The noninvasive ablation of pancreatic cancer with high intensity focused ultrasound(HIFU) energy is received increasingly widespread interest. With rapidly temperature rise to cytotoxic levels within the focal volume...The noninvasive ablation of pancreatic cancer with high intensity focused ultrasound(HIFU) energy is received increasingly widespread interest. With rapidly temperature rise to cytotoxic levels within the focal volume of ultrasound beams, HIFU can selectively ablate a targeted lesion of the pancreas without any damage to surrounding or overlying tissues. Preliminary studies suggest that this approach is technical safe and feasible, and can be used alone or in combination with systemic chemotherapy for the treatment of patients with locally advanced pancreatic cancer. It can effectively alleviate cancer-related abdominal pain, and may confer an additional survival benefit with few significant complications. This review provides a brief overview of HIFU, describes current clinical applications, summarizes characteristics of continuous and pulsed HIFU, and discusses future applications and challenges in the treatment of pancreatic cancer.展开更多
Dystonia characterizes a group of neurological movement disorders characterized by abnormal muscle movements,often with repetitive or sustained contraction resulting in abnormal posturing.Different types of dystonia p...Dystonia characterizes a group of neurological movement disorders characterized by abnormal muscle movements,often with repetitive or sustained contraction resulting in abnormal posturing.Different types of dystonia present based on the affected body regions and play a prominent role in determining the potential efficacy of a given intervention.For most patients afflicted with these disorders,an exact cause is rarely identified,so treatment mainly focuses on symptomatic alleviation.Pharmacological agents,such as oral anticholinergic administration and botulinum toxin injection,play a major role in the initial treatment of patients.In more severe and/or refractory cases,focal areas for neurosurgical intervention are identified and targeted to improve quality of life.Deep brain stimulation(DBS)targets these anatomical locations to minimize dystonia symptoms.Surgical ablation procedures and peripheral denervation surgeries also offer potential treatment to patients who do not respond to DBS.These management options grant providers and patients the ability to weigh the benefits and risks for each individual patient profile.This review article explores these pharmacological and neurosurgical management modalities for dystonia,providing a comprehensive assessment of each of their benefits and shortcomings.展开更多
文摘The noninvasive ablation of pancreatic cancer with high intensity focused ultrasound(HIFU) energy is received increasingly widespread interest. With rapidly temperature rise to cytotoxic levels within the focal volume of ultrasound beams, HIFU can selectively ablate a targeted lesion of the pancreas without any damage to surrounding or overlying tissues. Preliminary studies suggest that this approach is technical safe and feasible, and can be used alone or in combination with systemic chemotherapy for the treatment of patients with locally advanced pancreatic cancer. It can effectively alleviate cancer-related abdominal pain, and may confer an additional survival benefit with few significant complications. This review provides a brief overview of HIFU, describes current clinical applications, summarizes characteristics of continuous and pulsed HIFU, and discusses future applications and challenges in the treatment of pancreatic cancer.
文摘Dystonia characterizes a group of neurological movement disorders characterized by abnormal muscle movements,often with repetitive or sustained contraction resulting in abnormal posturing.Different types of dystonia present based on the affected body regions and play a prominent role in determining the potential efficacy of a given intervention.For most patients afflicted with these disorders,an exact cause is rarely identified,so treatment mainly focuses on symptomatic alleviation.Pharmacological agents,such as oral anticholinergic administration and botulinum toxin injection,play a major role in the initial treatment of patients.In more severe and/or refractory cases,focal areas for neurosurgical intervention are identified and targeted to improve quality of life.Deep brain stimulation(DBS)targets these anatomical locations to minimize dystonia symptoms.Surgical ablation procedures and peripheral denervation surgeries also offer potential treatment to patients who do not respond to DBS.These management options grant providers and patients the ability to weigh the benefits and risks for each individual patient profile.This review article explores these pharmacological and neurosurgical management modalities for dystonia,providing a comprehensive assessment of each of their benefits and shortcomings.
