Purpose: Different techniques have been described for stenting of venous obstructions. We report our experience with two different confluence stenting techniques to treat chronic bi-iliocaval obstructions.
Bone metastases are a major cause of morbidity in patients with cancer and represent a common occurrence in these patients. The vertebral column is the most common site for bone metastases, with an incidence of 30%–70% in patients with metastatic cancer. The current standard of care for management of painful bone metastasis is external-beam radiation. Commonly, external-beam radiation achieves at least partial relief of pain but, often, there is delay in the relief of symptoms, and the relief is usually transient. Additionally, painful osseous metastatic disease is often refractory to chemotherapy or hormonal therapy. Surgical intervention is of limited value in patients with spinal metastatic disease, owing to its morbidity and the often short life span of the patients. Surgical indications include a fracture that results in neurologic compromise or high risk of developing pathologic fracture, which would lead to neurologic compromise. Most of these cases are ultimately managed with analgesics, including nonsteroidal anti-inflammatory drugs and opioids titrated to achieve pain relief while trying to minimize side effects of the drugs.
Arterial endofibrosis affects highly-trained endurance athletes, mostly cyclists or long-distance runners. It usually occurs in the first centimeters of the external iliac artery (EIA); however, the common iliac artery (CIA) and/or the deep femoral artery can also be affected. It is characterized by arterial stenoses from focal intimal thickening made of loose connective tissue, and it causes claudication during maximal effort and reduced athletic performance.
Purpose: To evaluate long-term clinical outcomes of infrapopliteal drug-eluting stent (DES) placement in insulin-dependent and non–insulin-dependent diabetic patients with critical limb ischemia (CLI).
Purpose: To identify fundamental causes underlying recurrent variceal hemorrhage (VH) after transjugular intrahepatic portosystemic shunt (TIPS) to ascertain opportunities for improvement of TIPS-based management of VH and prevention of rebleeding.
Purpose: To evaluate whether irreversible electroporation (IRE) can be used as an ablation technique for small renal tumors (T1a cancers or small benign tumors) and to describe features after ablation on computed tomography (CT) or magnetic resonance (MR) imaging.
OBJECTIVE. The objective of this article is to familiarize the reader with the most commonly used embolic agents in interventional radiology and discuss an approach for selecting among the different embolic agents. This article reviews their properties and uses a case-based approach to explain how to select one.
OBJECTIVE. The purposes of this article are to review the indications for and technical aspects of various percutaneous strategies available for the treatment of intrathoracic metastases involving the parenchyma, pleura, and chest wall and to describe the relative merits of one of these strategies over another to determine the best approach to use.
OBJECTIVE. The purpose of this article is to present our experience in treating patients with hepatic metastases from a neuroendocrine primary malignancy.
OBJECTIVE. The topic of imaging-guided breast interventions spans more than 30 years. Radiologists pioneered procedures such as needle or wire localization and ultrasoundand stereotactic-guided biopsy. Using recently developed devices and technology, the opportunity exists to treat lesions of the breast with minimally invasive imaging-guided techniques.
OBJECTIVE. The purposes of this article are to provide a brief overview of structured radiology reporting and to emphasize the anticipated benefits from a new generation of standardized interventional radiology procedure reports.
Spine fractures account for a large portion of musculoskeletal injuries worldwide. A classification of spine fractures is necessary in order to develop a common language for treatment indications and outcomes. Several classification systems have been developed based on injury anatomy or mechanisms of action, but they have demonstrated poor reliability, have yielded little prognostic information, and have not been widely used.
Small-bowel carcinoid tumors are the most common form (42%) of gastrointestinal carcinoids, which by themselves comprise 70% of neuroendocrine tumors. Although primary small bowel neoplasms are overall rare (3%-6% of all gastrointestinal neoplasms), carcinoids still represent the second most common (20%-30%) primary small-bowel malignancy after small bowel adenocarcinoma. Their imaging evaluation is often challenging. State-of-the-art high-resolution multiphasic computed tomography together with advanced postprocessing methods provides an excellent tool for their depiction. The manifold interactive parameter choices however require knowledge of when to use which technique.
Hepatocellular carcinoma (HCC) is the fifth most common cancer in the world, and is the third leading cause of cancer-related death. Liver transplantation (LT) has become a curative treatment for patients with HCC. However, recurrence and metastasis after LT are the main factors reducing long-term survival in patients, and the lung is the most common site of metastasis after LT for HCC, although metastasis to liver, para-aortic lymph nodes and renal periphery are observed. Thus, the treatment of pulmonary metastases after LT for HCC has become a hot research topic, the successful treatment of pulmonary metastases can significantly prolong the survival of LT patients. Although single conventional treatment (chemotherapy, surgery and external beam radiation therapy), immunosuppression, image-guided minimally invasive therapy (radiofrequency ablation, microwave ablation, cryoablation, and brachytherapy) and molecular targeted drugs have had a significant effect, patients do not have durable remission and the long-term survival rate is disappointing.
AIM: To assess the efficiency and safety of radiofrequency-assisted hepatectomy in patients with hepatocellular carcinoma (HCC) and cirrhosis.
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