Reisenauer, Chris J

Importance: Lung cancer and pulmonary metastases remain the leading cause of cancer-related mortality. While surgery is the gold standard, local tissue-ablative therapies are increasingly used in unresectable disease or inoperable patients. Minimally invasive local control presents a safe, repeatable approach to slow disease progression and prolong survival. Observations: Ablative techniques (radiofrequency, microwave, cryoablation, pulsed electric field) utilize extreme heat, cold, or energy to induce cancer cell death. Traditionally, ablation occurred percutaneously with image guidance, but transbronchial approaches are gaining popularity due to a potentially improved complication profile with reduced tumoral seeding. Stereotactic body radiotherapy utilizes non-invasive, precise radiation with a steep dose fall-off to protect peritumoral tissue. Transarterial infusions via transarterial chemoembolization and intraarterial chemoperfusion are emerging approaches that exploit tumor vasculature to provide focal cytotoxicity and ischemia. Intratumoral injectables (chemotherapy, immunotherapy, radiosensitization, oncolytic viruses, adoptive cell therapy, and chimeric antigen receptor T-cell therapy) directly target the tumor microenvironment, potentially increasing efficacy whilst minimizing systemic adverse effects. Conclusions and relevance: In the age of individualized cancer therapy, a multidisciplinary approach with concurrent modalities can achieve local control. This review provides a comprehensive discussion regarding the role and types of local control, safety, efficacy, and survival outcomes in assessing percutaneous, transbronchial, intraarterial, and intratumoral approaches in nonsurgical patients.

Abstract Introduction Selective angioembolization for high flow priapism (Step-by-step guide). Aim Describe the indications and techniques of angioembolization for high flow priapism. Methods We outline patient selection, preparation, technique, outcomes, and potential complications of angioembolization for high flow priapism as supported by the literature. Main outcome measure The effectiveness of embolization for treating high flow priapism. Results Transarterial embolization is minimally invasive, low risk, and effective method from managing high flow priapism. Success rates range from 70% to 87% depending on the type of agent used for embolization. Side effects include erectile dysfunction with a reported rate of 7%-19%. Complications may be mitigated by embolizing as selectively as possible and using temporary embolic agents. Conclusion Embolization is a safe and effective treatment for nonischemic, high flow priapism in patients who have not responded to conservative management.