[Carotid body paraganglioma in a teenager. Case report].

Background: Paragangliomas of the head and neck are neuroendocrine tumors. They have a low incidence (0.6%), are generally benign, have a poorly defined etiology, and multiple factors have been associated with their origin.

Treatment of arterial pseudoaneurysms with percutaneous ultrasound-guided thrombin injection.

Background: The pseudoaneurysms or false aneurysms are one of the most common complications after arterial invasive manipulation. Different methods of treatment have been described, such as surgical repair, ultrasound-guided compression and endovascular procedures. Ultrasound-guided thrombin injection has shown efficacy, safety and low cost, and, in some cases, the procedure is considered the treatment of choice.