BACKGROUND AND PURPOSE Transarterial detachable balloon embolization of direct carotid cavernous fistulas (DCCFs) has become an optimal treatment. In a few cases, the parent artery has to be sacrificed to achieve morphologic cure. We present our experience with transarterial balloon-assisted n-butyl-2-cyanoacrylate (n-BCA) embolization of DCCFs in which there was failure to achieve angiographic...

The initial response to treatment and subsequent development of resistance to carboplatin are very important challenges. Use of nano drug delivery is a new method to replace standard chemotherapy. In this research, both non-PEGylated and PEGylated nanoparticles (NPs) were prepared by mini-emulsion polymerization of poly (butyl cyanoacrylate) (PBCA) NPs. Characteristics such as size, polydispers...

......................................... Received: 11-02-16 Accepted: 25-07-16 Abstract The main causes of upper digestive tract bleeding are ulcers in the stomach and/or duodenum (peptic ulcer disease). With increasing frequency, patients are being seen who have bleeding gastric varices. This may be due to the increasing number of patients who have portal hypertension caused in turn by liver ...

The stable latex of poly(4-vinylpyridine-co-n-butyl acrylate) (P4VP/nBA) with a solid content as high as 10 wt % was prepared by a modified soap-free emulsion polymerization. A mixture of water and organic solvents was employed as the continuous phase for increasing the solid content of the latex. Several organic solvents were investigated and, among them, ethyl acetate (EA) and diethyl ether (...

OBJECT Spinal dural arteriovenous fistulas (DAVFs) are the most common spinal vascular malformations and can be a significant cause of myelopathy, yet remain inefficiently diagnosed lesions. Over the last several decades, the treatment of spinal DAVFs has improved tremendously due to improvements in neuroimaging, microsurgical, and endovascular techniques. The aim of this paper was to review th...

cause she had been passing tarry stools for 2 days. Emergency endoscopy re− vealed an actively spurting Dieulafoy le− sion in the gastric fundus (l" Fig. 1). Be− cause of the technical difficulty of apply− ing hemoclips in this case we performed rubber−band ligation, which resulted in immediate hemostasis (l" Fig. 2). Twelve hours later, fresh blood reappeared in the nasogastric aspirate. A rep...

A 58-year-old cirrhotic man presented with painless severe hematochezia. Physical examination revealed pallor, pitting pedal edema, and palpable hepatosplenomegaly. Sigmoidoscopy after resuscitation revealed a tortuous, bluish structure protruding into the lumen, suggestive of a large sigmoid colon varix with stigmata of recent hemorrhage and white nipple sign (Figure 1). Undiluted N-butyl-2-cy...

Cancer is now an important target for gene therapy. Most animal experiments were done with the use of transplanted tumors produced by implantation of cell lines, an approach that ignores histologic and anatomic specificity of organs. Chemically induced orthotopic models are much superior to the subcutaneous transplanted models with respect to the evaluation of the efficiency of gene transfer an...

Objective: To report our experience with the endovascular management of cerebral arteriovenous malformations and dural arteriovenous fistulas. Methods: Fifty patients (66% males and 34% females) with cerebral arteriovenous malformations and dural arteriovenous fistulas were treated in our department between September 2007 and April of 2010 using endovascular therapy. A total of 84 endovascular ...

Anastomotic varices are an uncommon cause of variceal bleeding. After choledochojejunostomy, the anastomosed afferent jejunal loop may have a propensity to form varices, with hepatopetal flow [1,2]. Endoscopic sclerotherapy has the potential to cause intrahepatic obstruction of the portal vein [3–5]. This report describes endoscopic sclerotherapy with a high concentration of n-butyl-2-cyanoacry...