shinya Sonobe, Masahiro Yoshida, Kuniyasu Niizuma, Teiji Tominaga
Pulmonary vein thrombosis is a rare disease but can cause severe complications. However, pathophysiology of this entity is not fully understood. We report a case of mechanical thrombectomy for acute ischemic stroke arising from thrombus of the left superior pulmonary vein stump after left pneumonectomy. A 67-year-old male without atrial fibrillation presented with middle cerebral artery occlusion 11 days after left pneumonectomy. Contrast-enhanced computed tomography showed thrombus in the left superior pulmonary vein stump...
January 2019: NMC Case Report Journal
Umesha Boregowda, Chandraprakash Umapathy, Nasir Halim, Madhav Desai, Arpitha Nanjappa, Subramanyeswara Arekapudi, Thimmaiah Theethira, Helen Wong, Marina Roytman, Shreyas Saligram
Cirrhosis of liver is a major problem in the western world. Portal hypertension is a complication of cirrhosis and can lead to a myriad of pathology of which include the development of porto-systemic collaterals. Gastrointestinal varices are dilated submucosal veins, which often develop at sites near the formation of gastroesophageal collateral circulation. The incidence of varices is on the rise due to alcohol and obesity. The most significant complication of portal hypertension is life-threatening bleeding from gastrointestinal varices, which is associated with substantial morbidity and mortality...
January 21, 2019: World Journal of Gastrointestinal Pharmacology and Therapeutics
Biju Thomas, Ballamajalu Rajendra Prasad, Nallilu Suchetha Kumari, Vishakh Radhakrishna, Amitha Ramesh
Background: Micronutrients play an important part in metabolism and maintenance of tissue function the maintenance of the integrity and vitality of the periodontal tissues depends on the availability of adequate nutrients, and it is possible that deficiencies can produce pathological alterations in the periodontal tissues. However, the association between nutritional factors and periodontal health is not fully understood. The essential micronutrients for maintaining health include zinc, copper, selenium, and iron...
January 2019: Journal of Indian Society of Periodontology
Sakurao Hiraki, Takahiro Watanabe, Toshio Harada, Kousuke Tada, Shintaro Fukuda
We report a case of advanced gastric cancer accompanied with skip lymph node metastasis in the retro portal region only. An 81-year-old man was referred to our hospital because of epigastric pain. CT examination of the abdomen revealed a gastric tumor and a tumor of 3.5 cm in diameter behind the portal vein and pancreatic head, which had high concentrations of FDG(SUVmax=8.5)on PET-CT examination. Thus, we diagnosed lymph node metastasis of the gastric cancer. We performed distal gastrectomyand en bloc resection of regional lymph nodes(D2 plus retro portal and retro pancreatic head nodes)...
December 2018: Gan to Kagaku Ryoho. Cancer & Chemotherapy
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